# ADC [文件已丢失] # PB12 - ADC1—IN11 R38 # PB15 - ADC2—IN15 R37 double get_vol(void) { HAL_ADC_Start(&hadc2); uint32_t adc_value =HAL_ADC_GetValue(&hadc2); return 3.3 * adc_value/4096; } stm32