DAC advanced features

FreeRTOSConfig.h

@@ -110,7 +110,7 @@ extern uint32_t SystemCoreClock;
 #define configCHECK_FOR_STACK_OVERFLOW           2
 #define configENABLE_BACKWARD_COMPATIBILITY      0
 
-#define configUSE_TIMERS                         1
+#define configUSE_TIMERS                         0
 #define configTIMER_TASK_PRIORITY                TSK_TIMERS_PRIO // above normal
 #define configTIMER_TASK_STACK_DEPTH             TSK_STACK_TIMERS //128
 #define configTIMER_QUEUE_LENGTH                 4
@@ -151,7 +151,7 @@ to exclude the API function. */
     #define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 5
 
     #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
-#elif defined(GEX_PLAT_F072_DISCOVERY)
+#elif defined(STM32F072xB)
     // This is for F072
     #define configLIBRARY_LOWEST_INTERRUPT_PRIORITY   3
     #define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 1

TinyFrame/TF_Integration.c

@@ -8,6 +8,7 @@
 #include "task_main.h"
 
 #include "USB/usbd_cdc_if.h"
+#include "USB/usb_device.h"
 #include "TinyFrame.h"
 
 extern osSemaphoreId semVcomTxReadyHandle;
@@ -15,6 +16,30 @@ extern osMutexId mutTinyFrameTxHandle;
 
 void TF_WriteImpl(TinyFrame *tf, const uint8_t *buff, uint32_t len)
 {
+#if 1
+    const uint32_t real_size = len;
+
+    // Padding to a multiple of 64 bytes - this is supposed to maximize the bulk transfer speed
+    if (len&0x3F) {
+        uint32_t pad = (64 - (len&0x3F));
+        memset((void *) (buff + len), 0, pad);
+        len += pad; // padding to a multiple of 64 (size of the endpoint)
+    }
+
+    // We bypass the USBD driver library's overhead by using the HAL function directly
+    assert_param(HAL_OK == HAL_PCD_EP_Transmit(hUsbDeviceFS.pData, CDC_IN_EP, (uint8_t *) buff, len));
+
+    // The buffer is the TF transmit buffer, we can't leave it to work asynchronously because
+    // the next call could modify it before it's been transmitted (in the case of a chunked / multi-part frame)
+
+    // the assumption here is that all until the last chunk use the full buffer capacity
+    if (real_size == TF_SENDBUF_LEN) {
+        if (pdTRUE != xSemaphoreTake(semVcomTxReadyHandle, 100)) {
+            TF_Error("Tx stalled in WriteImpl");
+            return;
+        }
+    }
+#else
     (void) tf;
 #define CHUNK 64 // same as TF_SENDBUF_LEN, so we should always have only one run of the loop
     int32_t total = (int32_t) len;
@@ -26,21 +51,36 @@ void TF_WriteImpl(TinyFrame *tf, const uint8_t *buff, uint32_t len)
         }
 
         const uint16_t chunksize = (uint16_t) MIN(total, CHUNK);
-        assert_param(USBD_OK == CDC_Transmit_FS((uint8_t *) buff, chunksize));
+
+        // this is an attempt to speed it up a little by removing a couple levels of indirection
+        assert_param(HAL_OK == HAL_PCD_EP_Transmit(hUsbDeviceFS.pData, CDC_IN_EP, (uint8_t *) buff, chunksize));
+
+//        USBD_LL_Transmit(&hUsbDeviceFS, CDC_IN_EP, (uint8_t *) buff, chunksize);
+//        assert_param(USBD_OK == CDC_Transmit_FS((uint8_t *) buff, chunksize));
 
         buff += chunksize;
         total -= chunksize;
     }
+#endif
 }
 
 /** Claim the TX interface before composing and sending a frame */
 bool TF_ClaimTx(TinyFrame *tf)
 {
     (void) tf;
-//    assert_param(osThreadGetId() != tskMainHandle);
+//    assert_param(!inIRQ()); // useless delay
-    assert_param(!inIRQ());
+    assert_param(pdTRUE == xSemaphoreTake(mutTinyFrameTxHandle, 5000)); // trips the wd
+
+    // The last chunk from some previous frame may still be being transmitted,
+    // wait for it to finish (the semaphore is given in the CDC tx done handler)
+    if (pdTRUE != xSemaphoreTake(semVcomTxReadyHandle, 100)) {
+        TF_Error("Tx stalled in Claim");
+
+        // release the guarding mutex again
+        assert_param(pdTRUE == xSemaphoreGive(mutTinyFrameTxHandle));
+        return false;
+    }
 
-    assert_param(osOK == osMutexWait(mutTinyFrameTxHandle, 5000));
     return true;
 }
 
@@ -48,5 +88,7 @@ bool TF_ClaimTx(TinyFrame *tf)
 void TF_ReleaseTx(TinyFrame *tf)
 {
     (void) tf;
-    assert_param(osOK == osMutexRelease(mutTinyFrameTxHandle));
+    assert_param(pdTRUE == xSemaphoreGive(mutTinyFrameTxHandle));
+
+    // the last payload is sent asynchronously
 }

TinyFrame/TinyFrame.c

@@ -870,7 +870,11 @@ static inline uint32_t _TF_FN TF_ComposeTail(uint8_t *outbuff, TF_CKSUM *cksum)
  */
 static bool _TF_FN TF_SendFrame_Begin(TinyFrame *tf, TF_Msg *msg, TF_Listener listener, TF_TICKS timeout)
 {
-    TF_TRY(TF_ClaimTx(tf));
+    bool suc = TF_ClaimTx(tf);
+    if (!suc) {
+        TF_Error("TF lock not free");
+        return false;
+    }
 
     tf->tx_pos = (uint32_t) TF_ComposeHead(tf, tf->sendbuf, msg); // frame ID is incremented here if it's not a response
     tf->tx_len = msg->len;
@@ -1031,10 +1035,10 @@ bool _TF_FN TF_Query_Multipart(TinyFrame *tf, TF_Msg *msg, TF_Listener listener,
     return TF_Query(tf, msg, listener, timeout);
 }
 
-void _TF_FN TF_Respond_Multipart(TinyFrame *tf, TF_Msg *msg)
+bool _TF_FN TF_Respond_Multipart(TinyFrame *tf, TF_Msg *msg)
 {
     msg->data = NULL;
-    TF_Respond(tf, msg);
+    return TF_Respond(tf, msg);
 }
 
 void _TF_FN TF_Multipart_Payload(TinyFrame *tf, const uint8_t *buff, uint32_t length)

TinyFrame/TinyFrame.h

@@ -369,7 +369,7 @@ bool TF_Query_Multipart(TinyFrame *tf, TF_Msg *msg, TF_Listener listener, TF_TIC
  * TF_Respond() with multipart payload.
  * msg.data is ignored and set to NULL
  */
-void TF_Respond_Multipart(TinyFrame *tf, TF_Msg *msg);
+bool TF_Respond_Multipart(TinyFrame *tf, TF_Msg *msg);
 
 /**
  * Send the payload for a started multipart frame. This can be called multiple times

USB/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c.rej

@@ -1,328 +0,0 @@
---- Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c	(date 1511202099000)
-+++ Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c	(revision )
-@@ -59,6 +59,7 @@
-   */ 
- 
- /* Includes ------------------------------------------------------------------*/
-+#include "usbd_msc.h" // for rejecting bad control messages
- #include "usbd_cdc.h"
- #include "usbd_desc.h"
- #include "usbd_ctlreq.h"
-@@ -103,34 +104,7 @@
-   * @{
-   */
- 
--
--static uint8_t  USBD_CDC_Init (USBD_HandleTypeDef *pdev, 
--                               uint8_t cfgidx);
--
--static uint8_t  USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, 
--                                 uint8_t cfgidx);
--
--static uint8_t  USBD_CDC_Setup (USBD_HandleTypeDef *pdev, 
--                                USBD_SetupReqTypedef *req);
--
--static uint8_t  USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, 
--                                 uint8_t epnum);
--
--static uint8_t  USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, 
--                                 uint8_t epnum);
--
--static uint8_t  USBD_CDC_EP0_RxReady (USBD_HandleTypeDef *pdev);
--
--static uint8_t  *USBD_CDC_GetFSCfgDesc (uint16_t *length);
--
--static uint8_t  *USBD_CDC_GetHSCfgDesc (uint16_t *length);
--
--static uint8_t  *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length);
--
--static uint8_t  *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length);
--
--uint8_t  *USBD_CDC_GetDeviceQualifierDescriptor (uint16_t *length);
--
-+#ifndef CDC_COMPOSITE
- /* USB Standard Device Descriptor */
- __ALIGN_BEGIN static uint8_t USBD_CDC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END =
- {
-@@ -156,7 +130,7 @@
- 
- 
- /* CDC interface class callbacks structure */
--USBD_ClassTypeDef  USBD_CDC = 
-+USBD_ClassTypeDef  USBD_CDC =
- {
-   USBD_CDC_Init,
-   USBD_CDC_DeInit,
-@@ -172,6 +146,7 @@
-   USBD_CDC_GetFSCfgDesc,    
-   USBD_CDC_GetOtherSpeedCfgDesc, 
-   USBD_CDC_GetDeviceQualifierDescriptor,
-+  NULL
- };
- 
- /* USB CDC device Configuration Descriptor */
-@@ -456,6 +431,7 @@
-   0x00,
-   0x00                              /* bInterval */
- };
-+#endif
- 
- /**
-   * @}
-@@ -463,7 +439,7 @@
- 
- /** @defgroup USBD_CDC_Private_Functions
-   * @{
--  */ 
-+  */
- 
- /**
-   * @brief  USBD_CDC_Init
-@@ -472,7 +448,7 @@
-   * @param  cfgidx: Configuration index
-   * @retval status
-   */
--static uint8_t  USBD_CDC_Init (USBD_HandleTypeDef *pdev, 
-+uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev,
-                                uint8_t cfgidx)
- {
-   uint8_t ret = 0;
-@@ -514,18 +490,18 @@
-                  CDC_CMD_PACKET_SIZE);
-   
-     
--  pdev->pClassData = USBD_malloc(sizeof (USBD_CDC_HandleTypeDef));
-+  pdev->pClassData2 = USBD_malloc(sizeof (USBD_CDC_HandleTypeDef));
-   
--  if(pdev->pClassData == NULL)
-+  if(pdev->pClassData2 == NULL)
-   {
-     ret = 1; 
-   }
-   else
-   {
--    hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+    hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-     
-     /* Init  physical Interface components */
--    ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Init();
-+    ((USBD_CDC_ItfTypeDef *)pdev->pUserData2)->Init();
-     
-     /* Init Xfer states */
-     hcdc->TxState =0;
-@@ -560,7 +536,7 @@
-   * @param  cfgidx: Configuration index
-   * @retval status
-   */
--static uint8_t  USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, 
-+uint8_t  USBD_CDC_DeInit (USBD_HandleTypeDef *pdev,
-                                  uint8_t cfgidx)
- {
-   uint8_t ret = 0;
-@@ -579,11 +555,11 @@
-   
-   
-   /* DeInit  physical Interface components */
--  if(pdev->pClassData != NULL)
-+  if(pdev->pClassData2 != NULL)
-   {
--    ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->DeInit();
--    USBD_free(pdev->pClassData);
--    pdev->pClassData = NULL;
-+    ((USBD_CDC_ItfTypeDef *)pdev->pUserData2)->DeInit();
-+    USBD_free(pdev->pClassData2);
-+    pdev->pClassData2 = NULL;
-   }
-   
-   return ret;
-@@ -596,20 +572,23 @@
-   * @param  req: usb requests
-   * @retval status
-   */
--static uint8_t  USBD_CDC_Setup (USBD_HandleTypeDef *pdev, 
-+uint8_t  USBD_CDC_Setup (USBD_HandleTypeDef *pdev,
-                                 USBD_SetupReqTypedef *req)
- {
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   static uint8_t ifalt = 0;
-     
-   switch (req->bmRequest & USB_REQ_TYPE_MASK)
-   {
-   case USB_REQ_TYPE_CLASS :
-+    if (req->bRequest == BOT_GET_MAX_LUN) break; // Not ours!
-+    if (req->bRequest == BOT_RESET) break; // Not ours!
-+
-     if (req->wLength)
-     {
-       if (req->bmRequest & 0x80)
-       {
--        ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest,
-+        ((USBD_CDC_ItfTypeDef *)pdev->pUserData2)->Control(req->bRequest,
-                                                           (uint8_t *)hcdc->data,
-                                                           req->wLength);
-           USBD_CtlSendData (pdev, 
-@@ -629,7 +608,7 @@
-     }
-     else
-     {
--      ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest,
-+      ((USBD_CDC_ItfTypeDef *)pdev->pUserData2)->Control(req->bRequest,
-                                                         (uint8_t*)req,
-                                                         0);
-     }
-@@ -661,14 +640,15 @@
-   * @param  epnum: endpoint number
-   * @retval status
-   */
--static uint8_t  USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum)
-+uint8_t  USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum)
- {
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
--  if(pdev->pClassData != NULL)
-+  if(pdev->pClassData2 != NULL)
-   {
-     
-     hcdc->TxState = 0;
-+    USBD_CDC_TransmitDone(pdev);
- 
-     return USBD_OK;
-   }
-@@ -685,18 +665,18 @@
-   * @param  epnum: endpoint number
-   * @retval status
-   */
--static uint8_t  USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum)
-+uint8_t  USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum)
- {      
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
-   /* Get the received data length */
-   hcdc->RxLength = USBD_LL_GetRxDataSize (pdev, epnum);
-   
-   /* USB data will be immediately processed, this allow next USB traffic being 
-   NAKed till the end of the application Xfer */
--  if(pdev->pClassData != NULL)
-+  if(pdev->pClassData2 != NULL)
-   {
--    ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Receive(hcdc->RxBuffer, &hcdc->RxLength);
-+    ((USBD_CDC_ItfTypeDef *)pdev->pUserData2)->Receive(hcdc->RxBuffer, &hcdc->RxLength);
- 
-     return USBD_OK;
-   }
-@@ -715,13 +695,13 @@
-   * @param  epnum: endpoint number
-   * @retval status
-   */
--static uint8_t  USBD_CDC_EP0_RxReady (USBD_HandleTypeDef *pdev)
-+uint8_t  USBD_CDC_EP0_RxReady (USBD_HandleTypeDef *pdev)
- { 
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
--  if((pdev->pUserData != NULL) && (hcdc->CmdOpCode != 0xFF))
-+  if((pdev->pUserData2 != NULL) && (hcdc->CmdOpCode != 0xFF))
-   {
--    ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(hcdc->CmdOpCode,
-+    ((USBD_CDC_ItfTypeDef *)pdev->pUserData2)->Control(hcdc->CmdOpCode,
-                                                       (uint8_t *)hcdc->data,
-                                                       hcdc->CmdLength);
-       hcdc->CmdOpCode = 0xFF; 
-@@ -730,6 +710,7 @@
-   return USBD_OK;
- }
- 
-+#ifndef CDC_COMPOSITE
- /**
-   * @brief  USBD_CDC_GetFSCfgDesc 
-   *         Return configuration descriptor
-@@ -737,7 +718,7 @@
-   * @param  length : pointer data length
-   * @retval pointer to descriptor buffer
-   */
--static uint8_t  *USBD_CDC_GetFSCfgDesc (uint16_t *length)
-+uint8_t  *USBD_CDC_GetFSCfgDesc (uint16_t *length)
- {
-   *length = sizeof (USBD_CDC_CfgFSDesc);
-   return USBD_CDC_CfgFSDesc;
-@@ -750,7 +731,7 @@
-   * @param  length : pointer data length
-   * @retval pointer to descriptor buffer
-   */
--static uint8_t  *USBD_CDC_GetHSCfgDesc (uint16_t *length)
-+uint8_t  *USBD_CDC_GetHSCfgDesc (uint16_t *length)
- {
-   *length = sizeof (USBD_CDC_CfgHSDesc);
-   return USBD_CDC_CfgHSDesc;
-@@ -763,7 +744,7 @@
-   * @param  length : pointer data length
-   * @retval pointer to descriptor buffer
-   */
--static uint8_t  *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length)
-+uint8_t  *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length)
- {
-   *length = sizeof (USBD_CDC_OtherSpeedCfgDesc);
-   return USBD_CDC_OtherSpeedCfgDesc;
-@@ -780,6 +761,7 @@
-   *length = sizeof (USBD_CDC_DeviceQualifierDesc);
-   return USBD_CDC_DeviceQualifierDesc;
- }
-+#endif
- 
- /**
- * @brief  USBD_CDC_RegisterInterface
-@@ -794,7 +776,7 @@
-   
-   if(fops != NULL)
-   {
--    pdev->pUserData= fops;
-+    pdev->pUserData2= fops;
-     ret = USBD_OK;    
-   }
-   
-@@ -811,7 +793,7 @@
-                                 uint8_t  *pbuff,
-                                 uint16_t length)
- {
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
-   hcdc->TxBuffer = pbuff;
-   hcdc->TxLength = length;  
-@@ -829,7 +811,7 @@
- uint8_t  USBD_CDC_SetRxBuffer  (USBD_HandleTypeDef   *pdev,
-                                    uint8_t  *pbuff)
- {
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
-   hcdc->RxBuffer = pbuff;
-   
-@@ -845,9 +827,9 @@
-   */
- uint8_t  USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev)
- {      
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
--  if(pdev->pClassData != NULL)
-+  if(pdev->pClassData2 != NULL)
-   {
-     if(hcdc->TxState == 0)
-     {
-@@ -882,10 +864,10 @@
-   */
- uint8_t  USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev)
- {      
--  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData;
-+  USBD_CDC_HandleTypeDef   *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData2;
-   
-   /* Suspend or Resume USB Out process */
--  if(pdev->pClassData != NULL)
-+  if(pdev->pClassData2 != NULL)
-   {
-     if(pdev->dev_speed == USBD_SPEED_HIGH  ) 
-     {      

USB/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h.rej

@@ -1,60 +0,0 @@
---- Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h	(date 1511202099000)
-+++ Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h	(revision )
-@@ -58,9 +58,10 @@
- #define BOT_RESET                    0xFF
- #define USB_MSC_CONFIG_DESC_SIZ      32
-  
--
-+#ifndef MSC_CUSTOM_EPS
- #define MSC_EPIN_ADDR                0x81 
--#define MSC_EPOUT_ADDR               0x01 
-+#define MSC_EPOUT_ADDR               0x01
-+#endif
- 
- /**
-   * @}
-@@ -107,7 +108,7 @@
- USBD_MSC_BOT_HandleTypeDef; 
- 
- /* Structure for MSC process */
--extern USBD_ClassTypeDef  USBD_MSC;
-+extern USBD_ClassTypeDef USBD_MSC;
- #define USBD_MSC_CLASS    &USBD_MSC
- 
- uint8_t  USBD_MSC_RegisterStorage  (USBD_HandleTypeDef   *pdev, 
-@@ -118,8 +119,34 @@
- 
- /**
-   * @}
--  */ 
-+  */
- 
-+// XXX "static" moved here for use in composite driver
-+
-+uint8_t  USBD_MSC_Init (USBD_HandleTypeDef *pdev,
-+                        uint8_t cfgidx);
-+
-+uint8_t  USBD_MSC_DeInit (USBD_HandleTypeDef *pdev,
-+                          uint8_t cfgidx);
-+
-+uint8_t  USBD_MSC_Setup (USBD_HandleTypeDef *pdev,
-+                         USBD_SetupReqTypedef *req);
-+
-+uint8_t  USBD_MSC_DataIn (USBD_HandleTypeDef *pdev,
-+                          uint8_t epnum);
-+
-+
-+uint8_t  USBD_MSC_DataOut (USBD_HandleTypeDef *pdev,
-+                           uint8_t epnum);
-+
-+uint8_t  *USBD_MSC_GetHSCfgDesc (uint16_t *length);
-+
-+uint8_t  *USBD_MSC_GetFSCfgDesc (uint16_t *length);
-+
-+uint8_t  *USBD_MSC_GetOtherSpeedCfgDesc (uint16_t *length);
-+
-+uint8_t  *USBD_MSC_GetDeviceQualifierDescriptor (uint16_t *length);
-+
- #ifdef __cplusplus
- }
- #endif

USB/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c.rej

@@ -1,35 +0,0 @@
---- Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c	(date 1511202099000)
-+++ Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c	(revision )
-@@ -116,7 +116,7 @@
-   * @{
-   */ 
- 
--
-+#ifndef MSC_COMPOSITE
- USBD_ClassTypeDef  USBD_MSC = 
- {
-   USBD_MSC_Init,
-@@ -279,6 +279,7 @@
-   0x01,
-   0x00,
- };
-+#endif
- /**
-   * @}
-   */ 
-@@ -530,6 +531,7 @@
-   return 0;
- }
- 
-+#ifndef MSC_COMPOSITE
- /**
- * @brief  USBD_MSC_GetHSCfgDesc 
- *         return configuration descriptor
-@@ -576,6 +578,7 @@
-   *length = sizeof (USBD_MSC_DeviceQualifierDesc);
-   return USBD_MSC_DeviceQualifierDesc;
- }
-+#endif
- 
- /**
- * @brief  USBD_MSC_RegisterStorage

USB/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c.rej

@@ -1,37 +0,0 @@
---- Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c	(date 1511202099000)
-+++ Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c	(revision )
-@@ -190,14 +190,27 @@
-                    INVALID_CDB);
-     return -1;
-   }  
--  
--  if(((USBD_StorageTypeDef *)pdev->pUserData)->IsReady(lun) !=0 )
-+
-+  // XXX THIS SECTION IS MODIFIED FOR NOTIFY!
-+  // https://www.microchip.com/forums/m401735.aspx
-+  int8_t changeStatus = ((USBD_StorageTypeDef *)pdev->pUserData)->IsReady(lun);
-+  if(changeStatus != 0)
-   {
--    SCSI_SenseCode(pdev,
--                   lun,
--                   NOT_READY, 
--                   MEDIUM_NOT_PRESENT);
--    
-+    if (changeStatus == -1)
-+    {
-+      SCSI_SenseCode(pdev,
-+                     lun,
-+                     UNIT_ATTENTION,
-+                     MEDIUM_HAVE_CHANGED);
-+    }
-+    else
-+    {
-+      SCSI_SenseCode(pdev,
-+                     lun,
-+                     NOT_READY,
-+                     MEDIUM_NOT_PRESENT);
-+    }
-+
-     hmsc->bot_state = USBD_BOT_NO_DATA;
-     return -1;
-   } 

USB/STM32_USB_Device_Library/Core/Inc/usbd_def.h

@@ -265,8 +265,8 @@ typedef struct _USBD_HandleTypeDef
 #define  SWAPBYTE(addr)        (((uint16_t)(*((uint8_t *)(addr)))) + \
                                (((uint16_t)(*(((uint8_t *)(addr)) + 1))) << 8))
 
-#define LOBYTE(x)  ((uint8_t)(x & 0x00FF))
+#define LOBYTE(x)  ((uint8_t)((x) & 0x00FF))
-#define HIBYTE(x)  ((uint8_t)((x & 0xFF00) >>8))
+#define HIBYTE(x)  ((uint8_t)(((x) & 0xFF00) >>8))
 
 #ifndef MIN
 #define MIN(a, b)  (((a) < (b)) ? (a) : (b))

USB/STM32_USB_Device_Library/Core/Inc/usbd_def.h.rej

@@ -1,62 +0,0 @@
---- Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h	(date 1511202099000)
-+++ Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h	(revision )
-@@ -99,6 +99,7 @@
- #define  USB_DESC_TYPE_ENDPOINT                            5
- #define  USB_DESC_TYPE_DEVICE_QUALIFIER                    6
- #define  USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION           7
-+#define  USB_DESC_TYPE_IFACE_ASSOCIATION                   11
- #define  USB_DESC_TYPE_BOS                                 0x0F
- 
- #define USB_CONFIG_REMOTE_WAKEUP                           2
-@@ -147,7 +148,7 @@
- 
- typedef  struct  usb_setup_req 
- {
--    
-+
-     uint8_t   bmRequest;                      
-     uint8_t   bRequest;                           
-     uint16_t  wValue;                             
-@@ -230,7 +231,7 @@
-   uint32_t                dev_config_status; 
-   USBD_SpeedTypeDef       dev_speed; 
-   USBD_EndpointTypeDef    ep_in[15];
--  USBD_EndpointTypeDef    ep_out[15];  
-+  USBD_EndpointTypeDef    ep_out[15];
-   uint32_t                ep0_state;  
-   uint32_t                ep0_data_len;     
-   uint8_t                 dev_state;
-@@ -242,10 +243,14 @@
- 
-   USBD_SetupReqTypedef    request;
-   USBD_DescriptorsTypeDef *pDesc;
--  USBD_ClassTypeDef       *pClass;
--  void                    *pClassData;  
--  void                    *pUserData;    
--  void                    *pData;    
-+  USBD_ClassTypeDef       *pClass; // the composite class
-+  void                    *pClassData;
-+  void                    *pUserData;
-+  void                    *pClassData2; // used for secondary class
-+  void                    *pUserData2; // used for secondary class
-+  void                    *pClassData3; // used for tertiary class
-+  void                    *pUserData3; // used for tertiary class
-+  void                    *pData; // this is a pointer to the low level registers struct
- } USBD_HandleTypeDef;
- 
- /**
-@@ -262,8 +267,14 @@
- 
- #define LOBYTE(x)  ((uint8_t)(x & 0x00FF))
- #define HIBYTE(x)  ((uint8_t)((x & 0xFF00) >>8))
-+
-+#ifndef MIN
- #define MIN(a, b)  (((a) < (b)) ? (a) : (b))
-+#endif
-+
-+#ifndef MAX
- #define MAX(a, b)  (((a) > (b)) ? (a) : (b))
-+#endif
- 
- 
- #if  defined ( __GNUC__ )

USB/usb_device.c

@@ -66,6 +66,7 @@ PCD_HandleTypeDef hpcd_USB_FS;
 /* init function */                                        
 void MX_USB_DEVICE_Init(void)
 {
+  dbg("USB device init ...");
   /* USER CODE BEGIN USB_DEVICE_Init_PreTreatment */
   
   /* USER CODE END USB_DEVICE_Init_PreTreatment */

USB/usbd_cdc_if.c

@@ -314,7 +314,7 @@ void USBD_CDC_TransmitDone(USBD_HandleTypeDef *pdev)
   assert_param(inIRQ());
 
   portBASE_TYPE taskWoken = pdFALSE;
-  assert_param(xSemaphoreGiveFromISR(semVcomTxReadyHandle, &taskWoken) == pdTRUE);
+  assert_param(pdTRUE == xSemaphoreGiveFromISR(semVcomTxReadyHandle, &taskWoken));
   portYIELD_FROM_ISR(taskWoken);
 }
 /* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */

USB/usbd_conf.c

@@ -84,13 +84,13 @@ void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
     __HAL_RCC_USB_CLK_ENABLE();
 
     /* Peripheral interrupt init */
-#if defined(GEX_PLAT_F103_BLUEPILL)
+#if GEX_PLAT_F103_BLUEPILL
     HAL_NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, 5, 0);
     HAL_NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn);
-#elif defined(GEX_PLAT_F072_DISCOVERY)
+#elif STM32F072xB
     HAL_NVIC_SetPriority(USB_IRQn, 3, 0);
     HAL_NVIC_EnableIRQ(USB_IRQn);
-#elif defined(GEX_PLAT_F303_DISCOVERY)
+#elif GEX_PLAT_F303_DISCOVERY
     // Pins need to be configured here
 
     /**USB GPIO Configuration
@@ -149,11 +149,11 @@ void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
     __HAL_RCC_USB_CLK_DISABLE();
 
     /* Peripheral interrupt Deinit*/
-#if defined(GEX_PLAT_F103_BLUEPILL)
+#if GEX_PLAT_F103_BLUEPILL
     HAL_NVIC_DisableIRQ(USB_LP_CAN1_RX0_IRQn);
-#elif defined(GEX_PLAT_F072_DISCOVERY)
+#elif STM32F072xB
     HAL_NVIC_DisableIRQ(USB_IRQn);
-#elif defined(GEX_PLAT_F303_DISCOVERY)
+#elif GEX_PLAT_F303_DISCOVERY
     HAL_NVIC_DisableIRQ(USB_LP_CAN_RX0_IRQn);
 #else
   #error "BAD PLATFORM"

comm/messages.c

@@ -2,6 +2,7 @@
 // Created by MightyPork on 2017/11/21.
 //
 
+#include <platform/status_led.h>
 #include "platform.h"
 #include "framework/settings.h"
 #include "utils/ini_parser.h"
@@ -64,7 +65,7 @@ static void settings_bulkread_cb(BulkRead *bulk, uint32_t chunk, uint8_t *buffer
     if (buffer == NULL) {
         free_ck(bulk);
         iw_end();
-        dbg("INI read complete.");
+//        dbg("INI read complete.");
         return;
     }
 
@@ -80,7 +81,7 @@ static void settings_bulkread_cb(BulkRead *bulk, uint32_t chunk, uint8_t *buffer
  */
 static TF_Result lst_ini_export(TinyFrame *tf, TF_Msg *msg)
 {
-    dbg("Bulk read INI file");
+//    dbg("Bulk read INI file");
 
     BulkRead *bulk = malloc_ck(sizeof(BulkRead));
     assert_param(bulk != NULL);
@@ -91,6 +92,7 @@ static TF_Result lst_ini_export(TinyFrame *tf, TF_Msg *msg)
     bulk->userdata = NULL;
 
     bulkread_start(tf, bulk);
+    Indicator_Effect(STATUS_DISK_BUSY_SHORT);
 
     return TF_STAY;
 }
@@ -112,7 +114,7 @@ static void settings_bulkwrite_cb(BulkWrite *bulk, const uint8_t *chunk, uint32_
 
         if (bulk->offset > 0) {
             settings_load_ini_end();
-            dbg("INI write complete");
+//            dbg("INI write complete");
         } else {
             dbg("INI write failed");
         }
@@ -129,7 +131,7 @@ static void settings_bulkwrite_cb(BulkWrite *bulk, const uint8_t *chunk, uint32_
  */
 static TF_Result lst_ini_import(TinyFrame *tf, TF_Msg *msg)
 {
-    dbg("Bulk write INI file");
+//    dbg("Bulk write INI file");
 
     BulkWrite *bulk = malloc_ck(sizeof(BulkWrite));
     assert_param(bulk);
@@ -152,6 +154,8 @@ static TF_Result lst_ini_import(TinyFrame *tf, TF_Msg *msg)
 
     bulkwrite_start(tf, bulk);
 
+    Indicator_Effect(STATUS_DISK_BUSY);
+
 done:
     return TF_STAY;
 }
@@ -161,6 +165,7 @@ done:
 /** Listener: Save settings to Flash */
 static TF_Result lst_persist_cfg(TinyFrame *tf, TF_Msg *msg)
 {
+    Indicator_Effect(STATUS_DISK_REMOVED);
     settings_save();
     return TF_STAY;
 }

cortex_handlers.c

@@ -13,8 +13,10 @@
 
 void SysTick_Handler(void)
 {
-    GEX_MsTick();
+    // OS first, avoids jitter
     osSystickHandler();
+    // GEX periodic updates
+    GEX_MsTick();
 }
 
 
@@ -34,7 +36,7 @@ void vApplicationStackOverflowHook(TaskHandle_t xTask, signed char *pcTaskName)
 
 // && (__CORTEX_M >= 3)
 #if VERBOSE_HARDFAULT
-void __attribute__((used)) HardFault_DumpRegisters( uint32_t *origStack, uint32_t lr_value)
+void __attribute__((used)) HardFault_DumpRegisters(const uint32_t *origStack, uint32_t lr_value)
 {
 /* These are volatile to try and prevent the compiler/linker optimising them
 away as the variables never actually get used.  If the debugger won't show the

framework/resources.c

@@ -6,6 +6,7 @@
 #include "unit.h"
 #include "resources.h"
 #include "hw_utils.h"
+#include "cfg_utils.h"
 #include "unit_registry.h"
 
 static bool rsc_initialized = false;
@@ -21,10 +22,8 @@ const char *const rsc_names[] = {
 #undef X
 };
 
-// Check that EXTI have higher values than GPIOs in the enum
+COMPILER_ASSERT(R_PF15 < R_EXTI0);
-// (determines the logic in the name generation code below)
+COMPILER_ASSERT(R_PA0 == 0);
-COMPILER_ASSERT(R_EXTI0 > R_PA0);
-
 
 const char * rsc_get_name(Resource rsc)
 {
@@ -34,23 +33,45 @@ const char * rsc_get_name(Resource rsc)
     // we assume the returned value is not stored anywhere
     // and is directly used in a sprintf call, hence a static buffer is OK to use
 
-    if (rsc >= R_EXTI0) {
+    // R_PA0 is 0
+    if (rsc <= R_PF15) {
+        // we assume the returned value is not stored anywhere
+        // and is directly used in a sprintf call.
+        uint8_t index = rsc;
+        SNPRINTF(gpionamebuf, 8, "P%c%d", 'A'+(index/16), index%16);
+        return gpionamebuf;
+    }
+
+    if (rsc >= R_EXTI0 && rsc <= R_EXTI15) {
         uint8_t index = rsc - R_EXTI0;
         SNPRINTF(gpionamebuf, 8, "EXTI%d", index);
         return gpionamebuf;
     }
 
-    if (rsc >= R_PA0) {
+    return rsc_names[rsc - R_EXTI15 - 1];
-        // we assume the returned value is not stored anywhere
-        // and is directly used in a sprintf call.
-        uint8_t index = rsc - R_PA0;
-        SNPRINTF(gpionamebuf, 8, "P%c%d", 'A'+(index/16), index%16);
-        return gpionamebuf;
 }
 
-    return rsc_names[rsc];
+/** Convert a pin to resource handle */
+Resource rsc_portpin2rsc(char port_name, uint8_t pin_number, bool *suc)
+{
+    assert_param(suc != NULL);
+
+    if(port_name < 'A' || port_name >= ('A'+PORTS_COUNT)) {
+        dbg("Bad port: %c", port_name); // TODO proper report
+        *suc = false;
+        return R_NONE;
     }
 
+    if(pin_number > 15) {
+        dbg("Bad pin: %d", pin_number); // TODO proper report
+        *suc = false;
+        return R_NONE;
+    }
+
+    uint8_t num = (uint8_t) (port_name - 'A');
+
+    return R_PA0 + num*16 + pin_number;
+}
 
 const char * rsc_get_owner_name(Resource rsc)
 {
@@ -64,11 +85,12 @@ const char * rsc_get_owner_name(Resource rsc)
 
 void rsc_init_registry(void)
 {
-    for(uint32_t i = 0; i < RSCMAP_LEN; i++) {
+    memset(UNIT_PLATFORM.resources, 0xFF, RSCMAP_LEN);
-        UNIT_PLATFORM.resources[i] = global_rscmap[i] = 0xFF;
+    memset(global_rscmap, 0xFF, RSCMAP_LEN);
-    }
 
     rsc_initialized = true;
+
+    rsc_dbg("Total %d hw resources, bitmap has %d bytes.", RESOURCE_COUNT, RSCMAP_LEN);
 }
 
 
@@ -121,17 +143,11 @@ error_t rsc_claim_range(Unit *unit, Resource rsc0, Resource rsc1)
     return E_SUCCESS;
 }
 
-
 error_t rsc_claim_gpios(Unit *unit, char port_name, uint16_t pins)
 {
-    bool suc = true;
-
     for (int i = 0; i < 16; i++) {
         if (pins & (1 << i)) {
-            Resource rsc = hw_pin2resource(port_name, (uint8_t) i, &suc);
+            TRY(rsc_claim_pin(unit, port_name, (uint8_t)i));
-            if (!suc) return E_BAD_CONFIG;
-
-            TRY(rsc_claim(unit, rsc));
         }
     }
     return E_SUCCESS;
@@ -141,7 +157,7 @@ error_t rsc_claim_gpios(Unit *unit, char port_name, uint16_t pins)
 error_t rsc_claim_pin(Unit *unit, char port_name, uint8_t pin)
 {
     bool suc = true;
-    Resource rsc = hw_pin2resource(port_name, pin, &suc);
+    Resource rsc = rsc_portpin2rsc(port_name, pin, &suc);
     if (!suc) return E_BAD_CONFIG;
     TRY(rsc_claim(unit, rsc));
     return E_SUCCESS;
@@ -222,7 +238,7 @@ void rsc_print_all_available(IniWriter *iw)
 
     uint32_t count0 = (iw->count + iw->skip);
     bool first = true;
-    for (uint32_t rsc = 0; rsc < R_PA0; rsc++) {
+    for (uint32_t rsc = R_EXTI15+1; rsc < R_NONE; rsc++) {
         if (RSC_IS_HELD(scratchmap, (Resource)rsc)) continue;
         if (!first) iw_string(iw, ", ");
 
