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Use CCM_CODE for DMA handlers on F3. 

This shaves a few cycles when handling the DSHOT telemetry responses.
Fewer invalid packets.
This commit is contained in:
Dominic Clifton 2019-08-28 16:56:03 +02:00
parent 105093211d
commit 8731e4a003
2 changed files with 8 additions and 1 deletions
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1
src/main/drivers/dma.c
View File

@ -52,6 +52,7 @@ static dmaChannelDescriptor_t dmaDescriptors[DMA_LAST_HANDLER] = {
/*
* DMA IRQ Handlers
*/
DEFINE_DMA_IRQ_HANDLER(1, 1, DMA1_CH1_HANDLER)
DEFINE_DMA_IRQ_HANDLER(1, 2, DMA1_CH2_HANDLER)
DEFINE_DMA_IRQ_HANDLER(1, 3, DMA1_CH3_HANDLER)

8
src/main/drivers/dma.h
View File

@ -168,7 +168,13 @@ typedef enum {
.owner.resourceIndex = 0 \
}
#define DEFINE_DMA_IRQ_HANDLER(d, c, i) void DMA ## d ## _Channel ## c ## _IRQHandler(void) {\
#if defined(USE_CCM_CODE) && defined(STM32F3)
#define DMA_HANDLER_CODE CCM_CODE
#else
#define DMA_HANDLER_CODE
#endif
#define DEFINE_DMA_IRQ_HANDLER(d, c, i) DMA_HANDLER_CODE void DMA ## d ## _Channel ## c ## _IRQHandler(void) {\
const uint8_t index = DMA_IDENTIFIER_TO_INDEX(i); \
dmaCallbackHandlerFuncPtr handler = dmaDescriptors[index].irqHandlerCallback; \
if (handler) \