51单片机1302+1602程序

ID:977804 · 发表于 2021-12-6 08:12

也是自学没多久，资源有些是网上的，有些是自己写的、

直接上程序

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit DQ=P3^7; //温度 DS18B20接口
sbit light=P0^4; //蜂鸣器
sbit k1=P3^4; //按键 +
sbit k2=P3^5; //设置键/切换键
sbit k3=P3^2; //确定键 OK
sbit k4=P3^3; //减键 ——
sbit k5=P0^4; //初始化1302
//sbit led0=P1^7; //呼吸灯设定
//sbit led1P1^5;
sbit DS1302_CE=P3^0;
sbit DS1302_IO=P3^1;
sbit DS1302_SCLK=P3^6;
sbit LCD1602_RS=P0^7;
sbit LCD1602_RW=P0^6;
sbit LCD1602_EN=P0^5;
extern uchar wendu[4];
extern void get_wendu();
extern void LCD1602_init();
extern void LCD1602_wcmd(uchar cmd);
extern void LCD1602_wdat(uchar dat);
extern void LCD1602_pos(uchar x,bit y); //定义显示位置，x为列，y为行，0上1下
extern void LCD1602_dischar(uchar x,bit y,uchar dat); //在指定位置显示字符
extern void LCD1602_prints(uchar x,bit y,uchar *p); //显示字符串
extern uchar dt[7];
extern void set_time();
extern void get_time();
extern void DS1302_init();
//uchar led01;
/**************************DS1302 *********************************/
uchar dt[7];
void DS1302_write_byte(uchar dat)
{
char i;
for(i=0;i<8;i++)
{
DS1302_SCLK = 0;
_nop_();
_nop_();
dat >>= 1;
DS1302_IO = CY;
DS1302_SCLK=1;
_nop_();
_nop_();
}
}
uchar DS1302_read_byte()
{
uchar i;
uchar dat = 0;
for(i=0;i<8;i++)
{
DS1302_SCLK = 0;
_nop_();
_nop_();
dat >>= 1;
if(DS1302_IO) dat |= 0x80;
DS1302_SCLK =1;
_nop_();
_nop_();
}
return dat;
}
void DS1302_write(uchar address,uchar dat)
{
DS1302_CE=0;
_nop_();
_nop_();
DS1302_SCLK=0;
_nop_();
_nop_();
DS1302_CE=1;
_nop_();
_nop_();
DS1302_write_byte(address);
DS1302_write_byte(dat);
DS1302_SCLK=1;
DS1302_CE=0;
}
uchar DS1302_read(uchar address)
{
uchar dat;
DS1302_CE=0;
_nop_();
_nop_();
DS1302_SCLK=0;
_nop_();
_nop_();
DS1302_CE=1;
_nop_();
_nop_();
DS1302_write_byte(address);
dat =DS1302_read_byte();
DS1302_SCLK=1;
DS1302_CE=0;
dat=dat/16*10+dat%16;
return dat;
}
void DS1302_init()
{
DS1302_write(0x8e,0x00);
DS1302_write(0x80,0x00);
DS1302_write(0x82,0x00);
DS1302_write(0x84,0x12);
DS1302_write(0x86,0x10);
DS1302_write(0x88,0x11);
DS1302_write(0x8a,0x06);
DS1302_write(0x8c,0x12);
DS1302_write(0x8e,0x80);
}
void set_time()
{
uchar i,j=0x80;
for(i=0;i<7;i++)
{
dt[i]=dt[i]/10*16+dt[i]%10;
}
DS1302_write(0x8e,0x00);
DS1302_write(0x80,0x00);
for(i=0;i<7;i++)
{
DS1302_write(j,dt[i]);
j+=2;
}
DS1302_write(0x8e,0x80);
}
void get_time()
{
uint x;
dt[0] =DS1302_read(0x81); //读1302时间，秒