@@ -242,7 +258,7 @@ void rsc_print_all_available(IniWriter *iw)
         if (i%16 == 0) {
             // here we print the previous port
             if (bitmap != 0) {
-                iw_string(iw, pinmask2str(bitmap, iwbuffer));
+                iw_string(iw, cfg_pinmask_encode(bitmap, iwbuffer, 0));
                 bitmap = 0;
             }
 
@@ -257,7 +273,7 @@ void rsc_print_all_available(IniWriter *iw)
     }
     // the last one
     if (bitmap != 0) {
-        iw_string(iw, pinmask2str(bitmap, iwbuffer));
+        iw_string(iw, cfg_pinmask_encode(bitmap, iwbuffer, 0));
     }
     iw_newline(iw);
     iw_newline(iw);

framework/resources.h

@@ -94,6 +94,16 @@ void rsc_free(Unit *unit, Resource rsc);
  */
 void rsc_free_range(Unit *unit, Resource rsc0, Resource rsc1);
 
+/**
+ * Convert pin name and number to a resource enum
+ *
+ * @param port_name - char 'A'..'Z'
+ * @param pin_number - number 0..15
+ * @param suc - set to false on failure, left unchanged on success
+ * @return the resource, or R_NONE
+ */
+Resource rsc_portpin2rsc(char port_name, uint8_t pin_number, bool *suc);
+
 /**
  * Get name of a resource by the Resource enum.
  * Uses a static buffer, DO NOT store the returned pointer.

framework/rsc_enum.h

@@ -12,7 +12,8 @@
     X(SPI1) X(SPI2) X(SPI3) \
     X(I2C1) X(I2C2) X(I2C3) \
     X(ADC1) X(ADC2) X(ADC3) X(ADC4) \
-    X(DAC1) X(DAC2) \
+    X(DAC1) \
+    X(TSC) \
     X(USART1) X(USART2) X(USART3) X(USART4) X(USART5) X(USART6) \
     X(TIM1) X(TIM2) X(TIM3) X(TIM4) X(TIM5) \
     X(TIM6) X(TIM7) X(TIM8) X(TIM9) X(TIM10) X(TIM11) X(TIM12) X(TIM13) X(TIM14) \
@@ -24,7 +25,6 @@
 // X(I2S1) X(I2S2) X(I2S3)
 // X(OPAMP1) X(OPAMP2) X(OPAMP3) X(OPAMP4)
 // X(CAN1) X(CAN2)
-// X(TSC)
 // X(DCMI)
 // X(ETH)
 // X(FSMC)
@@ -59,9 +59,13 @@ typedef enum hw_resource Resource;
 /** Enum of all resources */
 enum hw_resource {
 #define X(res_name) R_##res_name,
-    XX_RESOURCES
+    // GPIO are at the beginning, because some units use the constants in their config to represent
+    // selected pins and those must not change with adding more stuff to the main list
     XX_RESOURCES_GPIO
+    // EXTIs (same like GPIOs) have dynamically generated labels to save rom space. Must be contiguous.
     XX_RESOURCES_EXTI
+    // All the rest ...
+    XX_RESOURCES
 #undef X
     R_NONE,
     RESOURCE_COUNT = R_NONE,

framework/settings.c

@@ -2,7 +2,6 @@
 // Created by MightyPork on 2017/11/26.
 //
 
-#include "utils/avrlibc.h"
 #include "platform.h"
 #include "utils/hexdump.h"
 #include "settings.h"
@@ -10,6 +9,7 @@
 #include "system_settings.h"
 #include "utils/str_utils.h"
 #include "unit_base.h"
+#include "utils/avrlibc.h"
 
 // pre-declarations
 static void savebuf_flush(PayloadBuilder *pb, bool final);

framework/system_settings.c

@@ -6,6 +6,7 @@
 #include "system_settings.h"
 #include "utils/str_utils.h"
 #include "platform/lock_jumper.h"
+#include "cfg_utils.h"
 
 struct system_settings SystemSettings;
 
@@ -77,12 +78,12 @@ bool systemsettings_load_ini(const char *restrict key, const char *restrict valu
 {
     bool suc = true;
     if (streq(key, "expose_vcom")) {
-        bool yn = str_parse_yn(value, &suc);
+        bool yn = cfg_bool_parse(value, &suc);
         if (suc) SystemSettings.visible_vcom = yn;
     }
 
     if (streq(key, "ini_comments")) {
-        bool yn = str_parse_yn(value, &suc);
+        bool yn = cfg_bool_parse(value, &suc);
         if (suc) SystemSettings.ini_comments = yn;
     }
 

framework/unit_base.h

@@ -8,6 +8,7 @@
 #include "platform.h"
 #include "unit.h"
 #include "hw_utils.h"
+#include "cfg_utils.h"
 #include "resources.h"
 #include "utils/str_utils.h"
 #include "utils/malloc_safe.h"

freertos.c

@@ -147,7 +147,7 @@ void MX_FREERTOS_Init(void) {
   stackmon_register("Main", mainTaskStack, sizeof(mainTaskStack));
   stackmon_register("Job+Msg", msgJobQueTaskStack, sizeof(msgJobQueTaskStack));
   stackmon_register("Idle", xIdleStack, sizeof(xIdleStack));
-  stackmon_register("Timers", xTimersStack, sizeof(xTimersStack));
+//  stackmon_register("Timers", xTimersStack, sizeof(xTimersStack));
   /* USER CODE END Init */
 
   /* Create the mutex(es) */

gex.mk

@@ -16,6 +16,9 @@ GEX_SRC_DIR = \
     User/units/adc \
     User/units/sipo \
     User/units/fcap \
+    User/units/touch \
+    User/units/simple_pwm \
+    User/units/dac \
     User/TinyFrame \
     User/CWPack \
     User/tasks

gex_hooks.c

@@ -43,6 +43,18 @@ void GEX_PreInit(void)
     dbg("\r\n\033[37;1m*** GEX "GEX_VERSION" on "GEX_PLATFORM" ***\033[m");
     dbg("Build "__DATE__" "__TIME__);
 
+    PRINTF("Reset cause:");
+    if (LL_RCC_IsActiveFlag_LPWRRST()) PRINTF(" LPWR");
+    if (LL_RCC_IsActiveFlag_WWDGRST()) PRINTF(" WWDG");
+    if (LL_RCC_IsActiveFlag_IWDGRST()) PRINTF(" IWDG");
+    if (LL_RCC_IsActiveFlag_SFTRST()) PRINTF(" SFT");
+    if (LL_RCC_IsActiveFlag_PORRST()) PRINTF(" POR");
+    if (LL_RCC_IsActiveFlag_PINRST()) PRINTF(" PIN");
+    if (LL_RCC_IsActiveFlag_OBLRST()) PRINTF(" OBL");
+    if (LL_RCC_IsActiveFlag_V18PWRRST()) PRINTF(" V18PWR");
+    PUTNL();
+    LL_RCC_ClearResetFlags();
+
     plat_init();
 
     MX_USB_DEVICE_Init();

platform/cfg_utils.c

@@ -0,0 +1,299 @@
+//
+// Created by MightyPork on 2018/02/23.
+//
+
+#include "cfg_utils.h"
+#include "hw_utils.h"
+#include "utils/avrlibc.h"
+#include "utils/str_utils.h"
+
+/** Parse a string representation of a pin directly to a resource constant */
+Resource cfg_pinrsc_parse(const char *str, bool *suc)
+{
+    char pname;
+    uint8_t pnum;
+
+    if (!cfg_portpin_parse(str, &pname, &pnum)) {
+        *suc = false;
+        return R_NONE;
+    }
+
+    return rsc_portpin2rsc(pname, pnum, suc);
+}
+
+/** Convert a resource to a pin name - uses a static buffer, result must not be stored! */
+char *cfg_pinrsc_encode(Resource rsc)
+{
+    static char buf[4];
+    uint32_t index = rsc - R_PA0;
+    uint32_t portnum = (index/16);
+    uint8_t pinnum = (uint8_t) (index % 16);
+    if (portnum >= PORTS_COUNT) return "";
+    buf[0] = (char) ('A' + portnum);
+    if (pinnum>9) {
+        buf[1] = '1';
+        buf[2] = (char) ('0' + (pinnum - 10));
+        buf[3] = 0;
+    } else {
+        buf[1] = (char) ('0' + pinnum);
+        buf[2] = 0;
+    }
+    return buf;
+}
+
+/** Parse single pin */
+bool cfg_portpin_parse(const char *value, char *targetName, uint8_t *targetNumber)
+{
+    // discard leading 'P'
+    if (value[0] == 'P') {
+        value++;
+    }
+
+    size_t len = strlen(value);
+    if (len<2||len>3) return false;
+
+    *targetName = (uint8_t) value[0];
+    if (!(*targetName >= 'A' && *targetName <= 'H')) return false;
+
+    // lets just hope it's OK
+    *targetNumber = (uint8_t) avr_atoi(value + 1);
+    return true;
+}
+
+/** Parse port name */
+bool cfg_port_parse(const char *value, char *targetName)
+{
+    *targetName = (uint8_t) value[0];
+    if (!(*targetName >= 'A' && *targetName < 'A' + PORTS_COUNT)) return false;
+    return true;
+}
+
+/** Parse a list of pin numbers with ranges and commans/semicolons to a bitmask */
+uint32_t cfg_pinmask_parse_32(const char *value, bool *suc)
+{
+    uint32_t bits = 0;
+    uint32_t acu = 0;
+    bool inrange = false;
+    uint32_t rangestart = 0;
+
+    // shortcut if none are set
+    if (value[0] == 0) return 0;
+
+    char c;
+    do {
+        c = *value++;
+        if (c == ' ' || c == '\t') {
+            // skip
+        }
+        else if (c >= '0' && c <= '9') {
+            acu = acu*10 + (c-'0');
+        }
+        else if (c == ',' || c == ';' || c == 0) {
+            // end of number or range
+            if (!inrange) rangestart = acu;
+
+            // swap them if they're in the wrong order
+            if (acu < rangestart) {
+                uint32_t swp = acu;
+                acu = rangestart;
+                rangestart = swp;
+            }
+
+            if (rangestart > 31) rangestart = 31;
+            if (acu > 31) acu = 31;
+
+            for(uint32_t i=rangestart; i <= acu; i++) {
+                bits |= 1<<i;
+            }
+
+            inrange = false;
+            rangestart = 0;
+            acu = 0;
+        }
+        else if (c == '-' || c == ':') {
+            rangestart = acu;
+            inrange = true;
+            acu=0;
+        } else {
+            *suc = false;
+        }
+    } while (c != 0);
+
+    return bits;
+}
+
+/** Convert a pin bitmask to the ASCII format understood by str_parse_pinmask() */
+char *cfg_pinmask_encode(uint32_t pins, char *buffer, bool ascending)
+{
+    char *b = buffer;
+    uint32_t start = 0;
+    bool on = false;
+    bool first = true;
+    bool bit;
+
+    // shortcut if none are set
+    if (pins == 0) {
+        buffer[0] = 0;
+        return buffer;
+    }
+
+    if (ascending) {
+        for (int32_t i = 0; i <= 32; i++) {
+            if (i == 32) {
+                bit = false;
+            } else {
+                bit = 0 != (pins & 1);
+                pins >>= 1;
+            }
+
+            if (bit) {
+                if (!on) {
+                    start = (uint32_t) i;
+                    on = true;
+                }
+            } else {
+                if (on) {
+                    if (!first) {
+                        b += SPRINTF(b, ", ");
+                    }
+
+                    if (start == (uint32_t)(i - 1)) {
+                        b += SPRINTF(b, "%"PRIu32, start);
+                    } else {
+                        b += SPRINTF(b, "%"PRIu32"-%"PRIu32, start, i - 1);
+                    }
+
+                    first = false;
+                    on = false;
+                }
+            }
+        }
+    } else {
+        for (int32_t i = 31; i >= -1; i--) {
+            if (i == -1) {
+                bit = false;
+            } else {
+                bit = 0 != (pins & 0x80000000);
+                pins <<= 1;
+            }
+
+            if (bit) {
+                if (!on) {
+                    start = (uint32_t) i;
+                    on = true;
+                }
+            } else {
+                if (on) {
+                    if (!first) {
+                        b += SPRINTF(b, ", ");
+                    }
+
+                    if (start == (uint32_t) (i + 1)) {
+                        b += SPRINTF(b, "%"PRIu32, start);
+                    } else {
+                        b += SPRINTF(b, "%"PRIu32"-%"PRIu32, start, i + 1);
+                    }
+
+                    first = false;
+                    on = false;
+                }
+            }
+        }
+    }
+
+    return buffer;
+}
+
+bool cfg_bool_parse(const char *str, bool *suc)
+{
+    // TODO implement strcasecmp without the locale crap from newlib and use it here
+    if (streq(str, "Y")) return true;
+    if (streq(str, "N")) return false;
+
+    if (streq(str, "1")) return true;
+    if (streq(str, "0")) return false;
+
+    if (streq(str, "H")) return true;
+    if (streq(str, "L")) return false;
+
+    if (streq(str, "YES")) return true;
+    if (streq(str, "NO")) return false;
+
+    if (streq(str, "ON")) return true;
+    if (streq(str, "OFF")) return false;
+
+    *suc = false;
+    return false;
+}
+
+/** Convert number to one of 2 options */
+const char *cfg_enum2_encode(uint32_t n,
+                             uint32_t na, const char *a,
+                             uint32_t nb, const char *b)
+{
+    if (n == nb) return b;
+    return a;
+}
+
+/** Convert number to one of 3 options */
+const char *cfg_enum3_encode(uint32_t n,
+                             uint32_t na, const char *a,
+                             uint32_t nb, const char *b,
+                             uint32_t nc, const char *c)
+{
+    if (n == nb) return b;
+    if (n == nc) return c;
+    return a;
+}
+
+/** Convert number to one of 4 options */
+const char *cfg_enum4_encode(uint32_t n,
+                             uint32_t na, const char *a,
+                             uint32_t nb, const char *b,
+                             uint32_t nc, const char *c,
+                             uint32_t nd, const char *d)
+{
+    if (n == nb) return b;
+    if (n == nc) return c;
+    if (n == nd) return d;
+    return a;
+}
+
+uint32_t cfg_enum2_parse(const char *value,
+                         const char *a, uint32_t na,
+                         const char *b, uint32_t nb,
+                         bool *suc)
+{
+    if (streq(value, a)) return na;
+    if (streq(value, b)) return nb;
+    *suc = false;
+    return na;
+}
+
+uint32_t cfg_enum3_parse(const char *value,
+                         const char *a, uint32_t na,
+                         const char *b, uint32_t nb,
+                         const char *c, uint32_t nc,
+                         bool *suc)
+{
+    if (streq(value, a)) return na;
+    if (streq(value, b)) return nb;
+    if (streq(value, c)) return nc;
+    *suc = false;
+    return na;
+}
+
+uint32_t cfg_enum4_parse(const char *value,
+                         const char *a, uint32_t na,
+                         const char *b, uint32_t nb,
+                         const char *c, uint32_t nc,
+                         const char *d, uint32_t nd,
+                         bool *suc)
+{
+    if (streq(value, a)) return na;
+    if (streq(value, b)) return nb;
+    if (streq(value, c)) return nc;
+    if (streq(value, d)) return nd;
+    *suc = false;
+    return na;
+}

platform/cfg_utils.h

@@ -0,0 +1,153 @@
+//
+// Created by MightyPork on 2018/02/23.
+//
+
+#ifndef GEX_F072_CFG_UTILS_H
+#define GEX_F072_CFG_UTILS_H
+
+#include "platform.h"
+#include "rsc_enum.h"
+#include "utils/avrlibc.h"
+
+/**
+ * Parse a pin name (e.g. PA0 or A0) to port name and pin number
+ *
+ * @param str - source string
+ * @param targetName - output: port name (one character)
+ * @param targetNumber - output: pin number 0-15
+ * @return success
+ */
+bool cfg_portpin_parse(const char *str, char *targetName, uint8_t *targetNumber);
+
+/**
+ * Parse a string representation of a pin directly to a resource constant
+ *
+ * @param[in]  str - source string - e.g. PA0 or A0
+ * @param[out] suc - written to false on failure
+ * @return the parsed resource
+ */
+Resource cfg_pinrsc_parse(const char *str, bool *suc);
+
+/**
+ * Convert a resource to a pin name - uses a static buffer, result must not be stored!
+ *
+ * @param[in] rsc - resource to print
+ * @return a pointer to a static buffer used for exporting the names
+ */
+char *cfg_pinrsc_encode(Resource rsc);
+
+/**
+ * Parse a port name (one character) - validates that it's within range
+ *
+ * @param value - source string
+ * @param targetName - output: port name (one character)
+ * @return success
+ */
+bool cfg_port_parse(const char *value, char *targetName);
+
+/**
+ * Parse a list of pin numbers with ranges and commands/semicolons to a bitmask.
+ * Supported syntax:
+ * - comma separated numbers
+ * - numbers connected by dash or colon form a range (can be in any order)
+ *
+ * @param value - source string
+ * @param suc - set to False if parsing failed
+ * @return the resulting bitmap
+ */
+uint32_t cfg_pinmask_parse_32(const char *value, bool *suc);
+
+/** same as cfg_pinmask_parse_32(), but with a cast to u16 */
+static inline uint16_t cfg_pinmask_parse(const char *value, bool *suc)
+{
+    return (uint16_t) cfg_pinmask_parse_32(value, suc);
+}
+
+/**
+ * Convert a pin bitmap to the ASCII format understood by str_parse_pinmask()
+ *
+ * @param[in]  pins - sparse pin map
+ * @param[out] buffer - output string buffer
+ * @param[in]  ascending - use ordering 0..31 rather than 31..0
+ * @return the output buffer
+ */
+char *cfg_pinmask_encode(uint32_t pins, char *buffer, bool ascending);
+
+
+/** Parse Y/N to bool */
+bool cfg_bool_parse(const char *str, bool *suc);
+
+/** Convert number to one of 4 options */
+const char *cfg_enum2_encode(uint32_t n,
+                             uint32_t na, const char *a,
+                             uint32_t nb, const char *b);
+
+/** Convert number to one of 4 options */
+const char *cfg_enum3_encode(uint32_t n,
+                             uint32_t na, const char *a,
+                             uint32_t nb, const char *b,
+                             uint32_t nc, const char *c);
+
+/** Convert number to one of 4 options */
+const char *cfg_enum4_encode(uint32_t n,
+                             uint32_t na, const char *a,
+                             uint32_t nb, const char *b,
+                             uint32_t nc, const char *c,
+                             uint32_t nd, const char *d);
+
+/** Convert string to one of two numeric options */
+uint32_t cfg_enum2_parse(const char *tpl,
+                         const char *a, uint32_t na,
+                         const char *b, uint32_t nb,
+                         bool *suc);
+
+/** Convert string to one of three numeric options */
+uint32_t cfg_enum3_parse(const char *tpl,
+                         const char *a, uint32_t na,
+                         const char *b, uint32_t nb,
+                         const char *c, uint32_t nc,
+                         bool *suc);
+
+/** Convert string to one of four numeric options */
+uint32_t cfg_enum4_parse(const char *tpl,
+                         const char *a, uint32_t na,
+                         const char *b, uint32_t nb,
+                         const char *c, uint32_t nc,
+                         const char *d, uint32_t nd,
+                         bool *suc);
+
+/** Convert bool to a Y or N constant string */
+#define str_yn(cond) ((cond) ? ("Y") : ("N"))
+
+
+static inline uint8_t cfg_u8_parse(const char *value, bool *suc)
+{
+    return (uint8_t) avr_atoi(value);
+}
+
+static inline int8_t cfg_i8_parse(const char *value, bool *suc)
+{
+    return (int8_t) avr_atoi(value);
+}
+
+static inline uint16_t cfg_u16_parse(const char *value, bool *suc)
+{
+    return (uint16_t) avr_atoi(value);
+}
+
+static inline int16_t cfg_i16_parse(const char *value, bool *suc)
+{
+    return (int16_t) avr_atoi(value);
+}
+
+static inline uint32_t cfg_u32_parse(const char *value, bool *suc)
+{
+    return (uint32_t) avr_atoi(value);
+}
+
+static inline int32_t cfg_i32_parse(const char *value, bool *suc)
+{
+    return (int32_t) avr_atoi(value);
+}
+
+#endif //GEX_F072_CFG_UTILS_H

platform/debug_uart.c

@@ -12,7 +12,7 @@
 
 #define DEBUG_USART_BAUD 115200
 
-#if GEX_PLAT_F072_DISCOVERY
+#if GEX_PLAT_F072_DISCOVERY || GEX_PLAT_F072_HUB
 
     #define DEBUG_USART USART1
     #define DEBUG_USART_RSC R_USART1

platform/hw_utils.c

@@ -3,10 +3,8 @@
 //
 
 #include "platform.h"
-#include "utils/avrlibc.h"
 #include "hw_utils.h"
 
-
 /** Convert pin number to LL bitfield */
 uint32_t hw_pin2ll(uint8_t pin_number, bool *suc)
 {
@@ -36,210 +34,19 @@ GPIO_TypeDef *hw_port2periph(char port_name, bool *suc)
     return GPIO_PERIPHS[num];
 }
 
-/** Convert a pin to resource handle */
+/** Convert a pin resource to it's LL lib values */
-Resource hw_pin2resource(char port_name, uint8_t pin_number, bool *suc)
+bool hw_pinrsc2ll(Resource rsc, GPIO_TypeDef **port, uint32_t *llpin)
 {
-    assert_param(suc != NULL);
+    if (rsc > R_PF15) return false;
-
+    uint32_t index = rsc - R_PA0;
-    if(port_name < 'A' || port_name >= ('A'+PORTS_COUNT)) {
+    uint32_t pname = (index/16);
-        dbg("Bad port: %c", port_name); // TODO proper report
+    uint8_t pnum = (uint8_t) (index % 16);
-        *suc = false;
+    if (pname >= PORTS_COUNT) return false;
-        return R_NONE;
+    *port = GPIO_PERIPHS[pname];
-    }
+    *llpin = LL_GPIO_PINS[pnum];
-
-    if(pin_number > 15) {
-        dbg("Bad pin: %d", pin_number); // TODO proper report
-        *suc = false;
-        return R_NONE;
-    }
-
-    uint8_t num = (uint8_t) (port_name - 'A');
-
-    return R_PA0 + num*16 + pin_number;
-}
-
-/** Parse single pin */
-bool parse_pin(const char *value, char *targetName, uint8_t *targetNumber)
-{
-    // discard leading 'P'
-    if (value[0] == 'P') {
-        value++;
-    }
-
-    size_t len = strlen(value);
-    if (len<2||len>3) return false;
-
-    *targetName = (uint8_t) value[0];
-    if (!(*targetName >= 'A' && *targetName <= 'H')) return false;
-
-    // lets just hope it's OK
-    *targetNumber = (uint8_t) avr_atoi(value + 1);
     return true;
 }
 
-/** Parse port name */
-bool parse_port_name(const char *value, char *targetName)
-{
-    *targetName = (uint8_t) value[0];
-    if (!(*targetName >= 'A' && *targetName < 'A' + PORTS_COUNT)) return false;
-    return true;
-}
-
-/** Parse a list of pin numbers with ranges and commans/semicolons to a bitmask */
-uint32_t parse_pinmask(const char *value, bool *suc)
-{
-    uint32_t bits = 0;
-    uint32_t acu = 0;
-    bool inrange = false;
-    uint32_t rangestart = 0;
-
-    // shortcut if none are set
-    if (value[0] == 0) return 0;
-
-    char c;
-    do {
-        c = *value++;
-        if (c == ' ' || c == '\t') {
-            // skip
-        }
-        else if (c >= '0' && c <= '9') {
-            acu = acu*10 + (c-'0');
-        }
-        else if (c == ',' || c == ';' || c == 0) {
-            // end of number or range
-            if (!inrange) rangestart = acu;
-
-            // swap them if they're in the wrong order
-            if (acu < rangestart) {
-                uint32_t swp = acu;
-                acu = rangestart;
-                rangestart = swp;
-            }
-
-            if (rangestart > 31) rangestart = 31;
-            if (acu > 31) acu = 31;
-
-            for(uint32_t i=rangestart; i <= acu; i++) {
-                bits |= 1<<i;
-            }
-
-            inrange = false;
-            rangestart = 0;
-            acu = 0;
-        }
-        else if (c == '-' || c == ':') {
-            rangestart = acu;
-            inrange = true;
-            acu=0;
-        } else {
-            *suc = false;
-        }
-    } while (c != 0);
-
-    return bits;
-}
-
-/** Convert a pin bitmask to the ASCII format understood by str_parse_pinmask() */
-char * pinmask2str(uint32_t pins, char *buffer)
-{
-    char *b = buffer;
-    uint32_t start = 0;
-    bool on = false;
-    bool first = true;
-
-    // shortcut if none are set
-    if (pins == 0) {
-        buffer[0] = 0;
-        return buffer;
-    }
-
-    for (int32_t i = 31; i >= -1; i--) {
-        bool bit;
-
-        if (i == -1) {
-            bit = false;
-        } else {
-            bit = 0 != (pins & 0x80000000);
-            pins <<= 1;
-        }
-
-        if (bit) {
-            if (!on) {
-                start = (uint32_t) i;
-                on = true;
-            }
-        } else {
-            if (on) {
-                if (!first) {
-                    b += SPRINTF(b, ", ");
-                }
-
-                if (start == (uint32_t)(i+1)) {
-                    b += SPRINTF(b, "%"PRIu32, start);
-                }
-                else {
-                    b += SPRINTF(b, "%"PRIu32"-%"PRIu32, start, i + 1);
-                }
-
-                first = false;
-                on = false;
-            }
-        }
-    }
-
-    return buffer;
-}
-
-char * pinmask2str_up(uint32_t pins, char *buffer)
-{
-    char *b = buffer;
-    uint32_t start = 0;
-    bool on = false;
-    bool first = true;
-
-    // shortcut if none are set
-    if (pins == 0) {
-        buffer[0] = 0;
-        return buffer;
-    }
-
-    for (int32_t i = 0; i <= 32; i++) {
-        bool bit;
-
-        if (i == 32) {
-            bit = false;
-        } else {
-            bit = 0 != (pins & 1);
-            pins >>= 1;
-        }
-
-        if (bit) {
-            if (!on) {
-                start = (uint32_t) i;
-                on = true;
-            }
-        } else {
-            if (on) {
-                if (!first) {
-                    b += SPRINTF(b, ", ");
-                }
-
-                if (start == (uint32_t)(i-1)) {
-                    b += SPRINTF(b, "%"PRIu32, start);
-                }
-                else {
-                    b += SPRINTF(b, "%"PRIu32"-%"PRIu32, start, i - 1);
-                }
-
-                first = false;
-                on = false;
-            }
-        }
-    }
-
-    return buffer;
-}
-
 #pragma GCC push_options
 #pragma GCC optimize ("O2")
 /** spread a packed pinfield using a mask */
@@ -285,25 +92,13 @@ uint32_t pinmask_pack_32(uint32_t spread, uint32_t mask)
     return result;
 }
 
-/** Convert spread port pin number to a packed index using a mask */
-uint8_t pinmask_translate(uint32_t mask, uint8_t index)
-{
-    int cnt = 0;
-    for (int i = 0; i<32; i++) {
-        if (mask & (1<<i)) {
-            if (i == index) return (uint8_t) cnt;
-            cnt++;
-        }
-    }
-    return 0;
-}
 #pragma GCC pop_options
 
 /** Configure unit pins as analog (part of unit teardown) */
 void hw_deinit_unit_pins(Unit *unit)
 {
     for (uint32_t rsc = R_PA0; rsc <= R_PF15; rsc++) {
-        if (RSC_IS_HELD(unit->resources, rsc)) {
+        if (RSC_IS_HELD(unit->resources, (Resource)rsc)) {
             rsc_dbg("Freeing pin %s", rsc_get_name((Resource)rsc));
             GPIO_TypeDef *port = GPIO_PERIPHS[(rsc-R_PA0) / 16];
             uint32_t ll_pin = LL_GPIO_PINS[(rsc-R_PA0)%16];
@@ -335,6 +130,30 @@ error_t hw_configure_gpio_af(char port_name, uint8_t pin_num, uint32_t ll_af)
     return E_SUCCESS;
 }
 
+/** Configure a pin to alternate function */
+error_t hw_configure_gpiorsc_af(Resource rsc, uint32_t ll_af)
+{
+#if PLAT_NO_AFNUM
+    trap("Illegal call to hw_configure_gpio_af() on this platform");
+#else
+
+    bool suc = true;
+    GPIO_TypeDef *port;
+    uint32_t ll_pin;
+    suc = hw_pinrsc2ll(rsc, &port, &ll_pin);
+    if (!suc) return E_BAD_CONFIG;
+
+    if (ll_pin & 0xFF)
+        LL_GPIO_SetAFPin_0_7(port, ll_pin, ll_af);
+    else
+        LL_GPIO_SetAFPin_8_15(port, ll_pin, ll_af);
+
+    LL_GPIO_SetPinMode(port, ll_pin, LL_GPIO_MODE_ALTERNATE);
+
+#endif
+    return E_SUCCESS;
+}
+
 /** Configure pins using sparse map */
 error_t hw_configure_sparse_pins(char port_name, uint16_t mask, GPIO_TypeDef **port_dest,
                                  uint32_t ll_mode, uint32_t ll_otype)
@@ -360,7 +179,7 @@ error_t hw_configure_sparse_pins(char port_name, uint16_t mask, GPIO_TypeDef **p
 }
 
 /** Solve a timer/counter's count and prescaller value */
-bool solve_timer(uint32_t base_freq, uint32_t required_freq, bool is16bit,
+bool hw_solve_timer(uint32_t base_freq, uint32_t required_freq, bool is16bit,
                     uint16_t *presc, uint32_t *count, float *real_freq)
 {
     if (required_freq == 0) return false;
@@ -394,7 +213,6 @@ bool solve_timer(uint32_t base_freq, uint32_t required_freq, bool is16bit,
     return true;
 }
 
-
 void hw_periph_clock_enable(void *periph)
 {
     // GPIOs are enabled by default on start-up
@@ -445,7 +263,7 @@ void hw_periph_clock_enable(void *periph)
     else if (periph == TIM5) __HAL_RCC_TIM5_CLK_ENABLE();
 #endif
 #ifdef TIM6
-    else if (periph == TIM6) __HAL_RCC_TIM7_CLK_ENABLE();
+    else if (periph == TIM6) __HAL_RCC_TIM6_CLK_ENABLE();
 #endif
 #ifdef TIM7
     else if (periph == TIM7) __HAL_RCC_TIM7_CLK_ENABLE();
@@ -493,6 +311,12 @@ void hw_periph_clock_enable(void *periph)
 #ifdef DAC2
     else if (periph == DAC2) __HAL_RCC_DAC2_CLK_ENABLE();
 #endif
+
+        // --- TSC ---
+#ifdef TSC
+    else if (periph == TSC) __HAL_RCC_TSC_CLK_ENABLE();
+#endif
+
     else {
         dbg("Periph 0x%p missing in hw clock enable func", periph);
         trap("BUG");
@@ -550,7 +374,7 @@ void hw_periph_clock_disable(void *periph)
     else if (periph == TIM5) __HAL_RCC_TIM5_CLK_DISABLE();
 #endif
 #ifdef TIM6
-    else if (periph == TIM6) __HAL_RCC_TIM7_CLK_DISABLE();
+    else if (periph == TIM6) __HAL_RCC_TIM6_CLK_DISABLE();
 #endif
 #ifdef TIM7
     else if (periph == TIM7) __HAL_RCC_TIM7_CLK_DISABLE();
@@ -598,6 +422,12 @@ void hw_periph_clock_disable(void *periph)
 #ifdef DAC2
         else if (periph == DAC2) __HAL_RCC_DAC2_CLK_DISABLE();
 #endif
+
+        // --- TSC ---
+#ifdef TSC
+    else if (periph == TSC) __HAL_RCC_TSC_CLK_DISABLE();
+#endif
+
     else {
         dbg("Periph 0x%p missing in hw clock disable func", periph);
         trap("BUG");

platform/hw_utils.h

@@ -21,16 +21,6 @@
  */
 uint32_t hw_pin2ll(uint8_t pin_number, bool *suc);
 
-/**
- * Convert pin name and number to a resource enum
- *
- * @param port_name - char 'A'..'Z'
- * @param pin_number - number 0..15
- * @param suc - set to false on failure, left unchanged on success
- * @return the resource, or R_NONE
- */
-Resource hw_pin2resource(char port_name, uint8_t pin_number, bool *suc);
-
 /**
  * Convert port name to peripheral instance
  *
@@ -41,55 +31,14 @@ Resource hw_pin2resource(char port_name, uint8_t pin_number, bool *suc);
 GPIO_TypeDef *hw_port2periph(char port_name, bool *suc);
 
 /**
- * Parse a pin name (e.g. PA0 or A0) to port name and pin number
+ * Convert a pin resource to it's LL lib values
  *
- * @param str - source string
+ * @param[in]  rsc - resource to process
- * @param targetName - output: port name (one character)
+ * @param[out] port - output port
- * @param targetNumber - output: pin number 0-15
+ * @param[out] llpin - output LL pin mask
  * @return success
  */
-bool parse_pin(const char *str, char *targetName, uint8_t *targetNumber);
+bool hw_pinrsc2ll(Resource rsc, GPIO_TypeDef **port, uint32_t *llpin) __attribute__((warn_unused_result));
-
-/**
- * Parse a port name (one character) - validates that it's within range
- *
- * @param value - source string
- * @param targetName - output: port name (one character)
- * @return success
- */
-bool parse_port_name(const char *value, char *targetName);
-
-/**
- * Parse a list of pin numbers with ranges and commands/semicolons to a bitmask.
- * Supported syntax:
- * - comma separated numbers
- * - numbers connected by dash or colon form a range (can be in any order)
- *
- * @param value - source string
- * @param suc - set to False if parsing failed
- * @return the resulting bitmap
- */
-uint32_t parse_pinmask(const char *value, bool *suc);
-
-/**
- * Convert a pin bitmap to the ASCII format understood by str_parse_pinmask()
- * This is the downto variant (15..0)
- *
- * @param pins - sparse pin map
- * @param buffer - output string buffer
- * @return the output buffer
- */
-char * pinmask2str(uint32_t pins, char *buffer);
-
-/**
- * Convert a pin bitmap to the ASCII format understood by str_parse_pinmask()
- * This is the ascending variant (0..15)
- *
- * @param pins - sparse pin map
- * @param buffer - output string buffer
- * @return the output buffer
- */
-char * pinmask2str_up(uint32_t pins, char *buffer);
 
 /**
  * Spread packed port pins using a mask
@@ -121,13 +70,6 @@ static inline uint16_t pinmask_pack(uint32_t spread, uint32_t mask)
     return (uint16_t) pinmask_pack_32(spread, mask);
 }
 
-/**
- * Convert spread port pin number to a packed index using a mask
- *
- * eg. with a mask 0b1010 and index 3, the result is 1 (bit 1 of the packed - 0bX0)
- */
-uint8_t pinmask_translate(uint32_t mask, uint8_t index);
-
 /**
  * Set all GPIO resources held by unit to analog.
  * This is a part of unit teardown.
@@ -146,6 +88,9 @@ void hw_deinit_unit_pins(Unit *unit);
  */
 error_t hw_configure_gpio_af(char port_name, uint8_t pin_num, uint32_t ll_af) __attribute__((warn_unused_result));
 
