高精度数字电压表

1、 高精度数字电压表 本文采用液晶12864与16位的ADC TLC1864制作了高精度的数字电压表，量程为050V，精度为1mV。并有着华丽的工作界面，下面来看一下吧！/12864的驱动程序/*12864.h*/#include <reg52.h>/Define the register command code #define Disp_On 0x3f#define Disp_Off 0x3e#define Col_Add 0x40#define Page_Add 0xb8#define Start_Line 0xc0#define Lcd_Bus P0 /MCU P1<-

2、> LCMsbit cs1=P24; /Master chip enablesbit cs2=P23; /Slave chip enablesbit Enable=P20; /6800 mode Enable singlesbit Di=P22; /Data or Instrument Selectsbit RW=P21; /Write or Readsbit Lcd_Rst=P25; /Lcm resetunsigned char k;/*-取模设定为“从左到右从上到下”，“纵向8点下高位”-*/char code hying=/"欢", 0x04,0x34,0xC

3、4,0x04,0xC4,0x3C,0x20,0x10,0x0F,0xE8,0x08,0x08,0x28,0x18,0x00,0x00, 0x10,0x08,0x06,0x01,0x82,0x8C,0x40,0x30,0x0C,0x03,0x0C,0x10,0x60,0xC0,0x40,0x00,/"迎", 0x40,0x42,0x44,0xC8,0x00,0xFC,0x04,0x02,0x82,0xFC,0x04,0x04,0x04,0xFE,0x04,0x00, 0x00,0x40,0x20,0x1F,0x20,0x47,0x42,0x41,0x40,0x7F,0x40,

4、0x42,0x44,0x63,0x20,0x00,/"使", 0x40,0x20,0xF8,0x07,0x04,0xF4,0x14,0x14,0x14,0xFF,0x14,0x14,0x14,0xF6,0x04,0x00, 0x00,0x00,0xFF,0x00,0x80,0x43,0x45,0x29,0x19,0x17,0x21,0x21,0x41,0xC3,0x40,0x00,/"用", 0x00,0x00,0xFE,0x22,0x22,0x22,0x22,0xFE,0x22,0x22,0x22,0x22,0xFF,0x02,0x00,0x00, 0

5、x80,0x60,0x1F,0x02,0x02,0x02,0x02,0x7F,0x02,0x02,0x42,0x82,0x7F,0x00,0x00,0x00,/"数", 0x10,0x92,0x54,0x30,0xFF,0x50,0x94,0x32,0xD8,0x17,0x10,0x10,0xF0,0x18,0x10,0x00, 0x02,0x82,0x4E,0x33,0x22,0x52,0x8E,0x40,0x23,0x14,0x08,0x16,0x61,0xC0,0x40,0x00,/"字", 0x00,0x10,0x0C,0x24,0x24,0x2

6、4,0x25,0x26,0xA4,0x64,0x24,0x04,0x14,0x0C,0x00,0x00, 0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x02,0x03,0x02,0x00 ;char code dianya=/"电", 0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xFC,0x08,0x00,0x00,0x00, 0x00,0x07,0x02,0x02,0x02,0x02,0x3F,0x42,0x42,0x42,0x

7、42,0x47,0x40,0x70,0x00,0x00,/"压", 0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFE,0x82,0x82,0x82,0xC3,0x82,0x00,0x00, 0x40,0x30,0x0F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x42,0x44,0x4C,0x60,0x40,0x00,/"表", 0x80,0x84,0x94,0x94,0x94,0x94,0x94,0xFF,0x94,0x94,0x94,0x94,0x96,0xC4,0x80,0x00

8、, 0x10,0x10,0x08,0x08,0x04,0xFE,0x41,0x22,0x04,0x08,0x14,0x12,0x20,0x60,0x20,0x00 ;char code meili=/"美", 0x80,0x88,0xA8,0xA8,0xA9,0xAA,0xAE,0xF8,0xAC,0xAA,0xAB,0xA8,0xAC,0x88,0x80,0x00, 0x80,0x84,0x84,0x44,0x44,0x24,0x14,0x0F,0x14,0x24,0x24,0x44,0x46,0xC4,0x40,0x00,/"丽", 0x02,0x0

