STM32F1, STMCubeMX, ADC, Internal Temperature Sensor

STM32F1, STMCubeMX, ADC, Internal Temperature Sensor

STM32F1 내부에 있는 온도 센서를 ADC합니다.

0. 참고 사이트

• https://electronics.stackexchange.com/questions/324321/reading-internal-temperature-sensor-stm32

1. ADC1 > Temperature Sensor Channel

2. Configuration > ADC1

3. Continous Conversion Mode > Enabled

4. ADC 계산법

/* Reference Manual & Datasheet         Temperature (in 'C) = {(V25 - VSENSE) / Avg_Slope} + 25. Where, V25 = VSENSE value for 25'C and Avg_Slope = Average Slope for curve between Temperature vs. VSENSE (given in mV/'C or uV/'C). */

HAL_ADC_Start(&hadc1); while(1) {     HAL_ADC_PollForConversion(&hadc1, 100);     adc1 = HAL_ADC_GetValue(&hadc1);     temperature = ((adc1*vsense - 1.43)/0.0043) + 25;     printf("temperature: %d, %d\r\n", adc1, temperature);     HAL_Delay(1000); } HAL_ADC_Stop(&hadc1);

5. 소스

https://github.com/sglee0223/stm32f103ve/tree/master/internal_temperature_sensor

6. 실행 결과