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Enable double buffered mode in USB

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This commit is contained in:
MightyPork
2018-03-04 16:35:00 +01:00
parent da330b4b73
commit c4efa5ddaa
7 changed files with 18 additions and 7 deletions
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USB/usbd_cdc_if.c
+2
View File
@@ -313,6 +313,8 @@ void USBD_CDC_TransmitDone(USBD_HandleTypeDef *pdev)
assert_param(semVcomTxReadyHandle != NULL);
assert_param(inIRQ());
if (uxSemaphoreGetCount(semVcomTxReadyHandle) == 1) return;
portBASE_TYPE taskWoken = pdFALSE;
assert_param(xSemaphoreGiveFromISR(semVcomTxReadyHandle, &taskWoken) == pdTRUE);
portYIELD_FROM_ISR(taskWoken);
USB/usbd_conf.c
+10 -2
View File
@@ -397,8 +397,16 @@ USBD_StatusTypeDef USBD_LL_Init (USBD_HandleTypeDef *pdev)
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , MSC_EPOUT_ADDR , PCD_SNG_BUF, ptr += 64); // 64
// CDC endpoints, EP2 two-way and EP3 in-only
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_IN_EP , PCD_SNG_BUF, ptr += 64); // 64
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_OUT_EP , PCD_SNG_BUF, ptr += 64); // 64
uint32_t buf1addr, buf2addr;
buf1addr = (ptr += 64);
buf2addr = (ptr += 64);
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_IN_EP , PCD_DBL_BUF, buf1addr | (buf2addr << 16)); // 64
buf1addr = (ptr += 64);
buf2addr = (ptr += 64);
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_OUT_EP , PCD_DBL_BUF, buf1addr | (buf2addr << 16)); // 64
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_CMD_EP , PCD_SNG_BUF, ptr += 16); // 16
(void)ptr;
#endif
USB/usbd_conf.h
+1 -1
View File
@@ -99,7 +99,7 @@
#define CDC_CUSTOM_EPS
#define CDC_IN_EP 0x82 /* EP1 for data IN */
#define CDC_OUT_EP 0x02 /* EP1 for data OUT */
#define CDC_OUT_EP 0x04 /* EP1 for data OUT */
#define CDC_CMD_EP 0x83 /* EP2 for CDC commands */
/** @defgroup USBD_Exported_Macros