下面是主程序:
- #include<reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- #include "Data.h"
- #include "DS1302.h"
- #include "AT24C02.h"
- sbit COUNT_IN=P3^2;
- //定义1602相关管脚
- sbit rs=P1^4;
- sbit en=P1^0;
- //键盘定义
- sbit K1=P3^4; //设置时间
- sbit K3=P3^6; //减按键
- sbit K2=P3^5; //加按键
- sbit K4=P3^7; //设置半径安全距离
- sbit BEEP=P3^0;
- uint count;
- unsigned long Velocity,Mileage;
- uchar code tab1[]={" / / : "}; //14/09/10 16:34 3
- uchar code tab2[]={" 0.000km 00km/h"}; //000.000km 00km/h
- uchar code tab3[]={"Wheel Radius cm"};
- uchar code tab4[]={"Safe Speed km/h"};
- uchar code tab5[]={"Sec : "};
-
- uchar Mode=0;
- uchar bike_set=0;
- uchar a;
- char RADIUS,SAFE_SPEED;
- bit LED_SEC;
- uchar before_sec;
- //自定义字符
- uchar code num[]={
- 0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//1
- 0x1f,0x01,0x01,0x1f,0x10,0x10,0x1f,0x00,//2
- 0x1f,0x01,0x01,0x1f,0x01,0x01,0x1f,0x00,//3
- 0x11,0x11,0x11,0x1f,0x01,0x01,0x01,0x00,//4
- 0x1f,0x10,0x10,0x1f,0x01,0x01,0x1f,0x00,//5
- 0x1f,0x10,0x10,0x1f,0x11,0x11,0x1f,0x00,//6
- 0x1f,0x01,0x01,0x01,0x01,0x01,0x01,0x00,//7
- };
- void READS();
- void SETS();
- void delay(uint x)
- {
- uint i,j;
- for(i=0;i<x;i++)
- for(j=0;j<110;j++);
- }
- void init()
- {
- IT0=1; //INT0负跳变触发
- TMOD=0x01;//定时器工作于方式1
- TH0=0x3c; //50ms
- TL0=0xb0;
- EA=1; //CPU开中断总允许
- ET0=1;//开定时中断
- EX0=1;//开外部INTO中断
- TR0=1;//启动定时
- }
- /********液晶写入指令函数与写入数据函数,以后可调用**************/
- void write_1602com(uchar com)//****液晶写入指令函数****
- {
- rs=0;//数据/指令选择置为指令
- P0=com;//送入数据
- delay(1);
- en=1;//拉高使能端,为制造有效的下降沿做准备
- delay(1);
- en=0;//en由高变低,产生下降沿,液晶执行命令
- }
- void write_1602dat(uchar dat)//***液晶写入数据函数****
- {
- rs=1;//数据/指令选择置为数据
- P0=dat;//送入数据
- delay(1);
- en=1; //en置高电平,为制造下降沿做准备
- delay(1);
- en=0; //en由高变低,产生下降沿,液晶执行命令
- }
- //自定义字符集
- void Lcd_ram()
- {
- uint i,j,k=0,temp=0x40;
- for(i=0;i<7;i++)
- {
- for(j=0;j<8;j++)
- {
- write_1602com(temp+j);
- write_1602dat(num[k]);
- k++;
- }
- temp=temp+8;
- }
- }
- void lcd_init()//***液晶初始化函数****
- {
- Lcd_ram();
- write_1602com(0x38);//设置液晶工作模式,意思:16*2行显示,5*7点阵,8位数据
- write_1602com(0x0c);//开显示不显示光标
- write_1602com(0x06);//整屏不移动,光标自动右移
- write_1602com(0x01);//清显示
- write_1602com(0x80);//显示固定符号从第一行第1个位置之后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(tab1[a]);//向液晶屏写固定符号部分
- }
- write_1602com(0x80+0x40);//显示固定符号写入位置,从第2个位置后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(tab2[a]);//写显示固定符号
- }
- }
- void display()
- {
- // 1km/h=100m/0.1h 360s
- // 10km/h=100m/0.01h 36s
- // 100km/h=100m/0.001h 3.6s
- if(Mode==0&&bike_set==0)
- {
- //读时间
- Ds1302_Read_Time();
- //显示时间
- write_1602com(0x80);
- write_1602dat(0x30+time_buf1[1]/10);
- write_1602dat(0x30+time_buf1[1]%10);
- write_1602com(0x80+3);
- write_1602dat(0x30+time_buf1[2]/10);
- write_1602dat(0x30+time_buf1[2]%10);
- write_1602com(0x80+6);
- write_1602dat(0x30+time_buf1[3]/10);
- write_1602dat(0x30+time_buf1[3]%10);
- write_1602com(0x80+9);
- write_1602dat(0x30+time_buf1[4]/10);
- write_1602dat(0x30+time_buf1[4]%10);
- write_1602com(0x80+12);
