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分栏式网站,zedu小语种网站建设,西宁专业做网站,如何把资料上传到网站NTC热敏电阻采集温度-单片机通用模板一、NTC热敏电阻转换温度的原理二、AT104Tem.c的实现三、AT104Tem.h的实现一、NTC热敏电阻转换温度的原理 ①NTC热敏电阻会随着温度的升高#xff0c;电阻值R逐渐降低#xff1b;②硬件搭建电阻分压电路采集ADC逆推热敏电阻当前的阻值电阻值R逐渐降低②硬件搭建电阻分压电路采集ADC逆推热敏电阻当前的阻值然后根据阻值查表即可得出温度二、AT104Tem.c的实现 #include at104Tem.hu16 code TemperTable[]{ 0x022D, //0 0x0246, //1 0x0260, //2 0x027B, //3 0x0296, //4 0x02B2, //5 0x02CF, //6 0x02ED, //7 0x030B, //8 0x032A, //9 0x034A, //10 0x036A, //11 0x038B, //12 0x03AD, //13 0x03D0, //14 0x03F3, //15 0x0417, //16 0x043B, //17 0x0460, //18 0x0486, //19 0x04AC, //20 0x04D2, //21 0x04F9, //22 0x0521, //23 0x0549, //24 0x0571, //25 0x0599, //26 0x05C2, //27 0x05EB, //28 0x0615, //29 0x063E, //30 0x0668, //31 0x0692, //32 0x06BC, //33 0x06E6, //34 0x0710, //35 0x073A, //36 0x0763, //37 0x078D, //38 0x07B7, //39 0x07E0, //40 0x0809, //41 0x0832, //42 0x085B, //43 0x0884, //44 0x08AC, //45 0x08D3, //46 0x08FB, //47 0x0922, //48 0x0948, //49 0x096F, //50 0x0994, //51 0x09BA, //52 0x09DE, //53 0x0A02, //54 0x0A26, //55 0x0A49, //56 0x0A6C, //57 0x0A8E, //58 0x0AAF, //59 0x0AD0, //60 0x0AF1, //61 0x0B10, //62 0x0B2F, //63 0x0B4E, //64 0x0B6C, //65 0x0B89, //66 0x0BA6, //67 0x0BC2, //68 0x0BDD, //69 0x0BF8, //70 0x0C13, //71 0x0C2D, //72 0x0C46, //73 0x0C5E, //74 0x0C76, //75 0x0C8E, //76 0x0CA5, //77 0x0CBB, //78 0x0CD1, //79 0x0CE6, //80 0x0CFB, //81 0x0D0F, //82 0x0D23, //83 0x0D36, //84 0x0D49, //85 0x0D5B, //86 0x0D6D, //87 0x0D7F, //88 0x0D8F, //89 0x0DA0, //90 0x0DB0, //91 0x0DBF, //92 0x0DCF, //93 0x0DDD, //94 0x0DEC, //95 0x0DFA, //96 0x0E07, //97 0x0E15, //98 0x0E22, //99 0x0E2E, //100 0x0E3A, //101 0x0E46, //102 0x0E52, //103 0x0E5D, //104 0x0E68, //105 0x0E72, //1060x0182, //107 0x018C, //108 0x0197, //109 0x01A1, //110 0x01AC, //111 0x01B7, //112 0x01C2, //113 0x01CE, //114 0x01D9, //115 0x01E5, //116 0x01F1, //117 0x01FD, //118 0x020A, //119 0x0217, //120 0x0223, //121 0x0230, //122 0x023E, //123 0x024B, //124 0x0259, //125 0x0267, //126 0x0275, //127 0x0283, //128 0x0292, //129 0x02A0, //130 0x02AF, //131 0x02BE, //132 0x02CD, //133 0x02DD, //134 0x02EC, //135 0x02FC, //136 0x030C, //137 0x031D, //138 0x032D, //139 0x033E, //140 0x034E, //141 0x035F, //142 0x0370, //143 0x0382, //144 0x0393, //145 0x03A5, //146 0x03B7, //147 0x03C9, //148 0x03DB, //149 0x03ED, //150 0x03FF, //151 0x0412, //152 0x0425, //153 0x0437, //154 0x044A, //155 0x045E, //156 0x0471, //157 0x0484, //158 0x0498, //159 0x04AB, //160 0x04BF, //161 0x04D3, //162 0x04E7, //163 0x04FB, //164 0x050F, //165 0x0523, //166 0x0538, //167 0x054C, //168 0x0560, //169 0x0575, //170 0x058A, //171 0x059E, //172 0x05B3, //173 0x05C8, //174 