9、2,0xF2,0x12,0x12,0x12,0xF2,0x02,0xF2,0x12,0x12,0x12,0xFA,0x13,0x02,0x00, 0x00,0x00,0xFF,0x01,0x42,0x80,0x7F,0x00,0xFF,0x01,0x42,0x80,0x7F,0x00,0x00,0x00,/"洛", 0x10,0x22,0x64,0x0C,0x80,0x10,0x08,0x8F,0x54,0x24,0x54,0x8C,0x04,0x00,0x00,0x00, 0x04,0x04,0xFE,0x01,0x04,0x02,0xFF,0x42,0x42,0x42,

10、0x42,0x42,0xFF,0x03,0x01,0x00,/"阳", 0x00,0xFE,0x02,0x22,0xDA,0x06,0x00,0xFE,0x82,0x82,0x82,0x82,0x82,0xFF,0x02,0x00, 0x00,0xFF,0x08,0x10,0x08,0x07,0x00,0xFF,0x40,0x40,0x40,0x40,0x40,0xFF,0x00,0x00,/"，", 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

11、00, 0x00,0x00,0x00,0x46,0x2F,0x1F,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/"魅", 0x00,0xFC,0x26,0xFD,0x24,0xFE,0x04,0x48,0x48,0x48,0xFF,0x48,0x4C,0x68,0x40,0x00, 0x40,0x21,0x19,0x07,0x3D,0x41,0x50,0x44,0x42,0x41,0x5F,0x41,0x42,0x46,0x70,0x00,/"力", 0x00,0x10,0x10,0x10,0x1

12、0,0x10,0xFF,0x10,0x10,0x10,0x10,0x10,0xF8,0x10,0x00,0x00, 0x00,0x80,0x80,0x80,0x60,0x18,0x07,0x00,0x20,0x40,0x80,0x40,0x3F,0x00,0x00,0x00, /"洛", 0x10,0x22,0x64,0x0C,0x80,0x10,0x08,0x8F,0x54,0x24,0x54,0x8C,0x04,0x00,0x00,0x00, 0x04,0x04,0xFE,0x01,0x04,0x02,0xFF,0x42,0x42,0x42,0x42,0x42,0xFF

13、,0x03,0x01,0x00,/"阳", 0x00,0xFE,0x02,0x22,0xDA,0x06,0x00,0xFE,0x82,0x82,0x82,0x82,0x82,0xFF,0x02,0x00, 0x00,0xFF,0x08,0x10,0x08,0x07,0x00,0xFF,0x40,0x40,0x40,0x40,0x40,0xFF,0x00,0x00,/"，", 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,

14、0x00,0x46,0x2F,0x1F,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/"欢", 0x04,0x34,0xC4,0x04,0xC4,0x3C,0x20,0x10,0x0F,0xE8,0x08,0x08,0x28,0x18,0x00,0x00, 0x10,0x08,0x06,0x01,0x82,0x8C,0x40,0x30,0x0C,0x03,0x0C,0x10,0x60,0xC0,0x40,0x00,/"迎", 0x40,0x42,0x44,0xC8,0x00,0xFC,0x04,0x

15、02,0x82,0xFC,0x04,0x04,0x04,0xFE,0x04,0x00, 0x00,0x40,0x20,0x1F,0x20,0x47,0x42,0x41,0x40,0x7F,0x40,0x42,0x44,0x63,0x20,0x00,/"您", 0x40,0x20,0x10,0xFC,0x23,0x10,0x8C,0x67,0x04,0xF4,0x04,0x44,0x94,0x8C,0x00,0x00, 0x40,0x30,0x00,0x77,0x80,0x81,0x88,0x92,0xB4,0x83,0x80,0xE0,0x00,0x11,0x60,0x00

16、,/"！", 0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0xFE,0xFE,0x7C,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x3B,0x3B,0x10,0x00,0x00,0x00,0x00,0x00,0x00;char code lcheng=/"量", 0x10,0x10,0xDE,0x52,0x52,0xD6,0x5A,0x52,0x52,0xDE,0x10,0x10, 0x10,0x10,0x17,0x15,0x15,0x1