+/** Configure a pin to alternate function via rsc */
+error_t hw_configure_gpiorsc_af(Resource rsc, uint32_t ll_af) __attribute__((warn_unused_result));
+
 /**
  * Configure multiple pins using the bitmap pattern
  *
@@ -192,8 +137,8 @@ void hw_periph_clock_disable(void *periph);
  * @param[out] real_freq - field for storing the computed real frequency
  * @return true on success
  */
-bool solve_timer(uint32_t base_freq, uint32_t required_freq, bool is16bit,
+bool hw_solve_timer(uint32_t base_freq, uint32_t required_freq, bool is16bit,
-                 uint16_t *presc, uint32_t *count, float *real_freq);
+                    uint16_t *presc, uint32_t *count, float *real_freq) __attribute__((warn_unused_result));
 
 #define hw_wait_while(call, timeout) \
     do { \

platform/irq_dispatcher.c

@@ -69,6 +69,7 @@ static struct callbacks_ {
     struct cbslot tim16;
 
     struct cbslot adc1;
+    struct cbslot tsc;
 
     // XXX add more callbacks here when needed
 } callbacks;
@@ -92,7 +93,8 @@ void irqd_init(void)
     HAL_NVIC_SetPriority(EXTI2_3_IRQn, 2, 0);
     HAL_NVIC_SetPriority(EXTI4_15_IRQn, 2, 0);
 
-//    NVIC_EnableIRQ(TSC_IRQn);                   /*!< Touch Sensing Controller Interrupts                             */
+    NVIC_EnableIRQ(TSC_IRQn);                   /*!< Touch Sensing Controller Interrupts                             */
+    HAL_NVIC_SetPriority(TSC_IRQn, 2, 0);
 
     NVIC_EnableIRQ(DMA1_Channel1_IRQn);         /*!< DMA1 Channel 1 Interrupt                                        */
     NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);       /*!< DMA1 Channel 2 and Channel 3 Interrupt                          */
@@ -111,7 +113,7 @@ void irqd_init(void)
 //    NVIC_EnableIRQ(TIM3_IRQn);                  /*!< TIM3 global Interrupt                                           */
 
     NVIC_EnableIRQ(TIM6_DAC_IRQn);              /*!< TIM6 global and DAC channel underrun error Interrupt            */
-    HAL_NVIC_SetPriority(TIM7_IRQn, 2, 0); // Used for DAC timing
+    HAL_NVIC_SetPriority(TIM6_DAC_IRQn, 2, 0); // Used for DAC timing
 
     NVIC_EnableIRQ(TIM7_IRQn);                  /*!< TIM7 global Interrupt                                           */
     HAL_NVIC_SetPriority(TIM7_IRQn, 2, 0);// this will be for dac (?)
@@ -178,6 +180,8 @@ static struct cbslot *get_slot_for_periph(void *periph)
     else if (periph == TIM16) slot = &callbacks.tim16;
     // 17 - used by timebase
 
+    else if (periph == TSC) slot = &callbacks.tsc;
+
     else if (periph == ADC1) slot = &callbacks.adc1;
 
     else if (periph >= EXTIS[0] && periph <= EXTIS[15]) {
@@ -352,6 +356,11 @@ void ADC1_COMP_IRQHandler(void)
     CALL_IRQ_HANDLER(callbacks.adc1);
 }
 
+void TSC_IRQHandler(void)
+{
+    CALL_IRQ_HANDLER(callbacks.tsc);
+}
+
 
 // other ISRs...
 

platform/lock_jumper.c

@@ -26,16 +26,11 @@ void LockJumper_Init(void)
 {
     bool suc = true;
 
-    // Resolve and claim resource
+    Resource pinrsc = rsc_portpin2rsc(LOCK_JUMPER_PORT, LOCK_JUMPER_PIN, &suc);
-    Resource rsc = hw_pin2resource(LOCK_JUMPER_PORT, LOCK_JUMPER_PIN, &suc);
     assert_param(suc);
 
-    assert_param(E_SUCCESS == rsc_claim(&UNIT_SYSTEM, rsc));
+    assert_param(E_SUCCESS == rsc_claim(&UNIT_SYSTEM, pinrsc));
-
+    assert_param(hw_pinrsc2ll(pinrsc, &lock_periph, &lock_llpin));
-    // Resolve pin
-    lock_periph = hw_port2periph(LOCK_JUMPER_PORT, &suc);
-    lock_llpin = hw_pin2ll(LOCK_JUMPER_PIN, &suc);
-    assert_param(suc);
 
     // Configure for input
     LL_GPIO_SetPinMode(lock_periph, lock_llpin, LL_GPIO_MODE_INPUT);

platform/plat_compat.h

@@ -21,7 +21,7 @@
 #endif
 
 // 180 is normally enough if not doing extensive debug logging
-#define TSK_STACK_MSG       200 // TF message handler task stack size (all unit commands run on this thread)
+#define TSK_STACK_MSG       220 // TF message handler task stack size (all unit commands run on this thread)
 #define TSK_STACK_IDLE    64 //configMINIMAL_STACK_SIZE
 #define TSK_STACK_TIMERS  64 //configTIMER_TASK_STACK_DEPTH
 
@@ -30,7 +30,7 @@
 
 
 #define BULK_READ_BUF_LEN 256   // Buffer for TF bulk reads
-#define UNIT_TMP_LEN      512   // Buffer for internal unit operations
+#define UNIT_TMP_LEN      256   // Buffer for internal unit operations
 
 #define FLASH_SAVE_BUF_LEN  128 // Malloc'd buffer for saving to flash
 
@@ -38,7 +38,7 @@
 #define RX_QUE_CAPACITY    16 // TinyFrame rx queue size (64 bytes each)
 
 #define TF_MAX_PAYLOAD_RX 512 // TF max Rx payload
-#define TF_SENDBUF_LEN     64 // TF transmit buffer (can be less than a full frame)
+#define TF_SENDBUF_LEN    512 // TF transmit buffer (can be less than a full frame)
 
 #define TF_MAX_ID_LST   4 // Frame ID listener count
 #define TF_MAX_TYPE_LST 6 // Frame Type listener count
@@ -70,6 +70,7 @@
 // PLAT_LOCK_BTN - use a lock button instead of a lock jumper (push to toggle)
 // PLAT_LOCK_1CLOSED - lock jumper is active (closed / button pressed) in logical 1
 // PLAT_NO_AFNUM - legacy platform without numbered AF alternatives
+// PLAT_FULL_XTAL - use two-wire xtal attachment
 
 #if defined(GEX_PLAT_F103_BLUEPILL)
 
@@ -124,10 +125,8 @@
     #define STATUS_LED_PORT 'C'
     #define STATUS_LED_PIN  13
 
-#elif defined(GEX_PLAT_F072_DISCOVERY)
+#elif defined(STM32F072xB)
 
-    // platform name for the version string
-    #define GEX_PLATFORM "STM32F072-Discovery"
     #define PLAT_AHB_MHZ 48
     #define PLAT_APB1_MHZ 48
 
@@ -162,6 +161,10 @@
     // Number of GPIO ports A,B,C...
     #define PORTS_COUNT 6
 
+    #if defined(GEX_PLAT_F072_DISCOVERY)
+        // platform name for the version string
+        #define GEX_PLATFORM "STM32F072-Discovery"
+
         // Lock jumper config
         #define LOCK_JUMPER_PORT 'A'
         #define LOCK_JUMPER_PIN  0
@@ -171,6 +174,24 @@
         // Status LED config
         #define STATUS_LED_PORT 'C'
         #define STATUS_LED_PIN  6 // RED LED "UP"
+    #elif defined(GEX_PLAT_F072_HUB)
+        // platform name for the version string
+        #define GEX_PLATFORM "STM32F072-HUB"
+
+        #define PLAT_FULL_XTAL 1
+
+        // Lock jumper config
+        #define LOCK_JUMPER_PORT 'D'
+        #define LOCK_JUMPER_PIN  2
+        #define PLAT_LOCK_BTN 1 // toggle button instead of a jumper
+        #define PLAT_LOCK_1CLOSED 0 // toggle button active in log. 1
+
+        // Status LED config
+        #define STATUS_LED_PORT 'A'
+        #define STATUS_LED_PIN  15 // RED LED "UP"
+    #else
+        #error Bad platform
+    #endif
 
 #elif defined(GEX_PLAT_F303_DISCOVERY)
 

platform/plat_init.c

@@ -15,6 +15,7 @@
 #include "debug_uart.h"
 #include "irq_dispatcher.h"
 #include "timebase.h"
+#include "watchdog.h"
 
 void plat_init(void)
 {
@@ -39,4 +40,6 @@ void plat_init(void)
     settings_load(); // XXX maybe this should be moved to the main task
 
     comm_init();
+
+    wd_init();
 }

platform/platform.c

@@ -2,7 +2,7 @@
 // Created by MightyPork on 2017/11/26.
 //
 
-#include <units/fcap/unit_fcap.h>
+#include <units/dac/unit_dac.h>
 #include "platform.h"
 #include "usbd_core.h"
 #include "USB/usb_device.h"
@@ -19,6 +19,9 @@
 #include "units/usart/unit_usart.h"
 #include "units/spi/unit_spi.h"
 #include "units/sipo/unit_sipo.h"
+#include "units/fcap/unit_fcap.h"
+#include "units/touch/unit_touch.h"
+#include "units/simple_pwm/unit_pwmdim.h"
 #include "hw_utils.h"
 
 void plat_init_resources(void)
@@ -73,7 +76,7 @@ void plat_init_resources(void)
         // BOOT pin(s)
         rv |= rsc_claim(&UNIT_SYSTEM, R_PB2); // BOOT1
     }
-#elif defined(GEX_PLAT_F072_DISCOVERY)
+#elif defined(STM32F072xB)
     // Platform STM32F073RBT
 
     // Additional GPIO ports
@@ -90,6 +93,9 @@ void plat_init_resources(void)
     ureg_add_type(&UNIT_ADC);
     ureg_add_type(&UNIT_SIPO);
     ureg_add_type(&UNIT_FCAP);
+    ureg_add_type(&UNIT_TOUCH);
+    ureg_add_type(&UNIT_PWMDIM);
+    ureg_add_type(&UNIT_DAC);
 
     // Free all present resources
     {
@@ -98,7 +104,7 @@ void plat_init_resources(void)
 //        rsc_free_range(NULL, R_COMP1, R_COMP2);
         rsc_free(NULL, R_DAC1);
 //        rsc_free(NULL, R_HDMI_CEC);
-//        rsc_free(NULL, R_TSC);
+        rsc_free(NULL, R_TSC);
         rsc_free_range(NULL, R_I2C1, R_I2C2);
 //        rsc_free_range(NULL, R_I2S1, R_I2S2);
         rsc_free_range(NULL, R_SPI1, R_SPI2);
@@ -118,13 +124,17 @@ void plat_init_resources(void)
     // Claim resources not available due to board layout or internal usage
     {
         // HAL timebase
-        rv |= rsc_claim(&UNIT_SYSTEM, R_TIM1);
+        rv |= rsc_claim(&UNIT_SYSTEM, R_TIM17);
         // HSE crystal
         rv |= rsc_claim(&UNIT_SYSTEM, R_PF0);
-        //rv |= rsc_claim(&UNIT_SYSTEM, R_PF1); // - not used in BYPASS mode
+
+        #if PLAT_FULL_XTAL
+            rv |= rsc_claim(&UNIT_SYSTEM, R_PF1); // - not used in BYPASS mode
+        #endif
+
         // SWD
-        rv |= rsc_claim(&UNIT_SYSTEM, R_PA13);
+//        rv |= rsc_claim(&UNIT_SYSTEM, R_PA13);
-        rv |= rsc_claim(&UNIT_SYSTEM, R_PA14);
+//        rv |= rsc_claim(&UNIT_SYSTEM, R_PA14);
         // USB
         rv |= rsc_claim(&UNIT_SYSTEM, R_PA11);
         rv |= rsc_claim(&UNIT_SYSTEM, R_PA12);
@@ -154,7 +164,7 @@ void plat_init_resources(void)
         rsc_free_range(NULL, R_TIM1, R_TIM4);
         rsc_free_range(NULL, R_TIM6, R_TIM8);
         rsc_free_range(NULL, R_TIM15, R_TIM17);
-//        rsc_free(NULL, R_TSC);
+        rsc_free(NULL, R_TSC);
         rsc_free_range(NULL, R_USART1, R_USART5);
 
         rsc_free_range(NULL, R_PA0, R_PA15);

platform/status_led.c

@@ -50,13 +50,7 @@ static inline void led_off(void)
 /** Set up the LED */
 void Indicator_Init(void)
 {
-    bool suc = true;
+    assert_param(E_SUCCESS == rsc_claim_pin(&UNIT_SYSTEM, STATUS_LED_PORT, STATUS_LED_PIN));
-
-    // Resolve and claim resource
-    Resource rsc = hw_pin2resource(STATUS_LED_PORT, STATUS_LED_PIN, &suc);
-    assert_param(suc);
-
-    assert_param(E_SUCCESS == rsc_claim(&UNIT_SYSTEM, rsc));
 }
 
 /** Set indicator ON */
@@ -67,6 +61,12 @@ void Indicator_Effect(enum GEX_StatusIndicator indicator)
         led_on();
     }
 
+    // prevent the two disk ops interfering (happens in write-reload)
+    if (indicator == STATUS_DISK_BUSY && active_effect == STATUS_DISK_BUSY_SHORT) return;
+    if (indicator == STATUS_DISK_BUSY_SHORT && active_effect == STATUS_DISK_BUSY) return;
+
+    // TODO add some better protection against effect overlap?
+
     active_effect = indicator;
     effect_time = 0;
 }
@@ -125,7 +125,15 @@ void Indicator_Tick(void)
                 active_effect = STATUS_NONE;
             }
             else if (effect_time % 100 == 0) led_on();
-            else if (effect_time % 100 == 50) led_off();
+            else if (effect_time % 100 == 20) led_off();
+        }
+        else if (active_effect == STATUS_DISK_BUSY_SHORT) {
+            if (effect_time >= 200) {
+                led_off();
+                active_effect = STATUS_NONE;
+            }
+            else if (effect_time % 100 == 0) led_on();
+            else if (effect_time % 100 == 20) led_off();
         }
         else if (active_effect == STATUS_WELCOME) {
             if (effect_time == 0) led_on();

platform/status_led.h

@@ -16,6 +16,7 @@ enum GEX_StatusIndicator {
     STATUS_NONE = 0,
     STATUS_FAULT,
     STATUS_DISK_BUSY,
+    STATUS_DISK_BUSY_SHORT,
     STATUS_DISK_ATTACHED,
     STATUS_DISK_REMOVED,
     STATUS_WELCOME,

platform/timebase.c

@@ -7,8 +7,6 @@
 
 // ---------------------------- HAL TIMEBASE -----------------------------
 
-#define TIMEBASE_TIMER TIM17
-
 HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
 {
     // EDIT - used 17 instead because 14 was needed for fcap
@@ -102,21 +100,36 @@ uint64_t PTIM_GetMicrotime(void)
     return (uint64_t) uwMillis * 1000 + uwMicros;
 }
 
+
 /** microsecond delay */
-void PTIM_MicroDelay(uint16_t usec)
+void PTIM_MicroDelayAligned(uint32_t usec, register const uint32_t start)
 {
     assert_param(usec < 1000);
 
-    const uint16_t start = (uint16_t) TIMEBASE_TIMER->CNT;
+    register const uint32_t remain = (1000 - start);
-    const uint16_t remain = (uint16_t) (999 - start);
 
     if (remain > usec) {
         // timer still has enough space going forward to pass the required wait time
-        for (; TIMEBASE_TIMER->CNT < start + usec;);
+        register const uint32_t end = start + usec;
+        while (TIMEBASE_TIMER->CNT < end) {
+            __NOP();
+            __NOP();
+            __NOP();
+        }
+        return;
     }
     else {
         // timer is too close to the end
         usec -= remain;
-        for (; TIMEBASE_TIMER->CNT >= start || TIMEBASE_TIMER->CNT < usec;);
+        while (1) {
+            register const uint32_t t = TIMEBASE_TIMER->CNT;
+            if (t < start && t >= usec) return;
         }
     }
+}
+
+/** microsecond delay */
+void PTIM_MicroDelay(const uint32_t usec)
+{
+    PTIM_MicroDelayAligned(usec, TIMEBASE_TIMER->CNT);
+}

platform/timebase.h

@@ -13,6 +13,8 @@
 
 #include "platform.h"
 
+#define TIMEBASE_TIMER TIM17
+
 /**
  * Precision timer: get microtime as uint64_t
  * This timestamp should be monotonously increasing with a precision of ±0.5µs
@@ -36,6 +38,24 @@ static inline uint32_t PTIM_GetTime(void)
  *
  * @param usec - max 998
  */
-void PTIM_MicroDelay(uint16_t usec);
+void PTIM_MicroDelay(uint32_t usec);
+
+/**
+ * Microsecond busy delay with alignment (reduced length jitter but possible up to 1 us delay)
+ *
+ * @param usec
+ */
+void PTIM_MicroDelayAligned(uint32_t usec, uint32_t start);
+
+/**
+ * Wait until the next micro timer tick
+ */
+static inline uint32_t PTIM_MicroDelayAlign(void)
+{
+    const uint32_t c = TIMEBASE_TIMER->CNT;
+    uint32_t res;
+    while ((res = TIMEBASE_TIMER->CNT) == c);
+    return res;
+}
 
 #endif //GEX_F072_TIMEBASE_H

platform/watchdog.c

@@ -0,0 +1,57 @@
+//
+// Created by MightyPork on 2018/02/27.
+//
+
+#include "platform.h"
+#include "watchdog.h"
+
+static volatile uint16_t suspend_depth = 0;
+static volatile bool restart_pending = false;
+
+void wd_init(void)
+{
+    dbg("IWDG init, time 2s");
+
+    LL_IWDG_Enable(IWDG);
+    LL_IWDG_EnableWriteAccess(IWDG);
+    LL_IWDG_SetPrescaler(IWDG, LL_IWDG_PRESCALER_32); // 0.8 ms
+    LL_IWDG_SetReloadCounter(IWDG, 2500); // 2s.  max 4095
+    while (!LL_IWDG_IsReady(IWDG));
+
+    // reload
+    LL_IWDG_ReloadCounter(IWDG);
+}
+
+void wd_suspend(void)
+{
+    vPortEnterCritical();
+    if (suspend_depth < 0xFFFF) {
+        suspend_depth++;
+    }
+    vPortExitCritical();
+}
+
+void wd_resume(void)
+{
+    vPortEnterCritical();
+    if (suspend_depth > 0) {
+        suspend_depth--;
+
+        if (suspend_depth == 0 && restart_pending) {
+            restart_pending = false;
+            LL_IWDG_ReloadCounter(IWDG);
+        }
+    }
+    vPortExitCritical();
+}
+
+void wd_restart(void)
+{
+    vPortEnterCritical();
+    if (suspend_depth == 0) {
+        LL_IWDG_ReloadCounter(IWDG);
+    } else {
+        restart_pending = true;
+    }
+    vPortExitCritical();
+}

platform/watchdog.h

@@ -0,0 +1,32 @@
+//
+// Created by MightyPork on 2018/02/27.
+//
+
+#ifndef GEX_F072_WATCHDOG_H
+#define GEX_F072_WATCHDOG_H
+
+/**
+ * Initialize the application watchdog
+ */
+void wd_init(void);
+
+/**
+ * Suspend watchdog restarts until resumed
+ * (used in other tasks to prevent the main task clearing the wd if the other task is locked up)
+ *
+ * The suspend/resume calls can be stacked.
+ */
+void wd_suspend(void);
+
+/**
+ * Resume restarts
+ */
+void wd_resume(void);
+
+/**
+ * Restart the wd. If restarts are suspended, postpone the restart until resumed
+ * and then restart immediately.
+ */
+void wd_restart(void);
+
+#endif //GEX_F072_WATCHDOG_H

tasks/task_main.c

@@ -4,6 +4,7 @@
 
 #include "platform.h"
 #include "platform/lock_jumper.h"
+#include "platform/watchdog.h"
 #include "status_led.h"
 #include "utils/stacksmon.h"
 #include "vfs/vfs_manager.h"
@@ -12,8 +13,6 @@
 #include "usbd_msc.h"
 #include "task_main.h"
 
-extern void plat_init(void);
-
 /* TaskUsbEvent function */
 void TaskMain(void const * argument)
 {
@@ -47,6 +46,8 @@ void TaskMain(void const * argument)
 
             cnt++;
             Indicator_Heartbeat();
+
+            wd_restart();
         }
 
         // if no message and it just timed out, go wait some more...

tasks/task_msg.c

@@ -3,6 +3,7 @@
 //
 
 #include "platform.h"
+#include "platform/watchdog.h"
 #include "comm/messages.h"
 #include "task_msg.h"
 
@@ -85,7 +86,9 @@ void TaskMsgJob(const void *argument)
             #if CDC_LOOPBACK_TEST
                 TF_WriteImpl(comm, slot.msg.data, slot.msg.len);
             #else
+                wd_suspend();
                 TF_Accept(comm, slot.msg.data, slot.msg.len);
+                wd_resume();
             #endif
         }
 

units/1wire/_ow_init.c

@@ -14,15 +14,6 @@ error_t OW_preInit(Unit *unit)
     struct priv *priv = unit->data = calloc_ck(1, sizeof(struct priv));
     if (priv == NULL) return E_OUT_OF_MEM;
 
-    // the timer is not started until needed
-    priv->busyWaitTimer = xTimerCreate("1w_tim", // name
-                                       750,      // interval (will be changed when starting it)
-                                       true,     // periodic (we use this only for the polling variant, the one-shot will stop the timer in the CB)
-                                       unit,     // user data
-                                       OW_TimerCb); // callback
-
-    if (priv->busyWaitTimer == NULL) return E_OUT_OF_MEM;
-
     // some defaults
     priv->pin_number = 0;
     priv->port_name = 'A';
@@ -40,7 +31,7 @@ error_t OW_init(Unit *unit)
     // --- Parse config ---
     priv->ll_pin = hw_pin2ll(priv->pin_number, &suc);
     priv->port = hw_port2periph(priv->port_name, &suc);
-    Resource rsc = hw_pin2resource(priv->port_name, priv->pin_number, &suc);
+    Resource rsc = rsc_portpin2rsc(priv->port_name, priv->pin_number, &suc);
     if (!suc) return E_BAD_CONFIG;
 
     // --- Claim resources ---
@@ -63,9 +54,6 @@ void OW_deInit(Unit *unit)
     // Release all resources
     rsc_teardown(unit);
 
-    // Delete the software timer
-    assert_param(pdPASS == xTimerDelete(priv->busyWaitTimer, 1000));
-
     // Free memory
     free_ck(unit->data);
 }

units/1wire/_ow_settings.c

@@ -18,17 +18,15 @@ void OW_loadBinary(Unit *unit, PayloadParser *pp)
 
     priv->port_name = pp_char(pp);
     priv->pin_number = pp_u8(pp);
-    if (version >= 1) {
     priv->parasitic = pp_bool(pp);
 }
-}
 
 /** Write to a binary buffer for storing in Flash */
 void OW_writeBinary(Unit *unit, PayloadBuilder *pb)
 {
     struct priv *priv = unit->data;
 
-    pb_u8(pb, 1); // version
+    pb_u8(pb, 0); // version
 
     pb_char(pb, priv->port_name);
     pb_u8(pb, priv->pin_number);
@@ -44,10 +42,10 @@ error_t OW_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "pin")) {
-        suc = parse_pin(value, &priv->port_name, &priv->pin_number);
+        suc = cfg_portpin_parse(value, &priv->port_name, &priv->pin_number);
     }
     else if (streq(key, "parasitic")) {
-        priv->parasitic = str_parse_yn(value, &suc);
+        priv->parasitic = cfg_bool_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -66,5 +64,5 @@ void OW_writeIni(Unit *unit, IniWriter *iw)
     iw_entry(iw, "pin", "%c%d", priv->port_name,  priv->pin_number);
 
     iw_comment(iw, "Parasitic (bus-powered) mode");
-    iw_entry(iw, "parasitic", str_yn(priv->parasitic));
+    iw_entry_s(iw, "parasitic", str_yn(priv->parasitic));
 }

units/1wire/unit_1wire.c

@@ -38,12 +38,13 @@ static void OW_TimerRespCb(Job *job)
  *
  * @param xTimer
  */
-void OW_TimerCb(TimerHandle_t xTimer)
+void OW_tickHandler(Unit *unit)
 {
-    Unit *unit = pvTimerGetTimerID(xTimer);
-    assert_param(unit);
     struct priv *priv = unit->data;
-    assert_param(priv->busy);
+    if(!priv->busy) {
+        dbg("ow tick should be disabled now!");
+        return;
+    }
 
     if (priv->parasitic) {
         // this is the end of the 750ms measurement time
@@ -56,7 +57,8 @@ void OW_TimerCb(TimerHandle_t xTimer)
 
         uint32_t time = PTIM_GetTime();
         if (time - priv->busyStart > 1000) {
-            xTimerStop(xTimer, 100);
+            unit->tick_interval = 0;
+            unit->_tick_cnt = 0;
 
             Job j = {
                 .unit = unit,
@@ -69,7 +71,8 @@ void OW_TimerCb(TimerHandle_t xTimer)
 
     return;
 halt_ok:
-    xTimerStop(xTimer, 100);
+    unit->tick_interval = 0;
+    unit->_tick_cnt = 0;
 
     Job j = {
         .unit = unit,
@@ -79,7 +82,6 @@ halt_ok:
     scheduleJob(&j);
 }
 
-
 enum PinCmd_ {
     CMD_CHECK_PRESENCE = 0, // simply tests that any devices are attached
     CMD_SEARCH_ADDR = 1,    // perform a scan of the bus, retrieving all found device ROMs
@@ -87,7 +89,7 @@ enum PinCmd_ {
     CMD_SEARCH_CONTINUE = 3, // continue the previously started scan, retrieving more devices
     CMD_READ_ADDR = 4,      // read the ROM code from a single device (for single-device bus)
 
-    CMD_WRITE = 10,    // write multiple bytes using the SKIP_ROM command
+    CMD_QUERY = 10,    // write multiple bytes using the SKIP_ROM command
     CMD_READ = 11,   // write multiple bytes using a ROM address
 
     CMD_POLL_FOR_1 = 20,
@@ -120,13 +122,13 @@ static error_t OW_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, Pay
          */
         case CMD_POLL_FOR_1:
             // This can't be exposed via the UU API, due to being async
+            unit->_tick_cnt = 0;
+            unit->tick_interval = 750;
             if (priv->parasitic) {
-                assert_param(pdPASS == xTimerChangePeriod(priv->busyWaitTimer, 750, 100));
+                unit->tick_interval = 750;
             } else {
-                // every 10 ticks
+                unit->tick_interval = 10;
-                assert_param(pdPASS == xTimerChangePeriod(priv->busyWaitTimer, 10, 100));
             }
-            assert_param(pdPASS == xTimerStart(priv->busyWaitTimer, 100));
             priv->busy = true;
             priv->busyStart = PTIM_GetTime();
             priv->busyRequestId = frame_id;
@@ -192,7 +194,7 @@ static error_t OW_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, Pay
          * addr:u64, rest:write_data
          * if addr is 0, use SKIP_ROM
          */
-        case CMD_WRITE:
+        case CMD_QUERY:
             addr = pp_u64(pp);
             tail = pp_tail(pp, &remain);
             TRY(UU_1WIRE_Write(unit, addr, tail, remain));
@@ -242,4 +244,5 @@ const UnitDriver UNIT_1WIRE = {
     .deInit = OW_deInit,
     // Function
     .handleRequest = OW_handleRequest,
+    .updateTick = OW_tickHandler,
 };

units/adc/_adc_core.c

@@ -40,7 +40,8 @@ static void UADC_JobSendBlockChunk(Job *job)
         .len = (TF_LEN) (1 /*seq*/ + count * sizeof(uint16_t)),
         .type = type,
     };
-    TF_Respond_Multipart(comm, &msg);
+
+    assert_param(true == TF_Respond_Multipart(comm, &msg));
     TF_Multipart_Payload(comm, &priv->stream_serial, 1);
     TF_Multipart_Payload(comm, (uint8_t *) (priv->dma_buffer + start), count * sizeof(uint16_t));
     TF_Multipart_Close(comm);
@@ -171,7 +172,7 @@ static void handle_httc(Unit *unit, bool tc)
     const bool m_fixcpt = priv->opmode == ADC_OPMODE_BLCAP;
 
     if (ht) {
-        end = (priv->buf_itemcount / 2);
+        end = (priv->buf_itemcount >> 1); // div2
     }
     else {
         end = priv->buf_itemcount;
@@ -234,7 +235,7 @@ static void handle_httc(Unit *unit, bool tc)
         priv->stream_startpos = 0;
     }
     else {
-        priv->stream_startpos = priv->buf_itemcount / 2;
+        priv->stream_startpos = priv->buf_itemcount >> 1; // div2
     }
 }
 
@@ -289,7 +290,7 @@ void UADC_DMA_Handler(void *arg)
         const bool m_stream = priv->opmode == ADC_OPMODE_STREAM;
         const bool m_fixcpt = priv->opmode == ADC_OPMODE_BLCAP;
         if (m_trigd || m_stream || m_fixcpt) {
-            const uint32_t half = (uint32_t) (priv->buf_itemcount / 2);
+            const uint32_t half = (uint32_t) (priv->buf_itemcount >> 1); // div2
             if (ht && tc) {
                 // dual event interrupt - may happen if we missed both and they were pending after
                 // interrupts became enabled again (this can happen due to the EOS or other higher prio irq's)
@@ -336,8 +337,10 @@ void UADC_ADC_EOS_Handler(void *arg)
     if (priv->opmode == ADC_OPMODE_UNINIT) return;
 
     // Wait for the DMA to complete copying the last sample
-    uint32_t dmapos;
+    uint32_t dmapos = DMA_POS(priv);
+    if ((DMA_POS(priv) % priv->nb_channels) != 0) {
         hw_wait_while((dmapos = DMA_POS(priv)) % priv->nb_channels != 0, 100); // XXX this could be changed to reading it from the DR instead
+    }
 
     uint32_t sample_pos;
     if (dmapos == 0) {

units/adc/_adc_init.c

@@ -35,7 +35,7 @@ error_t UADC_SetSampleRate(Unit *unit, uint32_t hertz)
 
     uint16_t presc;
     uint32_t count;
-    if (!solve_timer(PLAT_APB1_HZ, hertz, true, &presc, &count, &priv->real_frequency)) {
+    if (!hw_solve_timer(PLAT_APB1_HZ, hertz, true, &presc, &count, &priv->real_frequency)) {
         dbg("Failed to resolve timer params.");
         return E_BAD_VALUE;
     }

units/adc/_adc_settings.c

@@ -48,20 +48,20 @@ error_t UADC_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "channels")) {
-        priv->cfg.channels = parse_pinmask(value, &suc);
+        priv->cfg.channels = cfg_pinmask_parse_32(value, &suc);
     }
     else if (streq(key, "sample_time")) {
-        priv->cfg.sample_time = (uint8_t) avr_atoi(value);
+        priv->cfg.sample_time = cfg_u8_parse(value, &suc);
         if (priv->cfg.sample_time > 7) return E_BAD_VALUE;
     }
     else if (streq(key, "frequency")) {
-        priv->cfg.frequency = (uint32_t) avr_atoi(value);
+        priv->cfg.frequency = cfg_u32_parse(value, &suc);
     }
     else if (streq(key, "buffer_size")) {
-        priv->cfg.buffer_size = (uint32_t) avr_atoi(value);
+        priv->cfg.buffer_size = cfg_u32_parse(value, &suc);
     }
     else if (streq(key, "avg_factor")) {
-        priv->cfg.averaging_factor = (uint16_t) avr_atoi(value);
+        priv->cfg.averaging_factor = cfg_u16_parse(value, &suc);
         if (priv->cfg.averaging_factor > 1000) return E_BAD_VALUE;
     }
     else {
@@ -80,14 +80,14 @@ void UADC_writeIni(Unit *unit, IniWriter *iw)
     iw_comment(iw, "Enabled channels, comma separated");
     iw_comment(iw, " 0  1  2  3  4  5  6  7    8  9   10 11 12 13 14 15   16    17");
     iw_comment(iw, "A0 A1 A2 A3 A4 A5 A6 A7   B0 B1   C0 C1 C2 C3 C4 C5   Tsens Vref");
-    iw_entry(iw, "channels", "%s", pinmask2str_up(priv->cfg.channels, unit_tmp512));
+    iw_entry_s(iw, "channels", cfg_pinmask_encode(priv->cfg.channels, unit_tmp512, true));
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Sampling time (0-7)");
-    iw_entry(iw, "sample_time", "%d", (int)priv->cfg.sample_time);
+    iw_entry_d(iw, "sample_time", priv->cfg.sample_time);
 
     iw_comment(iw, "Sampling frequency (Hz)");
-    iw_entry(iw, "frequency", "%d", (int)priv->cfg.frequency);
+    iw_entry_d(iw, "frequency", priv->cfg.frequency);
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Sample buffer size");
@@ -95,12 +95,12 @@ void UADC_writeIni(Unit *unit, IniWriter *iw)
     iw_comment(iw, "- defines the maximum pre-trigger size (divide by # of channels)");
     iw_comment(iw, "- captured data is sent in half-buffer chunks");
     iw_comment(iw, "- buffer overrun aborts the data capture");
-    iw_entry(iw, "buffer_size", "%d", (int)priv->cfg.buffer_size);
+    iw_entry_d(iw, "buffer_size", priv->cfg.buffer_size);
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Exponential averaging coefficient (permil, range 0-1000 ~ 0.000-1.000)");
     iw_comment(iw, "- used formula: y[t]=(1-k)*y[t-1]+k*u[t]");
     iw_comment(iw, "- not available when a capture is running");
-    iw_entry(iw, "avg_factor", "%d", priv->cfg.averaging_factor);
+    iw_entry_d(iw, "avg_factor", priv->cfg.averaging_factor);
 }
 

units/dac/_dac_api.c

@@ -0,0 +1,84 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+#include "unit_dac.h"
+
+#define DAC_INTERNAL
+#include "_dac_internal.h"
+
+/**
+ * Re-configure the
+ * @param unit
+ */
+void UDAC_Reconfigure(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    // back-up IT state
+    bool IT_enabled = (bool) LL_TIM_IsEnabledIT_UPDATE(priv->TIMx);
+    if (IT_enabled) {
+        LL_TIM_DisableIT_UPDATE(priv->TIMx);
+    }
+
+    // ...
+    DAC->CR &= ~(DAC_CR_EN1 | DAC_CR_EN2);
+
+    uint32_t CR = 0;
+    if (priv->cfg.ch[0].enable) {
+        CR |=
+            (priv->cfg.ch[0].buffered ? 0 : DAC_CR_BOFF1) |
+            (priv->ch[0].noise_type << DAC_CR_WAVE1_Pos) |
+            (priv->ch[0].noise_level & 0xF) << DAC_CR_MAMP1_Pos |
+            DAC_CR_TEN1 |
+            (0b111 << DAC_CR_TSEL1_Pos); // software trigger;
+
+        CR |= DAC_CR_EN1;
+    }
+
+    if (priv->cfg.ch[1].enable) {
+        CR |=
+            (priv->cfg.ch[1].buffered ? 0 : DAC_CR_BOFF2) |
+            (priv->ch[1].noise_type << DAC_CR_WAVE2_Pos) |
+            (priv->ch[1].noise_level & 0xF) << DAC_CR_MAMP2_Pos |
+            DAC_CR_TEN2 |
+            (0b111 << DAC_CR_TSEL2_Pos); // software trigger
+        CR |= DAC_CR_EN2;
+    }
+
+    DAC->CR = CR;
+    // ...
+
+    if (IT_enabled) {
+        LL_TIM_EnableIT_UPDATE(priv->TIMx);
+    }
+}
+
+error_t UDAC_SetFreq(Unit *unit, int channel, float freq)
+{
+    struct priv *priv = unit->data;
+
+    priv->ch[channel].increment = (uint32_t) roundf(25.0f * freq * UDAC_VALUE_COUNT * // FIXME constant seems derived from the divide ...?
+                                                        ((float)UDAC_TIM_FREQ_DIVIDER / PLAT_AHB_MHZ)
+    );
+
+//    dbg("Ch %d: Computed increment: %d", channel+1, (int)priv->ch[channel].increment);
+
+    return E_SUCCESS;
+}
+
+void UDAC_ToggleTimerIfNeeded(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    if (priv->ch[0].waveform == UDAC_WAVE_DC && priv->ch[1].waveform == UDAC_WAVE_DC) {
+        LL_TIM_DisableCounter(priv->TIMx);
+
+        // manually call the interrupt function to update the level
+        UDAC_HandleIT(unit);
+    } else {
+        LL_TIM_EnableCounter(priv->TIMx);
+    }
+}

