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Code Issues Wiki Activity

Enable scan conversion for injected channels

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This commit is contained in:
jflyper 2018-01-11 12:30:05 +09:00
parent 392ff8eec8
commit 5d6bc8fa7b
1 changed files with 7 additions and 1 deletions
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8
src/main/drivers/adc_stm32f4xx.c
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@ -114,8 +114,14 @@ void adcInitDevice(ADC_TypeDef *adcdev, int channelCount)
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = channelCount;
ADC_InitStructure.ADC_ScanConvMode = channelCount > 1 ? ENABLE : DISABLE; // 1=scan more that one channel in group
// Multiple injected channel seems to require scan conversion mode to be
// enabled even if main (non-injected) channel count is 1.
#ifdef USE_ADC_INTERNAL
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
#else
ADC_InitStructure.ADC_ScanConvMode = channelCount > 1 ? ENABLE : DISABLE; // 1=scan more that one channel in group
#endif
ADC_Init(adcdev, &ADC_InitStructure);
}