yincheng.zhong
2024-03-01 8b77c1ebab0a815b07d8a899b4783c923dc733e2
Src/OnChipDevices/ADC.c
@@ -33,37 +33,4 @@
        last_value=0;
    }
    return last_value;
}
uint16_t verfint_cal,adc_val;
uint8_t Get_VDDVlotage(void)
{   static float last_value = 100;
    static uint8_t first=1;
    static uint16_t bat_count = 0;
    if(bat_count++%600==0)
    {
        MX_ADC1_Init();
        Delay_Us(30);
        adc_val = Get_ADC_Value();
        MX_ADC_DeInit();
        //temp_voltage = (float)Get_ADC_Value()/621;  //(value/4096*3.3*2-3.5)/0.7
        verfint_cal = *(__IO uint16_t *)(0X1FF80078);
        bat_volt = 3*(float)verfint_cal/adc_val-0.329;
        if(bat_volt>=3.0)
        {
            if(first)
            {
                first = 0;
                last_value =(bat_volt-3.0)*167;//(bat_volt-3.5)/0.6*100
            }
            last_value = 0.9*last_value + (bat_volt-3.0)*16.7;
            if(last_value>100)
                last_value = 100;
            if(last_value<0)
                last_value = 0;
        } else {
            last_value=0;
        }
    }
    return last_value;
}