units/dac/_dac_core.c

@@ -0,0 +1,392 @@
+//
+// Created by MightyPork on 2018/03/10.
+//
+
+#include "platform.h"
+#include "unit_dac.h"
+
+#define DAC_INTERNAL
+#include "_dac_internal.h"
+
+
+#pragma GCC push_options
+#pragma GCC optimize ("O2")
+void UDAC_HandleIT(void *arg)
+{
+    Unit *unit = arg;
+    struct priv *priv = unit->data;
+    LL_TIM_ClearFlag_UPDATE(priv->TIMx);
+
+    // TODO optimize to allow faster update speed
+
+    uint16_t vals[2];
+    for (int i = 0; i < 2; i++) {
+        struct udac_channel_live *const ch = &priv->ch[i];
+
+        if (ch->waveform == UDAC_WAVE_DC) {
+            // skip the whole counter thing for DC
+            vals[i] = ch->dc_level;
+            continue;
+        }
+
+        ch->counter += ch->increment;
+        const uint16_t index = (uint16_t) (ch->counter >> UDAC_INDEX_SHIFT);
+
+        switch (ch->waveform) {
+            case UDAC_WAVE_SINE: {
+                const uint32_t phase = index >> (UDAC_INDEX_WIDTH - 2);
+
+                uint32_t pos = (uint32_t) index & (((1<<(UDAC_INDEX_WIDTH - 2)) - 1));
+
+                if (phase & 0b01) {
+                    // 2nd and 4th quarter (01, 11)
+                    pos = (UDAC_VALUE_COUNT/4 - 1) - pos;
+                }
+
+                uint32_t value;
+
+                /* unpack */
+                const uint32_t nthbyte = (pos * 3) / 2;
+                const uint8_t topbyte = LUT_sine_8192_quad_packed[nthbyte];
+                const uint8_t botbyte = LUT_sine_8192_quad_packed[nthbyte + 1];
+                if (pos & 1) {
+                    // odd index
+                    value = (uint32_t) (((topbyte & 0xF) << 8) | botbyte);
+                }
+                else {
+                    value = (uint32_t) ((topbyte << 4) | ((botbyte & 0xF0) >> 4));
+                }
+                /* end unpack -> value */
+
+                if (phase & 0b10) {
+                    // 3rd and 4th quarter (10, 11)
+                    value = 2047 - value;
+                }
+                else {
+                    // 1st and 2nd quarter (00, 01)
+                    value = 2048 + value;
+                }
+
+                vals[i] = (uint16_t) value;
+
+                break;
+            }
+
+            case UDAC_WAVE_RECTANGLE:
+                if (index < ch->rectangle_ontime) {
+                    vals[i] = ch->rectangle_high;
+                } else {
+                    vals[i] = ch->rectangle_low;
+                }
+                break;
+
+            case UDAC_WAVE_SAWTOOTH_UP:
+                vals[i] = (uint16_t) (index / 2); // for 8192 steps, this will produce 0-4095
+                break;
+
+            case UDAC_WAVE_SAWTOOTH_DOWN:
+                vals[i] = (uint16_t) (4095 - (index / 2)); // for 8192 steps, this will produce 0-4095
+                break;
+
+            case UDAC_WAVE_TRIANGLE: {
+                if (index < 4096) {
+                    vals[i] = index;
+                }
+                else {
+                    vals[i] = (uint16_t) (8191 - index);
+                }
+                break;
+            }
+
+            default:
+                vals[i] = 0; // this shouldn't happen
+                break;
+        } // end select waveform
+    } // end for 0,1
+
+    DAC->DHR12RD = (vals[1] << 16) | vals[0];
+
+    // Trigger a conversion
+    DAC->SWTRIGR = (DAC_SWTR_CH1 | DAC_SWTR_CH2);
+}
+#pragma GCC pop_options
+
+
+/**
+ * This is the first 1/4 of a 12-bit sine wave sampled in 8192 points, each two points packed into three bytes (saves 1/4 of space used by uint16_t's)
+ * The array holds 2048 data points which can be easily offset / flipped to cover the entire waveform.
+ *
+ * |<-->|
+ *    _---_
+ *   /     \
+ *  /       \
+ * /---------\---------/
+ *            \       /
+ *             \_   _/
+ *               ---
+ */
+#if 0 // this is rail to rail, but the dac doesn't work well at the rails and it gets flattened
+const uint8_t LUT_sine_8192_quad_packed[] = {
+    0x00, 0x00, 0x02, 0x00, 0x30, 0x05, 0x00, 0x60, 0x08, 0x00, 0x90, 0x0B, 0x00, 0xD0, 0x0E, 0x01, 0x00, 0x11, 0x01, 0x30, 0x14, 0x01, 0x60, 0x18,
+    0x01, 0x90, 0x1B, 0x01, 0xC0, 0x1E, 0x01, 0xF0, 0x21, 0x02, 0x30, 0x24, 0x02, 0x60, 0x27, 0x02, 0x90, 0x2A, 0x02, 0xC0, 0x2E, 0x02, 0xF0, 0x31,
+    0x03, 0x20, 0x34, 0x03, 0x50, 0x37, 0x03, 0x90, 0x3A, 0x03, 0xC0, 0x3D, 0x03, 0xF0, 0x40, 0x04, 0x20, 0x43, 0x04, 0x50, 0x47, 0x04, 0x80, 0x4A,
+    0x04, 0xB0, 0x4D, 0x04, 0xE0, 0x50, 0x05, 0x20, 0x53, 0x05, 0x50, 0x56, 0x05, 0x80, 0x59, 0x05, 0xB0, 0x5D, 0x05, 0xE0, 0x60, 0x06, 0x10, 0x63,
+    0x06, 0x40, 0x66, 0x06, 0x80, 0x69, 0x06, 0xB0, 0x6C, 0x06, 0xE0, 0x6F, 0x07, 0x10, 0x73, 0x07, 0x40, 0x76, 0x07, 0x70, 0x79, 0x07, 0xA0, 0x7C,
+    0x07, 0xE0, 0x7F, 0x08, 0x10, 0x82, 0x08, 0x40, 0x85, 0x08, 0x70, 0x88, 0x08, 0xA0, 0x8C, 0x08, 0xD0, 0x8F, 0x09, 0x00, 0x92, 0x09, 0x30, 0x95,
+    0x09, 0x70, 0x98, 0x09, 0xA0, 0x9B, 0x09, 0xD0, 0x9E, 0x0A, 0x00, 0xA2, 0x0A, 0x30, 0xA5, 0x0A, 0x60, 0xA8, 0x0A, 0x90, 0xAB, 0x0A, 0xC0, 0xAE,
+    0x0B, 0x00, 0xB1, 0x0B, 0x30, 0xB4, 0x0B, 0x60, 0xB7, 0x0B, 0x90, 0xBB, 0x0B, 0xC0, 0xBE, 0x0B, 0xF0, 0xC1, 0x0C, 0x20, 0xC4, 0x0C, 0x60, 0xC7,
+    0x0C, 0x90, 0xCA, 0x0C, 0xC0, 0xCD, 0x0C, 0xF0, 0xD0, 0x0D, 0x20, 0xD4, 0x0D, 0x50, 0xD7, 0x0D, 0x80, 0xDA, 0x0D, 0xB0, 0xDD, 0x0D, 0xF0, 0xE0,
+    0x0E, 0x20, 0xE3, 0x0E, 0x50, 0xE6, 0x0E, 0x80, 0xE9, 0x0E, 0xB0, 0xED, 0x0E, 0xE0, 0xF0, 0x0F, 0x10, 0xF3, 0x0F, 0x40, 0xF6, 0x0F, 0x70, 0xF9,
+    0x0F, 0xB0, 0xFC, 0x0F, 0xE0, 0xFF, 0x10, 0x11, 0x02, 0x10, 0x41, 0x05, 0x10, 0x71, 0x09, 0x10, 0xA1, 0x0C, 0x10, 0xD1, 0x0F, 0x11, 0x01, 0x12,
+    0x11, 0x31, 0x15, 0x11, 0x71, 0x18, 0x11, 0xA1, 0x1B, 0x11, 0xD1, 0x1E, 0x12, 0x01, 0x21, 0x12, 0x31, 0x25, 0x12, 0x61, 0x28, 0x12, 0x91, 0x2B,
+    0x12, 0xC1, 0x2E, 0x12, 0xF1, 0x31, 0x13, 0x31, 0x34, 0x13, 0x61, 0x37, 0x13, 0x91, 0x3A, 0x13, 0xC1, 0x3D, 0x13, 0xF1, 0x41, 0x14, 0x21, 0x44,
+    0x14, 0x51, 0x47, 0x14, 0x81, 0x4A, 0x14, 0xB1, 0x4D, 0x14, 0xE1, 0x50, 0x15, 0x21, 0x53, 0x15, 0x51, 0x56, 0x15, 0x81, 0x59, 0x15, 0xB1, 0x5C,
+    0x15, 0xE1, 0x60, 0x16, 0x11, 0x63, 0x16, 0x41, 0x66, 0x16, 0x71, 0x69, 0x16, 0xA1, 0x6C, 0x16, 0xD1, 0x6F, 0x17, 0x11, 0x72, 0x17, 0x41, 0x75,
+    0x17, 0x71, 0x78, 0x17, 0xA1, 0x7B, 0x17, 0xD1, 0x7E, 0x18, 0x01, 0x81, 0x18, 0x31, 0x85, 0x18, 0x61, 0x88, 0x18, 0x91, 0x8B, 0x18, 0xC1, 0x8E,
+    0x18, 0xF1, 0x91, 0x19, 0x21, 0x94, 0x19, 0x61, 0x97, 0x19, 0x91, 0x9A, 0x19, 0xC1, 0x9D, 0x19, 0xF1, 0xA0, 0x1A, 0x21, 0xA3, 0x1A, 0x51, 0xA6,
+    0x1A, 0x81, 0xA9, 0x1A, 0xB1, 0xAD, 0x1A, 0xE1, 0xB0, 0x1B, 0x11, 0xB3, 0x1B, 0x41, 0xB6, 0x1B, 0x71, 0xB9, 0x1B, 0xA1, 0xBC, 0x1B, 0xD1, 0xBF,
+    0x1C, 0x11, 0xC2, 0x1C, 0x41, 0xC5, 0x1C, 0x71, 0xC8, 0x1C, 0xA1, 0xCB, 0x1C, 0xD1, 0xCE, 0x1D, 0x01, 0xD1, 0x1D, 0x31, 0xD4, 0x1D, 0x61, 0xD7,
+    0x1D, 0x91, 0xDB, 0x1D, 0xC1, 0xDE, 0x1D, 0xF1, 0xE1, 0x1E, 0x21, 0xE4, 0x1E, 0x51, 0xE7, 0x1E, 0x81, 0xEA, 0x1E, 0xB1, 0xED, 0x1E, 0xE1, 0xF0,
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+    0x74, 0xF7, 0x50, 0x75, 0x17, 0x51, 0x75, 0x27, 0x53, 0x75, 0x37, 0x54, 0x75, 0x47, 0x55, 0x75, 0x67, 0x56, 0x75, 0x77, 0x58, 0x75, 0x87, 0x59,
+    0x75, 0x97, 0x5A, 0x75, 0xB7, 0x5B, 0x75, 0xC7, 0x5D, 0x75, 0xD7, 0x5E, 0x75, 0xE7, 0x5F, 0x76, 0x07, 0x60, 0x76, 0x17, 0x61, 0x76, 0x27, 0x63,
+    0x76, 0x37, 0x64, 0x76, 0x47, 0x65, 0x76, 0x67, 0x66, 0x76, 0x77, 0x67, 0x76, 0x87, 0x69, 0x76, 0x97, 0x6A, 0x76, 0xA7, 0x6B, 0x76, 0xB7, 0x6C,
+    0x76, 0xD7, 0x6D, 0x76, 0xE7, 0x6E, 0x76, 0xF7, 0x70, 0x77, 0x07, 0x71, 0x77, 0x17, 0x72, 0x77, 0x27, 0x73, 0x77, 0x47, 0x74, 0x77, 0x57, 0x75,
+    0x77, 0x67, 0x76, 0x77, 0x77, 0x78, 0x77, 0x87, 0x79, 0x77, 0x97, 0x7A, 0x77, 0xA7, 0x7B, 0x77, 0xB7, 0x7C, 0x77, 0xD7, 0x7D, 0x77, 0xE7, 0x7E,
+    0x77, 0xF7, 0x7F, 0x78, 0x07, 0x80, 0x78, 0x17, 0x81, 0x78, 0x27, 0x83, 0x78, 0x37, 0x84, 0x78, 0x47, 0x85, 0x78, 0x57, 0x86, 0x78, 0x67, 0x87,
+    0x78, 0x77, 0x88, 0x78, 0x87, 0x89, 0x78, 0x97, 0x8A, 0x78, 0xA7, 0x8B, 0x78, 0xC7, 0x8C, 0x78, 0xD7, 0x8D, 0x78, 0xE7, 0x8E, 0x78, 0xF7, 0x8F,
+    0x79, 0x07, 0x90, 0x79, 0x17, 0x91, 0x79, 0x27, 0x92, 0x79, 0x37, 0x93, 0x79, 0x47, 0x94, 0x79, 0x57, 0x95, 0x79, 0x67, 0x96, 0x79, 0x77, 0x97,
+    0x79, 0x87, 0x98, 0x79, 0x97, 0x99, 0x79, 0xA7, 0x9A, 0x79, 0xB7, 0x9B, 0x79, 0xC7, 0x9C, 0x79, 0xD7, 0x9D, 0x79, 0xE7, 0x9E, 0x79, 0xE7, 0x9F,
+    0x79, 0xF7, 0xA0, 0x7A, 0x07, 0xA1, 0x7A, 0x17, 0xA2, 0x7A, 0x27, 0xA3, 0x7A, 0x37, 0xA4, 0x7A, 0x47, 0xA5, 0x7A, 0x57, 0xA5, 0x7A, 0x67, 0xA6,
+    0x7A, 0x77, 0xA7, 0x7A, 0x87, 0xA8, 0x7A, 0x97, 0xA9, 0x7A, 0xA7, 0xAA, 0x7A, 0xA7, 0xAB, 0x7A, 0xB7, 0xAC, 0x7A, 0xC7, 0xAD, 0x7A, 0xD7, 0xAE,
+    0x7A, 0xE7, 0xAE, 0x7A, 0xF7, 0xAF, 0x7B, 0x07, 0xB0, 0x7B, 0x17, 0xB1, 0x7B, 0x17, 0xB2, 0x7B, 0x27, 0xB3, 0x7B, 0x37, 0xB4, 0x7B, 0x47, 0xB4,
+    0x7B, 0x57, 0xB5, 0x7B, 0x67, 0xB6, 0x7B, 0x77, 0xB7, 0x7B, 0x77, 0xB8, 0x7B, 0x87, 0xB9, 0x7B, 0x97, 0xB9, 0x7B, 0xA7, 0xBA, 0x7B, 0xB7, 0xBB,
+    0x7B, 0xB7, 0xBC, 0x7B, 0xC7, 0xBD, 0x7B, 0xD7, 0xBD, 0x7B, 0xE7, 0xBE, 0x7B, 0xF7, 0xBF, 0x7B, 0xF7, 0xC0, 0x7C, 0x07, 0xC1, 0x7C, 0x17, 0xC1,
+    0x7C, 0x27, 0xC2, 0x7C, 0x27, 0xC3, 0x7C, 0x37, 0xC4, 0x7C, 0x47, 0xC4, 0x7C, 0x57, 0xC5, 0x7C, 0x57, 0xC6, 0x7C, 0x67, 0xC7, 0x7C, 0x77, 0xC7,
+    0x7C, 0x87, 0xC8, 0x7C, 0x87, 0xC9, 0x7C, 0x97, 0xC9, 0x7C, 0xA7, 0xCA, 0x7C, 0xA7, 0xCB, 0x7C, 0xB7, 0xCC, 0x7C, 0xC7, 0xCC, 0x7C, 0xD7, 0xCD,
+    0x7C, 0xD7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x17, 0xD1, 0x7D, 0x17, 0xD2, 0x7D, 0x27, 0xD2,
+    0x7D, 0x37, 0xD3, 0x7D, 0x37, 0xD4, 0x7D, 0x47, 0xD4, 0x7D, 0x57, 0xD5, 0x7D, 0x57, 0xD5, 0x7D, 0x67, 0xD6, 0x7D, 0x67, 0xD7, 0x7D, 0x77, 0xD7,
+    0x7D, 0x87, 0xD8, 0x7D, 0x87, 0xD9, 0x7D, 0x97, 0xD9, 0x7D, 0x97, 0xDA, 0x7D, 0xA7, 0xDA, 0x7D, 0xB7, 0xDB, 0x7D, 0xB7, 0xDC, 0x7D, 0xC7, 0xDC,
+    0x7D, 0xC7, 0xDD, 0x7D, 0xD7, 0xDD, 0x7D, 0xE7, 0xDE, 0x7D, 0xE7, 0xDE, 0x7D, 0xF7, 0xDF, 0x7D, 0xF7, 0xE0, 0x7E, 0x07, 0xE0, 0x7E, 0x07, 0xE1,
+    0x7E, 0x17, 0xE1, 0x7E, 0x17, 0xE2, 0x7E, 0x27, 0xE2, 0x7E, 0x27, 0xE3, 0x7E, 0x37, 0xE3, 0x7E, 0x37, 0xE4, 0x7E, 0x47, 0xE4, 0x7E, 0x57, 0xE5,
+    0x7E, 0x57, 0xE5, 0x7E, 0x67, 0xE6, 0x7E, 0x67, 0xE6, 0x7E, 0x67, 0xE7, 0x7E, 0x77, 0xE7, 0x7E, 0x77, 0xE8, 0x7E, 0x87, 0xE8, 0x7E, 0x87, 0xE9,
+    0x7E, 0x97, 0xE9, 0x7E, 0x97, 0xEA, 0x7E, 0xA7, 0xEA, 0x7E, 0xA7, 0xEA, 0x7E, 0xB7, 0xEB, 0x7E, 0xB7, 0xEB, 0x7E, 0xC7, 0xEC, 0x7E, 0xC7, 0xEC,
+    0x7E, 0xC7, 0xED, 0x7E, 0xD7, 0xED, 0x7E, 0xD7, 0xED, 0x7E, 0xE7, 0xEE, 0x7E, 0xE7, 0xEE, 0x7E, 0xE7, 0xEF, 0x7E, 0xF7, 0xEF, 0x7E, 0xF7, 0xEF,
+    0x7F, 0x07, 0xF0, 0x7F, 0x07, 0xF0, 0x7F, 0x07, 0xF1, 0x7F, 0x17, 0xF1, 0x7F, 0x17, 0xF1, 0x7F, 0x17, 0xF2, 0x7F, 0x27, 0xF2, 0x7F, 0x27, 0xF2,
+    0x7F, 0x37, 0xF3, 0x7F, 0x37, 0xF3, 0x7F, 0x37, 0xF3, 0x7F, 0x47, 0xF4, 0x7F, 0x47, 0xF4, 0x7F, 0x47, 0xF4, 0x7F, 0x57, 0xF5, 0x7F, 0x57, 0xF5,
+    0x7F, 0x57, 0xF5, 0x7F, 0x57, 0xF6, 0x7F, 0x67, 0xF6, 0x7F, 0x67, 0xF6, 0x7F, 0x67, 0xF6, 0x7F, 0x77, 0xF7, 0x7F, 0x77, 0xF7, 0x7F, 0x77, 0xF7,
+    0x7F, 0x77, 0xF8, 0x7F, 0x87, 0xF8, 0x7F, 0x87, 0xF8, 0x7F, 0x87, 0xF8, 0x7F, 0x87, 0xF9, 0x7F, 0x97, 0xF9, 0x7F, 0x97, 0xF9, 0x7F, 0x97, 0xF9,
+    0x7F, 0x97, 0xFA, 0x7F, 0xA7, 0xFA, 0x7F, 0xA7, 0xFA, 0x7F, 0xA7, 0xFA, 0x7F, 0xA7, 0xFA, 0x7F, 0xB7, 0xFB, 0x7F, 0xB7, 0xFB, 0x7F, 0xB7, 0xFB,
+    0x7F, 0xB7, 0xFB, 0x7F, 0xB7, 0xFB, 0x7F, 0xC7, 0xFC, 0x7F, 0xC7, 0xFC, 0x7F, 0xC7, 0xFC, 0x7F, 0xC7, 0xFC, 0x7F, 0xC7, 0xFC, 0x7F, 0xC7, 0xFC,
+    0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFD, 0x7F, 0xD7, 0xFE,
+    0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE,
+    0x7F, 0xE7, 0xFE, 0x7F, 0xE7, 0xFE, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF,
+    0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF, 0x7F, 0xF7, 0xFF,
+};
+#else
+// range 2000
+const uint8_t LUT_sine_8192_quad_packed[3072] = {
+    0x00, 0x00, 0x02, 0x00, 0x30, 0x05, 0x00, 0x60, 0x08, 0x00, 0x90, 0x0B, 0x00, 0xC0, 0x0E, 0x00, 0xF0, 0x11, 0x01, 0x20, 0x14, 0x01, 0x50, 0x17,
+    0x01, 0x90, 0x1A, 0x01, 0xC0, 0x1D, 0x01, 0xF0, 0x20, 0x02, 0x20, 0x23, 0x02, 0x50, 0x26, 0x02, 0x80, 0x29, 0x02, 0xB0, 0x2C, 0x02, 0xE0, 0x30,
+    0x03, 0x10, 0x33, 0x03, 0x40, 0x36, 0x03, 0x70, 0x39, 0x03, 0xA0, 0x3C, 0x03, 0xD0, 0x3F, 0x04, 0x00, 0x42, 0x04, 0x30, 0x45, 0x04, 0x70, 0x48,
+    0x04, 0xA0, 0x4B, 0x04, 0xD0, 0x4E, 0x05, 0x00, 0x51, 0x05, 0x30, 0x54, 0x05, 0x60, 0x57, 0x05, 0x90, 0x5A, 0x05, 0xC0, 0x5E, 0x05, 0xF0, 0x61,
+    0x06, 0x20, 0x64, 0x06, 0x50, 0x67, 0x06, 0x80, 0x6A, 0x06, 0xB0, 0x6D, 0x06, 0xE0, 0x70, 0x07, 0x10, 0x73, 0x07, 0x50, 0x76, 0x07, 0x80, 0x79,
+    0x07, 0xB0, 0x7C, 0x07, 0xE0, 0x7F, 0x08, 0x10, 0x82, 0x08, 0x40, 0x85, 0x08, 0x70, 0x88, 0x08, 0xA0, 0x8B, 0x08, 0xD0, 0x8F, 0x09, 0x00, 0x92,
+    0x09, 0x30, 0x95, 0x09, 0x60, 0x98, 0x09, 0x90, 0x9B, 0x09, 0xC0, 0x9E, 0x09, 0xF0, 0xA1, 0x0A, 0x20, 0xA4, 0x0A, 0x50, 0xA7, 0x0A, 0x90, 0xAA,
+    0x0A, 0xC0, 0xAD, 0x0A, 0xF0, 0xB0, 0x0B, 0x20, 0xB3, 0x0B, 0x50, 0xB6, 0x0B, 0x80, 0xB9, 0x0B, 0xB0, 0xBC, 0x0B, 0xE0, 0xBF, 0x0C, 0x10, 0xC3,
+    0x0C, 0x40, 0xC6, 0x0C, 0x70, 0xC9, 0x0C, 0xA0, 0xCC, 0x0C, 0xD0, 0xCF, 0x0D, 0x00, 0xD2, 0x0D, 0x30, 0xD5, 0x0D, 0x60, 0xD8, 0x0D, 0x90, 0xDB,
+    0x0D, 0xC0, 0xDE, 0x0D, 0xF0, 0xE1, 0x0E, 0x30, 0xE4, 0x0E, 0x60, 0xE7, 0x0E, 0x90, 0xEA, 0x0E, 0xC0, 0xED, 0x0E, 0xF0, 0xF0, 0x0F, 0x20, 0xF3,
+    0x0F, 0x50, 0xF6, 0x0F, 0x80, 0xF9, 0x0F, 0xB0, 0xFC, 0x0F, 0xE0, 0xFF, 0x10, 0x11, 0x03, 0x10, 0x41, 0x06, 0x10, 0x71, 0x09, 0x10, 0xA1, 0x0C,
+    0x10, 0xD1, 0x0F, 0x11, 0x01, 0x12, 0x11, 0x31, 0x15, 0x11, 0x61, 0x18, 0x11, 0x91, 0x1B, 0x11, 0xC1, 0x1E, 0x11, 0xF1, 0x21, 0x12, 0x21, 0x24,
+    0x12, 0x51, 0x27, 0x12, 0x81, 0x2A, 0x12, 0xC1, 0x2D, 0x12, 0xF1, 0x30, 0x13, 0x21, 0x33, 0x13, 0x51, 0x36, 0x13, 0x81, 0x39, 0x13, 0xB1, 0x3C,
+    0x13, 0xE1, 0x3F, 0x14, 0x11, 0x42, 0x14, 0x41, 0x45, 0x14, 0x71, 0x48, 0x14, 0xA1, 0x4B, 0x14, 0xD1, 0x4E, 0x15, 0x01, 0x51, 0x15, 0x31, 0x54,
+    0x15, 0x61, 0x57, 0x15, 0x91, 0x5A, 0x15, 0xC1, 0x5D, 0x15, 0xF1, 0x60, 0x16, 0x21, 0x64, 0x16, 0x51, 0x67, 0x16, 0x81, 0x6A, 0x16, 0xB1, 0x6D,
+    0x16, 0xE1, 0x70, 0x17, 0x11, 0x73, 0x17, 0x41, 0x76, 0x17, 0x71, 0x79, 0x17, 0xA1, 0x7C, 0x17, 0xD1, 0x7F, 0x18, 0x01, 0x82, 0x18, 0x31, 0x85,
+    0x18, 0x61, 0x88, 0x18, 0x91, 0x8B, 0x18, 0xC1, 0x8E, 0x18, 0xF1, 0x91, 0x19, 0x21, 0x94, 0x19, 0x51, 0x97, 0x19, 0x81, 0x9A, 0x19, 0xB1, 0x9D,
+    0x19, 0xE1, 0xA0, 0x1A, 0x11, 0xA3, 0x1A, 0x41, 0xA6, 0x1A, 0x71, 0xA9, 0x1A, 0xA1, 0xAC, 0x1A, 0xD1, 0xAF, 0x1B, 0x01, 0xB2, 0x1B, 0x31, 0xB5,
+    0x1B, 0x61, 0xB8, 0x1B, 0x91, 0xBB, 0x1B, 0xC1, 0xBE, 0x1B, 0xF1, 0xC1, 0x1C, 0x21, 0xC4, 0x1C, 0x51, 0xC7, 0x1C, 0x81, 0xCA, 0x1C, 0xB1, 0xCD,
+    0x1C, 0xE1, 0xD0, 0x1D, 0x11, 0xD3, 0x1D, 0x41, 0xD6, 0x1D, 0x71, 0xD9, 0x1D, 0xA1, 0xDC, 0x1D, 0xD1, 0xDF, 0x1E, 0x01, 0xE1, 0x1E, 0x31, 0xE4,
+    0x1E, 0x61, 0xE7, 0x1E, 0x91, 0xEA, 0x1E, 0xC1, 0xED, 0x1E, 0xF1, 0xF0, 0x1F, 0x21, 0xF3, 0x1F, 0x51, 0xF6, 0x1F, 0x81, 0xF9, 0x1F, 0xB1, 0xFC,
+    0x1F, 0xE1, 0xFF, 0x20, 0x12, 0x02, 0x20, 0x42, 0x05, 0x20, 0x72, 0x08, 0x20, 0xA2, 0x0B, 0x20, 0xD2, 0x0E, 0x21, 0x02, 0x11, 0x21, 0x22, 0x14,
+    0x21, 0x52, 0x17, 0x21, 0x82, 0x1A, 0x21, 0xB2, 0x1D, 0x21, 0xE2, 0x20, 0x22, 0x12, 0x23, 0x22, 0x42, 0x26, 0x22, 0x72, 0x29, 0x22, 0xA2, 0x2C,
+    0x22, 0xD2, 0x2F, 0x23, 0x02, 0x31, 0x23, 0x32, 0x34, 0x23, 0x62, 0x37, 0x23, 0x92, 0x3A, 0x23, 0xC2, 0x3D, 0x23, 0xF2, 0x40, 0x24, 0x22, 0x43,
+    0x24, 0x52, 0x46, 0x24, 0x82, 0x49, 0x24, 0xA2, 0x4C, 0x24, 0xD2, 0x4F, 0x25, 0x02, 0x52, 0x25, 0x32, 0x55, 0x25, 0x62, 0x58, 0x25, 0x92, 0x5B,
+    0x25, 0xC2, 0x5D, 0x25, 0xF2, 0x60, 0x26, 0x22, 0x63, 0x26, 0x52, 0x66, 0x26, 0x82, 0x69, 0x26, 0xB2, 0x6C, 0x26, 0xE2, 0x6F, 0x27, 0x02, 0x72,
+    0x27, 0x32, 0x75, 0x27, 0x62, 0x78, 0x27, 0x92, 0x7B, 0x27, 0xC2, 0x7E, 0x27, 0xF2, 0x80, 0x28, 0x22, 0x83, 0x28, 0x52, 0x86, 0x28, 0x82, 0x89,
+    0x28, 0xB2, 0x8C, 0x28, 0xE2, 0x8F, 0x29, 0x02, 0x92, 0x29, 0x32, 0x95, 0x29, 0x62, 0x98, 0x29, 0x92, 0x9B, 0x29, 0xC2, 0x9D, 0x29, 0xF2, 0xA0,
+    0x2A, 0x22, 0xA3, 0x2A, 0x52, 0xA6, 0x2A, 0x82, 0xA9, 0x2A, 0xA2, 0xAC, 0x2A, 0xD2, 0xAF, 0x2B, 0x02, 0xB2, 0x2B, 0x32, 0xB5, 0x2B, 0x62, 0xB7,
+    0x2B, 0x92, 0xBA, 0x2B, 0xC2, 0xBD, 0x2B, 0xF2, 0xC0, 0x2C, 0x12, 0xC3, 0x2C, 0x42, 0xC6, 0x2C, 0x72, 0xC9, 0x2C, 0xA2, 0xCB, 0x2C, 0xD2, 0xCE,
+    0x2D, 0x02, 0xD1, 0x2D, 0x32, 0xD4, 0x2D, 0x62, 0xD7, 0x2D, 0x82, 0xDA, 0x2D, 0xB2, 0xDD, 0x2D, 0xE2, 0xE0, 0x2E, 0x12, 0xE2, 0x2E, 0x42, 0xE5,
+    0x2E, 0x72, 0xE8, 0x2E, 0x92, 0xEB, 0x2E, 0xC2, 0xEE, 0x2E, 0xF2, 0xF1, 0x2F, 0x22, 0xF3, 0x2F, 0x52, 0xF6, 0x2F, 0x82, 0xF9, 0x2F, 0xB2, 0xFC,
+    0x2F, 0xD2, 0xFF, 0x30, 0x03, 0x02, 0x30, 0x33, 0x04, 0x30, 0x63, 0x07, 0x30, 0x93, 0x0A, 0x30, 0xC3, 0x0D, 0x30, 0xE3, 0x10, 0x31, 0x13, 0x13,
+    0x31, 0x43, 0x15, 0x31, 0x73, 0x18, 0x31, 0xA3, 0x1B, 0x31, 0xC3, 0x1E, 0x31, 0xF3, 0x21, 0x32, 0x23, 0x23, 0x32, 0x53, 0x26, 0x32, 0x83, 0x29,
+    0x32, 0xA3, 0x2C, 0x32, 0xD3, 0x2F, 0x33, 0x03, 0x31, 0x33, 0x33, 0x34, 0x33, 0x63, 0x37, 0x33, 0x83, 0x3A, 0x33, 0xB3, 0x3D, 0x33, 0xE3, 0x3F,
+    0x34, 0x13, 0x42, 0x34, 0x43, 0x45, 0x34, 0x63, 0x48, 0x34, 0x93, 0x4B, 0x34, 0xC3, 0x4D, 0x34, 0xF3, 0x50, 0x35, 0x23, 0x53, 0x35, 0x43, 0x56,
+    0x35, 0x73, 0x58, 0x35, 0xA3, 0x5B, 0x35, 0xD3, 0x5E, 0x35, 0xF3, 0x61, 0x36, 0x23, 0x64, 0x36, 0x53, 0x66, 0x36, 0x83, 0x69, 0x36, 0xA3, 0x6C,
+    0x36, 0xD3, 0x6F, 0x37, 0x03, 0x71, 0x37, 0x33, 0x74, 0x37, 0x53, 0x77, 0x37, 0x83, 0x7A, 0x37, 0xB3, 0x7C, 0x37, 0xE3, 0x7F, 0x38, 0x03, 0x82,
+    0x38, 0x33, 0x85, 0x38, 0x63, 0x87, 0x38, 0x93, 0x8A, 0x38, 0xB3, 0x8D, 0x38, 0xE3, 0x90, 0x39, 0x13, 0x92, 0x39, 0x43, 0x95, 0x39, 0x63, 0x98,
+    0x39, 0x93, 0x9A, 0x39, 0xC3, 0x9D, 0x39, 0xF3, 0xA0, 0x3A, 0x13, 0xA3, 0x3A, 0x43, 0xA5, 0x3A, 0x73, 0xA8, 0x3A, 0x93, 0xAB, 0x3A, 0xC3, 0xAD,
+    0x3A, 0xF3, 0xB0, 0x3B, 0x13, 0xB3, 0x3B, 0x43, 0xB6, 0x3B, 0x73, 0xB8, 0x3B, 0xA3, 0xBB, 0x3B, 0xC3, 0xBE, 0x3B, 0xF3, 0xC0, 0x3C, 0x23, 0xC3,
+    0x3C, 0x43, 0xC6, 0x3C, 0x73, 0xC8, 0x3C, 0xA3, 0xCB, 0x3C, 0xC3, 0xCE, 0x3C, 0xF3, 0xD0, 0x3D, 0x23, 0xD3, 0x3D, 0x43, 0xD6, 0x3D, 0x73, 0xD8,
+    0x3D, 0xA3, 0xDB, 0x3D, 0xC3, 0xDE, 0x3D, 0xF3, 0xE0, 0x3E, 0x23, 0xE3, 0x3E, 0x43, 0xE6, 0x3E, 0x73, 0xE8, 0x3E, 0xA3, 0xEB, 0x3E, 0xC3, 0xEE,
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+    0x7B, 0xE7, 0xBE, 0x7B, 0xE7, 0xBE, 0x7B, 0xF7, 0xBF, 0x7B, 0xF7, 0xBF, 0x7B, 0xF7, 0xC0, 0x7C, 0x07, 0xC0, 0x7C, 0x07, 0xC0, 0x7C, 0x17, 0xC1,
+    0x7C, 0x17, 0xC1, 0x7C, 0x17, 0xC2, 0x7C, 0x27, 0xC2, 0x7C, 0x27, 0xC2, 0x7C, 0x27, 0xC3, 0x7C, 0x37, 0xC3, 0x7C, 0x37, 0xC3, 0x7C, 0x37, 0xC4,
+    0x7C, 0x47, 0xC4, 0x7C, 0x47, 0xC4, 0x7C, 0x47, 0xC5, 0x7C, 0x57, 0xC5, 0x7C, 0x57, 0xC5, 0x7C, 0x57, 0xC6, 0x7C, 0x67, 0xC6, 0x7C, 0x67, 0xC6,
+    0x7C, 0x67, 0xC7, 0x7C, 0x77, 0xC7, 0x7C, 0x77, 0xC7, 0x7C, 0x77, 0xC7, 0x7C, 0x87, 0xC8, 0x7C, 0x87, 0xC8, 0x7C, 0x87, 0xC8, 0x7C, 0x87, 0xC8,
+    0x7C, 0x97, 0xC9, 0x7C, 0x97, 0xC9, 0x7C, 0x97, 0xC9, 0x7C, 0x97, 0xCA, 0x7C, 0xA7, 0xCA, 0x7C, 0xA7, 0xCA, 0x7C, 0xA7, 0xCA, 0x7C, 0xA7, 0xCA,
+    0x7C, 0xB7, 0xCB, 0x7C, 0xB7, 0xCB, 0x7C, 0xB7, 0xCB, 0x7C, 0xB7, 0xCB, 0x7C, 0xB7, 0xCC, 0x7C, 0xC7, 0xCC, 0x7C, 0xC7, 0xCC, 0x7C, 0xC7, 0xCC,
+    0x7C, 0xC7, 0xCC, 0x7C, 0xC7, 0xCD, 0x7C, 0xD7, 0xCD, 0x7C, 0xD7, 0xCD, 0x7C, 0xD7, 0xCD, 0x7C, 0xD7, 0xCD, 0x7C, 0xD7, 0xCD, 0x7C, 0xD7, 0xCE,
+    0x7C, 0xE7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xE7, 0xCE, 0x7C, 0xF7, 0xCF,
+    0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xCF,
+    0x7C, 0xF7, 0xCF, 0x7C, 0xF7, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0,
+    0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0, 0x7D, 0x07, 0xD0,
+};
+
+#endif

