Clear the interrupting condition when we take the DMA interrupt.

2013-01-10 01:57:16 -08:00 · 2013-01-10 01:57:16 -08:00 · e2f7a46812
parent 97136375e3
commit e2f7a46812
1 changed files with 4 additions and 0 deletions
--- 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)