- write_1602dat(0x30+time_buf1[5]/10);
- write_1602dat(0x30+time_buf1[5]%10);
- write_1602com(0x80+15);
- write_1602dat(time_buf1[7]-1);
- if(before_sec!=time_buf1[6])
- {
- before_sec=time_buf1[6];
- write_1602com(0x80+11);
- write_1602dat(':');
- LED_SEC=1;
- }
- if(LED_SEC==0)
- {
- write_1602com(0x80+11);
- write_1602dat(' ');
- }
- write_1602com(0x80+0x40);
- if(Mileage/1000000==0)
- write_1602dat(' ');
- else
- write_1602dat(0x30+Mileage/1000000);//数字+0x30得到该数字的LCD1602显示码
- if(Mileage%1000000/100000==0)
- write_1602dat(' ');
- else
- write_1602dat(0x30+Mileage%1000000/100000);//数字+0x30得到该数字的LCD1602显示码
- write_1602dat(0x30+Mileage%1000000%100000/10000);//数字+0x30得到该数字的LCD1602显示码
- write_1602com(0x80+0x40+4);
- write_1602dat(0x30+Mileage%1000000%100000%10000/1000);//数字+30得到该数字的LCD1602显示码
- write_1602dat(0x30+Mileage%1000000%100000%10000%1000/100);//数字+30得到该数字的LCD1602显示码
- write_1602dat(0x30+Mileage%1000000%100000%10000%1000%100/10);//数字+30得到该数字的LCD1602显示码
- SETS();
-
- write_1602com(0x80+0x40+10);
- write_1602dat(0x30+Velocity/10);
- write_1602dat(0x30+Velocity%10);//数字+30得到该数字的LCD1602显示码
- }
- else if(Mode!=0)
- {
- switch(Mode)
- {
- case 1:
- write_1602com(0x80+0x40);//显示固定符号写入位置
- for(a=0;a<16;a++)
- {
- write_1602dat(tab5[a]);//写显示固定符号
- }
- write_1602com(0x80+0x40+14);
- write_1602dat(0x30+time_buf1[6]/10);
- write_1602dat(0x30+time_buf1[6]%10);
- write_1602com(0x0F); //打开闪烁
- write_1602com(0x80+1);
- break;
- case 2:
- write_1602com(0x80+4);
- break;
- case 3:
- write_1602com(0x80+7);
- break;
- case 4:
- write_1602com(0x80+10);
- break;
- case 5:
- write_1602com(0x80+13);
- break;
- case 6:
- write_1602com(0x80+0x40+15);
- break;
- case 7:
- write_1602com(0x80+15);
- break;
- case 8:
- write_1602com(0x0c);
- write_1602com(0x80);//显示固定符号从第一行第1个位置之后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(tab1[a]);//向液晶屏写固定符号部分
- }
- write_1602com(0x80+0x40);//显示固定符号写入位置,从第2个位置后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(tab2[a]);//写显示固定符号
- }
- break;
- }
- }
- else if(bike_set!=0)
- {
- switch(bike_set)
- {
- case 1:
- write_1602com(0x80);//显示固定符号写入位置
- for(a=0;a<16;a++)
- {
- write_1602dat(tab3[a]);//写显示固定符号
- }
- write_1602com(0x80+0x40);//显示固定符号写入位置
- for(a=0;a<16;a++)
- {
- write_1602dat(tab4[a]);//写显示固定符号
- }
- write_1602com(0x80+12);
- write_1602dat(0x30+RADIUS/10); //车轮半径
- write_1602dat(0x30+RADIUS%10);
- write_1602com(0x80+0x40+10);
- write_1602dat(0x30+SAFE_SPEED/10); //安全速度
- write_1602dat(0x30+SAFE_SPEED%10);
- write_1602com(0x0F); //打开闪烁
- write_1602com(0x80+13);
- break;
- case 2:
- write_1602com(0x80+0x40+11);
- break;
- case 3:
- write_1602com(0x0c);
- write_1602com(0x80);//显示固定符号从第一行第1个位置之后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(tab1[a]);//向液晶屏写固定符号部分
- }
- write_1602com(0x80+0x40);//显示固定符号写入位置,从第2个位置后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(tab2[a]);//写显示固定符号
- }
- break;
- }
- }
- }
- void KEY()
- {
- if(bike_set==0&&K1==0)
- {
- delay(20);
- if(bike_set==0&&K1==0)
- {
- BEEP=0;
- delay(50);
- BEEP=1;
- Mode++;
- display();
- if(Mode>=8)
