CW32L010F8P6电源测量和温度测量问题？

/*                

================================================================================

描述 : ADC初始化

输入 : 

输出 : 

================================================================================

*/

void app_smoke_adc_init(void)

{

  ADC_InitTypeDef ADC_InitStructure = {0};

  

  __SYSCTRL_GPIOB_CLK_ENABLE();

  PB02_ANALOG_ENABLE();

  

  ADC_InitStructure.ADC_ClkDiv = ADC_Clk_Div8;

  ADC_InitStructure.ADC_ConvertMode = ADC_ConvertMode_Continuous;



  ADC_InitStructure.ADC_IN0.ADC_InputChannel = ADC_InputCH9;

  ADC_InitStructure.ADC_IN0.ADC_SampTime = ADC_SampTime390Clk;//烟雾浓度



  ADC_InitStructure.ADC_IN1.ADC_InputChannel = ADC_InputTs;

  ADC_InitStructure.ADC_IN1.ADC_SampTime = ADC_SampTime390Clk;//内部温度



  ADC_InitStructure.ADC_IN2.ADC_InputChannel = ADC_InputVref1P2;

  ADC_InitStructure.ADC_IN2.ADC_SampTime = ADC_SampTime390Clk; //1.2V基准电压 

  

  ADC_InitStructure.ADC_SQREns = ADC_SqrEns0to2;

  

  ADC_Init(&ADC_InitStructure);



  REGBITS_SET(CW_ADC->CR, ADC_CR_BGREN_Msk);//使能BGR

  

  ADC_SetTs(ADC_TsEnable);//使能内部温度

  

  //ADC使能

  ADC_Enable();

  ADC_SoftwareStartConvCmd(ENABLE);  

//  g_sAppSmokeWork.adc_flag=true;

}

/*                

================================================================================

描述 : ADC检测转换

输入 : 

输出 : 

================================================================================

*/

void app_smoke_adc_check(void)

{

//  static u16 run_cnts=0;



//  if(g_sAppSmokeWork.adc_flag && run_cnts++>500)

//  {

    u16 adc_array[3]={0};

//    ADC_SoftwareStartConvCmd(DISABLE); 

    

    ADC_GetSqr0Result(&adc_array[0]);

    ADC_GetSqr1Result(&adc_array[1]);

    ADC_GetSqr2Result(&adc_array[2]);  

//    run_cnts=0;    

    g_sAppSmokeWork.adc_flag=false;

    for(u8 i=0; i<3; i++)

    {

      printf("adc_%d=%d\n", i, adc_array[i]);

    }

    

    //电源电压计算

    u16 volt_bgr=*((uint16_t*)0x001007D2);//基准电压值

    

    float volt_vcc=volt_bgr*4095.f/adc_array[2]/1000;

    printf("volt_bgr=%.3fV, volt_vcc=%.3fV\n", volt_bgr/1000.f, volt_vcc);

    

    //温度计算

    float temp_val=ADC_GetTs(volt_vcc, adc_array[1]);

    printf("temp_val=%.1f C\n", temp_val);

//  }



}

[08:48:01.767] adc_0=0

[08:48:01.767] adc_1=912

[08:48:01.767] adc_2=3062

[08:48:01.767] volt_bgr=1.199V, volt_vcc=1.603V

[08:48:01.780] temp_val=-129.9 C

[08:48:01.780] 

[08:48:04.153] now_rtc_time=1624237630s

[08:48:04.160] 

[08:48:09.153] now_rtc_time=1624237635s

[08:48:09.159] 

[08:48:12.193] adc_0=0

[08:48:12.193] adc_1=913

[08:48:12.193] adc_2=3064

[08:48:12.193] volt_bgr=1.199V, volt_vcc=1.602V

[08:48:12.193] temp_val=-129.9 C