1

yincheng.zhong

2024-04-02 10c6296bfbe9ea5bedf69266056a4321c48594d6

 Src/OnChipDevices/ADC.c

@@ -13,9 +13,9 @@
uint8_t Get_Battary(void)
{static float last_value = 100;
static uint8_t first=1;
   HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_RESET);
//   HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_RESET);
   bat_volt = (float)Get_ADC_Value()/621;  //(value/4096*3.3*2-3.5)/0.7
   HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_SET);
//   HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_SET);
   if(bat_volt>=3.5)
   {
      if(first)
@@ -29,6 +29,41 @@
      last_value = 100;
   if(last_value<0)
      last_value = 0;
    }else{
        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;   
}