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1、DS18B20 测温模块：#define uchar unsigned char #define uint unsigned int#include #include sbit DQ=P10; bdata uchar dat;sbit dat0=dat0;sbit dat7=dat7;/以下为四个传感器的序列号/*uchar code id88= 0x28,0x30,0xc5,0xb8,0x00,0x00,0x00,0x8e,0x28,0x31,0xc5,0xb8,0x00,0x00,0x00,0xb9,0x28,0x32,0xc5,0xb8,0x00,0x00,0x00,0xe0,0x28,
2、0x33,0xc5,0xb8,0x00,0x00,0x00,0xd7,0x28,0x34,0xc5,0xb8,0x00,0x00,0x00,0x52,0x28,0x35,0xc5,0xb8,0x00,0x00,0x00,0x65,0x28,0x36,0xc5,0xb8,0x00,0x00,0x00,0x3c,0x28,0x37,0xc5,0xb8,0x00,0x00,0x00,0x0b;*/void delay15(uchar n) /约 15us 延时 do _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_no
3、p_();_nop_();_nop_();_nop_();_nop_();_nop_();n-;while(n);void late() /延时 700ms uchar i;for(i=0;i0;i-) DQ=0;delay15(1);DQ=dat0;dat=dat1;delay15(1);DQ=1;uchar rdbyte(void) /从总线上读取一个字节 uchar i;dat=0;for(i=8;i0;i-) dat=dat1;DQ=0;_nop_();DQ=1;delay15(1);dat7=DQ;delay15(4);/新增在位与位之间加入 50US 的延时return(dat);
4、 void convert(void) bit err; err=reset(); /复位 DS18B20wrbyte(0xcc); /发 READ ROM 命令wrbyte(0x44); /发 READ ROM 命令 int readt(void)uchar h,l; /复位 DS18B20reset(); /复位 DS18B20wrbyte(0xcc); /发 READ ROM 命令wrbyte(0xbe); /发 READ ROM 命令l=rdbyte(); /读取温度低字节、高字节h=rdbyte();return(h*256+l); /保存 16 位温度值LCD12864I/O 液晶
5、显示模块：#include #include #include #define uchar unsigned char#define uint unsigned intsbit LCD_RST=P37;sbit DI=P34;sbit RW=P35;sbit CS=P33;sbit EN=P36;sbit RDY=P07;sfr LCD=0x80;#define LCD_DISPON 0x3f / 打开 LCM 显示命令 #define LCD_STARTROW 0xc0 / 设置起始行命令，用 LCD_STARTROW+x 设置起始行 (x15) cy+; / 指向下一显示行uchar co
6、de HZTAB900 =0x00,0x00,0x00,0xF8,0x48,0x48,0x4C,0x4B,0x4A,0x48,0x48,0x48,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,/*自,0*/0x20,0x24,0x24,0xE4,0x24,0x24,0x24,0x20,0x10,0x10,0xFF,0x10,0x10,0xF0,0x00,0x00,0x08,0x1C,0x0B,0x08,0x0C,0x05,0x4E,0x24,
7、0x10,0x0C,0x03,0x20,0x40,0x3F,0x00,0x00,/*动,1*/0x10,0x60,0x01,0xC6,0x00,0x80,0x84,0x44,0x5F,0x24,0x64,0x94,0x84,0xE4,0x00,0x00,0x04,0xFC,0x03,0x00,0x42,0x42,0x32,0x0E,0x02,0x02,0x3E,0x42,0x42,0x42,0x78,0x00,/*浇 ,2*/0x08,0x31,0x82,0x78,0x02,0x3A,0xEA,0xAF,0xBA,0xC2,0xBA,0xAF,0xAA,0xBA,0x02,0x00,0x04,
8、0x04,0x7F,0x00,0x02,0x01,0x7F,0x2A,0x2A,0x2A,0x3F,0x2A,0x2A,0x2A,0x20,0x00,/*灌,3*/0x00,0x00,0x02,0x22,0xB2,0xAA,0x66,0x62,0x22,0x11,0x4D,0x81,0x01,0x01,0x00,0x00,0x00,0x40,0x21,0x13,0x09,0x05,0x41,0x81,0x7F,0x01,0x05,0x09,0x13,0x62,0x00,0x00,/*系,4*/0x20,0x30,0x2C,0xA3,0x60,0x10,0x84,0xC4,0xA4,0x9D,0