- {
- Mode=0;
- Ds1302_Write_Time();
- }
- }
- while(bike_set==0&&K1==0);
- }
- if(K4==0&&Mode==0)
- {
- delay(20);
- if(K4==0&&Mode==0)
- {
- BEEP=0;
- delay(50);
- BEEP=1;
- bike_set++;
- display();
- if(bike_set>=3)
- {
- bike_set=0;
- SETS();
- }
- }
- while(Mode==0&&K4==0);
- }
- //+
- if(K2==0&&(Mode!=0||bike_set!=0))
- {
- delay(20);
- //调时
- if(K2==0&&(Mode!=0||bike_set!=0))
- {
- BEEP=0;
- delay(50);
- BEEP=1;
- switch(Mode)
- {
- case 1:
- time_buf1[1]++;
- if(time_buf1[1]>=100)
- time_buf1[1]=0;
- write_1602com(0x80);
- write_1602dat(0x30+time_buf1[1]/10);
- write_1602dat(0x30+time_buf1[1]%10);
- write_1602com(0x80+1);
- break;
- case 2:
- time_buf1[2]++;
- if(time_buf1[2]>=13)
- time_buf1[2]=1;
- write_1602com(0x80+3);
- write_1602dat(0x30+time_buf1[2]/10);
- write_1602dat(0x30+time_buf1[2]%10);
- write_1602com(0x80+4);
- break;
- case 3:
- time_buf1[3]++;
- if(time_buf1[3]>=YDay(time_buf1[1],time_buf1[2])+1)
- time_buf1[3]=1;
- write_1602com(0x80+6);
- write_1602dat(0x30+time_buf1[3]/10);
- write_1602dat(0x30+time_buf1[3]%10);
- write_1602com(0x80+7);
- break;
- case 4:
- time_buf1[4]++;
- if(time_buf1[4]>=24)
- time_buf1[4]=0;
- write_1602com(0x80+9);
- write_1602dat(0x30+time_buf1[4]/10);
- write_1602dat(0x30+time_buf1[4]%10);
- write_1602com(0x80+10);
- break;
- case 5:
- time_buf1[5]++;
- if(time_buf1[5]>=60)
- time_buf1[5]=0;
- write_1602com(0x80+12);
- write_1602dat(0x30+time_buf1[5]/10);
- write_1602dat(0x30+time_buf1[5]%10);
- write_1602com(0x80+13);
- break;
- case 6:
- time_buf1[6]++;
- if(time_buf1[6]>=60)
- time_buf1[6]=0;
- write_1602com(0x80+0x40+14);
- write_1602dat(0x30+time_buf1[6]/10);
- write_1602dat(0x30+time_buf1[6]%10);
- write_1602com(0x80+0x40+15);
- break;
- case 7:
- time_buf1[7]++;
- if(time_buf1[7]>=8)
- time_buf1[7]=1;
- write_1602com(0x80+15);
- write_1602dat(time_buf1[7]-1);
- write_1602com(0x80+15);
- break;
- }
- switch(bike_set)
- {
- case 1:
- RADIUS++;
- if(RADIUS>=71)
- RADIUS=0;
- write_1602com(0x80+12);
- write_1602dat(0x30+RADIUS/10);
- write_1602dat(0x30+RADIUS%10);
- write_1602com(0x80+13);
- break;
- case 2:
- SAFE_SPEED++;
- if(SAFE_SPEED>=100)
- SAFE_SPEED=0;
- write_1602com(0x80+0x40+10);
- write_1602dat(0x30+SAFE_SPEED/10);
- write_1602dat(0x30+SAFE_SPEED%10);
- write_1602com(0x80+0x40+11);
- break;
- }
- }
- while(K2==0);
- }
- //-
- if(K3==0&&(Mode!=0||bike_set!=0))
- {
- delay(20);
- //调时
- if(K3==0&&(Mode!=0||bike_set!=0))
- {
- BEEP=0;
- delay(50);
- BEEP=1;
- switch(Mode)
- {
- case 1:
- time_buf1[1]--;
- if(time_buf1[1]<0)
- time_buf1[1]=99;
- write_1602com(0x80);
- write_1602dat(0x30+time_buf1[1]/10);
- write_1602dat(0x30+time_buf1[1]%10);
- write_1602com(0x80+1);
- break;
- case 2:
- time_buf1[2]--;
- if(time_buf1[2]<=0)
- time_buf1[2]=12;
- write_1602com(0x80+3);
- write_1602dat(0x30+time_buf1[2]/10);
- write_1602dat(0x30+time_buf1[2]%10);
- write_1602com(0x80+4);
- break;
- case 3:
- time_buf1[3]--;
- if(time_buf1[3]<=0)
- time_buf1[3]=YDay(time_buf1[1],time_buf1[2]);
- write_1602com(0x80+6);
