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Merge pull request #7824 from dawr68/h7-adc3

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Add ADC3 support on H7
This commit is contained in:
Paweł Spychalski 2022-02-22 10:54:15 +01:00 • committed by GitHub
commit a30c008643
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1 changed files with 14 additions and 2 deletions
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16
src/main/drivers/adc_stm32h7xx.c
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@ -51,7 +51,6 @@ static adcDevice_t adcHardware[ADCDEV_COUNT] = {
.enabled = false, .enabled = false,
.usedChannelCount = 0 .usedChannelCount = 0
}, },
/* currently not used
{ {
.ADCx = ADC2, .ADCx = ADC2,
.rccADC = RCC_AHB1(ADC12), .rccADC = RCC_AHB1(ADC12),
@ -60,8 +59,18 @@ static adcDevice_t adcHardware[ADCDEV_COUNT] = {
.channel = DMA_REQUEST_ADC2, .channel = DMA_REQUEST_ADC2,
.enabled = false, .enabled = false,
.usedChannelCount = 0 .usedChannelCount = 0
},
#if !(defined(STM32H7A3xx) || defined(STM32H7A3xxQ)) // These MCUs do not support ADC3
{
.ADCx = ADC3,
.rccADC = RCC_AHB4(ADC3),
.rccDMA = RCC_AHB1(DMA2),
.DMAy_Streamx = DMA2_Stream2,
.channel = DMA_REQUEST_ADC3,
.enabled = false,
.usedChannelCount = 0
} }
*/ #endif // ADC3
}; };
adcDevice_t adcDevice[ADCDEV_COUNT]; adcDevice_t adcDevice[ADCDEV_COUNT];
@ -114,6 +123,9 @@ ADCDevice adcDeviceByInstance(ADC_TypeDef *instance)
if (instance == ADC2) if (instance == ADC2)
return ADCDEV_2; return ADCDEV_2;
if (instance == ADC3)
return ADCDEV_3;
return ADCINVALID; return ADCINVALID;
} }