第十三届蓝桥杯单片机完整程序

声明：1、我发布程序旨在希望大家蓝桥杯单片机比赛可以取得好成绩

2、在看我程序之前希望大家先去B站观看完小蜜蜂老师的蓝桥杯单片机视频讲解

小蜜蜂视频链接：【小蜜蜂笔记】蓝桥杯大赛-单片机设计与开发基础技能与进阶强化教程_哔哩哔哩_bilibili

本程序资源包采用第十三届蓝桥杯资源包

本博客包含第八届到第十三届蓝桥杯单片机真题所有程序

main.c

#include <reg52.h>
#include <ds1302.h>
#include <onewire.h>
sfr P4 = 0xC0;sbit L1 = P0^0;
sbit L2 = P0^1;
sbit L3 = P0^2;sbit R1 = P3^0;
sbit R2 = P3^1;
sbit R3 = P3^2;
sbit R4 = P3^3;sbit C1 = P3^4;
sbit C2 = P3^5;
sbit C3 = P4^2;
sbit C4 = P4^4;sbit Relay = P0^4;
sbit Buzzer = P0^6;//变量区
unsigned int count;//继电器5s
unsigned char count1;//0.1s
unsigned int count2;//LED5s
unsigned char state_5 = 0;//0.1s标志位
unsigned char state_4 = 0;//LED5s标志位
unsigned char state_3 = 0;//继电器标志位
unsigned char state_2 = 1;//时间控制
unsigned char mode = 1;//模式控制
unsigned char state_1 = 1;//界面控制
unsigned char number = 23;//参数
unsigned int temp;//温度
unsigned char Write_DS1302_Addr[3] = {0x80,0x82,0x84};
unsigned char Read_DS1302_Addr[3] = {0x81,0x83,0x85};
unsigned char Timer[3] = {0x50,0x59,0x22};//22:59:50
unsigned char SMG_Val[10] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
//锁存器的选择
void SelectHC573(unsigned char channel)
{switch(channel){case 4 : P2 = (P2 & 0x1f) | 0x80; break;case 5 : P2 = (P2 & 0x1f) | 0xa0; break;case 6 : P2 = (P2 & 0x1f) | 0xc0; break;case 7 : P2 = (P2 & 0x1f) | 0xe0; break;}
}
//数码管的选择(无点)
void Select_SMG(unsigned char pos,val)
{SelectHC573(7);P0 = 0xff;SelectHC573(6);P0 = 0x01 << pos;SelectHC573(7);P0 = val;
}
//数码管的选择（有点）
void Select_DotSMG(unsigned char pos,val)
{SelectHC573(7);P0 = 0xff;SelectHC573(6);P0 = 0x01 << pos;SelectHC573(7);P0 = val & 0x7f;
}
//关闭所有
void CloseAll()
{SelectHC573(6);P0 = 0xff;SelectHC573(7);P0 = 0xff;
}
//DS1302初始化
void Init_DS1302()
{unsigned char i;Write_Ds1302_Byte(0x8e,0x00);for(i = 0;i < 3;i ++){Write_Ds1302_Byte(Write_DS1302_Addr[i],Timer[i]);}Write_Ds1302_Byte(0x8e,0x80);
}
//读取DS1302时间
void Read_DS1302()
{unsigned char i;for(i = 0;i < 3;i ++){Timer[i] = Read_Ds1302_Byte(Read_DS1302_Addr[i]);}
}
//定时器0初始化
void Init_Timer0()
{TMOD = 0x01;TH0 = (65536 - 50000) / 256;TL0 = (65536 - 50000) % 256;EA = 1;ET0 = 1;
//  TR0 = 1;
}
//定时器0服务函数
void Service_T0() interrupt 1
{TH0 = (65536 - 50000) / 256;TL0 = (65536 - 50000) % 256;count ++;count2 ++;if(count == 100){state_3 = 0;count = 0;}if(count2 == 100){state_4 = 0;count2 = 0;}
}
//定时器1初始化
void Init_Timer1()
{TMOD = 0x01;TH1 = (65536 - 50000) / 256;TL1 = (65536 - 50000) % 256;EA = 1;ET1 = 1;
//  TR1 = 1;
}
//定时器1服务函数
void Service_T1() interrupt 3
{TH1 = (65536 - 50000) / 256;TL1 = (65536 - 50000) % 256;count1 ++;if(count1 == 2){state_5 = !state_5;count1 = 0;}
}
//延迟函数
void Delay(unsigned int t)
{while(t --);
}
//DS1302界面
void Display_DS1302()
