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fix: ADC DMA clock enable and inhibit mask for internal channels (#4103)

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Raphael Coeffic 2023-09-24 19:27:06 +02:00 • committed by GitHub
parent bd9440daa3
commit 66b9bdd3e4
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1 changed files with 6 additions and 1 deletions
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7
radio/src/targets/common/arm/stm32/stm32_adc.cpp
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@ -20,7 +20,10 @@
*/
#include "stm32_adc.h"
#include "stm32_dma.h"
#include "stm32_gpio_driver.h"
#include "timers_driver.h"
#include "opentx.h"
#define ADC_COMMON ((ADC_Common_TypeDef *) ADC_BASE)
@ -235,7 +238,7 @@ static uint8_t adc_init_channels(const stm32_adc_t* adc,
}
} else {
// Internal channels are inhibited until explicitely enabled
_adc_inhibit_mask |= mask;
_adc_inhibit_mask |= (1 << input_idx);
}
// channel is already used, probably a secondary input
@ -270,6 +273,8 @@ static bool adc_init_dma_stream(ADC_TypeDef* adc, DMA_TypeDef* DMAx,
uint32_t stream, uint32_t channel,
uint16_t* dest, uint8_t nconv)
{
stm32_dma_enable_clock(DMAx);
// Disable DMA before continuing (see ref. manual "Stream configuration procedure")
if (!adc_disable_dma(DMAx, stream))
return false;