Try fix X12S RTC battery sampling

2021-07-03 13:48:02 +02:00
parent 660a4443b9
commit f604fed503
1 changed files with 2 additions and 0 deletions
@@ -128,6 +128,8 @@ void adcInit()
  ADC_DMA_Stream->NDTR = 2;
  ADC_DMA_Stream->FCR = DMA_SxFCR_DMDIS | DMA_SxFCR_FTH_0;

+  ADC->CCR = ADC_CCR_VBATE; // Enable RTC coin cell sampling bridge
+  
  ADC1->CR1 = ADC_CR1_SCAN;
  ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_DMA | ADC_CR2_DDS;
  ADC1->SQR1 = (1 - 1) << 20;