From 09d8ca4bc084a543b0d64c75f7d75e809f76e515 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 21 Jan 2012 08:58:43 +0000 Subject: Fixed small problem with DMA memory copy, the stream was not properly stopped. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3834 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32F4xx/stm32_dma.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'os/hal/platforms/STM32F4xx') diff --git a/os/hal/platforms/STM32F4xx/stm32_dma.h b/os/hal/platforms/STM32F4xx/stm32_dma.h index 967934a78..8ec1e3aa8 100644 --- a/os/hal/platforms/STM32F4xx/stm32_dma.h +++ b/os/hal/platforms/STM32F4xx/stm32_dma.h @@ -418,9 +418,11 @@ 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)->stream->CNDTR > 0) && \ - ((dmastp)->stream->CCR & STM32_DMA_CR_EN)) +#define dmaWaitCompletion(dmastp) { \ + while ((dmastp)->stream->NDTR > 0) \ + ; \ + dmaStreamDisable(dmastp); \ +} /** @} */ /*===========================================================================*/ -- cgit v1.2.3