Proteus8仿真:51单片机IrLink红外密码锁系统(配有密码管理)

#include "reg51.h" #include "intrins.h" #include "LCD1602.h" sbit TX=P2^0; sbit KEY=P1^0; //定义延时 #define delay11us {_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();} #define delay12us {_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();} //600us #define High_Low_Wide_H 0XFD #define High_Low_Wide_L 0xA8 //600us #define Low_Gap_H 0XFD #define Low_Gap_L 0xA8 //1200us #define High_Gap_H 0xFB #define High_Gap_L 0x50 //2400us #define Start_High_H 0xF6 #define Start_High_L 0xA0 //按位发送函数 void Ir_Send_Bit(uint_16 us_h,uint_16 us_l,bit Status); //按8位发送函数 void Ir_Send_Data(uint_8 Data); //定时器初始化 void TimerInit(void); //输入函数 void Input_num(uint_8 num); //矩阵按键扫描 void JU_scan(void); //密码发送函数 void Send_Power(uint_8 *power); uint_8 line1[]="POWER INPUT:"; uint_8 line2[7]={32,32,32,32,'\0'}; uint_8 error1[]="POWER LESS 4"; uint_8 error2[]="RESUME LOAD"; uint_8 line3[]="NEW POWER:"; uint_8 power[4]={1,1,1,1}; uint_8 command[4]={10,10,10,10}; uint_8 pattern=0; void main(void) { Lcd1602_init(); TimerInit();TX = 0; while(1) { if(pattern==0) { Show_String(line1,line2); } else if(pattern==1) { Show_String(error1,error2); } else if(pattern==2) { Show_String(line3,line2); } JU_scan(); } } void Delay5ms() //@12.000MHz { unsigned char i, j; i = 10; j = 183; do { while (--j); } while (--i); } void Delect_num() { // if(line2[5]!=32) // { // line2[5]=32; // } // else if(line2[4]!=32) // { // line2[4]=32; // } if(line2[3]!=32) { line2[3]=32; } else if(line2[2]!=32) { line2[2]=32; } else if(line2[1]!=32) { line2[1]=32; } else if(line2[0]!=32) { line2[0]=32; } } //void change_num(uint_8 *power) //{ //// char i=0; //// for(i=0;i<3;i++) //// { //// if(power[i]==1)power[i]=0x01; //// else if(power[i]==2)power[i]=0x02; //// else if(power[i]==3)power[i]=0x04; //// else if(power[i]==4)power[i]=0x08; //// else if(power[i]==5)power[i]=0x10; //// else if(power[i]==6)power[i]=0x20; //// else if(power[i]==7)power[i]=0x40; //// else if(power[i]==8)power[i]=0x80; //// } //} void JU_scan(void) { uint_8 i,team; for(i=0x80;i>8;i >>=1) { P1=~i;team=P1; if((team&0x0f)!=0x0f) { Delay5ms(); if((team&0x0f)!=0x0f) { switch(team) { case 0x7e:Input_num(1);break;//1 case 0x7d:Input_num(4);break;//4 case 0x7b:Input_num(7);break;//7 case 0x77: for(i=0;i<4;i++) { if(line2[i]==32){pattern=1;break;} else power[i]=line2[i]-48;// } Send_Power(power); break;//发送 case 0xbe:Input_num(2);break;//2 case 0xbd:Input_num(5);break;//5 case 0xbb:Input_num(8);break;//8 case 0xb7:Input_num(0);break;//0 case 0xde:Input_num(3);break;//3 case 0xdd:Input_num(6);break;//6 case 0xdb:Input_num(9);break;//9 case 0xd7:Delect_num();break;//删除 case 0xee: pattern=2; for(i=0;i<6;i++)line2[i]=32; Lcd1602_Clear(); Send_Power(command); break;//修改密码 case 0xed: pattern=0; for(i=0;i<6;i++)line2[i]=32; Lcd1602_Clear(); break;//重新输入 case 0xeb:Input_num(0);break; case 0xe7:Input_num(0);break; } } while((team&0x0f)!=0x0f) { team=P1; } } } } void Input_num(uint_8 num) { num+=48; if(line2[0]==32) { line2[0]=num; } else if(line2[1]==32) { line2[1]=num; } else if(line2[2]==32) { line2[2]=num; } else if(line2[3]==32) { line2[3]=num; } // else if(line2[4]==32) // { // line2[4]=num; // } // else if(line2[5]==32) // { // line2[5]=num; // } } //按键扫描函数 void Send_Power(uint_8 *power) { TX = 0; Ir_Send_Bit(Start_High_H,Start_High_L,1); //起始信号2.4ms Ir_Send_Bit(Low_Gap_H,Low_Gap_L,0); //间隔输出0.6ms Ir_Send_Data((power[0]|(power[1]<<4))); //数据 Ir_Send_Data((power[2]|(power[3]<<4))); //数据 Ir_Send_Bit(Low_Gap_H,Low_Gap_L,1); } //一位发送 void Ir_Send_Bit(uint_16 us_h,uint_16 us_l,bit Status) { TH0 = us_h; //设置定时初值 TL0 = us_l; //设置定时初值 TF0 = 0; //清除TF0标志 TR0 = 1; //定时器0开始计时 if(Status==1) { // TX = 1; while(TF0==0) { TX = 1; delay12us; TX = 0; delay11us; } } else if(Status==0) { TX = 0; while(TF0==0); } TF0 = 0; TR0 = 0; //关闭定时器 TX = 0; } //八位发送 从最低位往高位发送 void Ir_Send_Data(uint_8 Data) { uint_8 i=0; for(i=0;i<8;i++) { if(Data&0x01) //高电平 { Ir_Send_Bit(High_Low_Wide_H,High_Low_Wide_L,1); //脉宽输出 Ir_Send_Bit(High_Gap_H,High_Gap_L,0); //间隔输出 } else { Ir_Send_Bit(High_Low_Wide_H,High_Low_Wide_L,1); //脉宽输出 Ir_Send_Bit(Low_Gap_H,Low_Gap_L,0); //间隔输出 } Data >>=1; } } void TimerInit(void) //12微秒@12.000MHz { TMOD=0X01; //设置定时器模式 }