x=DS1302_read(0x81); // -------------------------------增加的------------------------------增加的------------------------------增加的------------------------------增加的
P1=~x;
//if(x%2!=0){led0=0;led1=1;}else{ led0=1;led1=0; }
//----------------------------------------------
dt[1] =DS1302_read(0x83); //分
dt[2] =DS1302_read(0x85); //时
dt[3] =DS1302_read(0x87); //日
dt[4] =DS1302_read(0x89); //月
dt[5] =DS1302_read(0x8b); //？周
dt[6] =DS1302_read(0x8d); //年
}
void chaongdiaon() //充电
{
DS1302_write(0x8e,0x00); /* 控制命令,WP=0,解除写保护*/
_nop_();
_nop_();
DS1302_write(0x90, 0xa6); //使能充电用一个二极管用4k电阻
DS1302_write(0x8e,0x80); /* 控制命令,WP=1,写保护*/
_nop_();
_nop_();
}
/********************************* LCD 1602 ******************/
uchar code self_char[]={
0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02, //年
0x0f,0x09,0x0f,0x09,0x0f,0x09,0x13,0x01, //月
0x0f,0x09,0x09,0x0f,0x09,0x09,0x0f,0x00, //日
0x18,0x18,0x07,0x08,0x08,0x08,0x07,0x00, //温度标志— —摄氏度
0x00,0x04,0x0E,0x1F,0x0E,0x04,0x00,0x00, //符号◆
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, //全开
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, //
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 //
};
bit lcd_busy()
{
bit result;
LCD1602_RS=0;
LCD1602_RW=1;
LCD1602_EN=1;
_nop_();
_nop_();
_nop_();
_nop_();
result = (bit)(P2&0x80);
LCD1602_EN=0;
return(result);
}
void LCD1602_wcmd(uchar cmd)
{
while(lcd_busy());
LCD1602_RS=0;
LCD1602_RW=0;
_nop_();
_nop_();
LCD1602_EN=1;
_nop_();
_nop_();
_nop_();
_nop_();
P2=cmd;
_nop_();
_nop_();
_nop_();
_nop_();
LCD1602_EN=0;
}
void LCD1602_wdat(uchar dat)
{
while(lcd_busy());
LCD1602_RS=1;
LCD1602_RW=0;
LCD1602_EN=1;
_nop_();
_nop_();
_nop_();
_nop_();
P2=dat;
_nop_();
_nop_();
_nop_();
_nop_();
LCD1602_EN=0;
}
void LCD1602_pos(uchar x,bit y) //指定坐标,x为列，0~15，y为行，0为第一行，1为第二行。
{
if(y)LCD1602_wcmd(x|0xc0);
else LCD1602_wcmd(x|0x80);
}
void LCD1602_dischar(uchar x,bit y,uchar dat) //指定位置显示一个字符
{
LCD1602_pos(x,y);
LCD1602_wdat(dat);
}
void LCD1602_prints(uchar x,bit y,uchar *p) //指定位置显示字符串
{
LCD1602_pos(x,y);
while((*p) != '\0') {LCD1602_wdat(*p);p++;}
}
void LCD1602_init()
{
uchar i;
LCD1602_wcmd(0x40);
for(i=0;i<64;i++)
{
LCD1602_wdat(self_char[i]);
}
LCD1602_wcmd(0x38);
LCD1602_wcmd(0x38);
LCD1602_wcmd(0x0c);
LCD1602_wcmd(0x06);
LCD1602_wcmd(0x01);
}
/**************************** 18B20 ************************************/
uchar wendu[4];
void delay_18b20(uchar i)
{
int j;
for(j=0;j<i;j++);
