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adc设定, ADC_DeInit(ADC1); ADC_GetCalibrationFactor(ADC1); 5 @' m3 F, u0 r7 |6 t, M- c4 g ADC_Cmd(ADC1, ENABLE); while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADRDY)){} 2 c3 L* k0 z/ |8 H+ z ADC_StructInit(&ADC_InitStruct); : g; w8 q% O; F0 `6 e2 v ADC_InitStruct.ADC_Resolution = ADC_Resolution_12b; % F* P9 x, G8 z' K% H3 f6 Y" I ADC_InitStruct.ADC_ContinuousConvMode = DISABLE; ADC_InitStruct.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; $ s- U( t- S" y6 i" W ADC_InitStruct.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_TRGO; ; _0 [- {1 m: q1 \3 A7 B: e ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right; 2 Y, U1 r! P* c4 n+ H ADC_InitStruct.ADC_ScanDirection = ADC_ScanDirection_Backward; 1 [1 L; l8 E$ s ADC_Init(ADC1, &ADC_InitStruct); ) |2 H ]$ k, u. I" h( Y+ g //最主要这2行- n2 V" w9 N8 l Z2 d( o ADC_ChannelConfig(ADC1,ADC_Channel_TempSensor, ADC_SampleTime_239_5Cycles); 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 |
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