51单片机程序(计时器)

计时器1、LCD.c#include<reg51.h>#include<LCD.h>unsignedcharcodenumber_X[]={//宽x高=8x16,纵向字节倒序0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,//00x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,//10x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,//20x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,//30x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,//40x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,//50x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,//60x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,//70x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,//80x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,//90x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//.0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,//-0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//nop0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,//：0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00};voidLCD_WriteCommandE1(unsignedcharcom){while(CRADD1&0x80);CWADD1=com;}voidLCD_WriteDataE1(unsignedchardat){while(CRADD1&0x80);DWADD1=dat;}voidLCD_WriteCommandE2(unsignedcharcom){while(CRADD2&0x80);CWADD2=com;}voidLCD_WriteDataE2(unsignedchardat){while(CRADD2&0x80);DWADD2=dat;}voidLCD_Init(){LCD_WriteCommandE1(0xe2);LCD_WriteCommandE2(0xe2);LCD_WriteCommandE1(0xa4);LCD_WriteCommandE2(0xa4);LCD_WriteCommandE1(0xa9);LCD_WriteCommandE2(0xa9);LCD_WriteCommandE1(0xa0);LCD_WriteCommandE2(0xa0);LCD_WriteCommandE1(0xc0);LCD_WriteCommandE2(0xc0);LCD_WriteCommandE1(0xaf);LCD_WriteCommandE2(0xaf);}voidLCD_Clear(void){unsignedchari,j;for(i=0;i<4;i++){LCD_WriteCommandE1(i+0xb8);LCD_WriteCommandE2(i+0xb8);LCD_WriteCommandE1(0x00);LCD_WriteCommandE2(0x00);for(j=0;j<0x50;j++){LCD_WriteDataE1(0x00);LCD_WriteDataE2(0x00);}}}voiddisplay_cn(unsignedcharlin,unsignedintcol,unsignedintlen,unsignedchar*p){unsignedintseg,i,j;unsignedchara,L,n; switch(lin) { case0:n=0xba;break; case1:n=0xb8;break; } for(i=0;i<len;i++) {for(j=0;j<2;j++){L=col;LCD_WriteCommandE1(n+j);LCD_WriteCommandE2(n+j);for(seg=0;seg<16;seg++) {if(L<61){a=L;LCD_WriteCommandE1(a);LCD_WriteDataE1(*p++);}else{a=L-61;LCD_WriteCommandE2(a);LCD_WriteDataE2(*p++);}L++;}}col=col+16; }}voiddisplay_number(unsignedcharlin,unsignedintcol,unsignedcharnum){unsignedintseg,i,j;unsignedchara,L,n,k; switch(lin) { case0:n=0xba;break; case1:n=0xb8;break; }k=num*16;for(j=0;j<2;j++){L=col;LCD_WriteCommandE1(n+j);LCD_WriteCommandE2(n+j);for(seg=0;seg<8;seg++){if(L<61){a=L;LCD_WriteCommandE1(a);LCD_WriteDataE1(number_X[k++]);}else{a=L-61;LCD_WriteCommandE2(a);LCD_WriteDataE2(number_X[k++]);}L++;}}}voiddisplay_unsigned_int(unsignedcharlin,unsignedintcol,unsignedintdat){unsignedintseg;unsignedchark[4]; k[3]=dat%10; k[2]=((dat/10)%10); k[1]=((dat/100)%10); k[0]=((dat/1000)%10);if(k[0]==0){k[0]=12;}if((k[0]==12)&&(k[1]==0)){k[0]=12;k[1]=12;}if((k[0]==12)&&(k[1]==12)&&(k[2]==0)){k[0]=12;k[1]=12;k[2]=12;}for(seg=0;seg<4;seg++){ display_number(lin,col,k[seg]); col=col+10;}}voiddisplay_signed_int(unsignedcharlin,unsignedintcol,signedintdat){unsignedintseg;unsignedchark[5],a;k[0]=12; if(dat<0) { dat=(~dat)+1; k[0]=11; } k[4]=dat%10; k[3]=((dat/10)%10); k[2]=((dat/100)%10); k[1]=((dat/1000)%10);a=k[0];if(k[1]==0){k[0]=12;k[1]=a;}if((k[1]==a)&&(k[2]==0)){k[0]=12;k[1]=12;k[2]=a;}if((k[1]==12)&&(k[2]==a)&&(k[3]==0)){k[0]=12;k[1]=12;k[2]=12;k[3]=a;}for(seg=0;seg<5;seg++){ display_number(lin,col,k[seg]); col=col+10;}}voiddisplay_unsigned_char(unsignedcharlin,unsignedintcol,unsignedchardat){unsignedintseg;unsignedchark[3]; k[1]=dat%10; k[0]=((dat/10)%10);for(seg=0;seg<2;seg++){ display_number(lin,col,k[seg]); col=col+10;}}LCD.h#include<reg51.h>#include<absacc.h>#ifndef__LCD__#define__LCD__#defineCWADD1XBYTE[0x8000]#defineDWADD1XBYTE[0x8001]#defineCRADD1XBYTE[0x8002]#defineDRADD1XBYTE[0x8003]#defineCWADD2XBYTE[0x8004]#defineDWADD2XBYTE[0x8005]#defineCRADD2XBYTE[0x8006]#defineDRADD2XBYTE[0x8007]externvoidLCD_Init();externvoiddisplay_cn(unsignedcharlin,unsignedintcol,unsignedintlen,unsignedchar*p);externvoiddisplay_signed_int(unsignedcharlin,unsignedintcol,signedintdat);externvoiddisplay_unsigned_int(unsignedcharlin,unsignedintcol,unsignedintdat);externvoiddisplay_unsigned_char(unsignedcharlin,unsignedintcol,unsignedchardat);externvoidLCD_Clear(void);#endif1、MCU.c#include<reg51.h>#include"MCU.h"voidtimer0_init(void){ //ok TMOD|=0x01; //Timer0is16bitstimer,timer1isBaudrategenerator TH0=0x97; TL0=0xd5; TR0=1; ET0=1;}2、MCU.h#ifndef__MCU__#define__MCU__externvoidtimer0_init(void);#endif3、MAIN.c#include<reg51.h>#include<LCD.h>#include<main.h>#include"MCU.h"voidwait(unsignedintx){unsignedinti;i=0;for(i=0;i<x;i++);}void timer0(void)interrupt1{ TH0=0x3c; TL0=0xb0; ms_count++; if(ms_count>=20) { ms_count=0;second_count++;if(second_count>=60){second_count=0;minute_count++;if(minute_count>=60){minute_count=0;hous_count++;if(hous_count>=24){hous_count=0;}}} }}voidmain(void){floatF;signedinta;LCD_Init();LCD_Clear();timer0_init();display_cn(0,20,3,dzb);display_cn(1,18,1,hous);display_cn(1,50,1,minute);