}
uchar init_18b20()
{
uchar i;
DQ=0;
delay_18b20(30);
DQ=1;
delay_18b20(3);
i=DQ;
delay_18b20(20);
return(i);
}
uchar read_18b20_bit()
{
uchar i;
DQ=0;
DQ=1;
for(i=0;i<3;i++);
return(DQ);
}
void write_18b20_bit(unsigned xbit)
{
DQ=0;
if(xbit==1)
DQ=1;
delay_18b20(5);
DQ=1;
}
uchar read_18b20_byte()
{
uchar i,j,value;
j=1;
value=0;
for(i=0;i<8;i++)
{
if(read_18b20_bit())
{
value=value+(j<<i);
}
delay_18b20(6);
}
return(value);
}
void write_18b20_byte(uchar x)
{
uchar i,j;
for(i=0;i<8;i++)
{
j=x>>i;
j=j&0x01;
write_18b20_bit(j);
delay_18b20(5);
}
}
void get_wendu()
{
uchar a,b;
float get_temp;
int temp1,temp2;
init_18b20();
write_18b20_byte(0xcc);
write_18b20_byte(0x44);
init_18b20();
write_18b20_byte(0xcc);
write_18b20_byte(0xbe);
a=read_18b20_byte(); //低8位
b=read_18b20_byte(); //高8位
temp1=b;
temp1=temp1<<8;
temp1=temp1|a;
if(b&0xfc)
{wendu[0]=1;temp1=~temp1+1;} //0正1负
else
wendu[0]=0;
get_temp=temp1*0.0625;
temp2=get_temp*10+0.5;
wendu[1]=temp2%1000/100;
wendu[2]=temp2%1000%100/10;
wendu[3]=temp2%1000%100%10;
}
/******************************* 主程序 ***************/
uchar mode=0,OK=0;
uchar dis1[16],dis2[16];
//uchar IRCOM[7],IRCODE=0;
uchar NUM1,NUM2;
uchar count;
bit L=0,select=0,DIS_EN=1,SHAN;
void delay(uint i)
{
uchar j;
while(i-- !=0)
{
for(j=0;j<120;j++);
}
}
void get_dis()
{
dis1[0]='2';
dis1[1]='0';
dis1[2]=0x30+dt[6]/10;
dis1[3]=0x30+dt[6]%10;
dis1[4]='-'; //2
dis1[5]=0x30+dt[4]/10;
dis1[6]=0x30+dt[4]%10;
dis1[7]='-'; //1
dis1[8]=0x30+dt[3]/10;
dis1[9]=0x30+dt[3]%10;
dis1[10]=' '; //2
dis1[11]=' ';
dis1[12]=' ';
switch(dt[5])
{
case 1: {
dis1[13]=' ';
dis1[14]='1';
dis1[15]=' ';
}
break;
case 2: {
dis1[13]=' ';
dis1[14]='2';
dis1[15]=' ';
}
break;
case 3: {
dis1[13]=' ';
dis1[14]='3';
dis1[15]=' ';
}
break;
case 4: {
dis1[13]=' ';
dis1[14]='4';
dis1[15]=' ';
}
break;
case 5: {
dis1[13]=' ';
dis1[14]='5';
dis1[15]=' ';
}
break;
case 6: {
dis1[13]=' ';
dis1[14]='6';
dis1[15]=' ';
}
break;
case 7: {
dis1[13]=' ';
dis1[14]='7';
dis1[15]=' ';
}
break;
}
dis2[0]=' ';
dis2[1]=0x30+dt[2]/10;
dis2[2]=0x30+dt[2]%10;
dis2[3]=':'; //;:
dis2[4]=0x30+dt[1]/10;
dis2[5]=0x30+dt[1]%10;
dis2[6]=':';
dis2[7]=0x30+dt[0]/10;
dis2[8]=0x30+dt[0]%10;
dis2[9]=' ';
if(wendu[0]==1)
dis2[10]=0x2d;
else
dis2[10]=' ';
dis2[11]=0x30+wendu[1];
dis2[12]=0x30+wendu[2];
dis2[13]='.';
dis2[14]=0x30+wendu[3];
dis2[15]=3;
}
void keyscan()
{
if(k1==0)
{
delay(10);
if(k1==0)