9、x86,0x84,0xA4,0xC4,0x84,0x00,0x20,0x22,0x23,0x12,0x12,0x92,0x40,0x30,0x0F,0x00,0x00,0x3F,0x40,0x41,0x70,0x00,/*统,5*/0x04,0x04,0x04,0x04,0x74,0x54,0x55,0x56,0x54,0x54,0x74,0x04,0x04,0x04,0x04,0x00,0x00,0xFF,0x01,0x01,0x3D,0x25,0x25,0x25,0x25,0x25,0x3D,0x41,0x81,0x7F,0x00,0x00,/*高 ,6*/0x10,0x21,0x86,0
10、x70,0x00,0x7E,0x4A,0x4A,0x4A,0x4A,0x4A,0x7E,0x00,0x00,0x00,0x00,0x02,0xFE,0x01,0x40,0x7F,0x41,0x41,0x7F,0x41,0x41,0x7F,0x41,0x41,0x7F,0x40,0x00,/*温 ,7*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0
11、0,0x00,0x00,/*：,8*/0x20,0x18,0x08,0x09,0xEE,0xAA,0xA8,0xAF,0xA8,0xA8,0xEC,0x0B,0x2A,0x18,0x08,0x00,0x00,0x00,0x3E,0x02,0x02,0x02,0x02,0xFF,0x02,0x02,0x12,0x22,0x1E,0x00,0x00,0x00,/*常,9*/0x10,0x21,0x86,0x70,0x00,0x7E,0x4A,0x4A,0x4A,0x4A,0x4A,0x7E,0x00,0x00,0x00,0x00,0x02,0xFE,0x01,0x40,0x7F,0x41,0x41
12、,0x7F,0x41,0x41,0x7F,0x41,0x41,0x7F,0x40,0x00,/*温 ,10*/0x40,0x20,0xF0,0x0C,0x07,0x02,0xFC,0x44,0x44,0x42,0xFE,0x43,0x43,0x42,0x40,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x7F,0x20,0x10,0x28,0x43,0x0C,0x10,0x20,0x78,0x00,/*低,11*/0x10,0x21,0x86,0x70,0x00,0x7E,0x4A,0x4A,0x4A,0x4A,0x4A,0x7E,0x00,0x00,0x00,0x
13、00,0x02,0xFE,0x01,0x40,0x7F,0x41,0x41,0x7F,0x41,0x41,0x7F,0x41,0x41,0x7F,0x40,0x00,/*温 ,12*/0x00,0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xF8,0x00,0x00,0x00,0x00,0x00,0x0F,0x04,0x04,0x04,0x04,0x3F,0x44,0x44,0x44,0x44,0x4F,0x40,0x70,0x00,/*电,13*/0x82,0xE2,0x5E,0x42,0xC2,0x0A,0x08,0xC9,
14、0x3E,0x0A,0x08,0x8C,0x7A,0x09,0x08,0x00,0x00,0x7F,0x10,0x10,0x1F,0x32,0x2B,0x26,0x2A,0x71,0x32,0x2B,0x26,0x2A,0x71,0x00,/*磁,14*/0x00,0x00,0xF8,0x81,0x46,0xE0,0x58,0x42,0xFA,0x2A,0x32,0xA2,0x02,0xFE,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x3F,0x04,0x04,0x03,0x0E,0x11,0x3C,0x80,0xFF,0x00,0x00,/*阀 ,15*/0x0
15、8,0x30,0x00,0xFF,0x20,0x20,0x20,0x20,0xFF,0x20,0xE1,0x26,0x2C,0x20,0x20,0x00,0x04,0x02,0x01,0xFF,0x40,0x20,0x18,0x07,0x00,0x00,0x03,0x0C,0x30,0x60,0x20,0x00,/*状,16*/0x00,0x04,0x04,0x04,0x84,0x44,0x34,0x4F,0x94,0x24,0x44,0x84,0x84,0x04,0x00,0x00,0x00,0x60,0x39,0x01,0x00,0x3C,0x40,0x42,0x4C,0x40,0x40,0x70,0x04,0x09,0x31,0x00,/*态,17*/0x10,0x60,0x01,0xC6,0x00,0x80,0x84,0x44,0x5F,0x24,0x64,0x94,0x84,0xE4,0x00,0x00,0x04,0xFC,0x03,0x00,0x42,0x42,0x32,0x0E,0x02,0x02,0x3E,0x42,0x42,0x42,0x78,0x00,/*浇 ,18*/0x08,0x31,0x82,0x78,0x02,0x3A,0xEA,0xAF,0xBA,0xC2,0xBA,0xAF,0xAA,0xBA,0x02,0x00,0x04,0x04,0x
