Enable double buffered mode in USB

FreeRTOSConfig.h

@@ -109,7 +109,7 @@ extern uint32_t SystemCoreClock;
 #define configQUEUE_REGISTRY_SIZE                0
 #define configCHECK_FOR_STACK_OVERFLOW           2
 #define configENABLE_BACKWARD_COMPATIBILITY      0
-#define configUSE_COUNTING_SEMAPHORES            1
+#define configUSE_COUNTING_SEMAPHORES            0
 
 #define configUSE_TIMERS                         0
 #define configTIMER_TASK_PRIORITY                TSK_TIMERS_PRIO // above normal

TinyFrame/TF_Integration.c

@@ -29,12 +29,10 @@ void TF_WriteImpl(TinyFrame *tf, const uint8_t *buff, uint32_t len)
         const uint16_t chunksize = (uint16_t) MIN(total, CHUNK);
 
         // 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));
+//        assert_param(HAL_OK == HAL_PCD_EP_Transmit(hUsbDeviceFS.pData, CDC_IN_EP, (uint8_t *) buff, chunksize));
-
-        HAL_PCD_EP_Transmit(hUsbDeviceFS.pData, CDC_IN_EP, (uint8_t *) "AAAAHELLODOLLY123", 17);
 
 //        USBD_LL_Transmit(&hUsbDeviceFS, CDC_IN_EP, (uint8_t *) buff, chunksize);
-//        assert_param(USBD_OK == CDC_Transmit_FS((uint8_t *) buff, chunksize));
+        assert_param(USBD_OK == CDC_Transmit_FS((uint8_t *) buff, chunksize));
 
         buff += chunksize;
         total -= chunksize;

USB/usbd_cdc_if.c

@@ -313,7 +313,7 @@ void USBD_CDC_TransmitDone(USBD_HandleTypeDef *pdev)
   assert_param(semVcomTxReadyHandle != NULL);
   assert_param(inIRQ());
 
-//  if (uxSemaphoreGetCount(semVcomTxReadyHandle) == 2) return;
+  if (uxSemaphoreGetCount(semVcomTxReadyHandle) == 1) return;
 
   portBASE_TYPE taskWoken = pdFALSE;
   assert_param(xSemaphoreGiveFromISR(semVcomTxReadyHandle, &taskWoken) == pdTRUE);

USB/usbd_conf.c

@@ -47,13 +47,12 @@
   ******************************************************************************
 */
 /* Includes ------------------------------------------------------------------*/
-#include <platform/hw_utils.h>
+#include <utils/malloc_safe.h>
 #include "platform.h"
 #include "usbd_def.h"
 #include "usbd_core.h"
 #include "usbd_msc.h"
 #include "usbd_cdc.h"
-#include "utils/malloc_safe.h"
 /* Private typedef -----------------------------------------------------------*/
 /* Private define ------------------------------------------------------------*/
 /* Private macro -------------------------------------------------------------*/
@@ -336,9 +335,6 @@ void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
   * @param  pdev: Device handle
   * @retval USBD Status
   */
-
-extern void PCD_WritePMA(USB_TypeDef  *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
-
 USBD_StatusTypeDef  USBD_LL_Init (USBD_HandleTypeDef *pdev)
 {
 #if PLAT_USB_OTGFS
@@ -405,8 +401,6 @@ USBD_StatusTypeDef  USBD_LL_Init (USBD_HandleTypeDef *pdev)
 
     buf1addr = (ptr += 64);
     buf2addr = (ptr += 64);
-
-    uint32_t addr_begin = buf1addr;
   HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_IN_EP , PCD_DBL_BUF, buf1addr | (buf2addr << 16)); // 64
 
     buf1addr = (ptr += 64);
@@ -417,11 +411,6 @@ USBD_StatusTypeDef  USBD_LL_Init (USBD_HandleTypeDef *pdev)
   (void)ptr;
 #endif
 
-    const uint8_t buf[256] = {};
-    PCD_WritePMA(((PCD_HandleTypeDef*)pdev->pData)->Instance, (uint8_t *) &buf[0],  (uint16_t) addr_begin, 256);
-
-  hw_configure_sparse_pins('B', 0b111, NULL, LL_GPIO_MODE_OUTPUT, LL_GPIO_OUTPUT_PUSHPULL);
-
   return USBD_OK;
 }