adc设定,4 I; f# p5 u8 E) j& d ADC_DeInit(ADC1); / M' G! J. k% [* s* A. M( e ADC_GetCalibrationFactor(ADC1); ADC_Cmd(ADC1, ENABLE); while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADRDY)){} ADC_StructInit(&ADC_InitStruct); ADC_InitStruct.ADC_Resolution = ADC_Resolution_12b; ADC_InitStruct.ADC_ContinuousConvMode = DISABLE; ADC_InitStruct.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; ADC_InitStruct.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_TRGO; ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right; : L \4 I7 n* m4 u; L" S ADC_InitStruct.ADC_ScanDirection = ADC_ScanDirection_Backward; " s* O4 |1 T |) i' h( w; H ADC_Init(ADC1, &ADC_InitStruct); 5 u: j+ E/ K4 D/ C- b0 V1 R //最主要这2行* G/ O7 G& {; U) ?& Q+ P ADC_ChannelConfig(ADC1,ADC_Channel_TempSensor, ADC_SampleTime_239_5Cycles); ; U8 A' N; K. `, I ADC_TempSensorCmd(ENABLE); 这样执行ADC_StartOfConversion(ADC1);,所读出的值,经 温度(℃ ) = {(V25 – VSENSE) / Avg_Slope} + 25 转换,就是单片机的温度了- S& X d$ M z1 c ' F7 Z, c% d. k% v. j0 I2 ` |
5.13........