units/dac/_dac_init.c

@@ -0,0 +1,147 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+
+#define DAC_INTERNAL
+#include "_dac_internal.h"
+
+/** Allocate data structure and set defaults */
+error_t UDAC_preInit(Unit *unit)
+{
+    struct priv *priv = unit->data = calloc_ck(1, sizeof(struct priv));
+    if (priv == NULL) return E_OUT_OF_MEM;
+
+    for (int i = 0; i < 2; i++) {
+        priv->cfg.ch[i].buffered = true;
+        priv->cfg.ch[i].enable = true;
+        priv->cfg.ch[i].noise_level = 2;
+        priv->cfg.ch[i].noise_type = NOISE_NONE;
+
+        priv->ch[i].waveform = UDAC_WAVE_DC;
+        priv->ch[i].dc_level = 2047;
+
+        priv->ch[i].rectangle_ontime = 4096; // half
+        priv->ch[i].rectangle_high = 4095;
+        priv->ch[i].rectangle_low = 0;
+
+        priv->ch[i].counter = 0;
+        priv->ch[i].increment = 0; // stopped
+        priv->ch[i].phase = 0;
+    }
+
+    UDAC_SetFreq(unit, 0, 1000);
+    UDAC_SetFreq(unit, 1, 1000);
+
+    return E_SUCCESS;
+}
+
+/** Finalize unit set-up */
+error_t UDAC_init(Unit *unit)
+{
+    bool suc = true;
+    struct priv *priv = unit->data;
+
+    // copy noise config
+    priv->ch[0].noise_type = priv->cfg.ch[0].noise_type;
+    priv->ch[0].noise_level = priv->cfg.ch[0].noise_level;
+
+    priv->ch[1].noise_type = priv->cfg.ch[1].noise_type;
+    priv->ch[1].noise_level = priv->cfg.ch[1].noise_level;
+
+    // this may change for different devices
+    const Resource r_ch1 = R_PA4;
+    const Resource r_ch2 = R_PA5;
+
+    TRY(rsc_claim(unit, R_TIM6));
+    priv->TIMx = TIM6;
+
+    const bool e1 = priv->cfg.ch[0].enable;
+    const bool e2 = priv->cfg.ch[1].enable;
+
+    if (e1) {
+        TRY(rsc_claim(unit, r_ch1));
+    }
+
+    if (e2) {
+        TRY(rsc_claim(unit, r_ch2));
+    }
+
+    TRY(rsc_claim(unit, R_DAC1));
+
+    // ensure the peripheral is clean (this may be redundant)
+    __HAL_RCC_DAC1_FORCE_RESET();
+    __HAL_RCC_DAC1_RELEASE_RESET();
+
+    hw_periph_clock_enable(DAC1);
+    hw_periph_clock_enable(priv->TIMx);
+
+    GPIO_TypeDef *port;
+    uint32_t ll;
+    if (e1) {
+        assert_param(hw_pinrsc2ll(r_ch1, &port, &ll));
+        LL_GPIO_SetPinMode(port, ll, LL_GPIO_MODE_ANALOG);
+    }
+    if (e2) {
+        assert_param(hw_pinrsc2ll(r_ch1, &port, &ll));
+        LL_GPIO_SetPinMode(port, ll, LL_GPIO_MODE_ANALOG);
+    }
+
+    uint16_t presc = 1;
+
+    // presets... TODO pick the highest useable one (or find a new one)
+#if UDAC_TIM_FREQ_DIVIDER == 1
+    uint32_t count = PLAT_AHB_MHZ;
+#elif UDAC_TIM_FREQ_DIVIDER == 2
+    uint32_t count = PLAT_AHB_MHZ * 2;
+#elif UDAC_TIM_FREQ_DIVIDER == 4
+    uint32_t count = PLAT_AHB_MHZ * 4;
+#elif UDAC_TIM_FREQ_DIVIDER == 8
+    uint32_t count = PLAT_AHB_MHZ * 8;
+#else
+    #error "bad freq"
+#endif
+
+//    dbg("Presc %d, count %d", (int)presc, (int)count);
+
+    LL_TIM_SetPrescaler(priv->TIMx, (uint32_t) (presc - 1));
+    LL_TIM_SetAutoReload(priv->TIMx, count - 1);
+    LL_TIM_EnableARRPreload(priv->TIMx);
+    LL_TIM_GenerateEvent_UPDATE(priv->TIMx);
+
+    irqd_attach(priv->TIMx, UDAC_HandleIT, unit);
+    LL_TIM_EnableIT_UPDATE(priv->TIMx);
+
+    UDAC_Reconfigure(unit); // works with the timer - it should be inited already
+
+    // do not enbale counter initially - no need
+//    LL_TIM_EnableCounter(priv->TIMx);
+
+    return E_SUCCESS;
+}
+
+
+/** Tear down the unit */
+void UDAC_deInit(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    // de-init peripherals
+    if (unit->status == E_SUCCESS ) {
+        LL_DAC_DeInit(DAC);
+        LL_TIM_DisableCounter(priv->TIMx);
+
+        hw_periph_clock_disable(DAC1);
+        hw_periph_clock_disable(priv->TIMx);
+
+        irqd_detach(priv->TIMx, UDAC_HandleIT);
+    }
+
+    // Release all resources, deinit pins
+    rsc_teardown(unit);
+
+    // Free memory
+    free_ck(unit->data);
+}

units/dac/_dac_internal.h

@@ -0,0 +1,111 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#ifndef GEX_F072_DAC_INTERNAL_H
+#define GEX_F072_DAC_INTERNAL_H
+
+#ifndef DAC_INTERNAL
+#error bad include!
+#endif
+
+#include "unit_base.h"
+
+enum UDAC_Noise {
+    NOISE_NONE = 0b00, // 0
+    NOISE_WHITE = 0b01, // 1
+    NOISE_TRIANGLE = 0b10, // 2
+};
+
+enum UDAC_Waveform {
+    UDAC_WAVE_DC,
+    UDAC_WAVE_SINE,
+    UDAC_WAVE_TRIANGLE,
+    UDAC_WAVE_SAWTOOTH_UP,
+    UDAC_WAVE_SAWTOOTH_DOWN,
+    UDAC_WAVE_RECTANGLE,
+};
+
+struct udac_channel_cfg {
+    bool enable;
+    bool buffered;
+    enum UDAC_Noise noise_type;
+    uint8_t noise_level; // 0-11
+};
+
+// 0 - 1 MHz, 2-500k, 4-250k, 8-125k
+#define UDAC_TIM_FREQ_DIVIDER 8
+
+#define UDAC_INDEX_WIDTH 13 // corresponds to 8192 places
+#define UDAC_INDEX_SHIFT (32 - UDAC_INDEX_WIDTH)
+#define UDAC_MAX_INDEX   ((1 << UDAC_INDEX_WIDTH) - 1)
+#define UDAC_VALUE_COUNT (1 << UDAC_INDEX_WIDTH)
+
+extern const uint8_t LUT_sine_8192_quad_packed[];
+
+struct udac_channel_live {
+    enum UDAC_Noise noise_type;
+    uint8_t noise_level; // 0-11
+    enum UDAC_Waveform waveform;
+
+    uint16_t rectangle_ontime; // for rectangle wave, 0-8191
+    uint16_t rectangle_high;
+    uint16_t rectangle_low;
+    uint16_t dc_level; // for DC wave
+
+    uint32_t counter;
+    uint32_t increment;
+
+    // last set phase if the frequencies are the same
+    // - can be used for live frequency changes without reset (meaningful only with matching increment values)
+    uint16_t phase;
+    uint16_t last_index;
+    uint16_t last_value;
+};
+
+/** Private data structure */
+struct priv {
+    // settings
+    struct {
+        struct udac_channel_cfg ch[2];
+    } cfg;
+
+    // internal state
+    struct udac_channel_live ch[2];
+    TIM_TypeDef *TIMx; // timer used for the DDS function
+};
+
+/** Allocate data structure and set defaults */
+error_t UDAC_preInit(Unit *unit);
+
+/** Load from a binary buffer stored in Flash */
+void UDAC_loadBinary(Unit *unit, PayloadParser *pp);
+
+/** Write to a binary buffer for storing in Flash */
+void UDAC_writeBinary(Unit *unit, PayloadBuilder *pb);
+
+// ------------------------------------------------------------------------
+
+/** Parse a key-value pair from the INI file */
+error_t UDAC_loadIni(Unit *unit, const char *key, const char *value);
+
+/** Generate INI file section for the unit */
+void UDAC_writeIni(Unit *unit, IniWriter *iw);
+
+// ------------------------------------------------------------------------
+
+/** Finalize unit set-up */
+error_t UDAC_init(Unit *unit);
+
+/** Tear down the unit */
+void UDAC_deInit(Unit *unit);
+
+void UDAC_Reconfigure(Unit *unit);
+
+void UDAC_HandleIT(void *arg);
+
+error_t UDAC_SetFreq(Unit *unit, int channel, float freq);
+
+void UDAC_ToggleTimerIfNeeded(Unit *unit);
+
+#endif //GEX_F072_DAC_INTERNAL_H

units/dac/_dac_settings.c

@@ -0,0 +1,131 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+
+#define DAC_INTERNAL
+#include "_dac_internal.h"
+
+/** Load from a binary buffer stored in Flash */
+void UDAC_loadBinary(Unit *unit, PayloadParser *pp)
+{
+    struct priv *priv = unit->data;
+
+    uint8_t version = pp_u8(pp);
+    (void)version;
+
+    priv->cfg.ch[0].enable = pp_bool(pp);
+    priv->cfg.ch[0].buffered = pp_bool(pp);
+    priv->cfg.ch[0].noise_type = (enum UDAC_Noise) pp_u8(pp);
+    priv->cfg.ch[0].noise_level = pp_u8(pp);
+
+    priv->cfg.ch[1].enable = pp_bool(pp);
+    priv->cfg.ch[1].buffered = pp_bool(pp);
+    priv->cfg.ch[1].noise_type = (enum UDAC_Noise) pp_u8(pp);
+    priv->cfg.ch[1].noise_level = pp_u8(pp);
+}
+
+/** Write to a binary buffer for storing in Flash */
+void UDAC_writeBinary(Unit *unit, PayloadBuilder *pb)
+{
+    struct priv *priv = unit->data;
+
+    pb_u8(pb, 0); // version
+
+    pb_bool(pb, priv->cfg.ch[0].enable);
+    pb_bool(pb, priv->cfg.ch[0].buffered);
+    pb_u8(pb, priv->cfg.ch[0].noise_type);
+    pb_u8(pb, priv->cfg.ch[0].noise_level);
+
+    pb_bool(pb, priv->cfg.ch[1].enable);
+    pb_bool(pb, priv->cfg.ch[1].buffered);
+    pb_u8(pb, priv->cfg.ch[1].noise_type);
+    pb_u8(pb, priv->cfg.ch[1].noise_level);
+}
+
+// ------------------------------------------------------------------------
+
+/** Parse a key-value pair from the INI file */
+error_t UDAC_loadIni(Unit *unit, const char *key, const char *value)
+{
+    bool suc = true;
+    struct priv *priv = unit->data;
+
+    // Ch1
+    if (streq(key, "ch1_enable")) {
+        priv->cfg.ch[0].enable = cfg_bool_parse(value, &suc);
+    }
+    else if (streq(key, "ch1_buff")) {
+        priv->cfg.ch[0].buffered = cfg_bool_parse(value, &suc);
+    }
+    else if (streq(key, "ch1_noise")) {
+        priv->cfg.ch[0].noise_type =
+            (enum UDAC_Noise) cfg_enum3_parse(value,
+                                             "NONE", NOISE_NONE,
+                                             "WHITE", NOISE_WHITE,
+                                             "TRIANGLE", NOISE_TRIANGLE, &suc);
+    }
+    else if (streq(key, "ch1_noise-level")) {
+        uint8_t x = cfg_u8_parse(value, &suc);
+        if (x == 0) x = 1;
+        if (x > 12) x = 12;
+        priv->cfg.ch[0].noise_level = (uint8_t) (x - 1);
+    }
+    // Ch2
+    else if (streq(key, "ch2_enable")) {
+        priv->cfg.ch[1].enable = cfg_bool_parse(value, &suc);
+    }
+    else if (streq(key, "ch2_buff")) {
+        priv->cfg.ch[1].buffered = cfg_bool_parse(value, &suc);
+    }
+    else if (streq(key, "ch2_noise")) {
+        priv->cfg.ch[1].noise_type =
+            (enum UDAC_Noise) cfg_enum3_parse(value,
+                                              "NONE", NOISE_NONE,
+                                              "WHITE", NOISE_WHITE,
+                                              "TRIANGLE", NOISE_TRIANGLE, &suc);
+    }
+    else if (streq(key, "ch2_noise-level")) {
+        uint8_t x = cfg_u8_parse(value, &suc);
+        if (x == 0) x = 1;
+        if (x > 12) x = 12;
+        priv->cfg.ch[1].noise_level = (uint8_t) (x - 1);
+    }
+    // end
+    else {
+        return E_BAD_KEY;
+    }
+
+    if (!suc) return E_BAD_VALUE;
+    return E_SUCCESS;
+}
+
+/** Generate INI file section for the unit */
+void UDAC_writeIni(Unit *unit, IniWriter *iw)
+{
+    struct priv *priv = unit->data;
+
+    iw_comment(iw, "Enabled channels (1:A4, 2:A5)");
+    iw_entry_s(iw, "ch1_enable", str_yn(priv->cfg.ch[0].enable));
+    iw_entry_s(iw, "ch2_enable", str_yn(priv->cfg.ch[1].enable));
+
+    iw_comment(iw, "Enable output buffer");
+    iw_entry_s(iw, "ch1_buff", str_yn(priv->cfg.ch[0].buffered));
+    iw_entry_s(iw, "ch2_buff", str_yn(priv->cfg.ch[1].buffered));
+
+    iw_comment(iw, "Superimposed noise type (NONE,WHITE,TRIANGLE) and nbr. of bits (1-12)");
+
+    iw_entry_s(iw, "ch1_noise", cfg_enum3_encode(priv->cfg.ch[0].noise_type,
+                                                 NOISE_NONE, "NONE",
+                                                 NOISE_WHITE, "WHITE",
+                                                 NOISE_TRIANGLE, "TRIANGLE"));
+    iw_entry_d(iw, "ch1_noise-level", priv->cfg.ch[0].noise_level + 1);
+
+    iw_entry_s(iw, "ch2_noise", cfg_enum3_encode(priv->cfg.ch[1].noise_type,
+                                                 NOISE_NONE, "NONE",
+                                                 NOISE_WHITE, "WHITE",
+                                                 NOISE_TRIANGLE, "TRIANGLE"));
+    iw_entry_d(iw, "ch2_noise-level", priv->cfg.ch[1].noise_level + 1);
+}

units/dac/unit_dac.c

@@ -0,0 +1,166 @@
+//
+// Created by MightyPork on 2017/11/25.
+//
+
+#include "unit_base.h"
+#include "unit_dac.h"
+
+#define DAC_INTERNAL
+#include "_dac_internal.h"
+
+// ------------------------------------------------------------------------
+
+// Works OK up to about 20 kHz, could work faster with a faster interrupt
+// (may be possible with some optimizations / adjusting priorities...)
+
+enum DacCmd_ {
+    CMD_WAVE_DC = 0,
+    CMD_WAVE_SINE = 1,
+    CMD_WAVE_TRIANGLE = 2,
+    CMD_WAVE_SAWTOOTH_UP = 3,
+    CMD_WAVE_SAWTOOTH_DOWN = 4,
+    CMD_WAVE_RECTANGLE = 5,
+
+    CMD_SYNC = 10,
+
+    CMD_SET_FREQUENCY = 20,
+    CMD_SET_PHASE = 21,
+    CMD_SET_DITHER = 22,
+};
+
+/** Handle a request message */
+static error_t UDAC_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
+{
+    struct priv *priv = unit->data;
+
+    // Exceptions that aren't per-channel
+    switch (command) {
+        case CMD_SYNC:
+            dbg("Sync");
+            priv->ch[0].counter = priv->ch[0].phase << UDAC_INDEX_SHIFT;
+            priv->ch[1].counter = priv->ch[1].phase << UDAC_INDEX_SHIFT;
+            return E_SUCCESS;
+    }
+
+    uint8_t channels = pp_u8(pp);
+
+    bool want_reinit = false;
+    bool want_tog_timer = false;
+
+    // TODO move this stuff to the api file
+
+    for (int i = 0; i < 2; i++) {
+        if (channels & (1<<i)) {
+            switch (command) {
+                case CMD_SET_FREQUENCY:;
+                    float freq = pp_float(pp);
+                    TRY(UDAC_SetFreq(unit, i, freq));
+                    break;
+
+                case CMD_WAVE_DC:
+                    priv->ch[i].dc_level = pp_u16(pp);
+                    priv->ch[i].waveform = UDAC_WAVE_DC;
+                    want_tog_timer = true;
+                    break;
+
+                case CMD_WAVE_SINE:
+                    priv->ch[i].waveform = UDAC_WAVE_SINE;
+                    want_tog_timer = true;
+                    break;
+
+                case CMD_WAVE_TRIANGLE:
+                    priv->ch[i].waveform = UDAC_WAVE_TRIANGLE;
+                    want_tog_timer = true;
+                    break;
+
+                case CMD_WAVE_SAWTOOTH_UP:
+                    priv->ch[i].waveform = UDAC_WAVE_SAWTOOTH_UP;
+                    want_tog_timer = true;
+                    break;
+
+                case CMD_WAVE_SAWTOOTH_DOWN:
+                    priv->ch[i].waveform = UDAC_WAVE_SAWTOOTH_DOWN;
+                    want_tog_timer = true;
+                    break;
+
+                case CMD_WAVE_RECTANGLE:;
+                    uint16_t ontime = pp_u16(pp);
+                    uint16_t high = pp_u16(pp);
+                    uint16_t low = pp_u16(pp);
+
+                    // use 0xFFFF to skip setting the value
+                    if (high < 4096) priv->ch[i].rectangle_high = high;
+                    if (low < 4096) priv->ch[i].rectangle_low = low;
+                    if (ontime <= UDAC_VALUE_COUNT) priv->ch[i].rectangle_ontime = ontime;
+
+//                    dbg("Set rect hi %d, low %d", (int)priv->ch[i].rectangle_high, (int)priv->ch[i].rectangle_low);
+
+                    priv->ch[i].waveform = UDAC_WAVE_RECTANGLE;
+                    want_tog_timer = true;
+                    break;
+
+                case CMD_SET_PHASE:;
+                    uint16_t ph = pp_u16(pp);
+                    uint32_t newphase = ph << UDAC_INDEX_SHIFT;
+                    uint32_t oldphase = priv->ch[i].phase << UDAC_INDEX_SHIFT;
+                    int32_t diff = newphase - oldphase;
+                    priv->ch[i].counter += diff;
+                    priv->ch[i].phase = ph;
+                    break;
+
+                case CMD_SET_DITHER:;
+                    uint8_t noisetype = pp_u8(pp); // 0-none, 1-random, 2-triangle
+                    uint8_t noisebits = pp_u8(pp);
+
+                    // type 0xFF = not set
+                    if (noisetype <= 2) {
+                        priv->ch[i].noise_type = (enum UDAC_Noise) noisetype;
+                    }
+
+                    // bits 0xFF = not set
+                    if (noisebits >= 1 && noisebits <= 12) {
+                        priv->ch[i].noise_level = (uint8_t) (noisebits - 1);
+                    }
+
+//                    dbg("Ch %d: Dither type %d, level %d", i,
+//                        (int)priv->ch[i].noise_type,
+//                        (int)priv->ch[i].noise_level);
+
+                    want_reinit = true;
+                    break;
+
+                default:
+                    return E_UNKNOWN_COMMAND;
+            }
+        }
+    }
+
+    if (want_reinit) {
+        UDAC_Reconfigure(unit);
+    }
+
+    if (want_tog_timer) {
+        UDAC_ToggleTimerIfNeeded(unit);
+    }
+
+    return E_SUCCESS;
+}
+
+// ------------------------------------------------------------------------
+
+/** Unit template */
+const UnitDriver UNIT_DAC = {
+    .name = "DAC",
+    .description = "Two-channel analog output with waveforms",
+    // Settings
+    .preInit = UDAC_preInit,
+    .cfgLoadBinary = UDAC_loadBinary,
+    .cfgWriteBinary = UDAC_writeBinary,
+    .cfgLoadIni = UDAC_loadIni,
+    .cfgWriteIni = UDAC_writeIni,
+    // Init
+    .init = UDAC_init,
+    .deInit = UDAC_deInit,
+    // Function
+    .handleRequest = UDAC_handleRequest,
+};

units/dac/unit_dac.h

@@ -0,0 +1,16 @@
+//
+// Created by MightyPork on 2017/11/25.
+//
+// Digital input unit; single or multiple pin read access on one port (A-F)
+//
+
+#ifndef U_DAC_H
+#define U_DAC_H
+
+#include "unit.h"
+
+extern const UnitDriver UNIT_DAC;
+
+// UU_ prototypes
+
+#endif //U_DAC_H

units/digital_in/_din_settings.c

@@ -20,23 +20,18 @@ void DIn_loadBinary(Unit *unit, PayloadParser *pp)
     priv->pins = pp_u16(pp);
     priv->pulldown = pp_u16(pp);
     priv->pullup = pp_u16(pp);
-
-    if (version >= 1) {
     priv->trig_rise = pp_u16(pp);
     priv->trig_fall = pp_u16(pp);
     priv->trig_holdoff = pp_u16(pp);
-    }
-    if (version >= 2) {
     priv->def_auto = pp_u16(pp);
 }
-}
 
 /** Write to a binary buffer for storing in Flash */
 void DIn_writeBinary(Unit *unit, PayloadBuilder *pb)
 {
     struct priv *priv = unit->data;
 
-    pb_u8(pb, 2); // version
+    pb_u8(pb, 0); // version
 
     pb_char(pb, priv->port_name);
     pb_u16(pb, priv->pins);
@@ -57,28 +52,28 @@ error_t DIn_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "port")) {
-        suc = parse_port_name(value, &priv->port_name);
+        suc = cfg_port_parse(value, &priv->port_name);
     }
     else if (streq(key, "pins")) {
-        priv->pins = parse_pinmask(value, &suc);
+        priv->pins = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "pull-up")) {
-        priv->pullup = parse_pinmask(value, &suc);
+        priv->pullup = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "pull-down")) {
-        priv->pulldown = parse_pinmask(value, &suc);
+        priv->pulldown = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "trig-rise")) {
-        priv->trig_rise = parse_pinmask(value, &suc);
+        priv->trig_rise = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "trig-fall")) {
-        priv->trig_fall = parse_pinmask(value, &suc);
+        priv->trig_fall = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "auto-trigger")) {
-        priv->def_auto = parse_pinmask(value, &suc);
+        priv->def_auto = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "hold-off")) {
-        priv->trig_holdoff = (uint16_t) avr_atoi(value);
+        priv->trig_holdoff = cfg_u16_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -97,24 +92,24 @@ void DIn_writeIni(Unit *unit, IniWriter *iw)
     iw_entry(iw, "port", "%c", priv->port_name);
 
     iw_comment(iw, "Pins (comma separated, supports ranges)");
-    iw_entry(iw, "pins", "%s", pinmask2str(priv->pins, unit_tmp512));
+    iw_entry_s(iw, "pins", cfg_pinmask_encode(priv->pins, unit_tmp512, 0));
 
     iw_comment(iw, "Pins with pull-up");
-    iw_entry(iw, "pull-up", "%s", pinmask2str(priv->pullup, unit_tmp512));
+    iw_entry_s(iw, "pull-up", cfg_pinmask_encode(priv->pullup, unit_tmp512, 0));
 
     iw_comment(iw, "Pins with pull-down");
-    iw_entry(iw, "pull-down", "%s", pinmask2str(priv->pulldown, unit_tmp512));
+    iw_entry_s(iw, "pull-down", cfg_pinmask_encode(priv->pulldown, unit_tmp512, 0));
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Trigger pins activated by rising/falling edge");
-    iw_entry(iw, "trig-rise", "%s", pinmask2str(priv->trig_rise, unit_tmp512));
+    iw_entry_s(iw, "trig-rise", cfg_pinmask_encode(priv->trig_rise, unit_tmp512, 0));
-    iw_entry(iw, "trig-fall", "%s", pinmask2str(priv->trig_fall, unit_tmp512));
+    iw_entry_s(iw, "trig-fall", cfg_pinmask_encode(priv->trig_fall, unit_tmp512, 0));
 
     iw_comment(iw, "Trigger pins auto-armed by default");
-    iw_entry(iw, "auto-trigger", "%s", pinmask2str(priv->def_auto, unit_tmp512));
+    iw_entry_s(iw, "auto-trigger", cfg_pinmask_encode(priv->def_auto, unit_tmp512, 0));
 
     iw_comment(iw, "Triggers hold-off time (ms)");
-    iw_entry(iw, "hold-off", "%d", (int)priv->trig_holdoff);
+    iw_entry_d(iw, "hold-off", priv->trig_holdoff);
 
 #if PLAT_NO_FLOATING_INPUTS
     iw_comment(iw, "NOTE: Pins use pull-up by default.\r\n");

units/digital_out/_dout_api.c

@@ -7,8 +7,20 @@
 #include "unit_dout.h"
 
 #define DOUT_INTERNAL
+
 #include "_dout_internal.h"
 
+static void clear_pulse_by_mask(struct priv *priv, uint16_t spread)
+{
+    assert_param(priv);
+
+    for (int i = 0; i < 16; i++) {
+        if (spread & (1 << i)) {
+            priv->msec_pulse_cnt[i] = 0;
+        }
+    }
+}
+
 error_t UU_DOut_Write(Unit *unit, uint16_t packed)
 {
     CHECK_TYPE(unit, &UNIT_DOUT);
@@ -16,6 +28,7 @@ error_t UU_DOut_Write(Unit *unit, uint16_t packed)
     struct priv *priv = unit->data;
     uint16_t mask = priv->pins;
     uint16_t spread = pinmask_spread(packed, mask);
+    clear_pulse_by_mask(priv, spread);
 
     uint16_t set = spread;
     uint16_t reset = ((~spread) & mask);
@@ -30,6 +43,7 @@ error_t UU_DOut_Set(Unit *unit, uint16_t packed)
     struct priv *priv = unit->data;
     uint16_t mask = priv->pins;
     uint16_t spread = pinmask_spread(packed, mask);
+    clear_pulse_by_mask(priv, spread);
 
     priv->port->BSRR = spread;
     return E_SUCCESS;
@@ -42,6 +56,7 @@ error_t UU_DOut_Clear(Unit *unit, uint16_t packed)
     struct priv *priv = unit->data;
     uint16_t mask = priv->pins;
     uint16_t spread = pinmask_spread(packed, mask);
+    clear_pulse_by_mask(priv, spread);
 
     priv->port->BSRR = (spread << 16);
     return E_SUCCESS;
@@ -54,6 +69,7 @@ error_t UU_DOut_Toggle(Unit *unit, uint16_t packed)
     struct priv *priv = unit->data;
     uint16_t mask = priv->pins;
     uint16_t spread = pinmask_spread(packed, mask);
+    clear_pulse_by_mask(priv, spread);
 
     uint16_t flipped = (uint16_t) (~priv->port->ODR) & mask;
     uint16_t set = flipped & spread;
@@ -71,3 +87,87 @@ error_t UU_DOut_GetPinCount(Unit *unit, uint8_t *count)
     *count = (uint8_t) (32 - __CLZ(packed));
     return E_SUCCESS;
 }
+
+error_t UU_DOut_Pulse(Unit *unit, uint16_t packed, bool polarity, bool is_usec, uint16_t count)
+{
+    CHECK_TYPE(unit, &UNIT_DOUT);
+    struct priv *priv = unit->data;
+    assert_param(priv);
+
+    uint16_t mask = priv->pins;
+    uint16_t spread = pinmask_spread(packed, mask);
+    clear_pulse_by_mask(priv, spread);
+
+    vPortEnterCritical();
+
+    if (is_usec) {
+        // we're gonna do this right here as a delay loop.
+        if (count >= 1000) {
+            // too long, fall back to msec
+            count /= 1000;
+            is_usec = false;
+        }
+        else {
+            const uint32_t bsrr1 = spread << (polarity ? 0 : 16);
+            const uint32_t bsrr0 = spread << (polarity ? 16 : 0);
+
+            const uint32_t start = PTIM_MicroDelayAlign();
+            priv->port->BSRR = bsrr1;
+            PTIM_MicroDelayAligned(count, start);
+            priv->port->BSRR = bsrr0;
+        }
+    }
+
+    if (!is_usec) {
+        // Load the counters
+        for (int i = 0; i < 16; i++) {
+            if (spread & (1 << i)) {
+                priv->msec_pulse_cnt[i] = (uint16_t) (count + 1);
+            }
+        }
+
+        if (polarity) {
+            priv->msec_pulse_scheduled_1 |= spread;
+        } else {
+            priv->msec_pulse_scheduled_0 |= spread;
+        }
+
+        unit->_tick_cnt = 0;
+        unit->tick_interval = 1;
+    }
+
+    vPortExitCritical();
+
+    return E_SUCCESS;
+}
+
+void DOut_Tick(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    uint16_t odr = (uint16_t) priv->port->ODR;
+    int live_cnt = 0;
+    for (int i = 0; i < 16; i++) {
+        if (priv->msec_pulse_scheduled_1 & (1<<i)) {
+            odr |= (1<<i);
+        } else if (priv->msec_pulse_scheduled_0 & (1<<i)) {
+            odr &= ~(1<<i);
+        }
+
+        if (priv->msec_pulse_cnt[i] > 0) {
+            live_cnt++;
+            priv->msec_pulse_cnt[i]--;
+            if (priv->msec_pulse_cnt[i] == 0) {
+                odr ^= 1 << i;
+            }
+        }
+    }
+    priv->port->ODR = odr;
+    priv->msec_pulse_scheduled_1 = 0;
+    priv->msec_pulse_scheduled_0 = 0;
+
+    if (live_cnt == 0) {
+        unit->_tick_cnt = 0;
+        unit->tick_interval = 0;
+    }
+}

units/digital_out/_dout_internal.h

@@ -19,6 +19,9 @@ struct priv {
     uint16_t open_drain; // open drain pins
 
     GPIO_TypeDef *port;
+    uint16_t msec_pulse_cnt[16];
+    uint16_t msec_pulse_scheduled_1;
+    uint16_t msec_pulse_scheduled_0;
 };
 
 /** Allocate data structure and set defaults */
@@ -46,4 +49,6 @@ error_t DOut_init(Unit *unit);
 /** Tear down the unit */
 void DOut_deInit(Unit *unit);
 
+void DOut_Tick(Unit *unit);
+
 #endif //GEX_F072_DOUT_INTERNAL_H

units/digital_out/_dout_settings.c

@@ -44,16 +44,16 @@ error_t DOut_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "port")) {
-        suc = parse_port_name(value, &priv->port_name);
+        suc = cfg_port_parse(value, &priv->port_name);
     }
     else if (streq(key, "pins")) {
-        priv->pins = (uint16_t) parse_pinmask(value, &suc);
+        priv->pins = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "initial")) {
-        priv->initial = (uint16_t) parse_pinmask(value, &suc);
+        priv->initial = cfg_pinmask_parse(value, &suc);
     }
     else if (streq(key, "open-drain")) {
-        priv->open_drain = (uint16_t) parse_pinmask(value, &suc);
+        priv->open_drain = cfg_pinmask_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -72,11 +72,11 @@ void DOut_writeIni(Unit *unit, IniWriter *iw)
     iw_entry(iw, "port", "%c", priv->port_name);
 
     iw_comment(iw, "Pins (comma separated, supports ranges)");
-    iw_entry(iw, "pins", "%s", pinmask2str(priv->pins, unit_tmp512));
+    iw_entry_s(iw, "pins", cfg_pinmask_encode(priv->pins, unit_tmp512, 0));
 
     iw_comment(iw, "Initially high pins");
-    iw_entry(iw, "initial", "%s", pinmask2str(priv->initial, unit_tmp512));
+    iw_entry_s(iw, "initial", cfg_pinmask_encode(priv->initial, unit_tmp512, 0));
 
     iw_comment(iw, "Open-drain pins");
-    iw_entry(iw, "open-drain", "%s", pinmask2str(priv->open_drain, unit_tmp512));
+    iw_entry_s(iw, "open-drain", cfg_pinmask_encode(priv->open_drain, unit_tmp512, 0));
 }

units/digital_out/unit_dout.c

@@ -9,10 +9,11 @@
 #include "_dout_internal.h"
 
 enum PinCmd_ {
-    CMD_TEST = 0,
+    CMD_QUERY = 0,
     CMD_SET = 1,
     CMD_CLEAR = 2,
     CMD_TOGGLE = 3,
+    CMD_PULSE = 4,
 };
 
 /** Handle a request message */
@@ -21,7 +22,7 @@ static error_t DOut_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, P
     uint16_t packed = pp_u16(pp);
 
     switch (command) {
-        case CMD_TEST:
+        case CMD_QUERY:
             return UU_DOut_Write(unit, packed);
 
         case CMD_SET:
@@ -33,6 +34,12 @@ static error_t DOut_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, P
         case CMD_TOGGLE:
             return UU_DOut_Toggle(unit, packed);
 
+        case CMD_PULSE:;
+            bool polarity = pp_bool(pp);
+            bool is_usec = pp_bool(pp);
+            uint16_t count = pp_u16(pp);
+            return UU_DOut_Pulse(unit, packed, polarity, is_usec, count);
+
         default:
             return E_UNKNOWN_COMMAND;
     }
@@ -55,4 +62,5 @@ const UnitDriver UNIT_DOUT = {
     .deInit = DOut_deInit,
     // Function
     .handleRequest = DOut_handleRequest,
+    .updateTick = DOut_Tick,
 };

units/digital_out/unit_dout.h

@@ -56,4 +56,16 @@ error_t UU_DOut_Toggle(Unit *unit, uint16_t packed);
  */
 error_t UU_DOut_GetPinCount(Unit *unit, uint8_t *count);
 
+/**
+ * Send a pulse
+ *
+ * @param unit
+ * @param packed - pins to pulse
+ * @param polarity - pulse active level
+ * @param is_usec - use usec precision (for < 1 ms)
+ * @param count - number of units (msec or usec)
+ * @return success
+ */
+error_t UU_DOut_Pulse(Unit *unit, uint16_t packed, bool polarity, bool is_usec, uint16_t count);
+
 #endif //U_DOUT_H

units/fcap/_fcap_core.c

@@ -2,7 +2,6 @@
 // Created by MightyPork on 2018/02/20.
 //
 
-#include <stm32f072xb.h>
 #include "platform.h"
 