{
while(!k1);
mode++;
if(mode==1 && OK==0)
LCD1602_wcmd(0x01);
if(mode==2 && OK==0)
{
mode=0;
select=0;
}
if(select==0 && OK==1)
{
if(mode==7)
mode=1;
}
if(select==1 && OK==1)
{
if(mode==6)
mode=1;
}
}
}
if(k2==0)
{
delay(10);
if(k2==0)
{
while(!k2);
if(mode==1 && OK==0)
{select=~select;LCD1602_wcmd(0x01);}
NUM1++;
}
}
if(k3==0)
{
delay(10);
if(k3==0)
{
while(!k3);
if(mode==1 && OK==0)
{select=~select;LCD1602_wcmd(0x01);}
NUM2++;
}
}
if(k4==0)
{
delay(10);
if(k4==0)
{
while(!k4);
if(mode==0)
light=~light;
if(mode !=0)
{
LCD1602_wcmd(0x01);
OK++;
NUM1=0;
NUM2=0;
if(OK==2)
{
LCD1602_wcmd(0x01);
set_time();
// set_alarm();
mode=0;
select=0;
OK=0;
}
}
}
}
if(k5==0)
{
delay(100);
if(k5==0)
{
while(!k5);
DS1302_init();
}
}
}
void display()
{
get_wendu();
get_dis();
/* if(alarm[0]==1)
{LED2=1;} */
if(mode==0) //正常模式
{
uchar i;
// LED1=0;
get_time();
// get_alarm();
LCD1602_pos(0,0);
for(i=0;i<16;i++)
LCD1602_wdat(dis1[i]);
LCD1602_pos(0,1);
for(i=0;i<16;i++)
LCD1602_wdat(dis2[i]);
}
if(mode==1&&OK==0) //菜单模式
{
LCD1602_prints(1,0,"1.Set Time");
LCD1602_prints(1,1,"2.About...");
if(select)
LCD1602_dischar(0,1,4);
else
LCD1602_dischar(0,0,4);
}
if(OK==1&&select==0) //调日期模式
{
uchar i;
LCD1602_pos(0,0);
for(i=0;i<16;i++)
LCD1602_wdat(dis1[i]);
LCD1602_pos(0,1);
for(i=0;i<10;i++)
LCD1602_wdat(dis2[i]);
LCD1602_prints(10,1,"Set...");
if(SHAN==1) LCD1602_prints(10,1,"Set. ");
if(mode==1) //调分模式，秒位清零
{
dt[0]=0;
LCD1602_dischar(7,1,0x30+dt[0]/10);
LCD1602_dischar(8,1,0x30+dt[0]%10);
if(NUM1!=0)
{
dt[1]++;
if(dt[1]==60)
dt[1]=0;
LCD1602_dischar(4,1,0x30+dt[1]/10);
LCD1602_dischar(5,1,0x30+dt[1]%10);
NUM1=0;
}
if(NUM2!=0)
{
dt[1]--;
if(dt[1]==-1)
dt[1]=59;
LCD1602_dischar(4,1,0x30+dt[1]/10);
LCD1602_dischar(5,1,0x30+dt[1]%10);
NUM2=0;
}
if(SHAN==1) LCD1602_dischar(5,1,5);
}
else
if(mode==2) //调时模式
{
if(NUM1!=0)
{
dt[2]++;
if(dt[2]==24)
dt[2]=0;
LCD1602_dischar(1,1,0x30+dt[2]/10);
LCD1602_dischar(2,1,0x30+dt[2]%10);
NUM1=0;
}
if(NUM2!=0)
{
dt[2]--;
if(dt[2]==-1)
dt[2]=23;
LCD1602_dischar(1,1,0x30+dt[2]/10);
LCD1602_dischar(2,1,0x30+dt[2]%10);
NUM2=0;
}
if(SHAN==1) LCD1602_dischar(2,1,5);
}
if(mode==3) //调星期状态
{
if(NUM1!=0)
{
dt[5]++;
if(dt[5]==8)
dt[5]=1;
switch(dt[5])
{
case 1: LCD1602_prints(13,0," 1 ");break;
case 2: LCD1602_prints(13,0," 2 ");break;
case 3: LCD1602_prints(13,0," 3 ");break;
case 4: LCD1602_prints(13,0," 4 ");break;
case 5: LCD1602_prints(13,0," 5 ");break;
