单片机AT89C52摇号抽奖设计.rar

#include <reg51.h> #include <intrins.h> #include<ctype.h> #include<stdlib.h> #include<stdio.h> #include<string.h> #define delayNOP(); {_nop_();_nop_();_nop_();_nop_();}; #define uchar unsigned char #define uint unsigned int #define LCD_data P0 sbit LCD_RS = P3^5; sbit LCD_RW = P3^6; sbit LCD_EN = P3^4; sbit LCD_PSB = P3^7; uint t=0; uchar num=0; uchar t_flag=0; uchar a_flag=0; uchar end_flag=0; uchar code dis[][17]={"祝你好运！","开始抽奖","恭喜你获得："}; uchar code award[][17]={"特等奖","１等奖","２等奖","３等奖","谢谢参与"}; uchar code time[][17]={"３","２","１"}; void delay(int ms) { while(ms--) { uchar i; for(i=0;i<250;i++) { _nop_(); _nop_(); _nop_(); _nop_(); } } } bit lcd_busy() { bit result; LCD_RS = 0; LCD_RW = 1; LCD_EN = 1; delayNOP(); result = (bit)(P0&0x80); LCD_EN = 0; return(result); } void lcd_wcmd(uchar cmd) { while(lcd_busy()); LCD_RS = 0; LCD_RW = 0; LCD_EN = 0; _nop_(); _nop_(); P0 = cmd; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; } void lcd_wdat(uchar dat) { while(lcd_busy()); LCD_RS = 1; LCD_RW = 0; LCD_EN = 0; P0 = dat; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; } void lcd_wstr(uchar* dat) { uchar i=0; while(dat[i] != '\0'&&i<16) { lcd_wdat(dat[i]); i++; } } void lcd_init() { LCD_PSB = 1; lcd_wcmd(0x30); delay(5); lcd_wcmd(0x0C); delay(5); lcd_wcmd(0x01); delay(5); } void lcd_pos(uchar X,uchar Y) { uchar pos; if (X==0) {X=0x80;} else if (X==1) {X=0x90;} else if (X==2) {X=0x88;} else if (X==3) {X=0x98;} pos = X+Y ; lcd_wcmd(pos); } void interrupt_init() { EA=1; EX0=1; IT0=1; TMOD=0x11; ET0=1; ET1=1; TR0=0; TR1=0; TH0=15535/256; TL0=15535%256; TH1=55535/256; TL1=55535%256; } void main() { uchar str[17]="　　　　　　　　"; interrupt_init(); delay(10); lcd_init(); lcd_pos(1,4-strlen(dis[0])/4); lcd_wstr(dis[0]); while(1) { delay(50); if(t_flag==1) { t_flag=0; lcd_pos(2,0); lcd_wstr(str); delay(5); lcd_pos(2,4-strlen(time[num])/4); lcd_wstr(time[num]); } else if(a_flag==1) { a_flag=0; lcd_wcmd(0x01); lcd_pos(2,4-strlen(award[num])/4); lcd_wstr(award[num]); if(end_flag==1) { end_flag=0; lcd_pos(0,4-strlen(dis[2])/4); lcd_wstr(dis[2]); } } delay(10); } } void EX_IT0() interrupt 0 { lcd_wcmd(0x01); lcd_pos(1,4-strlen(dis[1])/4); lcd_wstr(dis[1]); TH0=15535/256; TL0=15535%256; TR0=1; num=2; } void ET_IT0() interrupt 1 { TH0=15535/256; TL0=15535%256; t++; if(t%20==0) { t_flag=1; num=(num+1)%3; if(t==60) { t=0; TR0=0; TH1=15535/256; TL1=15535%256; TR1=1; } } } void ET_IT1() interrupt 3 { TH1=55535/256; TL1=55535%256; t++; if(t%30==0) { a_flag=1; num=rand()%5; if(t==600) { t=0; TR1=0; end_flag=1; } } }