{Select_SMG(0,0xc1);Delay(100);Select_SMG(1,SMG_Val[2]);Delay(100);if(state_2 == 1){Select_SMG(3,SMG_Val[Timer[2] / 16]);Delay(100);Select_SMG(4,SMG_Val[Timer[2] % 16]);Delay(100);Select_SMG(5,0xbf);Delay(100);Select_SMG(6,SMG_Val[Timer[1] / 16]);Delay(100);Select_SMG(7,SMG_Val[Timer[1] % 16]);Delay(100);}else if(state_2 == 2){Select_SMG(3,SMG_Val[Timer[1] / 16]);Delay(100);Select_SMG(4,SMG_Val[Timer[1] % 16]);Delay(100);Select_SMG(5,0xbf);Delay(100);Select_SMG(6,SMG_Val[Timer[0] / 16]);Delay(100);Select_SMG(7,SMG_Val[Timer[0] % 16]);Delay(100);}CloseAll();
}
//DS18B20界面//123
void Display_DS18B20()
{temp = DS18B20_Temp();Select_SMG(7,SMG_Val[temp % 10]);Delay(500);Select_DotSMG(6,SMG_Val[temp % 100 / 10]);Delay(500);Select_SMG(5,SMG_Val[temp / 100]);Delay(500);Select_SMG(1,SMG_Val[1]);Delay(500);Select_SMG(0,0xc1);Delay(500);CloseAll();
}
//参数界面
void Display_CS()
{Select_SMG(7,SMG_Val[number % 10]);Delay(100);Select_SMG(6,SMG_Val[number / 10]);Delay(100);Select_SMG(1,SMG_Val[3]);Delay(100);Select_SMG(0,0xc1);Delay(100);CloseAll();
}
//所有界面
void Display()
{switch(state_1){case 1 : Display_DS18B20(); break;case 2 : Display_DS1302(); break;case 3 : Display_CS(); break;}
}
void Control_mode();
void LED_Control();
//按键控制
void KEY_KBO()
{R4 = 0;R1 = R2 = R3 = 1; //S12C1 = C2 = C3 = C4 = 1;if(C2 == 0){Delay(200);if(C2 == 0){if(state_1 == 1){state_1 = 2;}else if(state_1 == 2){state_1 = 3;}else if(state_1 == 3){state_1 = 1;}}while(C2 == 0){Display();LED_Control();}}R3 = 0;R1 = R2 = R4 = 1; //S13C1 = C2 = C3 = C4 = 1;if(C2 == 0){Delay(200);if(C2 == 0){if(mode == 1){mode = 2;}else if(mode ==2){mode = 1;}}while(C2 == 0){Display();LED_Control();}}R4 = 0;R1 = R2 = R3 = 1; //S16C1 = C2 = C3 = C4 = 1;if(C1 == 0){Delay(200);if(C1 == 0){if(state_1 == 3){    number ++;if(number > 99){number = 10;}}}while(C1 == 0){Display();LED_Control();}}R3 = 0;R1 = R2 = R4 = 1; //S17C1 = C2 = C3 = C4 = 1;if(C1 == 0){Delay(200);if(C1 == 0){if(state_1 == 2){while(C1 == 0){state_2 = 2;Display();
//                  Control_mode();LED_Control();Read_DS1302();}state_2 = 1;}else if(state_1 == 3){number --;if(number < 10){number = 99;}}while(C1 == 0){Display();LED_Control();}}}
}
//控制模块
void Control_mode()
{if(mode == 1) //温度{if(temp > number * 10){SelectHC573(5);Relay = 1;Buzzer = 0;state_3 = 1;}else {SelectHC573(5);Relay = 0;Buzzer = 0;state_3 = 0;}}if(mode == 2) //时间{if(Timer[1] == 0x00 && Timer[0] == 0x00){SelectHC573(5);Relay = 1;Buzzer = 0;state_3 = 1;TR0 = 1;}else if(state_3 == 0){SelectHC573(5);Relay = 0;Buzzer = 0;TR0 = 0;}}
}
//LED
void LED_Control()
{SelectHC573(4);if(Timer[1] == 0x00 && Timer[0] == 0x00){state_4 = 1;TR0 = 1;}else if(state_4 == 0){TR0 = 0;}if(state_4 == 1){L1 = 0;}else if(state_4 == 0){L1 = 1;}if(mode == 1){L2 = 0;}else if(mode == 2){L2 = 1;}if(state_3 == 1){TR1 = 1;if(state_5 == 1){L3 = 0;}else if(state_5 == 0){L3 = 1;}}else if(state_3 == 0){TR1 = 0;}
}
//系统初始化
void InitSystem()
{SelectHC573(5);P0 = 0x00;SelectHC573(4);P0 = 0xff;
}
//主函数
void main()
{Init_Timer1();Init_Timer0();Init_DS1302();InitSystem();while(1){LED_Control();Control_mode();Read_DS1302();Display();KEY_KBO();}
}