17、F,0x15,0x15,0x15,0x17,0x10,0x10,/"程", 0x14,0xD4,0xFC,0x92,0x12,0x40,0x5E,0x52,0xD2,0x52,0x5E,0x40, 0x03,0x00,0x1F,0x00,0x11,0x10,0x12,0x12,0x1F,0x12,0x1A,0x10, ;char code jingdu=/"精", 0x28,0xB0,0xFE,0x28,0x20,0x44,0xD4,0x54,0x7E,0x54,0xD4,0x44, 0x03,0x00,0x1F,0x01,0x00,0x00,0x1F,

18、0x05,0x05,0x15,0x1F,0x00,/"度", 0x00,0x00,0xFC,0x14,0x14,0x7C,0x56,0x54,0x7C,0x14,0x14,0x00, 0x18,0x04,0x13,0x10,0x09,0x0B,0x05,0x0B,0x09,0x10,0x10,0x10;char code dqian= /"当", 0x00,0x40,0x42,0x44,0x4C,0x40,0x40,0x7F,0x40,0x40,0x48,0x44,0xE6,0x40,0x00,0x00, 0x00,0x40,0x44,0x44,0x44

19、,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,/"前", 0x08,0x08,0xE8,0x29,0x2A,0x2E,0xE8,0x08,0x08,0xCC,0x0A,0x0B,0xE8,0x0C,0x08,0x00, 0x00,0x00,0xFF,0x09,0x49,0x89,0x7F,0x00,0x00,0x0F,0x40,0x80,0x7F,0x00,0x00,0x00 ;char code kge= 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0

20、x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ;/*-数字的ASCII编码表-*/ char code ASC= 0xF8,0xFC,0x04,0xC4,0x24,0xFC,0xF8,0x00,0x07,0x0F,0x09,0x08,0x08,0x0F,0x07,0x00, / -0-0x00,0x10,0x18,0xFC,0xFC,0x00,0x00,0x00,0x00,0x08,0x08,0x0F,0x0F,0x08,

21、0x08,0x00, / -1-0x08,0x0C,0x84,0xC4,0x64,0x3C,0x18,0x00,0x0E,0x0F,0x09,0x08,0x08,0x0C,0x0C,0x00, / -2-0x08,0x0C,0x44,0x44,0x44,0xFC,0xB8,0x00,0x04,0x0C,0x08,0x08,0x08,0x0F,0x07,0x00, / -3-0xC0,0xE0,0xB0,0x98,0xFC,0xFC,0x80,0x00,0x00,0x00,0x00,0x08,0x0F,0x0F,0x08,0x00, / -4-0x7C,0x7C,0x44,0x44,0xC4,0

22、xC4,0x84,0x00,0x04,0x0C,0x08,0x08,0x08,0x0F,0x07,0x00, / -5-0xF0,0xF8,0x4C,0x44,0x44,0xC0,0x80,0x00,0x07,0x0F,0x08,0x08,0x08,0x0F,0x07,0x00, / -6-0x0C,0x0C,0x04,0x84,0xC4,0x7C,0x3C,0x00,0x00,0x00,0x0F,0x0F,0x00,0x00,0x00,0x00, / -7-0xB8,0xFC,0x44,0x44,0x44,0xFC,0xB8,0x00,0x07,0x0F,0x08,0x08,0x08,0x0

23、F,0x07,0x00, / -8-0x38,0x7C,0x44,0x44,0x44,0xFC,0xF8,0x00,0x00,0x08,0x08,0x08,0x0C,0x07,0x03,0x00, / -9-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00, / -.-0xFC,0xFC,0x00,0x00,0x00,0xFC,0xFC,0x00,0x01,0x03,0x06,0x0C,0x06,0x03,0x01,0x00, / -V-0x00,0x00,0x00,0x30,0x30

24、,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x00,0x00,0x00, / -:-0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, / -0xE0,0xE0,0x60,0xC0,0x60,0xE0,0xC0,0x00,0x0F,0x0F,0x00,0x0F,0x00,0x0F,0x0F,0x00 / -m-; /*-延时子程序-*/void delay(unsigned int t)unsigned int i,j;for(i=0;i<

25、t;i+)for(j=0;j<10;j+);/*-写命令到LCD-*/void write_com(unsigned char cmdcode)Di=0;RW=0;Lcd_Bus=cmdcode;delay(0);Enable=1;delay(0);Enable=0;/*-写数据到LCD-*/void write_data(unsigned char Dispdata)Di=1;RW=0;Lcd_Bus=Dispdata;delay(0);Enable=1;delay(0);Enable=0;/*-清除内存-*/void Clr_Scr()unsigned char j,k;for(k=

