有没有大神做过STM32f030内部温度传感器，怎么读和计算呢
我写的这个初始化对吗？？ADC_InitTypeDef ADC_InitStuctrue;
ADC_DeInit(ADC1);
ADC_InitStuctrue.ADC_Resolution=ADC_Resolution_12b;//12位精度
ADC_InitStuctrue.ADC_ContinuousConvMode=DISABLE;//单次ADC
ADC_InitStuctrue.ADC_ExternalTrigConvEdge=ADC_ExternalTrigConvEdge_None;
ADC_InitStuctrue.ADC_DataAlign=ADC_DataAlign_Right;//数据右对齐
ADC_InitStuctrue.ADC_ScanDirection=ADC_ScanDirection_Backward;//数据覆盖
ADC_Init(ADC1,&ADC_InitStuctrue);
ADC_Cmd(ADC1, DISABLE);
ADC_ChannelConfig(ADC1,ADC_Channel_16,ADC_SampleTime_239_5Cycles)；
ADC_TempSensorCmd(ENABLE);
ADC_GetCalibrationFactor(ADC1);
ADC_Cmd(ADC1,ENABLE);
while(ADC_GetFlagStatus(ADC1,ADC_FLAG_ADEN)==RESET);
ADC_StartOfConversion(ADC1);
while(ADC_GetFlagStatus(ADC1,ADC_FLAG_EOC)==RESET);
首先，现在已经开始使用hal库了，标准库已经不支持了官方更新了，其次，看一下参考资料。。。。 内部传感器测温没试过,数据手册上有这个功能 /*
* Reading built-in temperature sensor of STM32F103RB chip (on a NUCLEO-F103RB board)
*/
#include "mbed.h"
/*
* STM32F103x data-sheet:
* 5.3.19 Temperature sensor characteristics
* Table 50. TS characteristics, Page 80
*/
const float AVG_SLOPE = 4.3E-03; // slope (gradient) of temperature line function
const float V25 = 1.43; // sensor's voltage at 25°C
const float ADC_TO_VOLT = 3.3 / 4096; // conversion coefficient of digital value to voltage
// when using 3.3V ref. voltage at 12-bit resolution (2^12 = 4096)
Serial pc(USBTX, USBRX);
DigitalOut led(LED1);
ADC_HandleTypeDef hadc1; // ADC handle
uint16_t adcValue; // digital value of sensor
float vSense; // sensor's output voltage
float temp; // sensor's temperature [°C]
/* ADC1 init function */
void MX_ADC1_Init(void) {
ADC_ChannelConfTypeDefsConfig;
/**Common config
*/
hadc1.Instance = ADC1;
hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
hadc1.Init.ContinuousConvMode = DISABLE;
hadc1.Init.DiscontinuousConvMode = DISABLE;
hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc1.Init.NbrOfConversion = 1;
HAL_ADC_Init(&hadc1);
/**Configure Regular Channel
*/
sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5;
HAL_ADC_ConfigChannel(&hadc1, &sConfig);
}
int main() {
MX_ADC1_Init(); // initialize AD convertor
while(HAL_ADCEx_Calibration_Start(&hadc1) != HAL_OK); // calibrate AD convertor
while(1) {
HAL_ADC_Start(&hadc1); // start analog to digital conversion
while(HAL_ADC_PollForConversion(&hadc1, 1000000) != HAL_OK);// wait for completing the conversion
adcValue = HAL_ADC_GetValue(&hadc1); // read sensor's digital value
vSense = adcValue * ADC_TO_VOLT; // convert sensor's digital value to voltage
/*
* STM32F103xx Reference Manual:
* 11.10 Temperature sensor
* Reading the temperature, Page 235
* Temperature (in °C) = {(V25 - Vsense) / Avg_Slope} + 25
*/
temp = (V25 - vSense) / AVG_SLOPE + 25.0f; // convert sensor's output voltage to temperature [°C]
pc.printf("temp = %3.1f *C\n", temp, 176); // display chip's temperature [°C]
led = !led;
wait_ms(1000);
}
}
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