DS1302.c

#include "ds1302.h"                                    //写字节
void Write_Ds1302(unsigned  char temp)
{unsigned char i;for (i=0;i<8;i++)        { SCK = 0;SDA = temp&0x01;temp>>=1; SCK=1;}
}   //向DS1302寄存器写入数据
void Write_Ds1302_Byte( unsigned char address,unsigned char dat )
{RST=0;    _nop_();SCK=0; _nop_();RST=1;     _nop_();  Write_Ds1302(address);    Write_Ds1302(dat);      RST=0;
}//从DS1302寄存器读出数据
unsigned char Read_Ds1302_Byte ( unsigned char address )
{unsigned char i,temp=0x00;RST=0; _nop_();SCK=0; _nop_();RST=1; _nop_();Write_Ds1302(address);for (i=0;i<8;i++)   {       SCK=0;temp>>=1; if(SDA)temp|=0x80; SCK=1;} RST=0;    _nop_();SCK=0; _nop_();SCK=1; _nop_();SDA=0; _nop_();SDA=1; _nop_();return (temp);
}

OneWire.c

#include "onewire.h"//单总线内部延时函数
void Delay_OneWire(unsigned int t)
{while(t--);
}//单总线写操作
void Write_DS18B20(unsigned char dat)
{unsigned char i;for(i=0;i<8;i++){DQ = 0;DQ = dat&0x01;Delay_OneWire(50);DQ = 1;dat >>= 1;}Delay_OneWire(50);
}//单总线读操作
unsigned char Read_DS18B20(void)
{unsigned char i;unsigned char dat;for(i=0;i<8;i++){DQ = 0;dat >>= 1;DQ = 1;if(DQ){dat |= 0x80;}        Delay_OneWire(50);}return dat;
}//DS18B20初始化
bit init_ds18b20(void)
{bit initflag = 0;DQ = 1;Delay_OneWire(120);DQ = 0;Delay_OneWire(800);DQ = 1;Delay_OneWire(100); initflag = DQ;     Delay_OneWire(50);return initflag;
}unsigned int DS18B20_Temp()
{unsigned char LSB,MSB;unsigned int temp;init_ds18b20();Write_DS18B20(0xcc);Write_DS18B20(0x44);Delay_OneWire(50);init_ds18b20();Write_DS18B20(0xcc);Write_DS18B20(0xbe);LSB = Read_DS18B20();MSB = Read_DS18B20();temp = MSB << 8;temp = temp | LSB;temp = temp * 0.625;return temp;
}

DS1302.h

#ifndef __DS1302_H
#define __DS1302_H#include <reg52.h>
#include <intrins.h>sbit SCK = P1^7;
sbit SDA = P2^3;
sbit RST = P1^3; void Write_Ds1302(unsigned char temp);
void Write_Ds1302_Byte( unsigned char address,unsigned char dat );
unsigned char Read_Ds1302_Byte( unsigned char address );#endif

OneWire.h

#ifndef __ONEWIRE_H
#define __ONEWIRE_H#include "reg52.h"sbit DQ = P1^4;  unsigned int DS18B20_Temp(); #endif

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