diff options
| -rw-r--r-- | ports/stm32/adc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ports/stm32/adc.c b/ports/stm32/adc.c index ec4a18cde..20cd2499e 100644 --- a/ports/stm32/adc.c +++ b/ports/stm32/adc.c @@ -905,6 +905,12 @@ float adc_read_core_temp_float(ADC_HandleTypeDef *adcHandle) { } float adc_read_core_vbat(ADC_HandleTypeDef *adcHandle) { + #if defined(STM32G4) || defined(STM32L4) + // Update the reference correction factor before reading tempsensor + // because VREFINT of STM32G4,L4 is at VDDA=3.0V + adc_read_core_vref(adcHandle); + #endif + #if defined(STM32L152xE) mp_raise_NotImplementedError(MP_ERROR_TEXT("read_core_vbat not supported")); #else |