 #define FCAP_INTERNAL

units/fcap/_fcap_settings.c

@@ -18,27 +18,22 @@ void UFCAP_loadBinary(Unit *unit, PayloadParser *pp)
 
     priv->conf.signal_pname = pp_char(pp);
     priv->conf.signal_pnum = pp_u8(pp);
-
-    if (version >= 1) {
     priv->conf.active_level = pp_bool(pp);
     priv->conf.dfilter = pp_u8(pp);
     priv->conf.direct_presc = pp_u8(pp);
     priv->conf.direct_msec = pp_u16(pp);
     priv->conf.startmode = (enum fcap_opmode) pp_u8(pp);
 }
-}
 
 /** Write to a binary buffer for storing in Flash */
 void UFCAP_writeBinary(Unit *unit, PayloadBuilder *pb)
 {
     struct priv *priv = unit->data;
 
-    pb_u8(pb, 1); // version
+    pb_u8(pb, 0); // version
 
     pb_char(pb, priv->conf.signal_pname);
     pb_u8(pb, priv->conf.signal_pnum);
-
-    // V1
     pb_bool(pb, priv->conf.active_level);
     pb_u8(pb, priv->conf.dfilter);
     pb_u8(pb, priv->conf.direct_presc);
@@ -55,22 +50,22 @@ error_t UFCAP_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "pin")) {
-        suc = parse_pin(value, &priv->conf.signal_pname, &priv->conf.signal_pnum);
+        suc = cfg_portpin_parse(value, &priv->conf.signal_pname, &priv->conf.signal_pnum);
     }
     else if (streq(key, "active-level")) {
-        priv->conf.active_level = (bool) avr_atoi(value);
+        priv->conf.active_level = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "input-filter")) {
-        priv->conf.dfilter = (uint8_t) avr_atoi(value);
+        priv->conf.dfilter = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "direct-presc")) {
-        priv->conf.direct_presc = (uint8_t) avr_atoi(value);
+        priv->conf.direct_presc = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "direct-time")) {
-        priv->conf.direct_msec = (uint16_t) avr_atoi(value);
+        priv->conf.direct_msec = cfg_u16_parse(value, &suc);
     }
     else if (streq(key, "initial-mode")) {
-        priv->conf.startmode = (enum fcap_opmode) str_parse_4(value,
+        priv->conf.startmode = (enum fcap_opmode) cfg_enum4_parse(value,
                                                                   "N", OPMODE_IDLE,
                                                                   "I", OPMODE_INDIRECT_CONT,
                                                                   "D", OPMODE_DIRECT_CONT,
@@ -97,20 +92,20 @@ void UFCAP_writeIni(Unit *unit, IniWriter *iw)
     iw_cmt_newline(iw);
 
     iw_comment(iw, "Active level or edge (0-low,falling; 1-high,rising)");
-    iw_entry(iw, "active-level", "%d", (int)priv->conf.active_level);
+    iw_entry_d(iw, "active-level", priv->conf.active_level);
 
     iw_comment(iw, "Input filtering (0-15)");
-    iw_entry(iw, "input-filter", "%d", (int)priv->conf.dfilter);
+    iw_entry_d(iw, "input-filter", priv->conf.dfilter);
 
     iw_comment(iw, "Pulse counter pre-divider (1,2,4,8)");
-    iw_entry(iw, "direct-presc", "%d", (int)priv->conf.direct_presc);
+    iw_entry_d(iw, "direct-presc", priv->conf.direct_presc);
 
     iw_comment(iw, "Pulse counting interval (ms)");
-    iw_entry(iw, "direct-time", "%d", (int)priv->conf.direct_msec);
+    iw_entry_d(iw, "direct-time", priv->conf.direct_msec);
     iw_cmt_newline(iw);
 
     iw_comment(iw, "Mode on startup: N-none, I-indirect, D-direct, F-free count");
-    iw_entry(iw, "initial-mode", "%s", str_4(priv->conf.startmode,
+    iw_entry_s(iw, "initial-mode", cfg_enum4_encode(priv->conf.startmode,
                                                   OPMODE_IDLE, "N",
                                                   OPMODE_INDIRECT_CONT, "I",
                                                   OPMODE_DIRECT_CONT, "D",

units/i2c/_i2c_init.c

@@ -62,7 +62,7 @@ error_t UI2C_init(Unit *unit)
     uint32_t af_i2c;
     uint32_t timing; // magic constant from CubeMX
 
-#if GEX_PLAT_F072_DISCOVERY
+#if STM32F072xB
     // scl - 6 or 8 for I2C1, 10 for I2C2
     // sda - 7 or 9 for I2C1, 11 for I2C2
     if (priv->periph_num == 1) {

units/i2c/_i2c_settings.c

@@ -20,18 +20,15 @@ void UI2C_loadBinary(Unit *unit, PayloadParser *pp)
     priv->anf = pp_bool(pp);
     priv->dnf = pp_u8(pp);
     priv->speed = pp_u8(pp);
-
-    if (version >= 1) {
     priv->remap = pp_u8(pp);
 }
-}
 
 /** Write to a binary buffer for storing in Flash */
 void UI2C_writeBinary(Unit *unit, PayloadBuilder *pb)
 {
     struct priv *priv = unit->data;
 
-    pb_u8(pb, 1); // version
+    pb_u8(pb, 0); // version
 
     pb_u8(pb, priv->periph_num);
     pb_bool(pb, priv->anf);
@@ -49,19 +46,19 @@ error_t UI2C_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "device")) {
-        priv->periph_num = (uint8_t) avr_atoi(value);
+        priv->periph_num = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "remap")) {
-        priv->remap = (uint8_t) avr_atoi(value);
+        priv->remap = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "analog-filter")) {
-        priv->anf = str_parse_yn(value, &suc);
+        priv->anf = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "digital-filter")) {
-        priv->dnf = (uint8_t) avr_atoi(value);
+        priv->dnf = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "speed")) {
-        priv->speed = (uint8_t) avr_atoi(value);
+        priv->speed = cfg_u8_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -77,10 +74,10 @@ void UI2C_writeIni(Unit *unit, IniWriter *iw)
     struct priv *priv = unit->data;
 
     iw_comment(iw, "Peripheral number (I2Cx)");
-    iw_entry(iw, "device", "%d", (int)priv->periph_num);
+    iw_entry_d(iw, "device", priv->periph_num);
 
     iw_comment(iw, "Pin mappings (SCL,SDA)");
-#if GEX_PLAT_F072_DISCOVERY
+#if STM32F072xB
     iw_comment(iw, " I2C1: (0) B6,B7    (1) B8,B9");
     iw_comment(iw, " I2C2: (0) B10,B11  (1) B13,B14");
 #elif GEX_PLAT_F103_BLUEPILL
@@ -92,15 +89,15 @@ void UI2C_writeIni(Unit *unit, IniWriter *iw)
 #else
     #error "BAD PLATFORM!"
 #endif
-    iw_entry(iw, "remap", "%d", (int)priv->remap);
+    iw_entry_d(iw, "remap", priv->remap);
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Speed: 1-Standard, 2-Fast, 3-Fast+");
-    iw_entry(iw, "speed", "%d", (int)priv->speed);
+    iw_entry_d(iw, "speed", priv->speed);
 
     iw_comment(iw, "Analog noise filter enable (Y,N)");
-    iw_entry(iw, "analog-filter", "%s", str_yn(priv->anf));
+    iw_entry_s(iw, "analog-filter", str_yn(priv->anf));
 
     iw_comment(iw, "Digital noise filter bandwidth (0-15)");
-    iw_entry(iw, "digital-filter", "%d", (int)priv->dnf);
+    iw_entry_d(iw, "digital-filter", priv->dnf);
 }

units/i2c/unit_i2c.c

@@ -12,7 +12,7 @@
 #include "_i2c_internal.h"
 
 enum PinCmd_ {
-    CMD_TEST = 0,
+    CMD_QUERY = 0,
     CMD_READ = 1,
     CMD_WRITE_REG = 2,
     CMD_READ_REG = 3,
@@ -30,7 +30,7 @@ static error_t UI2C_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, P
 
     switch (command) {
         /** Write byte(s) - addr:u16, byte(s)  */
-        case CMD_TEST:
+        case CMD_QUERY:
             addr = pp_u16(pp);
             const uint8_t *bb = pp_tail(pp, &len);
 

units/neopixel/_npx_api.c

@@ -16,7 +16,7 @@ error_t UU_Npx_Clear(Unit *unit)
     CHECK_TYPE(unit, &UNIT_NEOPIXEL);
 
     struct priv *priv = unit->data;
-    ws2812_clear(priv->port, priv->ll_pin, priv->pixels);
+    ws2812_clear(priv->port, priv->ll_pin, priv->cfg.pixels);
     return E_SUCCESS;
 }
 
@@ -26,8 +26,8 @@ error_t UU_Npx_Load(Unit *unit, const uint8_t *packed_rgb, uint32_t nbytes)
     CHECK_TYPE(unit, &UNIT_NEOPIXEL);
 
     struct priv *priv = unit->data;
-    if (nbytes != 3*priv->pixels) return E_BAD_COUNT;
+    if (nbytes != 3*priv->cfg.pixels) return E_BAD_COUNT;
-    ws2812_load_raw(priv->port, priv->ll_pin, packed_rgb, priv->pixels);
+    ws2812_load_raw(priv->port, priv->ll_pin, packed_rgb, priv->cfg.pixels);
     return E_SUCCESS;
 }
 
@@ -37,8 +37,8 @@ static error_t load_u32(Unit *unit, const uint8_t *bytes, uint32_t nbytes, bool
     CHECK_TYPE(unit, &UNIT_NEOPIXEL);
 
     struct priv *priv = unit->data;
-    if (nbytes != 4*priv->pixels) return E_BAD_COUNT;
+    if (nbytes != 4*priv->cfg.pixels) return E_BAD_COUNT;
-    ws2812_load_sparse(priv->port, priv->ll_pin, bytes, priv->pixels, bige);
+    ws2812_load_sparse(priv->port, priv->ll_pin, bytes, priv->cfg.pixels, bige);
     return E_SUCCESS;
 }
 
@@ -60,6 +60,6 @@ error_t UU_Npx_GetCount(Unit *unit, uint16_t *count)
     CHECK_TYPE(unit, &UNIT_NEOPIXEL);
 
     struct priv *priv = unit->data;
-    *count = priv->pixels;
+    *count = priv->cfg.pixels;
     return E_SUCCESS;
 }

units/neopixel/_npx_init.c

@@ -16,9 +16,8 @@ error_t Npx_preInit(Unit *unit)
     if (priv == NULL) return E_OUT_OF_MEM;
 
     // some defaults
-    priv->pin_number = 0;
+    priv->cfg.pin = R_PA0;
-    priv->port_name = 'A';
+    priv->cfg.pixels = 1;
-    priv->pixels = 1;
 
     return E_SUCCESS;
 }
@@ -30,13 +29,9 @@ error_t Npx_init(Unit *unit)
     struct priv *priv = unit->data;
 
     // --- Parse config ---
-    priv->ll_pin = hw_pin2ll(priv->pin_number, &suc);
+    suc = hw_pinrsc2ll(priv->cfg.pin, &priv->port, &priv->ll_pin);
-    priv->port = hw_port2periph(priv->port_name, &suc);
-    Resource rsc = hw_pin2resource(priv->port_name, priv->pin_number, &suc);
     if (!suc) return E_BAD_CONFIG;
-
+    TRY(rsc_claim(unit, priv->cfg.pin));
-    // --- Claim resources ---
-    TRY(rsc_claim(unit, rsc));
 
     // --- Init hardware ---
     LL_GPIO_SetPinMode(priv->port, priv->ll_pin, LL_GPIO_MODE_OUTPUT);
@@ -45,7 +40,7 @@ error_t Npx_init(Unit *unit)
 
     // clear strip
 
-    ws2812_clear(priv->port, priv->ll_pin, priv->pixels);
+    ws2812_clear(priv->port, priv->ll_pin, priv->cfg.pixels);
 
     return E_SUCCESS;
 }

units/neopixel/_npx_internal.h

@@ -13,9 +13,10 @@
 
 /** Private data structure */
 struct priv {
-    char port_name;
+    struct {
-    uint8_t pin_number;
+        Resource pin;
         uint16_t pixels;
+    } cfg;
 
     uint32_t ll_pin;
     GPIO_TypeDef *port;

units/neopixel/_npx_settings.c

@@ -13,9 +13,8 @@ void Npx_loadBinary(Unit *unit, PayloadParser *pp)
 {
     struct priv *priv = unit->data;
 
-    priv->port_name = pp_char(pp);
+    priv->cfg.pin = (Resource) pp_u8(pp);
-    priv->pin_number = pp_u8(pp);
+    priv->cfg.pixels = pp_u16(pp);
-    priv->pixels = pp_u16(pp);
 }
 
 /** Write to a binary buffer for storing in Flash */
@@ -23,9 +22,8 @@ void Npx_writeBinary(Unit *unit, PayloadBuilder *pb)
 {
     struct priv *priv = unit->data;
 
-    pb_char(pb, priv->port_name);
+    pb_u8(pb, priv->cfg.pin);
-    pb_u8(pb, priv->pin_number);
+    pb_u16(pb, priv->cfg.pixels);
-    pb_u16(pb, priv->pixels);
 }
 
 // ------------------------------------------------------------------------
@@ -37,10 +35,10 @@ error_t Npx_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "pin")) {
-        suc = parse_pin(value, &priv->port_name, &priv->pin_number);
+        priv->cfg.pin = cfg_pinrsc_parse(value, &suc);
     }
     else if (streq(key, "pixels")) {
-        priv->pixels = (uint16_t) avr_atoi(value);
+        priv->cfg.pixels = cfg_u16_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -56,8 +54,8 @@ void Npx_writeIni(Unit *unit, IniWriter *iw)
     struct priv *priv = unit->data;
 
     iw_comment(iw, "Data pin");
-    iw_entry(iw, "pin", "%c%d", priv->port_name,  priv->pin_number);
+    iw_entry_s(iw, "pin", cfg_pinrsc_encode(priv->cfg.pin));
 
     iw_comment(iw, "Number of pixels");
-    iw_entry(iw, "pixels", "%d", priv->pixels);
+    iw_entry_d(iw, "pixels", priv->cfg.pixels);
 }

units/simple_pwm/_pwmdim_api.c

@@ -0,0 +1,64 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+#include "unit_pwmdim.h"
+
+#define PWMDIM_INTERNAL
+#include "_pwmdim_internal.h"
+
+error_t UPWMDIM_SetFreq(Unit *unit, uint32_t freq)
+{
+    struct priv *priv = unit->data;
+
+    uint16_t presc;
+    uint32_t count;
+    float real_freq;
+    if (!hw_solve_timer(PLAT_APB1_HZ, freq, true, &presc, &count, &real_freq)) {
+        dbg("Failed to resolve timer params.");
+        return E_BAD_VALUE;
+    }
+    LL_TIM_SetPrescaler(priv->TIMx, (uint32_t) (presc - 1));
+    LL_TIM_SetAutoReload(priv->TIMx, count - 1);
+
+    // we must re-calculate duty cycles because they are absolute related to the ARR which we just changed
+    UPWMDIM_SetDuty(unit, 0, priv->duty1);
+    UPWMDIM_SetDuty(unit, 1, priv->duty2);
+    UPWMDIM_SetDuty(unit, 2, priv->duty3);
+    UPWMDIM_SetDuty(unit, 3, priv->duty4);
+
+//    LL_TIM_GenerateEvent_UPDATE(priv->TIMx); // - this appears to cause jumpiness
+    priv->freq = freq;
+
+    return E_SUCCESS;
+}
+
+error_t UPWMDIM_SetDuty(Unit *unit, uint8_t ch, uint16_t duty1000)
+{
+    struct priv *priv = unit->data;
+
+    uint32_t cnt = (LL_TIM_GetAutoReload(priv->TIMx) + 1)*duty1000 / 1000;
+
+    if (ch == 0) {
+        priv->duty1 = duty1000;
+        LL_TIM_OC_SetCompareCH1(priv->TIMx, cnt);
+    }
+    else if (ch == 1) {
+        priv->duty2 = duty1000;
+        LL_TIM_OC_SetCompareCH2(priv->TIMx, cnt);
+    }
+    else if (ch == 2) {
+        priv->duty3 = duty1000;
+        LL_TIM_OC_SetCompareCH3(priv->TIMx, cnt);
+    }
+    else if (ch == 3) {
+        priv->duty4 = duty1000;
+        LL_TIM_OC_SetCompareCH4(priv->TIMx, cnt);
+    } else {
+        return E_BAD_VALUE;
+    }
+
+    return E_SUCCESS;
+}

units/simple_pwm/_pwmdim_init.c

@@ -0,0 +1,170 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+
+#define PWMDIM_INTERNAL
+#include "_pwmdim_internal.h"
+
+/** Allocate data structure and set defaults */
+error_t UPWMDIM_preInit(Unit *unit)
+{
+    struct priv *priv = unit->data = calloc_ck(1, sizeof(struct priv));
+    if (priv == NULL) return E_OUT_OF_MEM;
+
+    priv->cfg.freq = 1000;
+    priv->cfg.ch1_choice = 1;
+    priv->cfg.ch2_choice = 0;
+    priv->cfg.ch3_choice = 0;
+    priv->cfg.ch4_choice = 0;
+
+    priv->duty1 = 500;
+    priv->duty2 = 500;
+    priv->duty3 = 500;
+    priv->duty4 = 500;
+
+    return E_SUCCESS;
+}
+
+/** Finalize unit set-up */
+error_t UPWMDIM_init(Unit *unit)
+{
+    bool suc = true;
+    struct priv *priv = unit->data;
+
+    TRY(rsc_claim(unit, R_TIM3));
+    priv->TIMx = TIM3;
+    hw_periph_clock_enable(priv->TIMx);
+
+    // copy the default frequency
+    priv->freq = priv->cfg.freq;
+
+    const Resource ch1_pins[] = { R_PA6, R_PB4, R_PC6 };
+    const uint32_t ch1_af[]   = { LL_GPIO_AF_1, LL_GPIO_AF_1, LL_GPIO_AF_0 };
+
+    const Resource ch2_pins[] = { R_PA7, R_PB5, R_PC7 };
+    const uint32_t ch2_af[]   = { LL_GPIO_AF_1, LL_GPIO_AF_1, LL_GPIO_AF_0 };
+
+    const Resource ch3_pins[] = { R_PB0, R_PC8 };
+    const uint32_t ch3_af[]   = { LL_GPIO_AF_1, LL_GPIO_AF_0 };
+
+    const Resource ch4_pins[] = { R_PB1, R_PC9 };
+    const uint32_t ch4_af[]   = { LL_GPIO_AF_1, LL_GPIO_AF_0 };
+
+    Resource r[4] = {};
+    uint32_t af[4] = {};
+
+    // --- resolve pins and AFs ---
+    if (priv->cfg.ch1_choice > 0) {
+        if (priv->cfg.ch1_choice > 3) return E_BAD_CONFIG;
+        r[0] = ch1_pins[priv->cfg.ch1_choice - 1];
+        af[0] = ch1_af[priv->cfg.ch1_choice - 1];
+        TRY(rsc_claim(unit, r[0]));
+    }
+
+    if (priv->cfg.ch2_choice > 0) {
+        if (priv->cfg.ch2_choice > 3) return E_BAD_CONFIG;
+        r[1] = ch2_pins[priv->cfg.ch2_choice - 1];
+        af[1] = ch2_af[priv->cfg.ch2_choice - 1];
+        TRY(rsc_claim(unit, r[1]));
+    }
+
+    if (priv->cfg.ch3_choice > 0) {
+        if (priv->cfg.ch3_choice > 2) return E_BAD_CONFIG;
+        r[2] = ch3_pins[priv->cfg.ch3_choice - 1];
+        af[2] = ch3_af[priv->cfg.ch3_choice - 1];
+        TRY(rsc_claim(unit, r[2]));
+    }
+
+    if (priv->cfg.ch4_choice > 0) {
+        if (priv->cfg.ch4_choice > 2) return E_BAD_CONFIG;
+        r[3] = ch4_pins[priv->cfg.ch4_choice - 1];
+        af[3] = ch4_af[priv->cfg.ch4_choice - 1];
+        TRY(rsc_claim(unit, r[3]));
+    }
+
+    // --- configure AF + timer ---
+    LL_TIM_DeInit(priv->TIMx); // force a reset
+
+    uint16_t presc;
+    uint32_t count;
+    float real_freq;
+    if (!hw_solve_timer(PLAT_APB1_HZ, priv->freq, true, &presc, &count, &real_freq)) {
+        dbg("Failed to resolve timer params.");
+        return E_BAD_VALUE;
+    }
+    LL_TIM_SetPrescaler(priv->TIMx, (uint32_t) (presc - 1));
+    LL_TIM_SetAutoReload(priv->TIMx, count - 1);
+    LL_TIM_EnableARRPreload(priv->TIMx);
+
+    dbg("Presc %d, cnt %d", (int)presc, (int)count);
+
+    // TODO this can probably be turned into a loop over an array of structs
+
+
+    if (priv->cfg.ch1_choice > 0) {
+        TRY(hw_configure_gpiorsc_af(r[0], af[0]));
+
+        LL_TIM_OC_EnablePreload(priv->TIMx, LL_TIM_CHANNEL_CH1);
+        LL_TIM_OC_SetMode(priv->TIMx, LL_TIM_CHANNEL_CH1, LL_TIM_OCMODE_PWM1);
+        LL_TIM_OC_SetCompareCH1(priv->TIMx, count/2);
+        LL_TIM_CC_EnablePreload(priv->TIMx);
+        LL_TIM_CC_EnableChannel(priv->TIMx, LL_TIM_CHANNEL_CH1);
+    }
+
+    if (priv->cfg.ch2_choice > 0) {
+        TRY(hw_configure_gpiorsc_af(r[1], af[1]));
+
+        LL_TIM_OC_EnablePreload(priv->TIMx, LL_TIM_CHANNEL_CH2);
+        LL_TIM_OC_SetMode(priv->TIMx, LL_TIM_CHANNEL_CH2, LL_TIM_OCMODE_PWM1);
+        LL_TIM_OC_SetCompareCH2(priv->TIMx, count/2);
+        LL_TIM_CC_EnableChannel(priv->TIMx, LL_TIM_CHANNEL_CH2);
+    }
+
+    if (priv->cfg.ch3_choice > 0) {
+        TRY(hw_configure_gpiorsc_af(r[2], af[2]));
+
+        LL_TIM_OC_EnablePreload(priv->TIMx, LL_TIM_CHANNEL_CH3);
+        LL_TIM_OC_SetMode(priv->TIMx, LL_TIM_CHANNEL_CH3, LL_TIM_OCMODE_PWM1);
+        LL_TIM_OC_SetCompareCH3(priv->TIMx, count/2);
+        LL_TIM_CC_EnableChannel(priv->TIMx, LL_TIM_CHANNEL_CH3);
+    }
+
+    if (priv->cfg.ch4_choice > 0) {
+        TRY(hw_configure_gpiorsc_af(r[3], af[3]));
+
+        LL_TIM_OC_EnablePreload(priv->TIMx, LL_TIM_CHANNEL_CH4);
+        LL_TIM_OC_SetMode(priv->TIMx, LL_TIM_CHANNEL_CH4, LL_TIM_OCMODE_PWM1);
+        LL_TIM_OC_SetCompareCH4(priv->TIMx, count/2);
+        LL_TIM_CC_EnableChannel(priv->TIMx, LL_TIM_CHANNEL_CH4);
+    }
+
+    LL_TIM_GenerateEvent_UPDATE(priv->TIMx);
+    LL_TIM_EnableAllOutputs(priv->TIMx);
+
+    // postpone this for later - when user uses the start command.
+    // prevents beeping right after restart if used for audio.
+//    LL_TIM_EnableCounter(priv->TIMx);
+
+    return E_SUCCESS;
+}
+
+
+/** Tear down the unit */
+void UPWMDIM_deInit(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    // de-init peripherals
+    if (unit->status == E_SUCCESS ) {
+        LL_TIM_DeInit(priv->TIMx);
+    }
+
+    // Release all resources, deinit pins
+    rsc_teardown(unit);
+
+    // Free memory
+    free_ck(unit->data);
+}

units/simple_pwm/_pwmdim_internal.h

@@ -0,0 +1,65 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#ifndef GEX_F072_PWMDIM_INTERNAL_H
+#define GEX_F072_PWMDIM_INTERNAL_H
+
+#ifndef PWMDIM_INTERNAL
+#error bad include!
+#endif
+
+#include "unit_base.h"
+
+/** Private data structure */
+struct priv {
+    // settings
+    struct {
+        uint32_t freq;
+        uint8_t ch1_choice;
+        uint8_t ch2_choice;
+        uint8_t ch3_choice;
+        uint8_t ch4_choice;
+    } cfg;
+
+    // internal state
+    uint32_t freq;
+    uint16_t duty1;
+    uint16_t duty2;
+    uint16_t duty3;
+    uint16_t duty4;
+
+    TIM_TypeDef *TIMx;
+};
+
+/** Allocate data structure and set defaults */
+error_t UPWMDIM_preInit(Unit *unit);
+
+/** Load from a binary buffer stored in Flash */
+void UPWMDIM_loadBinary(Unit *unit, PayloadParser *pp);
+
+/** Write to a binary buffer for storing in Flash */
+void UPWMDIM_writeBinary(Unit *unit, PayloadBuilder *pb);
+
+// ------------------------------------------------------------------------
+
+/** Parse a key-value pair from the INI file */
+error_t UPWMDIM_loadIni(Unit *unit, const char *key, const char *value);
+
+/** Generate INI file section for the unit */
+void UPWMDIM_writeIni(Unit *unit, IniWriter *iw);
+
+// ------------------------------------------------------------------------
+
+/** Finalize unit set-up */
+error_t UPWMDIM_init(Unit *unit);
+
+/** Tear down the unit */
+void UPWMDIM_deInit(Unit *unit);
+
+
+error_t UPWMDIM_SetFreq(Unit *unit, uint32_t freq);
+
+error_t UPWMDIM_SetDuty(Unit *unit, uint8_t ch, uint16_t duty1000);
+
+#endif //GEX_F072_PWMDIM_INTERNAL_H

units/simple_pwm/_pwmdim_settings.c

@@ -0,0 +1,89 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+
+#define PWMDIM_INTERNAL
+#include "_pwmdim_internal.h"
+
+/** Load from a binary buffer stored in Flash */
+void UPWMDIM_loadBinary(Unit *unit, PayloadParser *pp)
+{
+    struct priv *priv = unit->data;
+
+    uint8_t version = pp_u8(pp);
+    (void)version;
+
+    priv->cfg.freq = pp_u32(pp);
+    priv->cfg.ch1_choice = pp_u8(pp);
+    priv->cfg.ch2_choice = pp_u8(pp);
+    priv->cfg.ch3_choice = pp_u8(pp);
+    priv->cfg.ch4_choice = pp_u8(pp);
+}
+
+/** Write to a binary buffer for storing in Flash */
+void UPWMDIM_writeBinary(Unit *unit, PayloadBuilder *pb)
+{
+    struct priv *priv = unit->data;
+
+    pb_u8(pb, 0); // version
+
+    pb_u32(pb, priv->cfg.freq);
+    pb_u8(pb, priv->cfg.ch1_choice);
+    pb_u8(pb, priv->cfg.ch2_choice);
+    pb_u8(pb, priv->cfg.ch3_choice);
+    pb_u8(pb, priv->cfg.ch4_choice);
+}
+
+// ------------------------------------------------------------------------
+
+/** Parse a key-value pair from the INI file */
+error_t UPWMDIM_loadIni(Unit *unit, const char *key, const char *value)
+{
+    bool suc = true;
+    struct priv *priv = unit->data;
+
+    if (streq(key, "frequency")) {
+        priv->cfg.freq = cfg_u32_parse(value, &suc);
+    }
+    else if (streq(key, "ch1_pin")) {
+        priv->cfg.ch1_choice = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "ch2_pin")) {
+        priv->cfg.ch2_choice = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "ch3_pin")) {
+        priv->cfg.ch3_choice = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "ch4_pin")) {
+        priv->cfg.ch4_choice = cfg_u8_parse(value, &suc);
+    }
+    else {
+        return E_BAD_KEY;
+    }
+
+    if (!suc) return E_BAD_VALUE;
+    return E_SUCCESS;
+}
+
+/** Generate INI file section for the unit */
+void UPWMDIM_writeIni(Unit *unit, IniWriter *iw)
+{
+    struct priv *priv = unit->data;
+
+    iw_comment(iw, "Default pulse frequency (Hz)");
+    iw_entry_d(iw, "frequency", priv->cfg.freq);
+
+    iw_comment(iw, "Pin mapping - 0=disabled");
+    iw_comment(iw, "Channel1 - 1:PA6, 2:PB4, 3:PC6");
+    iw_entry_d(iw, "ch1_pin", priv->cfg.ch1_choice);
+    iw_comment(iw, "Channel2 - 1:PA7, 2:PB5, 3:PC7");
+    iw_entry_d(iw, "ch2_pin", priv->cfg.ch2_choice);
+    iw_comment(iw, "Channel3 - 1:PB0, 2:PC8");
+    iw_entry_d(iw, "ch3_pin", priv->cfg.ch3_choice);
+    iw_comment(iw, "Channel4 - 1:PB1, 2:PC9");
+    iw_entry_d(iw, "ch4_pin", priv->cfg.ch4_choice);
+}
+

units/simple_pwm/unit_pwmdim.c

@@ -0,0 +1,69 @@
+//
+// Created by MightyPork on 2017/11/25.
+//
+
+#include "unit_base.h"
+#include "unit_pwmdim.h"
+
+#define PWMDIM_INTERNAL
+#include "_pwmdim_internal.h"
+
+// ------------------------------------------------------------------------
+
+enum PwmSimpleCmd_ {
+    CMD_SET_FREQUENCY = 0,
+    CMD_SET_DUTY = 1,
+    CMD_STOP = 2,
+    CMD_START = 3,
+};
+
+/** Handle a request message */
+static error_t UPWMDIM_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
+{
+    struct priv *priv = unit->data;
+
+    switch (command) {
+        case CMD_SET_FREQUENCY:
+            TRY(UPWMDIM_SetFreq(unit, pp_u32(pp)));
+            return E_SUCCESS;
+
+        case CMD_SET_DUTY:
+            for (; pp_length(pp) > 0;) {
+                uint8_t ch = pp_u8(pp);
+                uint16_t duty = pp_u16(pp);
+                TRY(UPWMDIM_SetDuty(unit, ch, duty));
+            }
+            return E_SUCCESS;
+
+        case CMD_STOP:
+            LL_TIM_DisableCounter(priv->TIMx);
+            LL_TIM_SetCounter(priv->TIMx, 0);
+            return E_SUCCESS;
+
+        case CMD_START:
+            LL_TIM_EnableCounter(priv->TIMx);
+            return E_SUCCESS;
+
+        default:
+            return E_UNKNOWN_COMMAND;
+    }
+}
+
+// ------------------------------------------------------------------------
+
+/** Simple PWM dimming output */
+const UnitDriver UNIT_PWMDIM = {
+    .name = "PWMDIM",
+    .description = "Simple PWM output",
+    // Settings
+    .preInit = UPWMDIM_preInit,
+    .cfgLoadBinary = UPWMDIM_loadBinary,
+    .cfgWriteBinary = UPWMDIM_writeBinary,
+    .cfgLoadIni = UPWMDIM_loadIni,
+    .cfgWriteIni = UPWMDIM_writeIni,
+    // Init
+    .init = UPWMDIM_init,
+    .deInit = UPWMDIM_deInit,
+    // Function
+    .handleRequest = UPWMDIM_handleRequest,
+};

units/simple_pwm/unit_pwmdim.h

@@ -0,0 +1,16 @@
+//
+// Created by MightyPork on 2017/11/25.
+//
+// Digital input unit; single or multiple pin read access on one port (A-F)
+//
+
+#ifndef U_PWMDIM_H
+#define U_PWMDIM_H
+
+#include "unit.h"
+
+extern const UnitDriver UNIT_PWMDIM;
+
+// UU_ prototypes
+
+#endif //U_PWMDIM_H

units/sipo/_sipo_api.c

@@ -43,7 +43,7 @@ error_t UU_SIPO_Write(Unit *unit, const uint8_t *buffer, uint16_t buflen, uint16
     // buffer contains data for the individual data pins, back to back as AAA BBB CCC (whole bytes)
     const uint8_t data_width = priv->data_width;
     const uint16_t bytelen = buflen / data_width;
-    const uint16_t mask = priv->data_pins;
+    const uint16_t mask = priv->cfg.data_pins;
 
     uint8_t offsets[16];
     for (int i=0; i<16; i++) offsets[i] = (uint8_t) (bytelen * i);
@@ -61,7 +61,7 @@ error_t UU_SIPO_Write(Unit *unit, const uint8_t *buffer, uint16_t buflen, uint16
             priv->data_port->BSRR = spread | (((~spread) & mask) << 16);
 
             // Shift clock pulse
-            send_pulse(priv->shift_pol, priv->shift_port, priv->shift_ll);
+            send_pulse(priv->cfg.shift_pol, priv->shift_port, priv->shift_ll);
         }
     }
 
@@ -70,7 +70,7 @@ error_t UU_SIPO_Write(Unit *unit, const uint8_t *buffer, uint16_t buflen, uint16
     uint16_t spread = pinmask_spread(terminal_data, mask);
     priv->data_port->BSRR = spread | (((~spread) & mask) << 16);
 
-    send_pulse(priv->store_pol, priv->store_port, priv->store_ll);
+    send_pulse(priv->cfg.store_pol, priv->store_port, priv->store_ll);
     return E_SUCCESS;
 }
 #pragma GCC pop_options
@@ -80,8 +80,8 @@ error_t UU_SIPO_DirectData(Unit *unit, uint16_t data_packed)
     CHECK_TYPE(unit, &UNIT_SIPO);
     struct priv *priv = unit->data;
 
-    uint16_t spread = pinmask_spread(data_packed, priv->data_pins);
+    uint16_t spread = pinmask_spread(data_packed, priv->cfg.data_pins);
-    priv->data_port->BSRR = spread | (((~spread) & priv->data_pins) << 16);
+    priv->data_port->BSRR = spread | (((~spread) & priv->cfg.data_pins) << 16);
     return E_SUCCESS;
 }
 
@@ -89,7 +89,7 @@ error_t UU_SIPO_DirectClear(Unit *unit)
 {
     CHECK_TYPE(unit, &UNIT_SIPO);
     struct priv *priv = unit->data;
-    send_pulse(priv->clear_pol, priv->clear_port, priv->clear_ll);
+    send_pulse(priv->cfg.clear_pol, priv->clear_port, priv->clear_ll);
     return E_SUCCESS;
 }
 
@@ -97,7 +97,7 @@ error_t UU_SIPO_DirectShift(Unit *unit)
 {
     CHECK_TYPE(unit, &UNIT_SIPO);
     struct priv *priv = unit->data;
-    send_pulse(priv->shift_pol, priv->shift_port, priv->shift_ll);
+    send_pulse(priv->cfg.shift_pol, priv->shift_port, priv->shift_ll);
     return E_SUCCESS;
 }
 
@@ -105,6 +105,6 @@ error_t UU_SIPO_DirectStore(Unit *unit)
 {
     CHECK_TYPE(unit, &UNIT_SIPO);
     struct priv *priv = unit->data;
-    send_pulse(priv->store_pol, priv->store_port, priv->store_ll);
+    send_pulse(priv->cfg.store_pol, priv->store_port, priv->store_ll);
     return E_SUCCESS;
 }

units/sipo/_sipo_init.c

@@ -14,20 +14,17 @@ error_t USIPO_preInit(Unit *unit)
     struct priv *priv = unit->data = calloc_ck(1, sizeof(struct priv));
     if (priv == NULL) return E_OUT_OF_MEM;
 
-    priv->store_pname = 'A';
+    priv->cfg.pin_store = R_PA0;
-    priv->store_pnum = 0;
+    priv->cfg.store_pol = true;
-    priv->store_pol = true;
 
