/**
* The on chip temperature.
*
* This is horrible as TEMPERATURE_external() must be called first
*/
int16_t TEMPERATURE_cpu() {
HAL_ADC_PollForConversion(&hadc, 100);
uint32_t val = HAL_ADC_GetValue(&hadc);
return ComputeTemperature(val);
}
uint16_t adc_read(analogin_t *obj)
{
ADC_ChannelConfTypeDef sConfig = {0};
// Configure ADC channel
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_56CYCLES;
sConfig.Offset = 0;
switch (obj->channel) {
case 0:
sConfig.Channel = ADC_CHANNEL_0;
break;
case 1:
sConfig.Channel = ADC_CHANNEL_1;
break;
case 2:
sConfig.Channel = ADC_CHANNEL_2;
break;
case 3:
sConfig.Channel = ADC_CHANNEL_3;
break;
case 4:
sConfig.Channel = ADC_CHANNEL_4;
break;
case 5:
sConfig.Channel = ADC_CHANNEL_5;
break;
case 6:
sConfig.Channel = ADC_CHANNEL_6;
break;
case 7:
sConfig.Channel = ADC_CHANNEL_7;
break;
case 8:
sConfig.Channel = ADC_CHANNEL_8;
break;
case 9:
sConfig.Channel = ADC_CHANNEL_9;
break;
case 10:
sConfig.Channel = ADC_CHANNEL_10;
break;
case 11:
sConfig.Channel = ADC_CHANNEL_11;
break;
case 12:
sConfig.Channel = ADC_CHANNEL_12;
break;
case 13:
sConfig.Channel = ADC_CHANNEL_13;
break;
case 14:
sConfig.Channel = ADC_CHANNEL_14;
break;
case 15:
sConfig.Channel = ADC_CHANNEL_15;
break;
case 16:
sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
sConfig.SamplingTime = ADC_SAMPLETIME_480CYCLES;
break;
case 17:
sConfig.Channel = ADC_CHANNEL_VREFINT;
sConfig.SamplingTime = ADC_SAMPLETIME_480CYCLES;
break;
case 18:
sConfig.Channel = ADC_CHANNEL_VBAT;
sConfig.SamplingTime = ADC_SAMPLETIME_480CYCLES;
break;
default:
return 0;
}
HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
HAL_ADC_Start(&obj->handle); // Start conversion
// Wait end of conversion and get value
if (HAL_ADC_PollForConversion(&obj->handle, 10) == HAL_OK) {
return (uint16_t)HAL_ADC_GetValue(&obj->handle);
} else {
return 0;
}
}