case 6: LCD1602_prints(13,0," 6 ");break;
case 7: LCD1602_prints(13,0," 7 ");break;
}
NUM1=0;
}
if(NUM2!=0)
{
dt[5]--;
if(dt[5]==0)
dt[5]=7;
switch(dt[5])
{
case 1: LCD1602_prints(13,0," 1 ");break;
case 2: LCD1602_prints(13,0," 2 ");break;
case 3: LCD1602_prints(13,0," 3 ");break;
case 4: LCD1602_prints(13,0," 4 ");break;
case 5: LCD1602_prints(13,0," 5 ");break;
case 6: LCD1602_prints(13,0," 6 ");break;
case 7: LCD1602_prints(13,0," 7 ");break;
}
NUM2=0;
}
if(SHAN==1) LCD1602_dischar(15,0,5);
}
if(mode==4) //调日模式
{
if(NUM1!=0)
{
dt[3]++;
if(dt[3]==32)
dt[3]=1;
LCD1602_dischar(8,0,0x30+dt[3]/10);
LCD1602_dischar(9,0,0x30+dt[3]%10);
NUM1=0;
}
if(NUM2!=0)
{
dt[3]--;
if(dt[3]==0)
dt[3]=31;
LCD1602_dischar(8,0,0x30+dt[3]/10);
LCD1602_dischar(9,0,0x30+dt[3]%10);
NUM2=0;
}
if(SHAN==1) LCD1602_dischar(9,0,5);
}
if(mode==5) //调月模式
{
if(NUM1!=0)
{
dt[4]++;
if(dt[4]==13)
dt[4]=1;
LCD1602_dischar(5,0,0x30+dt[4]/10);
LCD1602_dischar(6,0,0x30+dt[4]%10);
NUM1=0;
}
if(NUM2!=0)
{
dt[4]--;
if(dt[4]==0)
dt[4]=12;
LCD1602_dischar(5,0,0x30+dt[4]/10);
LCD1602_dischar(6,0,0x30+dt[4]%10);
NUM2=0;
}
if(SHAN==1) LCD1602_dischar(6,0,5);
}
if(mode==6) //调年模式
{
if(NUM1!=0)
{
dt[6]++;
if(dt[6]==100)
dt[6]=0;
LCD1602_dischar(2,0,0x30+dt[6]/10);
LCD1602_dischar(3,0,0x30+dt[6]%10);
NUM1=0;
}
if(NUM2!=0)
{
dt[6]--;
if(dt[6]==-1)
dt[6]=99;
LCD1602_dischar(2,0,0x30+dt[6]/10);
LCD1602_dischar(3,0,0x30+dt[6]%10);
NUM2=0;
}
if(SHAN==1) LCD1602_dischar(3,0,5);
}
}
if(OK==1&&select==1) //调闹铃模式
{
LCD1602_prints(0,0," Birthday gift ");
LCD1602_prints(0,1," --by HJL");
delay(2000);
LCD1602_wcmd(0x01);
LCD1602_prints(0,0,"2013-12-04 Is ");
LCD1602_prints(0,1,"LiYunL birthday!");
delay(2000);
LCD1602_wcmd(0x01);
LCD1602_prints(0,0,"Friends together");
LCD1602_prints(0,1,"for life... ");
delay(2000);
LCD1602_wcmd(0x01);
mode=1 ;
OK=0;
}
}
/*
void diy()
{
LCD1602_init();
delay(1);
LCD1602_prints(0,0," Digital Clock ");
LCD1602_prints(0,1,"v1.1.0 --by HJL");
delay(1000);
LCD1602_wcmd(0x01);
}
*/
void main()
{
IT0=1; //外部中断0为下降沿触发
EX0=1; //
TMOD=0x01;
TH0=0x3C; //50ms
TL0=0xB0;
EA=1;
ET0=1;
TR0=1;
get_wendu();
LCD1602_init();
// diy();
LCD1602_wcmd(0x01);
chaongdiaon();
// P1=0xff;
while(1)
{
// P1=0xff;
keyscan();
display();
}
}
void timer0() interrupt 1
{
TH0=0x3C;
TL0=0xB0;
count++;
if(count==10)
{
count=0;
SHAN=~SHAN;
}
}

复制代码

帐号		自动登录	找回密码
密码			立即注册

51单片机1302+1602程序

评分