I use STM32CubeIDE.
l have one external input (ADC_IN8), the internal temperature as a second channel (ADC_IN17) and Vdd voltage as the third channel.
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc)
{
if (hadc->Instance == ADC1)
{
if (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOC))
{
ADC_raw[idx] = HAL_ADC_GetValue(&hadc1);
idx++;
}
if (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOS))
{
idx=0;
Vdd = (*VREFINT_CAL_ADDR)/ADC_raw[2];
temperature = (((int32_t)ADC_raw[1] * Vdd/3300)- (int32_t) *TEMPSENSOR_CAL1_ADDR );
temperature = temperature * (int32_t)(TEMPSENSOR_CAL2_TEMP - TEMPSENSOR_CAL1_TEMP);
temperature = temperature / (int32_t)(*TEMPSENSOR_CAL2_ADDR - *TEMPSENSOR_CAL1_ADDR);
temperature = temperature + TEMPSENSOR_CAL1_TEMP;
Vin = Vdd*ADC_raw[0]/4095;
}
}
}
But something is wrong or not correctly set.
Anyone have any suggestion?
Thanks in advance
Stevasway
