diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_dma.h')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_dma.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_dma.h b/nuttx/arch/arm/src/stm32/stm32_dma.h index c4df0d1dd..cccbc41f0 100644 --- a/nuttx/arch/arm/src/stm32/stm32_dma.h +++ b/nuttx/arch/arm/src/stm32/stm32_dma.h @@ -252,6 +252,19 @@ EXTERN void stm32_dmastart(DMA_HANDLE handle, dma_callback_t callback, EXTERN void stm32_dmastop(DMA_HANDLE handle); /**************************************************************************** + * Name: stm32_dmaresidual + * + * Description: + * Returns the number of bytes remaining to be transferred + * + * Assumptions: + * - DMA handle allocated by stm32_dmachannel() + * + ****************************************************************************/ + +EXTERN size_t stm32_dmaresidual(DMA_HANDLE handle); + +/**************************************************************************** * Name: stm32_dmasample * * Description: |