基于51单片机的投票统计器

#include "reg52.h" #include "lcd.h" // 1#投票 sbit ty_1=P3^1; sbit qq_1=P3^0; sbit bty_1=P3^2; // 2#投票 sbit ty_2=P3^3; sbit qq_2=P1^0; sbit bty_2=P1^1; // 3#投票 sbit ty_3=P1^2; sbit qq_3=P1^3; sbit bty_3=P1^4; sbit beep=P1^5; unsigned int ty=0,bty=0,qq=0; //同意/不同/意弃权人数 unsigned int tp_1=0,tp_2=0,tp_3=0; void delay_us(unsigned long us) //延时子程序 us { while(us--); } void lcd_display() { LCD_Write_String(0,1,"TY"); LCD_Write_Char(2,1,ty%10+'0'); LCD_Write_String(4,1,"BTY"); LCD_Write_Char(7,1,bty%10+'0'); LCD_Write_String(9,1,"QQ"); LCD_Write_Char(11,1,qq%10+'0'); } void key() { if(tp_1==0) //1# { if(ty_1==0&&qq_1==1&&bty_1==1) //1#同意 { delay_us(2); if(ty_1==0&&qq_1==1&&bty_1==1) { ty=ty+1; } tp_1=1; } if(ty_1==1&&qq_1==0&&bty_1==1) //1#弃权 { delay_us(2); if(ty_1==1&&qq_1==0&&bty_1==1) { qq=qq+1; } tp_1=1; } if(ty_1==1&&qq_1==1&&bty_1==0) //1#不同意 { delay_us(2); if(ty_1==1&&qq_1==1&&bty_1==0) { bty=bty+1; } tp_1=1; } } if(tp_2==0) //2# { if(ty_2==0&&qq_2==1&&bty_2==1) //1#同意 { delay_us(2); if(ty_2==0&&qq_2==1&&bty_2==1) { ty=ty+1; } tp_2=1; } if(ty_2==1&&qq_2==0&&bty_2==1) //1#弃权 { delay_us(2); if(ty_2==1&&qq_2==0&&bty_2==1) { qq=qq+1; } tp_2=1; } if(ty_2==1&&qq_2==1&&bty_2==0) //1#不同意 { delay_us(2); if(ty_2==1&&qq_2==1&&bty_2==0) { bty=bty+1; } tp_2=1; } } if(tp_3==0) //1# { if(ty_3==0&&qq_3==1&&bty_3==1) //1#同意 { delay_us(2); if(ty_3==0&&qq_3==1&&bty_3==1) { ty=ty+1; } tp_3=1; } if(ty_3==1&&qq_3==0&&bty_3==1) //1#弃权 { delay_us(2); if(ty_3==1&&qq_3==0&&bty_3==1) { qq=qq+1; } tp_3=1; } if(ty_3==1&&qq_3==1&&bty_3==0) //1#不同意 { delay_us(2); if(ty_3==1&&qq_3==1&&bty_3==0) { bty=bty+1; } tp_3=1; } } } void ql() { if(qq_1==0&&bty_1==0) { delay_us(2); if(qq_1==0&&bty_1==0) { ty=bty=qq=tp_1=tp_2=tp_3=0; } while(qq_1==0||bty_1==0); } } void main() { LCD_Init(); //显示器初始化 LCD_Clear();//清屏 LCD_Write_String(0,0,"Voting Statistician"); while(1) { lcd_display(); key(); ql(); beep=0; } }