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仿真图可以实现，但是我焊出来后就是不行，线也是接对的，麻烦大佬帮我看看
单片机源程序如下:
- #include<reg52.h>
- #include"stdio.h"
- #define uint unsigned int
- #define uchar unsigned char
- typedef unsigned char uint8;
- typedef unsigned int uint16;
- sbit beep = P1^7; //定义蜂鸣器IO口
- sbit LED1 = P1^0; //定义灯IO口
- sbit LED2 = P1^1;
- sbit k1 = P1^2; //定义灯开关IO口
- sbit k2 = P1^3;
- sbit MOTOR = P1^4; //定义电机
- sbit BUTTON_RUN = P1^5; //定义电机启动按钮
- sbit BUTTON_STOP = P1^6; //定义电机关闭按钮
- sbit RS = P2^7;
- sbit RW = P2^6;
- sbit EN = P2^5;
- sbit K1 = P2^0;
- sbit K2 = P2^1; //加
- sbit K3 = P2^2; //减
- sbit DQ = P2^3; //DS18B20数据端
- //void delay(uint xms);
- void motor_run();
- void motor_stop();
- void LED1_SWITCH();
- void LED2_SWITCH();
- void init();
- void delay(uint16 time);
- void lcd_init(); //LCD1602初始化
- void lcd_order(uint8 date); //向LCD1602写一个指令
- void lcd_data(uint8 date); //向LCD1602写一个指令
- void write_1602(uint8 add,uint8 daa); //写数据
- void display(); //显示温度
- uint8 DS18B20_init(); //DS18B20初始化
- void DS18B20_write(uint8 date); //向DS18B20中写入一个数据
- uint8 DS18B20_read(); //从DS18B20中读一个数据并返回
- void DS18B20_check(); //启动DS18B20进行温度采集，并返回当前温度
- void KEY(); //修改报警范围
- long tmp = 0; //存储温度值
- long t_h = 37,t_l = 10; //温度上限 温度下限
- bit tmp_hb = 0; tmp_lb = 0; //温度上下限调节指示变量
- void judge(); //判断报警
- uint8 hodometer[] = " H:00 L:00 ";
- uint8 temp[]= " wendu:00.00 ";
- uint16 ji = 0;
- uint8 ku = 0; //标志位
- void main()
- {
- init();
- lcd_init(); //LCD1602初始化
- DS18B20_init(); //DS18B20初始化
- DS18B20_write(0xcc); //跳过序列号
- DS18B20_write(0x44); //启动温度转换
- write_1602(4,t_h);
- write_1602(12,t_l);
- while(1)
- {
- LED1_SWITCH();
- LED2_SWITCH();
- motor_run();
- motor_stop();
- DS18B20_check(); //从DS18B20中读取温度
- display();
- KEY();
- judge();
- }
- }
- void write_1602(uint8 add,uint8 daa)
- {
- lcd_order(0x80+add);
- lcd_data(0x30+daa/10);
- lcd_data(0x30+daa%10);
- }
- void judge() //判断是否在报警范围
- {
- if(tmp<(t_l*1000)||tmp>(t_h*1000)&&t_l>=0)
- {
- beep = 0;
- delay(10);
- }
- else if(t_l<0&&tmp>(t_h*1000))
- beep = 1;
- else
- beep = 1;
- }
- void KEY()
- {
- uint8 jj;
- uint8 i = 0;
- beep = 1;
- if(K1==0)
- {
- while(!K1);
- while(1)
- {
- lcd_order(0x0f); //开启光标显示
- lcd_order(0x80+5); //光标显示位置
- if(K2==0) //判断加按键按下
- {
- while(K2==0); //等待按键释放
- t_h++; //温度上限加1
- write_1602(4,t_h); //显示温度上限
- }
- if(K3==0) //判断减按键按下
- {
- while(K3==0); //等待按键释放
- if(t_h>t_l) //判断温度上限大于温度下限
- t_h--;
- write_1602(4,t_h); //显示温度上限
- }
- if(K1==0)
- {
- while(K1==0);
- while(1)
- {
- lcd_order(0x0f);
- lcd_order(0x80+13);
- if(K2==0)
- {
- while(K2==0);
- if(t_l<t_h&&t_l>=0)
- {
- lcd_order(0x80+11);
- lcd_data(' ');
- t_l++;
- write_1602(12,t_l);
- }
- else
- {
- t_l++;
- jj =~ t_l;
- write_1602(12,jj);
- }
- }
- if(K3==0)
- {
- while(K3==0);
- if(t_l>(-50))
- {
- t_l--;
- if(t_l<0)
- jj =~ t_l;
- }
- if(t_l>=0)
- {