0x05DD, //175 0x05F1, //176 0x0606, //177 0x061B, //178 0x0630, //179 0x0645, //180 0x065A, //181 0x066F, //182 0x0684, //183 0x0699, //184 0x06AE, //185 0x06C3, //186 0x06D8, //187 0x06ED, //188 0x0702, //189 0x0717, //190 0x072C, //191 0x0741, //192 0x0756, //193 0x076A, //194 0x077F, //195 0x0794, //196 0x07A9, //197 0x07BD, //198 0x07D2, //199 0x07E6, //200 0x07FB, //201 0x080F, //202 0x0823, //203 0x0837, //204 0x084B, //205 0x085F, //206 0x0873, //207 0x0887, //208 0x089B, //209 0x08AE, //210 0x08C2, //211 0x08D5, //212 0x08E8, //213 0x08FC, //214 0x090F, //215 0x0922, //216 0x0934, //217 0x0947, //218 0x095A, //219 0x096C, //220 0x097E, //221 0x0991, //222 0x09A3, //223 0x09B5, //224 0x09C7, //225 0x09D8, //226 0x09EA, //227 0x09FB, //228 0x0A0C, //229 0x0A1D, //230 0x0A2E, //231 0x0A3F, //232 0x0A50, //233 0x0A60, //234 0x0A71, //235 0x0A81, //236 0x0A91, //237 0x0AA1, //238 0x0AB1, //239 0x0AC0, //240 0x0AD0, //241 0x0AE0, //242 0x0AEF, //243 0x0AFE, //244 0x0B0D, //245 0x0B1C, //246 0x0B2A, //247 0x0B38, //248 0x0B47, //249 0x0B55, //250 0x0B63, //251 0x0B71, //252 0x0B7F, //253 0x0B8D, //254 0x0B9A, //255 0x0BA7, //256 0x0BB4, //257 0x0BC1, //258 0x0BCE, //259 0x0BDB, //260 0x0BE8, //261};TemTypedef Tem;// //函数名称:CT0FloatHz //输入:无 //输出:无 //功能:CT0高阻态CT1低电平 // void CT0FloatHz(void) {CT0Clo();CT1Open();P3MODH 0xC3;P3MODH | 0x18; // P36高阻态 P35 输出低电平 }// //函数名称:CT1FloatHz //输入:无 //输出:无 //功能:分压切换为680R51k // void CT1FloatHz(void) {CT1Clo();CT0Open();P3MODH 0xC3;P3MODH | 0x24; // P35高阻态 P36 输出低电平 }// //函数名称:F_TemperADCWork //输入:无 //输出:无 //功能:获取温度数据 // void F_TemperADCWork(void) {//u8 TemSumCount4;u16 i0;u16 AdcSum0,AdcAvr0;CT1FloatHz();nopDelay(2500);AdcAvr getChannelVal(AD11);CT0Clo();Tem.InTmp 0;for(i0;i107;i){ if(AdcAvrTemperTable[i]) Tem.InTmp;else break;}if(Tem.InTmp107) //Tem.InTmp50;{CT0FloatHz();AdcSum0;nopDelay(2500);AdcAvr getChannelVal(AD11);CT1Clo();Tem.InTmp 107;for(i107;i261;i){ if(AdcAvrTemperTable[i]) Tem.InTmp;else break;}if(Tem.InTmp260) Tem.InTmp260;} //TemperatureCompensation(); //温度补偿//Tem.InFahTem.InTmp*1.832; //华氏度转换}①根据阻值表和分压计算出ADC_AT引脚的电压再根据参考电阻逆推出ADC数值②测量温度0 ~ 260℃阻值跨度较大可通过修改分压电阻的从而提高温度的精度。CT0低电平CT1高阻态测量0 ~ 106℃范围内的温度如超出范围控制CT0高阻态CT1低电平测量107~261℃的温度切换引脚注意延时给C1电容充电③非温度测量周期CT0、CT1设置高阻态进行低功耗处理三、AT104Tem.h的实现 #ifndef __AT104TEM_H__ #define __AT104TEM_H__#include board.hsbit CT0IO P3^6; sbit CT1IO P3^5;#define CT0Open() (CT0IO 0) #define CT0Clo() (CT0IO 1) #define CT1Open() (CT1IO 0) #define CT1Clo() (CT1IO 1)typedef struct {//u16 AdcSum;//u16 AdcAvr;//s16 InTmp;//s16 InFah;u16 InTmp; }xdata TemTypedef;extern TemTypedef Tem; extern void F_TemperADCWork(void);#endif

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