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Proper DMA stop after copy operation finished. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3842 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2012-01-21 13:43:33 +00:00
parent 6186d5a390
commit c3e9fad51e
2 changed files with 9 additions and 4 deletions
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7
os/hal/platforms/STM32F1xx/stm32_dma.h
View File

@ -364,8 +364,11 @@ typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*/
#define dmaWaitCompletion(dmastp) \
while (((dmastp)->channel->CNDTR > 0) && \
((dmastp)->channel->CCR & STM32_DMA_CR_EN))
while ((dmastp)->channel->CNDTR > 0) \
; \
dmaStreamDisable(dmastp); \
}
/** @} */
/*===========================================================================*/

6
os/hal/platforms/STM32L1xx/stm32_dma.h
View File

@ -355,8 +355,10 @@ typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*/
#define dmaWaitCompletion(dmastp) \
while (((dmastp)->channel->CNDTR > 0) && \
((dmastp)->channel->CCR & STM32_DMA_CR_EN))
while ((dmastp)->channel->CNDTR > 0) \
; \
dmaStreamDisable(dmastp); \
}
/** @} */
/*===========================================================================*/