- write_1602dat(0x30+time_buf1[3]/10);
- write_1602dat(0x30+time_buf1[3]%10);
- write_1602com(0x80+7);
- break;
- case 4:
- time_buf1[4]--;
- if(time_buf1[4]<0)
- time_buf1[4]=23;
- write_1602com(0x80+9);
- write_1602dat(0x30+time_buf1[4]/10);
- write_1602dat(0x30+time_buf1[4]%10);
- write_1602com(0x80+10);
- break;
- case 5:
- time_buf1[5]--;
- if(time_buf1[5]<0)
- time_buf1[5]=59;
- write_1602com(0x80+12);
- write_1602dat(0x30+time_buf1[5]/10);
- write_1602dat(0x30+time_buf1[5]%10);
- write_1602com(0x80+13);
- break;
- case 6:
- time_buf1[6]--;
- if(time_buf1[6]<0)
- time_buf1[6]=59;
- write_1602com(0x80+0x40+14);
- write_1602dat(0x30+time_buf1[6]/10);
- write_1602dat(0x30+time_buf1[6]%10);
- write_1602com(0x80+0x40+15);
- break;
- case 7:
- time_buf1[7]--;
- if(time_buf1[7]<1)
- time_buf1[7]=7;
- write_1602com(0x80+15);
- write_1602dat(time_buf1[7]-1);
- write_1602com(0x80+15);
- break;
- }
- switch(bike_set)
- {
- case 1:
- RADIUS--;
- if(RADIUS<0)
- RADIUS=70;
- write_1602com(0x80+12);
- write_1602dat(0x30+RADIUS/10);
- write_1602dat(0x30+RADIUS%10);
- write_1602com(0x80+13);
- break;
- case 2:
- SAFE_SPEED--;
- if(SAFE_SPEED<0)
- SAFE_SPEED=99;
- write_1602com(0x80+0x40+10);
- write_1602dat(0x30+SAFE_SPEED/10);
- write_1602dat(0x30+SAFE_SPEED%10);
- write_1602com(0x80+0x40+11);
- break;
- }
- }
- while(K3==0);
- }
- if(K2==0&&K3==0&&Mode==0&bike_set==0)
- {
- BEEP=0;
- delay(100);
- BEEP=1;
- delay(100);
- BEEP=0;
- delay(100);
- BEEP=1;
- delay(100);
- Mileage=0;
- SETS();
- while(K2==0&&K3==0);
- }
- }
- void BJ_SAFE()
- {
- if(Velocity>SAFE_SPEED)
- {
- BEEP=0;
- }
- else
- {
- BEEP=1;
- }
- }
- void main()
- {
- //初始化
- Ds1302_Init();
- lcd_init();
- initeeprom();
- //读取初始参数
- READS();
- //定时器初始化
- // InitTimer0();
- init();
- lcd_init();
- before_sec=time_buf1[6];
- while(1)
- {
- if(Mode==0&&bike_set==0)
- {
- display();
- BJ_SAFE();
- }
- KEY();
- }
- }
- void EXINT0() interrupt 0
- {
- count++;
- }
- void time0() interrupt 1
- {
- uchar m,n;
- TH0=0x3c;
- TL0=0xb0; //50ms
- m++;
- if(LED_SEC==1)
- {
- n++;
- if(n>=10)
- {
- n=0;
- LED_SEC=0;
- }
- }
-
- if(m>=10)
- {
- m=0;
- Mileage=Mileage+10*(Velocity/3.6)/2; //里程m=里程+速度km/h/3.6/2
- Velocity=count *2*3.14*RADIUS /100000*2*3600 /40;//将500ms的距离经过运算得到km/h,将速度/100,方便显示
- count=0;
- }
- }
- //读初值
- void READS()
- {
- uchar Mileage_H,Mileage_M,Mileage_L;
- delay(10);
- RADIUS=read_add(0x01);
- delay(10);
- SAFE_SPEED=read_add(0x02);
- delay(10);
- Mileage_H=read_add(0x03);
- delay(10);
- Mileage_M=read_add(0x04);
- delay(10);
- Mileage_L=read_add(0x05);
- Mileage=Mileage_H*100000+Mileage_M*1000+Mileage_L*10;
- }
- //写初值
- void SETS()
- {
- delay(10);
- write_add(0x01,RADIUS);
- delay(10);
- write_add(0x02,SAFE_SPEED);
- /* Mileage_H=Mileage/10000; //123.4560
- Mileage_M=Mileage%10000/100;
- Mileage_L=Mileage%10000%100; */
- delay(10);
- write_add(0x03,Mileage/100000);
- delay(10);
- write_add(0x04,Mileage%100000/1000);
- delay(10);
- write_add(0x05,Mileage%100000%1000/10);
- }
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