Merge pull request #3424 from bcostm/fix_dma_f4

STM32F4 - FIX to add the update of hdma->State variable

Author: sg-

targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_hal_dma.c

@@ -762,6 +762,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
 
       /* Update error code */
       hdma->ErrorCode |= HAL_DMA_ERROR_TE;
+
+      /* Change the DMA state */
+      hdma->State = HAL_DMA_STATE_ERROR; // FIX
     }
   }
   /* FIFO Error Interrupt management ******************************************/
@@ -774,6 +777,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
 
       /* Update error code */
       hdma->ErrorCode |= HAL_DMA_ERROR_FE;
+
+      /* Change the DMA state */
+      hdma->State = HAL_DMA_STATE_ERROR; // FIX
     }
   }
   /* Direct Mode Error Interrupt management ***********************************/
@@ -786,6 +792,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
 
       /* Update error code */
       hdma->ErrorCode |= HAL_DMA_ERROR_DME;
+
+      /* Change the DMA state */
+      hdma->State = HAL_DMA_STATE_ERROR; // FIX
     }
   }
   /* Half Transfer Complete Interrupt management ******************************/
@@ -802,6 +811,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
         /* Current memory buffer used is Memory 0 */
         if((hdma->Instance->CR & DMA_SxCR_CT) == RESET)
         {
+          /* Change DMA peripheral state */
+          hdma->State = HAL_DMA_STATE_READY_HALF_MEM0; // FIX
+
           if(hdma->XferHalfCpltCallback != NULL)
           {
             /* Half transfer callback */
@@ -811,6 +823,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
         /* Current memory buffer used is Memory 1 */
         else
         {
+          /* Change DMA peripheral state */
+          hdma->State = HAL_DMA_STATE_READY_HALF_MEM1; // FIX
+
           if(hdma->XferM1HalfCpltCallback != NULL)
           {
             /* Half transfer callback */
@@ -827,6 +842,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
           hdma->Instance->CR  &= ~(DMA_IT_HT);
         }
 
+        /* Change DMA peripheral state */
+        hdma->State = HAL_DMA_STATE_READY_HALF_MEM0; // FIX
+
         if(hdma->XferHalfCpltCallback != NULL)
         {
           /* Half transfer callback */
@@ -875,6 +893,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
         /* Current memory buffer used is Memory 0 */
         if((hdma->Instance->CR & DMA_SxCR_CT) == RESET)
         {
+          /* Change DMA peripheral state */
+          hdma->State = HAL_DMA_STATE_READY_MEM1; // FIX
+     
           if(hdma->XferM1CpltCallback != NULL)
           {
             /* Transfer complete Callback for memory1 */
@@ -884,6 +905,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
         /* Current memory buffer used is Memory 1 */
         else
         {
+          /* Change DMA peripheral state */
+          hdma->State = HAL_DMA_STATE_READY_MEM0; // FIX
+     
           if(hdma->XferCpltCallback != NULL)
           {
             /* Transfer complete Callback for memory0 */
@@ -894,6 +918,9 @@ void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
       /* Disable the transfer complete interrupt if the DMA mode is not CIRCULAR */
       else
       {
+    	/* Change DMA peripheral state */
+    	hdma->State = HAL_DMA_STATE_READY_MEM0; // FIX
+     
         if((hdma->Instance->CR & DMA_SxCR_CIRC) == RESET)
         {
           /* Disable the transfer complete interrupt */

targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_hal_dma.h

@@ -122,7 +122,13 @@ typedef enum
 {
   HAL_DMA_STATE_RESET             = 0x00U,  /*!< DMA not yet initialized or disabled */
   HAL_DMA_STATE_READY             = 0x01U,  /*!< DMA initialized and ready for use   */
+  HAL_DMA_STATE_READY_MEM0        = 0x11U,  /*!< DMA Mem0 process success            */ // FIX
+  HAL_DMA_STATE_READY_MEM1        = 0x21U,  /*!< DMA Mem1 process success            */ // FIX
+  HAL_DMA_STATE_READY_HALF_MEM0   = 0x31U,  /*!< DMA Mem0 Half process success       */ // FIX
+  HAL_DMA_STATE_READY_HALF_MEM1   = 0x41U,  /*!< DMA Mem1 Half process success       */ // FIX
   HAL_DMA_STATE_BUSY              = 0x02U,  /*!< DMA process is ongoing              */
+  HAL_DMA_STATE_BUSY_MEM0         = 0x12U,  /*!< DMA Mem0 process is ongoing         */ // FIX
+  HAL_DMA_STATE_BUSY_MEM1         = 0x22U,  /*!< DMA Mem1 process is ongoing         */ // FIX
   HAL_DMA_STATE_TIMEOUT           = 0x03U,  /*!< DMA timeout state                   */
   HAL_DMA_STATE_ERROR             = 0x04U,  /*!< DMA error state                     */
   HAL_DMA_STATE_ABORT             = 0x05U,  /*!< DMA Abort state                     */