- lcd_order(0x80+11);
- lcd_data(' ');
- write_1602(12,t_l);
- }
- if(t_l<0)
- {
- write_1602(12,jj);
- lcd_order(0x80+11);
- lcd_data('-');
- }
- }
- if(K1==0)
- {
- while(K1==0);
- goto loop;
- }
- }
- }
- }
- }
- loop:beep = 1;
- }
- //void delay(uint xms) //延时
- //{
- // uint i,j;
- // for(i=xms;i>0;i--)
- // for(j=110;j>0;j--) ;
- //}
- void delay(uint16 time)
- {
- while(time--);
- }
- void lcd_init()
- {
- uint8 i;
- RW = 0;
- lcd_order(0x38); //设置显示光标功能
- delay(100);
- lcd_order(0x0e); //显示开及光标设置
- delay(100);
- lcd_order(0x06); //显示光标移动设置
- delay(100);
- lcd_order(0x01); //显示清屏
- delay(100);
- lcd_order(0x80);
- for(i=0;i<16;i++)
- lcd_data(hodometer[i]);
- }
- void lcd_order(uint8 date) //LCD1602写指令
- {
- RS = 0; //选择写指令
- EN = 0; //使能初始化
- P0 = date; //发送指令
- EN = 1; //开使能
- delay(100); //延时
- EN = 0; //关使能
- }
- void lcd_data(uint8 date) //LCD1602写指令
- {
- RS = 1; //选择写数据
- EN = 0; //使能初始化
- P0 = date; //发送指令
- EN = 1; //开使能
- delay(100); //延时
- EN = 0; //关使能
- }
- uint8 DS18B20_init()
- {
- uint8 ans;
- DQ = 1;
- delay(1);
- DQ = 0;
- delay(100);
- DQ = 1;
- delay(6);
- ans = DQ;
- delay(100);
- if(!ans)
- return 1;
- else
- return 0;
- }
- void DS18B20_write(uint8 date)
- {
- uint8 i;
- DQ = 1;
- delay(1);
- for(i=0;i<8;i++) //根据时序将数据从低到高一位一位发送出来
- {
- DQ = 0;
- if(date&0x01) //从低到高取出数据的每位
- DQ = 1;
- else
- DQ = 0;
- delay(10);
- DQ = 1;
- date >>= 1;
- delay(1);
- }
- }
- uint8 DS18B20_read()
- {
- uint8 i,date = 0;
- DQ = 1; //释放总线
- delay(1);
- for(i=0;i<8;i++) //根据时序将数据从低到高一位一位接收
- {
- DQ = 0;
- date >>= 1;
- DQ = 1;
- if(DQ)
- date |= 0x80; //将data的一位置1
- delay(8);
- DQ = 1;
- delay(1);
- }
- return date; //返回读出的数
- }
- void DS18B20_check()
- {
- uint8 date1,date2;
- float ta;
- if(DS18B20_init())
- {
- DS18B20_write(0xcc); //跳过序列号
- DS18B20_write(0x44); //启动温度转换
- DS18B20_init(); //复位
- DS18B20_write(0xcc); //跳过序列号
- DS18B20_write(0xbe); //启动读取温度
- date1 = DS18B20_read(); //读取两个温度字节
- date2 = DS18B20_read();
- tmp = date2;
- tmp <<= 8;
- tmp = tmp|date1;
- ta = tmp*0.0625;
- tmp = ta*1000;
- }
- }
- void display()
- {
- uint8 i;
- temp[8] = 0x30+tmp/10000;
- temp[9] = 0x30+tmp/1000%10;
- temp[11] = 0x30+tmp/100%10;
- temp[12] = 0x30+tmp/10%10;
- temp[13] = 0x30+tmp%10;
- lcd_order(0x80+0x40);
- for(i=0;i<16;i++)
- lcd_data(temp[i]) ;
- }
- void init() //初始化函数
- {
- BUTTON_RUN = 1;
- BUTTON_STOP = 1;
- MOTOR = 0;
- beep = 0;
- delay(50);
- }
- void motor_run() //打开电机
- {
- if(BUTTON_RUN==0)
- {
- delay(10);
- if(BUTTON_RUN==0)
- MOTOR = 1;
- }
- }
- void motor_stop() //关闭电机
- {
- if(BUTTON_STOP==0)
- {
- delay(10);
- if(BUTTON_STOP==0)
- MOTOR = 0;
- }
- }
- void LED1_SWITCH() //LED1开关
- {
- if(k1==0)
- LED1 = 0;
- if(k1==1)
- LED1 = 1;
- }
- void LED2_SWITCH() //LED2开关
- {
- if(k2==0)
- LED2 = 0;
- if(k2==1)
- LED2 = 1;
- }
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