stmhal/hal: For F7 MCUs, expose DMA_CalcBaseAndBitshift function.

It's needed by the DMA driver to do an efficient reinitialisation.  This
patch follows what is done in the F4 HAL.
pull/2979/head
Damien George 2017-03-28 12:56:18 +11:00
rodzic ff927cb106
commit e997bb6328
1 zmienionych plików z 2 dodań i 2 usunięć

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@ -149,7 +149,7 @@ typedef struct
* @{
*/
static void DMA_SetConfig(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength);
static uint32_t DMA_CalcBaseAndBitshift(DMA_HandleTypeDef *hdma);
uint32_t DMA_CalcBaseAndBitshift(DMA_HandleTypeDef *hdma);
static HAL_StatusTypeDef DMA_CheckFifoParam(DMA_HandleTypeDef *hdma);
/**
@ -1187,7 +1187,7 @@ static void DMA_SetConfig(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t
* the configuration information for the specified DMA Stream.
* @retval Stream base address
*/
static uint32_t DMA_CalcBaseAndBitshift(DMA_HandleTypeDef *hdma)
uint32_t DMA_CalcBaseAndBitshift(DMA_HandleTypeDef *hdma)
{
uint32_t stream_number = (((uint32_t)hdma->Instance & 0xFFU) - 16U) / 24U;