-    priv->shift_pname = 'A';
+    priv->cfg.pin_shift = R_PA1;
-    priv->shift_pnum = 1;
+    priv->cfg.shift_pol = true;
-    priv->shift_pol = true;
 
-    priv->clear_pname = 'A';
+    priv->cfg.pin_clear = R_PA2;
-    priv->clear_pnum = 2;
+    priv->cfg.clear_pol = false;
-    priv->clear_pol = false;
 
-    priv->data_pname = 'A';
+    priv->cfg.data_pname = 'A';
-    priv->data_pins = (1<<3);
+    priv->cfg.data_pins = (1<<3);
 
     return E_SUCCESS;
 }
@@ -39,33 +36,23 @@ error_t USIPO_init(Unit *unit)
     struct priv *priv = unit->data;
 
     // --- Parse config ---
-    priv->store_ll = hw_pin2ll(priv->store_pnum, &suc);
+    suc &= hw_pinrsc2ll(priv->cfg.pin_store, &priv->store_port, &priv->store_ll);
-    priv->store_port = hw_port2periph(priv->store_pname, &suc);
+    suc &= hw_pinrsc2ll(priv->cfg.pin_shift, &priv->shift_port, &priv->shift_ll);
-    Resource store_rsc = hw_pin2resource(priv->store_pname, priv->store_pnum, &suc);
+    suc &= hw_pinrsc2ll(priv->cfg.pin_clear, &priv->clear_port, &priv->clear_ll);
     if (!suc) return E_BAD_CONFIG;
-    TRY(rsc_claim(unit, store_rsc));
+    TRY(rsc_claim(unit, priv->cfg.pin_store));
-
+    TRY(rsc_claim(unit, priv->cfg.pin_shift));
-    priv->shift_ll = hw_pin2ll(priv->shift_pnum, &suc);
+    TRY(rsc_claim(unit, priv->cfg.pin_clear));
-    priv->shift_port = hw_port2periph(priv->shift_pname, &suc);
-    Resource shift_rsc = hw_pin2resource(priv->shift_pname, priv->shift_pnum, &suc);
-    if (!suc) return E_BAD_CONFIG;
-    TRY(rsc_claim(unit, shift_rsc));
-
-    priv->clear_ll = hw_pin2ll(priv->clear_pnum, &suc);
-    priv->clear_port = hw_port2periph(priv->clear_pname, &suc);
-    Resource clear_rsc = hw_pin2resource(priv->clear_pname, priv->clear_pnum, &suc);
-    if (!suc) return E_BAD_CONFIG;
-    TRY(rsc_claim(unit, clear_rsc));
 
     // Claim all needed pins
-    TRY(rsc_claim_gpios(unit, priv->data_pname, priv->data_pins));
+    TRY(rsc_claim_gpios(unit, priv->cfg.data_pname, priv->cfg.data_pins));
-    priv->data_port = hw_port2periph(priv->data_pname, &suc);
+    priv->data_port = hw_port2periph(priv->cfg.data_pname, &suc);
 
     // --- Init hardware ---
 
     priv->data_width = 0;
     for (int i = 0; i < 16; i++) {
-        if (priv->data_pins & (1 << i)) {
+        if (priv->cfg.data_pins & (1 << i)) {
             uint32_t ll_pin = hw_pin2ll((uint8_t) i, &suc);
             LL_GPIO_SetPinMode(priv->data_port, ll_pin, LL_GPIO_MODE_OUTPUT);
             LL_GPIO_SetPinOutputType(priv->data_port, ll_pin, LL_GPIO_OUTPUT_PUSHPULL);
@@ -75,7 +62,7 @@ error_t USIPO_init(Unit *unit)
     }
 
     // Set the initial state - zeros
-    priv->data_port->ODR &= ~priv->data_pins;
+    priv->data_port->ODR &= ~priv->cfg.data_pins;
 
 
     // STORE
@@ -83,7 +70,7 @@ error_t USIPO_init(Unit *unit)
     LL_GPIO_SetPinOutputType(priv->store_port, priv->store_ll, LL_GPIO_OUTPUT_PUSHPULL);
     LL_GPIO_SetPinSpeed(priv->store_port, priv->store_ll, LL_GPIO_SPEED_FREQ_HIGH);
 
-    if (priv->store_pol)
+    if (priv->cfg.store_pol)
         LL_GPIO_ResetOutputPin(priv->store_port, priv->store_ll);
     else
         LL_GPIO_SetOutputPin(priv->store_port, priv->store_ll);
@@ -93,7 +80,7 @@ error_t USIPO_init(Unit *unit)
     LL_GPIO_SetPinOutputType(priv->shift_port, priv->shift_ll, LL_GPIO_OUTPUT_PUSHPULL);
     LL_GPIO_SetPinSpeed(priv->shift_port, priv->shift_ll, LL_GPIO_SPEED_FREQ_HIGH);
 
-    if (priv->shift_pol)
+    if (priv->cfg.shift_pol)
         LL_GPIO_ResetOutputPin(priv->shift_port, priv->shift_ll);
     else
         LL_GPIO_SetOutputPin(priv->shift_port, priv->shift_ll);
@@ -103,7 +90,7 @@ error_t USIPO_init(Unit *unit)
     LL_GPIO_SetPinOutputType(priv->clear_port, priv->clear_ll, LL_GPIO_OUTPUT_PUSHPULL);
     LL_GPIO_SetPinSpeed(priv->clear_port, priv->clear_ll, LL_GPIO_SPEED_FREQ_HIGH);
 
-    if (priv->clear_pol)
+    if (priv->cfg.clear_pol)
         LL_GPIO_ResetOutputPin(priv->clear_port, priv->clear_ll);
     else
         LL_GPIO_SetOutputPin(priv->clear_port, priv->clear_ll);

units/sipo/_sipo_internal.h

@@ -13,21 +13,20 @@
 
 /** Private data structure */
 struct priv {
+    struct {
         // settings
-    char    store_pname;
+        Resource pin_store;
-    uint8_t store_pnum;
         bool store_pol;   //!< Store pulse active edge
 
-    char    shift_pname;
+        Resource pin_shift;
-    uint8_t shift_pnum;
         bool shift_pol;   //!< Shift clock active edge
 
-    char    clear_pname;
+        Resource pin_clear;
-    uint8_t clear_pnum;
         bool clear_pol;   //!< Clear signal active level
 
         char data_pname;
         uint16_t data_pins;
+    } cfg;
 
     // live fields
     uint32_t store_ll;

units/sipo/_sipo_settings.c

@@ -16,20 +16,17 @@ void USIPO_loadBinary(Unit *unit, PayloadParser *pp)
     uint8_t version = pp_u8(pp);
     (void)version;
 
-    priv->store_pname = pp_char(pp);
+    priv->cfg.pin_store = (Resource) pp_u8(pp);
-    priv->store_pnum = pp_u8(pp);
+    priv->cfg.store_pol = pp_bool(pp);
-    priv->store_pol = pp_bool(pp);
 
-    priv->shift_pname = pp_char(pp);
+    priv->cfg.pin_shift = (Resource) pp_u8(pp);
-    priv->shift_pnum = pp_u8(pp);
+    priv->cfg.shift_pol = pp_bool(pp);
-    priv->shift_pol = pp_bool(pp);
 
-    priv->clear_pname = pp_char(pp);
+    priv->cfg.pin_clear = (Resource) pp_u8(pp);
-    priv->clear_pnum = pp_u8(pp);
+    priv->cfg.clear_pol = pp_bool(pp);
-    priv->clear_pol = pp_bool(pp);
 
-    priv->data_pname = pp_char(pp);
+    priv->cfg.data_pname = pp_char(pp);
-    priv->data_pins = pp_u16(pp);
+    priv->cfg.data_pins = pp_u16(pp);
 }
 
 /** Write to a binary buffer for storing in Flash */
@@ -39,20 +36,17 @@ void USIPO_writeBinary(Unit *unit, PayloadBuilder *pb)
 
     pb_u8(pb, 0); // version
 
-    pb_char(pb, priv->store_pname);
+    pb_u8(pb, priv->cfg.pin_store);
-    pb_u8(pb, priv->store_pnum);
+    pb_bool(pb, priv->cfg.store_pol);
-    pb_bool(pb, priv->store_pol);
 
-    pb_char(pb, priv->shift_pname);
+    pb_u8(pb, priv->cfg.pin_shift);
-    pb_u8(pb, priv->shift_pnum);
+    pb_bool(pb, priv->cfg.shift_pol);
-    pb_bool(pb, priv->shift_pol);
 
-    pb_char(pb, priv->clear_pname);
+    pb_u8(pb, priv->cfg.pin_clear);
-    pb_u8(pb, priv->clear_pnum);
+    pb_bool(pb, priv->cfg.clear_pol);
-    pb_bool(pb, priv->clear_pol);
 
-    pb_char(pb, priv->data_pname);
+    pb_char(pb, priv->cfg.data_pname);
-    pb_u16(pb, priv->data_pins);
+    pb_u16(pb, priv->cfg.data_pins);
 }
 
 // ------------------------------------------------------------------------
@@ -64,30 +58,30 @@ error_t USIPO_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "store-pin")) {
-        suc = parse_pin(value, &priv->store_pname, &priv->store_pnum);
+        priv->cfg.pin_store = cfg_pinrsc_parse(value, &suc);
     }
     else if (streq(key, "shift-pin")) {
-        suc = parse_pin(value, &priv->shift_pname, &priv->shift_pnum);
+        priv->cfg.pin_shift = cfg_pinrsc_parse(value, &suc);
     }
     else if (streq(key, "clear-pin")) {
-        suc = parse_pin(value, &priv->clear_pname, &priv->clear_pnum);
+        priv->cfg.pin_clear = cfg_pinrsc_parse(value, &suc);
     }
 
     else if (streq(key, "store-pol")) {
-        priv->store_pol = (bool) avr_atoi(value);
+        priv->cfg.store_pol = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "shift-pol")) {
-        priv->shift_pol = (bool) avr_atoi(value);
+        priv->cfg.shift_pol = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "clear-pol")) {
-        priv->clear_pol = (bool) avr_atoi(value);
+        priv->cfg.clear_pol = cfg_bool_parse(value, &suc);
     }
 
     else if (streq(key, "data-port")) {
-        suc = parse_port_name(value, &priv->data_pname);
+        suc = cfg_port_parse(value, &priv->cfg.data_pname);
     }
     else if (streq(key, "data-pins")) {
-        priv->data_pins = (uint16_t) parse_pinmask(value, &suc);
+        priv->cfg.data_pins = cfg_pinmask_parse(value, &suc);
     }
 
     else {
@@ -104,19 +98,19 @@ void USIPO_writeIni(Unit *unit, IniWriter *iw)
     struct priv *priv = unit->data;
 
     iw_comment(iw, "Shift pin & its active edge (1-rising,0-falling)");
-    iw_entry(iw, "shift-pin", "%c%d", priv->shift_pname,  priv->shift_pnum);
+    iw_entry_s(iw, "shift-pin", cfg_pinrsc_encode(priv->cfg.pin_shift));
-    iw_entry(iw, "shift-pol", "%d", priv->shift_pol);
+    iw_entry_d(iw, "shift-pol", priv->cfg.shift_pol);
 
     iw_comment(iw, "Store pin & its active edge");
-    iw_entry(iw, "store-pin", "%c%d", priv->store_pname,  priv->store_pnum);
+    iw_entry_s(iw, "store-pin", cfg_pinrsc_encode(priv->cfg.pin_store));
-    iw_entry(iw, "store-pol", "%d", priv->store_pol);
+    iw_entry_d(iw, "store-pol", priv->cfg.store_pol);
 
     iw_comment(iw, "Clear pin & its active level");
-    iw_entry(iw, "clear-pin", "%c%d", priv->clear_pname,  priv->clear_pnum);
+    iw_entry_s(iw, "clear-pin", cfg_pinrsc_encode(priv->cfg.pin_clear));
-    iw_entry(iw, "clear-pol", "%d", priv->clear_pol);
+    iw_entry_d(iw, "clear-pol", priv->cfg.clear_pol);
 
     iw_comment(iw, "Data port and pins");
-    iw_entry(iw, "data-port", "%c", priv->data_pname);
+    iw_entry(iw, "data-port", "%c", priv->cfg.data_pname);
-    iw_entry(iw, "data-pins", "%s", pinmask2str_up(priv->data_pins, unit_tmp512));
+    iw_entry_s(iw, "data-pins", cfg_pinmask_encode(priv->cfg.data_pins, unit_tmp512, true));
 }
 

units/sipo/unit_sipo.c

@@ -12,7 +12,7 @@
 // ------------------------------------------------------------------------
 
 enum SipoCmd_ {
-    CMD_WRITE = 0,
+    CMD_QUERY = 0,
     CMD_DIRECT_DATA = 1,
     CMD_DIRECT_SHIFT = 2,
     CMD_DIRECT_CLEAR = 3,
@@ -23,7 +23,7 @@ enum SipoCmd_ {
 static error_t USIPO_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
 {
     switch (command) {
-        case CMD_WRITE:
+        case CMD_QUERY:
             {
                 uint32_t len;
                 uint16_t terminal_packed = pp_u16(pp);

units/spi/_spi_init.c

@@ -63,7 +63,7 @@ error_t USPI_init(Unit *unit)
     uint32_t af_spi;
 
     // TODO
-#if GEX_PLAT_F072_DISCOVERY
+#if STM32F072xB
     // SPI1 - many options
     // sck, miso, mosi, af
 
@@ -83,14 +83,14 @@ error_t USPI_init(Unit *unit)
             pin_miso = 4;
             pin_mosi = 5;
         }
-        else if (priv->remap == 2) {
+//        else if (priv->remap == 2) {
-            // large packages only
+//            // large packages only
-            spi_portname = 'E';
+//            spi_portname = 'E';
-            af_spi = LL_GPIO_AF_1;
+//            af_spi = LL_GPIO_AF_1;
-            pin_sck = 13;
+//            pin_sck = 13;
-            pin_miso = 14;
+//            pin_miso = 14;
-            pin_mosi = 15;
+//            pin_mosi = 15;
-        }
+//        }
         else {
             return E_BAD_CONFIG;
         }
@@ -104,14 +104,14 @@ error_t USPI_init(Unit *unit)
             pin_miso = 14;
             pin_mosi = 15;
         }
-        else if (priv->remap == 1) {
+//        else if (priv->remap == 1) {
-            // NOTE: the's also a incomplete remap in PB and PC
+//            // NOTE: there's also an incomplete remap in PB and PC
-            spi_portname = 'D';
+//            spi_portname = 'D';
-            af_spi = LL_GPIO_AF_0;
+//            af_spi = LL_GPIO_AF_0;
-            pin_sck = 1;
+//            pin_sck = 1;
-            pin_miso = 3;
+//            pin_miso = 3;
-            pin_mosi = 4;
+//            pin_mosi = 4;
-        }
+//        }
         else {
             return E_BAD_CONFIG;
         }

units/spi/_spi_settings.c

@@ -58,31 +58,31 @@ error_t USPI_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "device")) {
-        priv->periph_num = (uint8_t) avr_atoi(value);
+        priv->periph_num = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "remap")) {
-        priv->remap = (uint8_t) avr_atoi(value);
+        priv->remap = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "prescaller")) {
-        priv->prescaller = (uint16_t ) avr_atoi(value);
+        priv->prescaller = cfg_u16_parse(value, &suc);
     }
     else if (streq(key, "cpol")) {
-        priv->cpol = (bool) avr_atoi(value);
+        priv->cpol = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "cpha")) {
-        priv->cpha = (bool) avr_atoi(value);
+        priv->cpha = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "tx-only")) {
-        priv->tx_only = str_parse_yn(value, &suc);
+        priv->tx_only = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "first-bit")) {
-        priv->lsb_first = (bool)str_parse_2(value, "MSB", 0, "LSB", 1, &suc);
+        priv->lsb_first = (bool) cfg_enum2_parse(value, "MSB", 0, "LSB", 1, &suc);
     }
     else if (streq(key, "port")) {
-        suc = parse_port_name(value, &priv->ssn_port_name);
+        suc = cfg_port_parse(value, &priv->ssn_port_name);
     }
     else if (streq(key, "pins")) {
-        priv->ssn_pins = parse_pinmask(value, &suc);
+        priv->ssn_pins = cfg_pinmask_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -98,13 +98,13 @@ void USPI_writeIni(Unit *unit, IniWriter *iw)
     struct priv *priv = unit->data;
 
     iw_comment(iw, "Peripheral number (SPIx)");
-    iw_entry(iw, "device", "%d", (int)priv->periph_num);
+    iw_entry_d(iw, "device", priv->periph_num);
 
     // TODO show a legend for peripherals and remaps
     iw_comment(iw, "Pin mappings (SCK,MISO,MOSI)");
-#if GEX_PLAT_F072_DISCOVERY
+#if STM32F072xB
-    iw_comment(iw, " SPI1: (0) A5,A6,A7     (1) B3,B4,B5  (2) E13,E14,E15");
+    iw_comment(iw, " SPI1: (0) A5,A6,A7     (1) B3,B4,B5"); //  (2) E13,E14,E15
-    iw_comment(iw, " SPI2: (0) B13,B14,B15  (1) D1,D3,D4");
+    iw_comment(iw, " SPI2: (0) B13,B14,B15"); //  (1) D1,D3,D4
 #elif GEX_PLAT_F103_BLUEPILL
     #error "NO IMPL"
 #elif GEX_PLAT_F303_DISCOVERY
@@ -114,30 +114,28 @@ void USPI_writeIni(Unit *unit, IniWriter *iw)
 #else
     #error "BAD PLATFORM!"
 #endif
-    iw_entry(iw, "remap", "%d", (int)priv->remap);
+    iw_entry_d(iw, "remap", priv->remap);
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Prescaller: 2,4,8,...,256");
-    iw_entry(iw, "prescaller", "%d", (int)priv->prescaller);
+    iw_entry_d(iw, "prescaller", priv->prescaller);
 
     iw_comment(iw, "Clock polarity: 0,1 (clock idle level)");
-    iw_entry(iw, "cpol", "%d", (int)priv->cpol);
+    iw_entry_d(iw, "cpol", priv->cpol);
 
     iw_comment(iw, "Clock phase: 0,1 (active edge, 0-first, 1-second)");
-    iw_entry(iw, "cpha", "%d", (int)priv->cpha);
+    iw_entry_d(iw, "cpha", priv->cpha);
 
     iw_comment(iw, "Transmit only, disable MISO");
-    iw_entry(iw, "tx-only", str_yn(priv->tx_only));
+    iw_entry_s(iw, "tx-only", str_yn(priv->tx_only));
 
     iw_comment(iw, "Bit order (LSB or MSB first)");
-    iw_entry(iw, "first-bit", str_2((uint32_t)priv->lsb_first,
+    iw_entry_s(iw, "first-bit", cfg_enum2_encode((uint32_t) priv->lsb_first, 0, "MSB", 1, "LSB"));
-                                    0, "MSB",
-                                    1, "LSB"));
 
     iw_cmt_newline(iw);
     iw_comment(iw, "SS port name");
     iw_entry(iw, "port", "%c", priv->ssn_port_name);
 
     iw_comment(iw, "SS pins (comma separated, supports ranges)");
-    iw_entry(iw, "pins", "%s", pinmask2str(priv->ssn_pins, unit_tmp512));
+    iw_entry_s(iw, "pins", cfg_pinmask_encode(priv->ssn_pins, unit_tmp512, 0));
 }

units/spi/unit_spi.c

@@ -15,7 +15,7 @@
 // SPI master
 
 enum PinCmd_ {
-    CMD_TEST = 0,
+    CMD_QUERY = 0,
     CMD_MULTICAST = 1,
 };
 
@@ -33,7 +33,7 @@ static error_t USPI_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, P
 
     switch (command) {
         /** Write and read byte(s) - slave_num:u8, req_len:u16, resp_skip:u16, resp_len:u16, byte(s)  */
-        case CMD_TEST:
+        case CMD_QUERY:
             slave = pp_u8(pp);
             resp_skip = pp_u16(pp);
             resp_len = pp_u16(pp);

units/template/install.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+echo "Enter unit type identifier (empty to cancel):"
+read x
+
+if [ -e $x ]; then
+  exit; 
+fi
+
+xl="${x,,}"
+xu="${x^^}"
+
+for f in *.h; do mv -- "$f" "${f//tpl/$xl}"; done
+for f in *.c; do mv -- "$f" "${f//tpl/$xl}"; done
+
+sed "s/tpl/$xl/" -i *.h
+sed "s/TPL/$xu/" -i *.h
+sed "s/tpl/$xl/" -i *.c
+sed "s/TPL/$xu/" -i *.c
+
+echo "Unit $xu set up completed. Removing installer.."
+rm '!README.TXT'
+rm $0

units/touch/_touch_api.c

@@ -0,0 +1,11 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+#include "unit_touch.h"
+
+#define TOUCH_INTERNAL
+#include "_touch_internal.h"
+

units/touch/_touch_core.c

@@ -0,0 +1,217 @@
+//
+// Created by MightyPork on 2018/02/25.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+#include "unit_touch.h"
+
+#define TOUCH_INTERNAL
+
+#include "_touch_internal.h"
+
+// discharge time in ms
+#define DIS_TIME 1
+
+static void startNextPhase(Unit *unit);
+
+static void UTOUCH_EventReportJob(Job *job)
+{
+    Unit *unit = job->unit;
+    struct priv *priv = unit->data;
+
+    uint8_t buf[8];
+    PayloadBuilder pb = pb_start(buf, 8, NULL);
+    pb_u32(&pb, pinmask_pack_32(~job->data1, priv->all_channels_mask)); // inverted and packed - all pins (pressed state)
+    pb_u32(&pb, pinmask_pack_32(job->data2, priv->all_channels_mask)); // trigger generating pins
+    assert_param(pb.ok);
+
+    EventReport er = {
+        .unit = unit,
+        .type = 0x00,
+        .length = 8,
+        .data = buf,
+        .timestamp = job->timestamp,
+    };
+
+    EventReport_Send(&er);
+}
+
+static void UTOUCH_CheckForBinaryEvents(Unit *const unit)
+{
+    struct priv *priv = unit->data;
+
+    const uint32_t time_ms = PTIM_GetTime();
+
+    if (priv->last_done_ms == 0) {
+        // avoid bug with trigger on first capture
+        priv->last_done_ms = time_ms;
+    }
+
+    const uint64_t ts = PTIM_GetMicrotime();
+    uint32_t eventpins = 0;
+
+    const uint16_t ms_elapsed = (uint16_t) (time_ms - priv->last_done_ms);
+
+    for (uint16_t i = 0; i < 32; i++) {
+        const uint32_t poke = (uint32_t) (1 << i);
+        if (0 == (priv->all_channels_mask & poke)) continue;
+        if (priv->binary_thr[i] == 0) continue; // skip disabled channels
+
+        const bool isactive = (bool) (priv->binary_active_bits & poke);
+        const bool can_go_up = !isactive && (priv->readouts[i] > (priv->binary_thr[i] + priv->binary_hysteresis));
+        const bool can_go_down = isactive && (priv->readouts[i] < priv->binary_thr[i]);
+
+        if (can_go_up) {
+            priv->bin_trig_cnt[i] += ms_elapsed;
+            if (priv->bin_trig_cnt[i] >= priv->binary_debounce_ms) {
+                priv->binary_active_bits |= poke;
+                priv->bin_trig_cnt[i] = 0; // reset for the other direction of the switch
+
+                eventpins |= poke;
+            }
+        }
+        else if (priv->bin_trig_cnt[i] > 0) {
+            priv->bin_trig_cnt[i] = 0;
+        }
+
+        if (can_go_down) {
+            priv->bin_trig_cnt[i] -= ms_elapsed;
+            if (priv->bin_trig_cnt[i] <= -priv->binary_debounce_ms) {
+                priv->binary_active_bits &= ~poke;
+                priv->bin_trig_cnt[i] = 0; // reset for the other direction of the switch
+
+                eventpins |= poke;
+            }
+        }
+        else if (priv->bin_trig_cnt[i] < 0) {
+            priv->bin_trig_cnt[i] = 0;
+        }
+    }
+
+    if (eventpins != 0) {
+        Job j = {
+            .timestamp = ts,
+            .data1 = priv->binary_active_bits,
+            .data2 = eventpins,
+            .unit = unit,
+            .cb = UTOUCH_EventReportJob,
+        };
+
+        scheduleJob(&j);
+    }
+
+    priv->last_done_ms = time_ms;
+}
+
+void UTOUCH_HandleIrq(void *arg)
+{
+    Unit *unit = arg;
+    struct priv *priv = unit->data;
+
+    if (TSC->ISR & TSC_ISR_MCEF) {
+        priv->status = UTSC_STATUS_FAIL;
+        dbg_touch("TSC Failure.");
+        TSC->ICR = TSC_ICR_EOAIC | TSC_ICR_MCEIC;
+    }
+
+    if (TSC->ISR & TSC_ISR_EOAF) {
+        TSC->ICR = TSC_ICR_EOAIC;
+//        assert_param((TSC->IOGCSR>>16) == priv->groups_phase[priv->next_phase]);
+
+        // Store captured data
+        const uint32_t chmask = TSC->IOCCR;
+        for (int i = 0; i < 32; i++) {
+            if (chmask & (1<<i)) {
+                priv->readouts[i] = (uint16_t) (TSC->IOGXCR[i >> 2] & 0x3FFF);
+            }
+        }
+
+        priv->next_phase++;
+
+        if (!priv->cfg.interlaced) {
+            // check if we've run out of existing or populated groups
+            if (priv->next_phase == 3 || priv->groups_phase[priv->next_phase] == 0) {
+                priv->next_phase = 0;
+                priv->status = UTSC_STATUS_READY;
+                UTOUCH_CheckForBinaryEvents(unit);
+            }
+        }
+
+        TSC->CR &= ~TSC_CR_IODEF; // pull low - discharge
+    }
+
+    priv->ongoing = false;
+    priv->discharge_delay = DIS_TIME;
+}
+
+#if TSC_DEBUG
+static volatile uint32_t xcnt=0;
+#endif
+
+void UTOUCH_updateTick(Unit *unit)
+{
+#if TSC_DEBUG
+    xcnt++;
+#endif
+
+    struct priv *priv = unit->data;
+
+    if (priv->ongoing) {
+        return;
+    }
+
+    if (priv->discharge_delay > 0) {
+        priv->discharge_delay--;
+    } else {
+        startNextPhase(unit);
+    }
+
+#if TSC_DEBUG
+    if(xcnt >= 250) {
+        xcnt=0;
+        PRINTF("> ");
+        for (int i = 0; i < 32; i++) {
+            if (priv->all_channels_mask & (1<<i)) {
+                PRINTF("%d ", (int)priv->readouts[i]);
+            }
+        }
+        PRINTF("\r\n");
+    }
+#endif
+}
+
+static void startNextPhase(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    if (priv->all_channels_mask == 0) return;
+
+    if (priv->cfg.interlaced) {
+        // Find the next non-zero bit, wrap around if needed
+        while ((priv->all_channels_mask & (1<<priv->next_phase))==0) {
+            priv->next_phase++;
+            if (priv->next_phase == 32) {
+                priv->next_phase = 0;
+                priv->status = UTSC_STATUS_READY;
+                UTOUCH_CheckForBinaryEvents(unit);
+            }
+        }
+        TSC->IOGCSR = (uint32_t) (1 << (priv->next_phase >> 2)); // phase divided by 4
+        TSC->IOCCR = (uint32_t) (1 << priv->next_phase);
+
+        // interlaced - float neighbouring electrodes
+        TSC->CR |= TSC_CR_IODEF;
+    } else {
+        TSC->IOGCSR = priv->groups_phase[priv->next_phase];
+        TSC->IOCCR = priv->channels_phase[priv->next_phase];
+
+        // separate - keep neighbouring electrodes at GND
+    }
+
+    TSC->ICR = TSC_ICR_EOAIC | TSC_ICR_MCEIC;
+
+    // Go!
+    priv->ongoing = true;
+    TSC->CR |= TSC_CR_START;
+}

units/touch/_touch_init.c

@@ -0,0 +1,221 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+
+#define TOUCH_INTERNAL
+
+#include "_touch_internal.h"
+
+/** Allocate data structure and set defaults */
+error_t UTOUCH_preInit(Unit *unit)
+{
+    struct priv *priv = unit->data = calloc_ck(1, sizeof(struct priv));
+    if (priv == NULL) return E_OUT_OF_MEM;
+
+    priv->cfg.charge_time = 2;
+    priv->cfg.drain_time = 2;
+    priv->cfg.spread_deviation = 0;
+    priv->cfg.ss_presc = 1;
+    priv->cfg.pg_presc = 32;
+    priv->cfg.sense_timeout = 7;
+    memset(priv->cfg.group_scaps, 0, 8);
+    memset(priv->cfg.group_channels, 0, 8);
+    priv->cfg.binary_hysteresis = 10;
+    priv->cfg.binary_debounce_ms = 20;
+
+    return E_SUCCESS;
+}
+
+/** Finalize unit set-up */
+error_t UTOUCH_init(Unit *unit)
+{
+    bool suc = true;
+    struct priv *priv = unit->data;
+
+    unit->tick_interval = 1; // sample every 1 ms
+
+    // copy from conf
+    priv->binary_debounce_ms = priv->cfg.binary_debounce_ms;
+    priv->binary_hysteresis = priv->cfg.binary_hysteresis;
+
+    TRY(rsc_claim(unit, R_TSC));
+
+    // simple bound checks, just clamp without error
+    if (priv->cfg.charge_time > 16) priv->cfg.charge_time = 16;
+    if (priv->cfg.charge_time < 1) priv->cfg.charge_time = 1;
+
+    if (priv->cfg.drain_time > 16) priv->cfg.drain_time = 16;
+    if (priv->cfg.drain_time < 1) priv->cfg.drain_time = 1;
+
+    if (priv->cfg.spread_deviation > 128) priv->cfg.drain_time = 128;
+
+    if (priv->cfg.ss_presc > 2) priv->cfg.ss_presc = 2;
+    if (priv->cfg.ss_presc < 1) priv->cfg.ss_presc = 1;
+
+    if (priv->cfg.sense_timeout > 7) priv->cfg.sense_timeout = 7;
+    if (priv->cfg.sense_timeout < 1) priv->cfg.sense_timeout = 1;
+
+    uint8_t tmppgpresc = priv->cfg.pg_presc;
+    if (tmppgpresc == 0) return E_BAD_CONFIG;
+    uint8_t pgpresc_reg = 0;
+    while ((tmppgpresc & 1) == 0 && tmppgpresc != 0) {
+        pgpresc_reg++;
+        tmppgpresc >>= 1;
+    }
+    if (tmppgpresc != 1 || pgpresc_reg > 7) {
+        dbg("Bad pgpresc");
+        return E_BAD_CONFIG; // TODO better reporting
+    }
+
+    if ((pgpresc_reg==0 && priv->cfg.drain_time<=2) || (pgpresc_reg==1 && priv->cfg.drain_time==0)) {
+        dbg("Illegal PGPSC vs CTPL");
+        return E_BAD_CONFIG;
+    }
+
+    // enable clock
+    hw_periph_clock_enable(TSC);
+    // reset
+    __HAL_RCC_TSC_FORCE_RESET();
+    __HAL_RCC_TSC_RELEASE_RESET();
+
+    priv->all_channels_mask = 0;
+
+    for (int gi = 0; gi < 8; gi++) {
+        const uint8_t cap = priv->cfg.group_scaps[gi];
+        const uint8_t ch = priv->cfg.group_channels[gi];
+
+        if (cap == 0) {
+            if (ch != 0) {
+                dbg_touch("TSC group %d has no cap!", (int) (gi + 1));
+                return E_BAD_CONFIG;
+            }
+            continue;
+        }
+
+        if (ch == 0) continue; // if no channels, don't bother setting up anything
+
+        if (cap != 2 && cap != 4 && cap != 8 && cap != 16) {
+            dbg_touch("TSC group %d has more than 1 cap!", (int) (gi + 1));
+            return E_BAD_CONFIG;
+        }
+
+        if (cap & ch) {
+            dbg_touch("TSC pin can't be both channel and cap! (gpr %d)", (int) (gi + 1));
+            return E_BAD_CONFIG;
+        }
+
+        // This is a loop through the pins in a group gi
+        int phasenum = 0;
+        for (int pi = 0; pi < 4; pi++) {
+            // pin numbers are 1-based in the config
+            const bool iscap = 0 != (cap & (2 << pi));
+            const bool isch = 0 != (ch & (2 << pi));
+
+            if (!iscap && !isch) continue;
+
+            Resource r = utouch_group_rscs[gi][pi];
+            TRY(rsc_claim(unit, r));
+
+            GPIO_TypeDef *port;
+            uint32_t ll;
+            assert_param(hw_pinrsc2ll(r, &port, &ll));
+            LL_GPIO_SetPinOutputType(port, ll, isch ? LL_GPIO_OUTPUT_PUSHPULL : LL_GPIO_OUTPUT_OPENDRAIN);
+
+            // 7 and 8 (1-based) use AF1, else AF3
+            TRY(hw_configure_gpiorsc_af(r, gi >= 6 ? LL_GPIO_AF_1 : LL_GPIO_AF_3));
+
+            uint32_t bit = (uint32_t) (1 << (gi * 4 + pi));
+
+            if (iscap) {
+                dbg_touch("TSC cap @ %s", rsc_get_name(r));
+                // Sampling cap
+                TSC->IOSCR |= bit;
+
+                // Disable pin hysteresis (causes noise)
+                TSC->IOHCR ^= bit;
+            }
+            else {
+                dbg_touch("TSC ch @ %s", rsc_get_name(r));
+
+                if (priv->cfg.interlaced) {
+                    // interlaced - only update the mask beforehand
+                    priv->all_channels_mask |= bit;
+                } else {
+                    // channels are configured individually when read.
+                    // we prepare bitmaps to use for the read groups (all can be read in at most 3 steps)
+                    priv->channels_phase[phasenum] |= bit; // this is used for the channel selection register
+                    priv->groups_phase[phasenum] |= 1 << gi; // this will be used for the group enable register, if all 0, this and any following phases are unused.
+                    phasenum++;
+                }
+            }
+        }
+    }
+
+    // common TSC config
+    TSC->CR =
+        ((priv->cfg.charge_time - 1) << TSC_CR_CTPH_Pos) |
+        ((priv->cfg.drain_time - 1) << TSC_CR_CTPL_Pos) |
+        ((priv->cfg.ss_presc - 1) << TSC_CR_SSPSC_Pos) |
+        (pgpresc_reg << TSC_CR_PGPSC_Pos) |
+        ((priv->cfg.sense_timeout - 1) << TSC_CR_MCV_Pos) |
+        TSC_CR_TSCE;
+
+    if (priv->cfg.spread_deviation > 0) {
+        TSC->CR |= ((priv->cfg.spread_deviation - 1) << TSC_CR_SSD_Pos) | TSC_CR_SSE;
+    }
+
+    dbg_touch("CR = %08x, ht is %d, lt is %d", (int)TSC->CR,
+              (int)priv->cfg.charge_time,
+              (int)priv->cfg.drain_time);
+
+    // iofloat is used for discharging
+
+    // Enable the interrupts
+    TSC->IER = TSC_IER_EOAIE | TSC_IER_MCEIE;
+    irqd_attach(TSC, UTOUCH_HandleIrq, unit);
+
+    if (!priv->cfg.interlaced) {
+        dbg_touch("TSC phases:");
+        for (int i = 0; i < 3; i++) {
+            priv->all_channels_mask |= priv->channels_phase[i];
+
+            dbg_touch(" %d: ch %08"PRIx32", g %02"PRIx32,
+                      i + 1,
+                      priv->channels_phase[i],
+                      (uint32_t) priv->groups_phase[i]);
+        }
+    }
+
+    priv->status = UTSC_STATUS_BUSY; // first loop ...
+    priv->next_phase = 0;
+
+    // starts in the tick callback
+
+    return E_SUCCESS;
+}
+
+
+/** Tear down the unit */
+void UTOUCH_deInit(Unit *unit)
+{
+    struct priv *priv = unit->data;
+
+    // de-init peripherals
+    if (unit->status == E_SUCCESS) {
+        hw_periph_clock_disable(TSC);
+        // clear all registers to their default values
+        __HAL_RCC_TSC_FORCE_RESET();
+        __HAL_RCC_TSC_RELEASE_RESET();
+
+        irqd_detach(TSC, UTOUCH_HandleIrq);
+    }
+
+    // Release all resources, deinit pins
+    rsc_teardown(unit);
+
+    // Free memory
+    free_ck(unit->data);
+}

