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Set OC mode before enabling DMA stream

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This commit is contained in:
Raphael Coeffic
2022-03-20 16:30:59 +01:00
parent 3fa6e270d5
commit 76e79358b8
1 changed files with 4 additions and 4 deletions
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radio/src/targets/common/arm/stm32/stm32_pulse_driver.cpp
+4 -4
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@@ -147,6 +147,10 @@ void stm32_pulse_start_dma_req(const stm32_pulse_timer_t* tim,
const void* pulses, uint16_t length,
uint32_t ocmode, uint32_t cmp_val)
{
// Re-configure timer output
set_compare_reg(tim, cmp_val);
LL_TIM_OC_SetMode(tim->TIMx, tim->TIM_Channel, ocmode);
// re-init DMA stream
LL_DMA_DeInit(tim->DMAx, tim->DMA_Stream);
@@ -189,10 +193,6 @@ void stm32_pulse_start_dma_req(const stm32_pulse_timer_t* tim,
LL_TIM_SetCounter(tim->TIMx, 0);
LL_DMA_EnableStream(tim->DMAx, tim->DMA_Stream);
// Re-configure timer output
set_compare_reg(tim, cmp_val);
LL_TIM_OC_SetMode(tim->TIMx, tim->TIM_Channel, ocmode);
// Trigger update to effect the first DMA transation
// and thus load ARR with the first duration
LL_TIM_EnableDMAReq_UPDATE(tim->TIMx);