26、0;k<8;k+)write_com(Page_Add+k);for(j=0;j<128;j+)write_data(0x00);void hz_disp16(unsigned char pag,unsigned char col, unsigned char code *hzk)unsigned char j=0,i=0;for(j=0;j<2;j+)write_com(Page_Add+pag+j);write_com(Col_Add+col);for(i=0;i<16;i+) write_data(hzk16*j+i);/*-用于汉字的滚动显示-*/void hz

27、_disp16n(unsigned char pag,unsigned char col, unsigned char code *hzk)unsigned char j=0,i=0,n;for(j=0;j<2;j+)write_com(Page_Add+pag+j);write_com(Col_Add+col);for(i=0;i<16;i+)n=16*j+i;if(i>=16-k%16)n=n+16; write_data(hzkn); /*-显示12*16的汉字-*/ void hz_disp12(unsigned char pag,unsigned char col,

28、 unsigned char code *hzk)unsigned char j=0,i=0;for(j=0;j<2;j+)write_com(Page_Add+pag+j);write_com(Col_Add+col);for(i=0;i<12;i+) write_data(hzk12*j+i); /*-指定位置显示字符8*16-*/void char_disp(unsigned char pag,unsigned char col, unsigned char code *chr) unsigned char j=0,i=0; for(j=0;j<2;j+) write_

29、com(Page_Add+pag+j); write_com(Col_Add+col); for(i=0;i<8;i+) write_data(chr8*j+i);/*-初始化LCD屏-*/void init_lcd()delay(100);write_com(Disp_Off);Clr_Scr();write_com(Page_Add+0);write_com(Start_Line+0);write_com(Col_Add+0);write_com(Disp_On);/LTC1864的驱动程序及主程序/*LTC1864.h*/#include<REG52.h>#includ

30、e"12864.h"sbit conv=P35;sbit sck=P36;sbit sdo=P37;unsigned int dat;/*-LTC1864的驱动函数-*/void convert() int i=0; dat=0; conv=0; conv=1; for(i=0;i<5;i+); conv=0; for(i=0;i<16;i+) sck=1; sck=0; if(sdo) dat|=0x8000>>i; sck=1; void empty(char p) char i; for(i=0;i<8;i+) if(i<4) cs

31、1=1;cs2=0; hz_disp16(2*p,16*i,kge); else cs1=0;cs2=1; hz_disp16(2*p,16*(i-4),kge); void start() cs1=1;cs2=0; hz_disp16(1,32,hying); hz_disp16(1,48,hying+32); hz_disp16(4,16,hying+32*4); hz_disp16(4,32,hying+32*5); hz_disp16(4,48,dianya); cs1=0;cs2=1; hz_disp16(1,0,hying+32*2); hz_disp16(1,16,hying+3

32、2*3); hz_disp16(4,0,dianya+32); hz_disp16(4,16,dianya+32*2); hz_disp16(4,32,meili+32*13);/*-实现汉字的滚动显示-*/void gundong() char i;cs1=1;cs2=0;for(i=0;i<4;i+)if(k>=16)&&(k<32) hz_disp16n(0,16*i,meili+32*(i+1)+k%16);else if(k>=32)&&(k<48) hz_disp16n(0,16*i,meili+32*(i+2)+k%1

33、6);else if(k>=48)&&(k<64) hz_disp16n(0,16*i,meili+32*(i+3)+k%16);else if(k>=64)&&(k<80) hz_disp16n(0,16*i,meili+32*(i+4)+k%16);else if(k>=80) hz_disp16n(0,16*i,meili+32*(i+5)+k%16);else hz_disp16n(0,16*i,meili+32*i+k%16);cs1=0;cs2=1; for(i=0;i<4;i+)if(k>=16)&

34、&(k<32) hz_disp16n(0,16*i,meili+32*(i+1+4)+k%16);else if(k>=32)&&(k<48) hz_disp16n(0,16*i,meili+32*(i+2+4)+k%16);else if(k>=48)&&(k<64) hz_disp16n(0,16*i,meili+32*(i+3+4)+k%16);else if(k>=64)&&(k<80) hz_disp16n(0,16*i,meili+32*(i+4+4)+k%16);else if(k>=80) hz_disp16n(0,16*i,m