diff options
| author | px4dev <px4@purgatory.org> | 2013-01-10 01:57:16 -0800 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2013-01-13 19:05:00 -0800 |
| commit | e2f7a468121cb41131b453821dcc79d4de8d8e28 (patch) | |
| tree | 077956b04499e638fa04898bbe30556e69d45f28 /nuttx | |
| parent | 97136375e393d71000a8f5e7c4c5a1b1bcb0f464 (diff) | |
| download | px4-firmware-e2f7a468121cb41131b453821dcc79d4de8d8e28.tar.gz px4-firmware-e2f7a468121cb41131b453821dcc79d4de8d8e28.tar.bz2 px4-firmware-e2f7a468121cb41131b453821dcc79d4de8d8e28.zip | |
Clear the interrupting condition when we take the DMA interrupt.
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32f10xxx_dma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32f10xxx_dma.c b/nuttx/arch/arm/src/stm32/stm32f10xxx_dma.c index 4d5371e7a..a02ceb230 100644 --- a/nuttx/arch/arm/src/stm32/stm32f10xxx_dma.c +++ b/nuttx/arch/arm/src/stm32/stm32f10xxx_dma.c @@ -308,6 +308,10 @@ static int stm32_dmainterrupt(int irq, void *context) isr = dmabase_getreg(dmach, STM32_DMA_ISR_OFFSET) & DMA_ISR_CHAN_MASK(dmach->chan); + /* Clear the interrupts we are handling */ + + dmabase_putreg(dmach, STM32_DMA_IFCR_OFFSET, isr); + /* Invoke the callback */ if (dmach->callback) |