units/touch/_touch_internal.h

@@ -0,0 +1,95 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#ifndef GEX_F072_TOUCH_INTERNAL_H
+#define GEX_F072_TOUCH_INTERNAL_H
+
+#ifndef TOUCH_INTERNAL
+#error bad include!
+#endif
+
+#include "unit_base.h"
+
+#define TSC_DEBUG 0
+
+#if TSC_DEBUG
+#define dbg_touch(f,...) dbg(f,##__VA_ARGS__)
+#else
+#define dbg_touch(f,...) do{}while(0)
+#endif
+
+enum utsc_status {
+    UTSC_STATUS_BUSY = 0,
+    UTSC_STATUS_READY = 1,
+    UTSC_STATUS_FAIL = 2
+};
+
+/** Private data structure */
+struct priv {
+    // settings
+    struct {
+        uint8_t charge_time;  // 1-16 -> 0..15
+        uint8_t drain_time;   // 1-16 -> 0..15
+        uint8_t spread_deviation; // 1-128, 0=off ... 0-127, 0 sets 0 to SSE
+        uint8_t ss_presc;     // 1-2 -> 0..1
+        uint8_t pg_presc;     // 1,2,4,8,16,32,64,128 -> 0..7 when writing to the periph
+        uint8_t sense_timeout; // 1-7 -> 0..6 hex when writing to the periph
+        // the schmitts must be disabled on all used channels, restored to 0xFFFF on deinit
+        uint8_t group_scaps[8];
+        uint8_t group_channels[8];
+        bool interlaced;
+        uint16_t binary_debounce_ms;
+        uint16_t binary_hysteresis;
+    } cfg;
+
+    uint8_t next_phase;
+    uint8_t discharge_delay;
+    uint32_t channels_phase[3];
+    uint8_t groups_phase[3];
+    uint16_t readouts[32];
+    int16_t bin_trig_cnt[32];
+    uint16_t binary_debounce_ms;
+    uint16_t binary_hysteresis;
+    uint16_t binary_thr[32];
+    uint32_t binary_active_bits;
+    uint32_t all_channels_mask;
+    uint32_t last_done_ms;
+    bool ongoing;
+
+    enum utsc_status status;
+} __attribute__((packed));
+
+extern const char *utouch_group_labels[8];
+extern const Resource utouch_group_rscs[8][4];
+
+/** Allocate data structure and set defaults */
+error_t UTOUCH_preInit(Unit *unit);
+
+/** Load from a binary buffer stored in Flash */
+void UTOUCH_loadBinary(Unit *unit, PayloadParser *pp);
+
+/** Write to a binary buffer for storing in Flash */
+void UTOUCH_writeBinary(Unit *unit, PayloadBuilder *pb);
+
+// ------------------------------------------------------------------------
+
+/** Parse a key-value pair from the INI file */
+error_t UTOUCH_loadIni(Unit *unit, const char *key, const char *value);
+
+/** Generate INI file section for the unit */
+void UTOUCH_writeIni(Unit *unit, IniWriter *iw);
+
+// ------------------------------------------------------------------------
+
+/** Finalize unit set-up */
+error_t UTOUCH_init(Unit *unit);
+
+/** Tear down the unit */
+void UTOUCH_deInit(Unit *unit);
+
+void UTOUCH_updateTick(Unit *unit);
+
+void UTOUCH_HandleIrq(void *arg);
+
+#endif //GEX_F072_TOUCH_INTERNAL_H

units/touch/_touch_settings.c

@@ -0,0 +1,187 @@
+//
+// Created by MightyPork on 2018/02/03.
+//
+
+#include "platform.h"
+#include "unit_base.h"
+
+#define TOUCH_INTERNAL
+#include "_touch_internal.h"
+
+const char *utouch_group_labels[8] = {
+    "1:A0, 2:A1, 3:A2, 4:A3",
+    "1:A4, 2:A5, 3:A6, 4:A7",
+    "1:C5, 2:B0, 3:B1, 4:B2",
+    "1:A9, 2:A10, 3:A11, 4:A12",
+    "1:B3, 2:B4, 3:B6, 4:B7",
+    "1:B11, 2:B12, 3:B13, 4:B14",
+    "1:E2, 2:E3, 3:E4, 4:E5",
+    "1:D12, 2:D13, 3:D14, 4:D15",
+};
+
+const Resource utouch_group_rscs[8][4] = {
+    {R_PA0, R_PA1, R_PA2, R_PA3},
+    {R_PA4, R_PA5, R_PA6, R_PA7},
+    {R_PC5, R_PB0, R_PB1, R_PB2},
+    {R_PA9, R_PA10, R_PA11, R_PA12},
+    {R_PB3, R_PB4, R_PB6, R_PB7},
+    {R_PB11, R_PB12, R_PB13, R_PB14},
+    {R_PE2, R_PE3, R_PE4, R_PE5},
+    {R_PD12, R_PD13, R_PD14, R_PD15},
+};
+
+/** Load from a binary buffer stored in Flash */
+void UTOUCH_loadBinary(Unit *unit, PayloadParser *pp)
+{
+    struct priv *priv = unit->data;
+
+    uint8_t version = pp_u8(pp);
+    (void)version;
+
+    priv->cfg.charge_time = pp_u8(pp);
+    priv->cfg.drain_time = pp_u8(pp);
+    priv->cfg.spread_deviation = pp_u8(pp);
+    priv->cfg.ss_presc = pp_u8(pp);
+    priv->cfg.pg_presc = pp_u8(pp);
+    priv->cfg.sense_timeout = pp_u8(pp);
+    pp_buf(pp, priv->cfg.group_scaps, 8);
+    pp_buf(pp, priv->cfg.group_channels, 8);
+
+    if (version >= 1) {
+        priv->cfg.interlaced = pp_bool(pp);
+    }
+
+    if (version >= 2) {
+        priv->cfg.binary_debounce_ms = pp_u16(pp);
+        priv->cfg.binary_hysteresis = pp_u16(pp);
+    }
+}
+
+/** Write to a binary buffer for storing in Flash */
+void UTOUCH_writeBinary(Unit *unit, PayloadBuilder *pb)
+{
+    struct priv *priv = unit->data;
+
+    pb_u8(pb, 2); // version
+
+    pb_u8(pb, priv->cfg.charge_time);
+    pb_u8(pb, priv->cfg.drain_time);
+    pb_u8(pb, priv->cfg.spread_deviation);
+    pb_u8(pb, priv->cfg.ss_presc);
+    pb_u8(pb, priv->cfg.pg_presc);
+    pb_u8(pb, priv->cfg.sense_timeout);
+    pb_buf(pb, priv->cfg.group_scaps, 8);
+    pb_buf(pb, priv->cfg.group_channels, 8);
+    pb_bool(pb, priv->cfg.interlaced);
+    pb_u16(pb, priv->cfg.binary_debounce_ms);
+    pb_u16(pb, priv->cfg.binary_hysteresis);
+}
+
+// ------------------------------------------------------------------------
+
+/** Parse a key-value pair from the INI file */
+error_t UTOUCH_loadIni(Unit *unit, const char *key, const char *value)
+{
+    bool suc = true;
+    struct priv *priv = unit->data;
+
+    if (streq(key, "charge-time")) {
+        priv->cfg.charge_time = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "drain-time")) {
+        priv->cfg.drain_time = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "ss-deviation")) {
+        priv->cfg.spread_deviation = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "ss-clock-prediv")) {
+        priv->cfg.ss_presc = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "pg-clock-prediv")) {
+        priv->cfg.pg_presc = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "sense-timeout")) {
+        priv->cfg.sense_timeout = cfg_u8_parse(value, &suc);
+    }
+    else if (streq(key, "interlaced-pads")) {
+        priv->cfg.interlaced = cfg_bool_parse(value, &suc);
+    }
+    else if (streq(key, "btn-debounce")) {
+        priv->cfg.binary_debounce_ms = cfg_u16_parse(value, &suc);
+    }
+    else if (streq(key, "btn-hysteresis")) {
+        priv->cfg.binary_hysteresis = cfg_u16_parse(value, &suc);
+    }
+    else {
+        volatile char namebuf[10]; // must be volatile or gcc optimizes out the second compare and fucks it up
+
+        for (int i = 0; i < 6; i++) { // skip 7,8
+            SPRINTF(namebuf, "g%d_cap", i+1);
+            if (streq(key, namebuf)) {
+                priv->cfg.group_scaps[i] = (uint8_t) cfg_pinmask_parse(value, &suc);
+                goto matched;
+            }
+
+            SPRINTF(namebuf, "g%d_ch", i+1);
+            if (streq(key, namebuf)) {
+                priv->cfg.group_channels[i] = (uint8_t) cfg_pinmask_parse(value, &suc);
+                goto matched;
+            }
+        }
+
+        return E_BAD_KEY;
+    }
+
+matched:
+    if (!suc) return E_BAD_VALUE;
+    return E_SUCCESS;
+}
+
+/** Generate INI file section for the unit */
+void UTOUCH_writeIni(Unit *unit, IniWriter *iw)
+{
+    struct priv *priv = unit->data;
+
+    iw_comment(iw, "This unit utilizes the touch sensing controller.");
+    iw_comment(iw, "See the reference manual for details about its function.");
+    iw_cmt_newline(iw);
+
+    iw_comment(iw, "Pulse generator clock prescaller (1,2,4,...,128)");
+    iw_entry_d(iw, "pg-clock-prediv", priv->cfg.pg_presc);
+    iw_comment(iw, "Sense pad charging time (1-16)");
+    iw_entry_d(iw, "charge-time", priv->cfg.charge_time);
+    iw_comment(iw, "Charge transfer time (1-16)");
+    iw_entry_d(iw, "drain-time", priv->cfg.drain_time);
+    iw_comment(iw, "Measurement timeout (1-7)");
+    iw_entry_d(iw, "sense-timeout", priv->cfg.sense_timeout);
+
+    iw_cmt_newline(iw);
+    iw_comment(iw, "Spread spectrum max deviation (0-128,0=off)");
+    iw_entry_d(iw, "ss-deviation", priv->cfg.spread_deviation);
+    iw_comment(iw, "Spreading clock prescaller (1,2)");
+    iw_entry_d(iw, "ss-clock-prediv", priv->cfg.ss_presc);
+
+    iw_cmt_newline(iw);
+    iw_comment(iw, "Optimize for interlaced pads (individual sampling with others floating)");
+    iw_entry_s(iw, "interlaced-pads", str_yn(priv->cfg.interlaced));
+
+    iw_cmt_newline(iw);
+    iw_comment(iw, "Button mode debounce (ms) and release hysteresis (lsb)");
+    iw_entry_d(iw, "btn-debounce", priv->cfg.binary_debounce_ms);
+    iw_entry_d(iw, "btn-hysteresis", priv->cfg.binary_hysteresis);
+
+    iw_cmt_newline(iw);
+    iw_comment(iw, "Each used group must have 1 sampling capacitor and 1-3 channels.");
+    iw_comment(iw, "Channels are numbered 1,2,3,4");
+    iw_cmt_newline(iw);
+
+    char namebuf[10];
+    for (int i = 0; i < 6; i++) { // skip 7,8
+        iw_commentf(iw,  "Group%d - %s", i+1, utouch_group_labels[i]);
+        SPRINTF(namebuf, "g%d_cap", i+1);
+        iw_entry_s(iw, namebuf, cfg_pinmask_encode(priv->cfg.group_scaps[i], unit_tmp512, true));
+        SPRINTF(namebuf, "g%d_ch", i+1);
+        iw_entry_s(iw, namebuf, cfg_pinmask_encode(priv->cfg.group_channels[i], unit_tmp512, true));
+    }
+}
+

units/touch/unit_touch.c

@@ -0,0 +1,136 @@
+//
+// Created by MightyPork on 2017/11/25.
+//
+
+#include "unit_base.h"
+#include "unit_touch.h"
+
+#define TOUCH_INTERNAL
+#include "_touch_internal.h"
+
+// ------------------------------------------------------------------------
+
+enum TouchCmd_ {
+    CMD_READ=0,
+    CMD_SET_BIN_THR=1,
+    CMD_DISABLE_ALL_REPORTS=2,
+    CMD_SET_DEBOUNCE_TIME=3,
+    CMD_SET_HYSTERESIS=4,
+    CMD_GET_CH_COUNT=10,
+};
+
+/** Handle a request message */
+static error_t UTOUCH_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
+{
+    struct priv* priv = unit->data;
+    PayloadBuilder pb = pb_start(unit_tmp512, UNIT_TMP_LEN, NULL);
+
+    switch (command) {
+        /**
+         * read the current touch pad values (smaller = higher capacity)
+         *
+         * resp: a list of u16 (order: group and pin, ascending)
+         */
+        case CMD_READ:
+            if (priv->status == UTSC_STATUS_BUSY) return E_BUSY;
+            if (priv->status == UTSC_STATUS_FAIL) return E_HW_TIMEOUT;
+
+            for (int i = 0; i < 32; i++) {
+                if (priv->all_channels_mask & (1<<i)) {
+                    pb_u16(&pb, priv->readouts[i]);
+                }
+            }
+            com_respond_pb(frame_id, MSG_SUCCESS, &pb);
+            return E_SUCCESS;
+
+        /**
+         * Set thresholds for the button mode.
+         *
+         * pld: a list of u16 for the enabled channels (order: group and pin, ascending)
+         */
+        case CMD_SET_BIN_THR:
+            for (int i = 0; i < 32; i++) {
+                if (priv->all_channels_mask & (1<<i)) {
+                    priv->bin_trig_cnt[i] = 0;
+                    priv->binary_thr[i] = pp_u16(pp);
+                    if (priv->readouts[i] >= (priv->binary_thr[i] + priv->binary_hysteresis)) {
+                        priv->binary_active_bits |= 1<<i;
+                    }
+                }
+            }
+            return E_SUCCESS;
+
+        /**
+         * Set the debounce time in ms (replaces the default value from settings)
+         *
+         * pld: ms:u16
+         */
+        case CMD_SET_DEBOUNCE_TIME:
+            priv->binary_debounce_ms = pp_u16(pp);
+            return E_SUCCESS;
+
+        /**
+         * Set hysteresis (replaces the default value from settings)
+         *
+         * Hysteresis is added to the threshold value for the switch-off level
+         * (switch-off happens when the measured value is exceeded - capacity of the pad drops)
+         *
+         * pld: hyst:u16
+         */
+        case CMD_SET_HYSTERESIS:
+            priv->binary_hysteresis = pp_u16(pp);
+            return E_SUCCESS;
+
+        /**
+         * Disable button mode reports. This effectively sets all thresholds to 0, disabling checking.
+         */
+        case CMD_DISABLE_ALL_REPORTS:
+            for (int i = 0; i < 32; i++) {
+                if (priv->all_channels_mask & (1<<i)) {
+                    priv->binary_thr[i] = 0;
+                    priv->bin_trig_cnt[i] = 0;
+                }
+            }
+            priv->binary_active_bits = 0;
+            return E_SUCCESS;
+
+        /**
+         * Get the number of configured touch pad channels
+         *
+         * resp: count:u8
+         */
+        case CMD_GET_CH_COUNT:;
+            uint8_t nb = 0;
+            for (int i = 0; i < 32; i++) {
+                if (priv->all_channels_mask & (1<<i)) {
+                    nb++;
+                }
+            }
+            pb_u8(&pb, nb);
+            com_respond_pb(frame_id, MSG_SUCCESS, &pb);
+            return E_SUCCESS;
+
+        default:
+            return E_UNKNOWN_COMMAND;
+    }
+}
+
+// ------------------------------------------------------------------------
+
+/** Unit template */
+const UnitDriver UNIT_TOUCH = {
+    .name = "TOUCH",
+    .description = "Capacitive touch sensing",
+    // Settings
+    .preInit = UTOUCH_preInit,
+    .cfgLoadBinary = UTOUCH_loadBinary,
+    .cfgWriteBinary = UTOUCH_writeBinary,
+    .cfgLoadIni = UTOUCH_loadIni,
+    .cfgWriteIni = UTOUCH_writeIni,
+    // Init
+    .init = UTOUCH_init,
+    .deInit = UTOUCH_deInit,
+    // Function
+    .handleRequest = UTOUCH_handleRequest,
+    .updateTick = UTOUCH_updateTick,
+};

units/touch/unit_touch.h

@@ -0,0 +1,16 @@
+//
+// Created by MightyPork on 2017/11/25.
+//
+// Digital input unit; single or multiple pin read access on one port (A-F)
+//
+
+#ifndef U_TOUCH_H
+#define U_TOUCH_H
+
+#include "unit.h"
+
+extern const UnitDriver UNIT_TOUCH;
+
+// UU_ prototypes
+
+#endif //U_TOUCH_H

units/usart/_usart_init.c

@@ -111,7 +111,7 @@ static inline error_t UUSART_configPins(Unit *unit)
         want_rts_pin(priv)
     };
 
-#if GEX_PLAT_F072_DISCOVERY
+#if STM32F072xB
 
     const struct PinAF *mappings = NULL;
 

units/usart/_usart_settings.c

@@ -81,66 +81,66 @@ error_t UUSART_loadIni(Unit *unit, const char *key, const char *value)
     struct priv *priv = unit->data;
 
     if (streq(key, "device")) {
-        priv->periph_num = (uint8_t) avr_atoi(value);
+        priv->periph_num = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "remap")) {
-        priv->remap = (uint8_t) avr_atoi(value);
+        priv->remap = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "baud-rate")) {
-        priv->baudrate = (uint32_t ) avr_atoi(value);
+        priv->baudrate = cfg_u32_parse(value, &suc);
     }
     else if (streq(key, "parity")) {
-        priv->parity = (uint8_t) str_parse_3(value,
+        priv->parity = (uint8_t) cfg_enum3_parse(value,
                                                  "NONE", 0,
                                                  "ODD", 1,
                                                  "EVEN", 2, &suc);
     }
     else if (streq(key, "stop-bits")) {
-        priv->stopbits = (uint8_t) str_parse_4(value,
+        priv->stopbits = (uint8_t) cfg_enum4_parse(value,
                                                    "0.5", 0,
                                                    "1", 1,
                                                    "1.5", 2,
                                                    "2", 3, &suc);
     }
     else if (streq(key, "direction")) {
-        priv->direction = (uint8_t) str_parse_3(value,
+        priv->direction = (uint8_t) cfg_enum3_parse(value,
                                                     "RX", UUSART_DIRECTION_RX,
                                                     "TX", UUSART_DIRECTION_TX,
                                                     "RXTX", UUSART_DIRECTION_RXTX, &suc);
     }
     else if (streq(key, "hw-flow-control")) {
-        priv->hw_flow_control = (uint8_t) str_parse_4(value,
+        priv->hw_flow_control = (uint8_t) cfg_enum4_parse(value,
                                                           "NONE", 0,
                                                           "RTS", 1,
                                                           "CTS", 2,
                                                           "FULL", 3, &suc);
     }
     else if (streq(key, "word-width")) {
-        priv->width = (uint8_t ) avr_atoi(value);
+        priv->width = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "first-bit")) {
-        priv->lsb_first = (bool)str_parse_2(value, "MSB", 0, "LSB", 1, &suc);
+        priv->lsb_first = (bool) cfg_enum2_parse(value, "MSB", 0, "LSB", 1, &suc);
     }
     else if (streq(key, "clock-output")) {
-        priv->clock_output = str_parse_yn(value, &suc);
+        priv->clock_output = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "cpol")) {
-        priv->cpol = (bool) avr_atoi(value);
+        priv->cpol = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "cpha")) {
-        priv->cpha = (bool) avr_atoi(value);
+        priv->cpha = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "de-output")) {
-        priv->de_output = str_parse_yn(value, &suc);
+        priv->de_output = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "de-polarity")) {
-        priv->de_polarity = (bool) avr_atoi(value);
+        priv->de_polarity = cfg_bool_parse(value, &suc);
     }
     else if (streq(key, "de-assert-time")) {
-        priv->de_assert_time = (uint8_t) avr_atoi(value);
+        priv->de_assert_time = cfg_u8_parse(value, &suc);
     }
     else if (streq(key, "de-clear-time")) {
-        priv->de_clear_time = (uint8_t) avr_atoi(value);
+        priv->de_clear_time = cfg_u8_parse(value, &suc);
     }
     else {
         return E_BAD_KEY;
@@ -156,10 +156,10 @@ void UUSART_writeIni(Unit *unit, IniWriter *iw)
     struct priv *priv = unit->data;
 
     iw_comment(iw, "Peripheral number (UARTx 1-4)");
-    iw_entry(iw, "device", "%d", (int)priv->periph_num);
+    iw_entry_d(iw, "device", priv->periph_num);
 
     iw_comment(iw, "Pin mappings (TX,RX,CK,CTS,RTS/DE)");
-#if GEX_PLAT_F072_DISCOVERY
+#if STM32F072xB
     iw_comment(iw, " USART1: (0) A9,A10,A8,A11,A12   (1) B6,B7,A8,A11,A12");
     iw_comment(iw, " USART2: (0) A2,A3,A4,A0,A1      (1) A14,A15,A4,A0,A1");
     iw_comment(iw, " USART3: (0) B10,B11,B12,B13,B14");
@@ -173,41 +173,41 @@ void UUSART_writeIni(Unit *unit, IniWriter *iw)
 #else
     #error "BAD PLATFORM!"
 #endif
-    iw_entry(iw, "remap", "%d", (int)priv->remap);
+    iw_entry_d(iw, "remap", priv->remap);
 
     iw_cmt_newline(iw);
-    iw_comment(iw, "Baud rate in bps (eg. 9600, 115200)"); // TODO examples/range
+    iw_comment(iw, "Baud rate in bps (eg. 9600)");
-    iw_entry(iw, "baud-rate", "%d", (int)priv->baudrate);
+    iw_entry_d(iw, "baud-rate", priv->baudrate);
 
     iw_comment(iw, "Parity type (NONE, ODD, EVEN)");
-    iw_entry(iw, "parity", "%s", str_3(priv->parity,
+    iw_entry_s(iw, "parity", cfg_enum3_encode(priv->parity,
                                                   0, "NONE",
                                                   1, "ODD",
                                                   2, "EVEN"));
 
     iw_comment(iw, "Number of stop bits (0.5, 1, 1.5, 2)");
-    iw_entry(iw, "stop-bits", "%s", str_4(priv->stopbits,
+    iw_entry_s(iw, "stop-bits", cfg_enum4_encode(priv->stopbits,
                                                      0, "0.5",
                                                      1, "1",
                                                      2, "1.5",
                                                      3, "2"));
 
     iw_comment(iw, "Bit order (LSB or MSB first)");
-    iw_entry(iw, "first-bit", str_2((uint32_t)priv->lsb_first,
+    iw_entry_s(iw, "first-bit", cfg_enum2_encode((uint32_t) priv->lsb_first,
                                                0, "MSB",
                                                1, "LSB"));
 
     iw_comment(iw, "Word width (7,8,9) - including parity bit if used");
-    iw_entry(iw, "word-width", "%d", (int)priv->width);
+    iw_entry_d(iw, "word-width", (int)priv->width);
 
     iw_comment(iw, "Enabled lines (RX,TX,RXTX)");
-    iw_entry(iw, "direction", str_3(priv->direction,
+    iw_entry_s(iw, "direction", cfg_enum3_encode(priv->direction,
                                                1, "RX",
                                                2, "TX",
                                                3, "RXTX"));
 
     iw_comment(iw, "Hardware flow control (NONE, RTS, CTS, FULL)");
-    iw_entry(iw, "hw-flow-control", "%s", str_4(priv->hw_flow_control,
+    iw_entry_s(iw, "hw-flow-control", cfg_enum4_encode(priv->hw_flow_control,
                                                            0, "NONE",
                                                            1, "RTS",
                                                            2, "CTS",
@@ -215,19 +215,19 @@ void UUSART_writeIni(Unit *unit, IniWriter *iw)
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Generate serial clock (Y,N)");
-    iw_entry(iw, "clock-output", str_yn(priv->clock_output));
+    iw_entry_s(iw, "clock-output", str_yn(priv->clock_output));
-    iw_comment(iw, "Output clock polarity: 0,1 (clock idle level)");
+    iw_comment(iw, "Clock polarity: 0,1");
-    iw_entry(iw, "cpol", "%d", (int)priv->cpol);
+    iw_entry_d(iw, "cpol", priv->cpol);
-    iw_comment(iw, "Output clock phase: 0,1 (active edge, 0-first, 1-second)");
+    iw_comment(iw, "Clock phase: 0,1");
-    iw_entry(iw, "cpha", "%d", (int)priv->cpha);
+    iw_entry_d(iw, "cpha", priv->cpha);
 
     iw_cmt_newline(iw);
     iw_comment(iw, "Generate RS485 Driver Enable signal (Y,N) - uses RTS pin");
-    iw_entry(iw, "de-output", str_yn(priv->de_output));
+    iw_entry_s(iw, "de-output", str_yn(priv->de_output));
     iw_comment(iw, "DE active level: 0,1");
-    iw_entry(iw, "de-polarity", "%d", (int)(priv->de_polarity));
+    iw_entry_d(iw, "de-polarity", (priv->de_polarity));
     iw_comment(iw, "DE assert time (0-31)");
-    iw_entry(iw, "de-assert-time", "%d", (int)(priv->de_assert_time));
+    iw_entry_d(iw, "de-assert-time", (priv->de_assert_time));
     iw_comment(iw, "DE clear time (0-31)");
-    iw_entry(iw, "de-clear-time", "%d", (int)(priv->de_clear_time));
+    iw_entry_d(iw, "de-clear-time", (priv->de_clear_time));
 }

units/usart/unit_usart.c

@@ -92,7 +92,7 @@ void UUSART_Tick(Unit *unit)
 }
 
 enum PinCmd_ {
-    CMD_WRITE = 0,
+    CMD_QUERY = 0,
     CMD_WRITE_SYNC = 1,
 };
 
@@ -103,7 +103,7 @@ static error_t UUSART_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command,
     const uint8_t *pld;
     switch (command) {
         /** Write bytes to the USART. Payload consists of the data to send. Waits for completion. */
-        case CMD_WRITE:
+        case CMD_QUERY:
             pld = pp_tail(pp, &len);
             TRY(UU_USART_Write(unit, pld, len));
             return E_SUCCESS;

utils/avr_atoi.c

@@ -1,35 +0,0 @@
-/* Copyright (c) 2002, Marek Michalkiewicz
-   All rights reserved.
-
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions are met:
-
-   * Redistributions of source code must retain the above copyright
-     notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above copyright
-     notice, this list of conditions and the following disclaimer in
-     the documentation and/or other materials provided with the
-     distribution.
-   * Neither the name of the copyright holders nor the names of
-     contributors may be used to endorse or promote products derived
-     from this software without specific prior written permission.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-  POSSIBILITY OF SUCH DAMAGE. */
-
-#include "avrlibc.h"
-
-int
-avr_atoi(const char *p)
-{
-	return (int) avr_atol(p);
-}

utils/avr_atol.c

@@ -1,36 +0,0 @@
-/* Copyright (c) 2002, Marek Michalkiewicz
-   All rights reserved.
-
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions are met:
-
-   * Redistributions of source code must retain the above copyright
-     notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above copyright
-     notice, this list of conditions and the following disclaimer in
-     the documentation and/or other materials provided with the
-     distribution.
-   * Neither the name of the copyright holders nor the names of
-     contributors may be used to endorse or promote products derived
-     from this software without specific prior written permission.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-  POSSIBILITY OF SUCH DAMAGE. */
-
-#include <stdlib.h>
-#include "avrlibc.h"
-
-long
-avr_atol(const char *p)
-{
-	return avr_strtol(p, (char **) NULL, 10);
-}

utils/avr_strtod.c

@@ -37,10 +37,10 @@
 #include <stdint.h>
 #include "avrlibc.h"
 
-/* Only GCC 4.2 calls the library function to convert an unsigned long
+/* Only GCC 4.2 calls the library function to convert an uint32_t
    to float.  Other GCC-es (including 4.3) use a signed long to float
    conversion along with a large inline code to correct the result.	*/
-extern double __floatunsisf (unsigned long);
+extern double __floatunsisf (uint32_t);
 
 static const float pwr_p10 [6] = {
     1e+1, 1e+2, 1e+4, 1e+8, 1e+16, 1e+32
@@ -84,13 +84,13 @@ double
 avr_strtod (const char * nptr, char ** endptr)
 {
     union {
-	unsigned long u32;
+		uint32_t u32;
 		float flt;
     } x;
-    unsigned char c;
+    char c;
-    int exp;
+    int32_t exp;
 
-    unsigned char flag;
+    uint8_t flag;
 #define FL_MINUS    0x01	/* number is negative	*/
 #define FL_ANY	    0x02	/* any digit was readed	*/
 #define FL_OVFL	    0x04	/* overflow was		*/
@@ -178,7 +178,7 @@ avr_strtod (const char * nptr, char ** endptr)
 	    do {
 		if (i < 3200)
 		    i = (((i << 2) + i) << 1) + c;	/* i = 10*i + c	*/
-		c = *nptr++ - '0';
+		c = (char) (*nptr++ - '0');
 	    } while (c <= 9);
 	    if (flag & FL_MEXP)
 		i = -i;
@@ -189,7 +189,7 @@ avr_strtod (const char * nptr, char ** endptr)
     if ((flag & FL_ANY) && endptr)
 	*endptr = (char *)nptr - 1;
     
-    x.flt = __floatunsisf (x.u32);		/* manually	*/
+    x.flt = (float) __floatunsisf (x.u32);		/* manually	*/
     if ((flag & FL_MINUS) && (flag & FL_ANY))
 	x.flt = -x.flt;
 	
@@ -204,7 +204,7 @@ avr_strtod (const char * nptr, char ** endptr)
 	for (pwr = 32; pwr; pwr >>= 1) {
 	    for (; exp >= pwr; exp -= pwr) {
 		union {
-		    unsigned long u32;
+		    uint32_t u32;
 		    float flt;
 		} y;
 		y.u32 = (uint32_t) *((float *)nptr);
@@ -213,7 +213,7 @@ avr_strtod (const char * nptr, char ** endptr)
 	    nptr -= sizeof(float);
 	}
 	if (!isfinite(x.flt) || x.flt == 0)
-	    errno = ERANGE;
+		avrlibc_errno = ERANGE;
     }
 
     return x.flt;

utils/avr_strtol.c

@@ -32,6 +32,7 @@
 
 #include <limits.h>
 #include <errno.h>
+#include "avrlibc.h"
 
 /*
  * Convert a string to a long integer.
@@ -39,14 +40,14 @@
  * Ignores `locale' stuff.  Assumes that the upper and lower case
  * alphabets and digits are each contiguous.
  */
-long
+int32_t
-avr_strtol(const char *nptr, char **endptr, register int base)
+avr_strtol(const char *nptr, char **endptr, register int32_t base)
 {
-	register unsigned long acc;
+	register uint32_t acc;
-	register unsigned char c;
+	register char c;
-	register unsigned long cutoff;
+	register uint32_t cutoff;
-	register signed char any;
+	register int8_t any;
-	unsigned char flag = 0;
+	uint8_t flag = 0;
 #define FL_NEG	0x01		/* number is negative */
 #define FL_0X	0x02		/* number has a 0x prefix */
 
@@ -105,24 +106,24 @@ avr_strtol(const char *nptr, char **endptr, register int base)
 	 * Set any if any `digits' consumed; make it negative to indicate
 	 * overflow.
 	 */
-#if  LONG_MIN != -LONG_MAX - 1
+#if  INT32_MIN != -INT32_MAX - 1
 #  error "This implementation of strtol() does not work on this platform."
 #endif
 	switch (base) {
 	    case 10:
-		cutoff = ((unsigned long)LONG_MAX + 1) / 10;
+		cutoff = ((uint32_t)INT32_MAX + 1) / 10;
 		break;
 	    case 16:
-		cutoff = ((unsigned long)LONG_MAX + 1) / 16;
+		cutoff = ((uint32_t)INT32_MAX + 1) / 16;
 		break;
 	    case 8:
-		cutoff = ((unsigned long)LONG_MAX + 1) / 8;
+		cutoff = ((uint32_t)INT32_MAX + 1) / 8;
 		break;
 	    case 2:
-		cutoff = ((unsigned long)LONG_MAX + 1) / 2;
+		cutoff = ((uint32_t)INT32_MAX + 1) / 2;
 		break;
 	    default:
-		cutoff = ((unsigned long)LONG_MAX + 1) / base;
+		cutoff = ((uint32_t)INT32_MAX + 1) / base;
 	}
 
 	for (acc = 0, any = 0;; c = *nptr++) {
@@ -143,7 +144,7 @@ avr_strtol(const char *nptr, char **endptr, register int base)
 			continue;
 		}
 		acc = acc * base + c;
-		if (acc > (unsigned long)LONG_MAX + 1)
+		if (acc > (uint32_t)INT32_MAX + 1)
 			any = -1;
 		else
 			any = 1;
@@ -155,13 +156,13 @@ avr_strtol(const char *nptr, char **endptr, register int base)
 		    *endptr = (char *)nptr - 2;
 	}
 	if (any < 0) {
-		acc = (flag & FL_NEG) ? LONG_MIN : LONG_MAX;
+		acc = (flag & FL_NEG) ? INT32_MIN : INT32_MAX;
-		errno = ERANGE;
+		avrlibc_errno = ERANGE;
 	} else if (flag & FL_NEG) {
 		acc = -acc;
 	} else if ((signed long)acc < 0) {
-		acc = LONG_MAX;
+		acc = INT32_MAX;
-		errno = ERANGE;
+		avrlibc_errno = ERANGE;
 	}
 	return (acc);
 }

utils/avr_strtoul.c

@@ -35,18 +35,18 @@
 #include "avrlibc.h"
 
 /*
- * Convert a string to an unsigned long integer.
+ * Convert a string to an uint32_t integer.
  *
  * Ignores `locale' stuff.  Assumes that the upper and lower case
  * alphabets and digits are each contiguous.
  */
-unsigned long
+uint32_t
-avr_strtoul(const char *nptr, char **endptr, register int base)
+avr_strtoul(const char *nptr, char **endptr, register int32_t base)
 {
-	register unsigned long acc;
+	register uint32_t acc;
-	register unsigned char c;
+	register char c;
-	register unsigned long cutoff;
+	register uint32_t cutoff;
-	register signed char any;
+	register int8_t any;
 	unsigned char flag = 0;
 #define FL_NEG	0x01		/* number is negative */
 #define FL_0X	0x02		/* number has a 0x prefix */
@@ -102,10 +102,10 @@ avr_strtoul(const char *nptr, char **endptr, register int base)
 	 *
 	 */
 	switch (base) {
-		case 16:    cutoff = ULONG_MAX / 16;  break;
+		case 16:    cutoff = UINT32_MAX / 16;  break;
-		case 10:    cutoff = ULONG_MAX / 10;  break;
+		case 10:    cutoff = UINT32_MAX / 10;  break;
-		case 8:     cutoff = ULONG_MAX / 8;   break;
+		case 8:     cutoff = UINT32_MAX / 8;   break;
-		default:    cutoff = ULONG_MAX / base;
+		default:    cutoff = UINT32_MAX / base;
 	}
 
 	for (acc = 0, any = 0;; c = *nptr++) {
@@ -126,7 +126,7 @@ avr_strtoul(const char *nptr, char **endptr, register int base)
 			continue;
 		}
 		acc = acc * base + c;
-		any = (c > acc) ? -1 : 1;
+		any = (int8_t) ((c > acc) ? -1 : 1);
 	}
 
 	if (endptr) {
@@ -138,8 +138,8 @@ avr_strtoul(const char *nptr, char **endptr, register int base)
 	if (flag & FL_NEG)
 		acc = -acc;
 	if (any < 0) {
-		acc = ULONG_MAX;
+		acc = UINT32_MAX;
-		errno = ERANGE;
+		avrlibc_errno = ERANGE;
 	}
-	return (acc);
+	return (uint32_t) (acc);
 }