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1、51+HD7279+ADS1110+PT100的测温系统(程序) 51+HD7279+ADS1110+PT100的测温系统,通过与标准温度计对比拟合,精度能达到0.5度#include #include typedef unsigned int uint;typedef unsigned char uchar;typedef unsigned short WORD;float code RTD_TAB_PT100151 = / 表格是以1度为一步，即-20, -19, -18.88.22, 88.62 ,88.62, 89.40, 89.80, 90.19, 90.59, 90.98, 91.
2、37, 91.77, / -30 -2192.16, 92.55, 92.95, 93.34, 93.73, 94.12, 94.52, 94.91, 95.30, 95.69, / -20 -1196.09, 96.48, 96.87, 97.26, 97.65, 98.04, 98.44, 98.83, 99.22, 99.61, / -10 -1100.00,100.39,100.78,101.17,101.56,101.95,102.34,102.73,103.13,103.51, / 0 9103.90,104.29,104.68,105.07,105.46,105.85,106.2
3、4,106.63,107.02,107.49, / 10 19107.79,108.18,108.57,108.96,109.35,109.73,110.12,110.51,110.90,111.28, / 20 29111.67,112.06,112.45,112.83,113.22,113.61,113.99,114.38,114.77,115.15, / 30 39115.54,115.93,116.31,116.70,117.08,117.47,117.86,118.24,118.62,119.01, / 40 49119.40,119.78,120.16,120.55,120.93,
4、121.32,121.70,122.09,122.47,122.86, / 50 59123.24,123.62,124.01,124.39,124.77,125.16,125.54,125.92,126.31,126.69, / 60 69127.07,127.45,127.84,128.22,128.60,128.98,129.37,129.75,130.13,130.51, / 70 79130.89,131.27,131.66,132.04,132.42,132.80,133.18,133.56,133.94,134.32, / 80 89134.70,135.08,135.46,13
5、5.84,136.22,136.60,136.98,137.36,137.74,138.12, / 90 99138.50,138.88,139.26,139.64,140.02,140.39,140.77,141.15,141.53,141.91, / 100 109142.29,142.66,143.04,143.42,143.80,144.17,144.55,144.93,145.31,145.68, / 110 119146.06 / 120;/float code RTD_TAB_PT10041 = / 表格是以5度为一步，即-50, -45, - 40./ 80.31, 82.29
6、, 84.27 ,86.25, 88.22, 90.19, 92.16, 94.12, 96.09, 98.04, / -50 -5/ 100.00,101.95,103.90,105.85,107.79,109.73,111.67,113.61,115.54,117.47, / 0 45/ 119.40,121.32,123.24,125.16,127.08,128.99,130.90,132.80,134.71,136.61, / 50 95/ 138.51,140.40,142.29,144.18,146.07,147.95,149.83,151.71,153.58,155.46, /
7、100 145/ 157.33 / 50/;sbit beep = P35;/-ADS1110地址、配置字-/#define ADS1110_WR_ADDRESS 0x92 / 1001 001 0 写#define ADS1110_RD_ADDRESS 0x93 / 1001 001 1 读#define ADS1110_CONFIG_REG 0x8C / 连续转换模式，16bit精度，PGA=1sbit ADS1110_SDA = P15; / 模拟I2C数据传输位51+HD7279+ADS1110+PT100的测温系统,通过与标准温度计对比拟合,精度能达到0.5度sbit ADS1110
8、_CLK = P16; / 模拟I2C时钟控制位/uchar TMR_H, TMR_L; / AD转换高8位，和低8位uint AD_Result25;unsigned long nTmp;/* HD7279 函数定义 *void long_delay(void); / 长延时void short_delay(void); / 短暂延时void delay10ms(unsigned char); / 延时10MSvoid write7279(uchar, uchar); / 写入到HD7279uchar read7279(uchar); / 从HD7279读出void send_byte(uc
9、har); / 发送一个字节uchar receive_byte(void); / 接收一个字节sbit cs =P07; / cs at P1.4sbit clk=P06; / clk 连接于 P1.5sbit dat=P05; / dat 连接于 P1.2sbit key=P04; / key 连接于 P1.3sbit Hight_LED = P46;sbit Low_LED = P41;/* HD7279A 指令 *#define CMD_RESET 0xa4#define CMD_TEST 0xbf#define DECODE0 0x80#define DECODE1 0xc8#def
10、ine CMD_READ 0x15#define UNDECODE 0x90#define RTL_CYCLE 0xa3#define RTR_CYCLE 0xa2#define RTL_UNCYL 0xa1#define RTR_UNCYL 0xa0#define ACTCTL 0x98#define SEGON 0xe0#define SEGOFF 0xc0#define BLINKCTL 0x88/- AT24C04 变量声明 -sbit _24C02_SCL = P26; /AT24C04的时钟sbit _24C02_SDA = P25; /AT24C04的数据uchar BUF16;
11、 /数据缓存区51+HD7279+ADS1110+PT100的测温系统,通过与标准温度计对比拟合,精度能达到0.5度uint code nDefaultDATA =/ nLowTMP nHightTMP nTMPAdj480, 650, 0 / 默认设置;uint nSettingDATA3 = 0, 0, 0; / 当前设置void Delay5us();void AT24C04_Start();void AT24C04_Stop();void AT24C04_SendACK(bit ack);bit AT24C04_RecvACK();void AT24C04_SendByte(uchar
12、 dat);uchar AT24C04_RecvByte();void AT24C04_ReadPage();void AT24C04_WritePage();/* 红外接收 *sbit IRIN = P33; /红外接收器数据线uchar IRCOM7;uchar nFlag = 0;uchar nMode = 1; / nMode 0 1 2 3/ mean NULL nLowTMP nHightTMP nTMPAdjuint nLowTMP = 480; / 最低温度设定uint nHightTMP = 650; / 最高温度设定char nTMPAdj = 0; / 温度修正void
13、send_ad_result(uchar temp);/*/HD 7279 函数/*/void write7279(uchar cmd, uchar dta)cs = 0;send_byte (cmd);send_byte (dta);cs = 1;51+HD7279+ADS1110+PT100的测温系统,通过与标准温度计对比拟合,精度能达到0.5度uchar read7279(uchar command)cs = 0;send_byte(command);return(receive_byte();cs = 1;void send_byte( uchar out_byte)uchar i;cs=0;long_delay();for (i=0;i8;i+)if (out_byte&0x80)dat=1;elsedat=0;clk=1;short_delay();clk=0;short_delay();out_byte=out_byte*2;dat=0;
