Minor refactoring.

Author: xC0000005

libraries/DMA/src/DMATransfer.cpp

@@ -30,6 +30,8 @@ void DMATransferClass::prepare(dmatransfer_t *settings)
 
     // Call dma prepare
     prepare_dma(&_transfer_settings.dma_settings);
+
+    _prepared = true;
   }
 }
 
@@ -45,13 +47,15 @@ void DMATransferClass::begin(int bytes_to_transfer)
   }
 
   // Reset flags so it starts over
-  __HAL_DMA_CLEAR_FLAG(&_transfer_settings, DMA_FLAG_TC2 | DMA_FLAG_HT2 | DMA_FLAG_TE2);
+  __HAL_DMA_CLEAR_FLAG(&_transfer_settings.dma_settings, DMA_FLAG_TC2 | DMA_FLAG_HT2 | DMA_FLAG_TE2);
 
   // Set size to transfer
   _transfer_settings.dma_settings.Instance->CNDTR = bytes_to_transfer;
 
   // and enable it
   __HAL_DMA_ENABLE(&_transfer_settings.dma_settings);
+
+  HAL_DMA_Start(&_transfer_settings.dma_settings, _transfer_settings.source, _transfer_settings.destination, bytes_to_transfer);
 }
 
 /**

libraries/DMA/src/DMATransfer.h

@@ -19,12 +19,14 @@ struct dmatransfer_s {
   DMA_CS_Selection *channel_stream;
   uint32_t transfer_direction;
   boolean circular;
+  uint32_t source;
+  uint32_t destination;
   void (*transferComplete)(DMA_HandleTypeDef *);
   void (*transferHalfComplete)(DMA_HandleTypeDef *);
   void (*transferError)(DMA_HandleTypeDef *);
 };
 
-class DMATransferClass {
+typedef class DMATransferClass {
 
   public:
     void prepare(dmatransfer_t *settings);
@@ -33,7 +35,7 @@ class DMATransferClass {
   private:
     bool _prepared;
     dmatransfer_t _transfer_settings;
-};
+} DMATransfer;
 
 
 #endif /* __DMATRANSFER_H__ */