【第十三届蓝桥杯省单片机软件部分2】

【第十三届蓝桥杯省单片机软件部分2】

一、题目要求

二、软件实现

#include "reg52.h"
#include "ds1302.h"
#include "onewire.h"

sfr P4 = 0xC0;

sbit H1 = P3^0;
sbit H2 = P3^1;
sbit H3 = P3^2;
sbit H4 = P3^3;

sbit L1 = P3^4;
sbit L2 = P3^5;
sbit L3 = P4^2;
sbit L4 = P4^4;

unsigned char DS1302_Write_Addr[] = {0x80,0x82,0x84,0x86,0x88,0x8a,0x8c};
unsigned char DS1302_Read_Addr[]= {0x81,0x83,0x85,0x87,0x89,0x8b,0x8d};
//2022-12-23 23-25-30 周五
unsigned char Init_DS1302_Clock[] =  {0x40,0x54,0x30,0x23,0x12,0x05,0x22};
float T_temp = 0.0;
unsigned int  Real_T = 0,Set_T = 23;
unsigned char code smg_data[] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8, 0x80,0x90};
unsigned char code smg_dot[] ={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
unsigned char channel = 1;  
unsigned char interface = 1,work_mode = 1,led_status = 0xff;//界面
unsigned char  s17_flag = 1,time_5s_flag = 0,L3_flag = 0,relay_flag = 0,clock_flag = 0;

//简单延时
void delay(unsigned int t)
{
	while(t--);
}
//74HC138初始化
void Init_74HC138(unsigned char dat)
{
	switch(dat)
	{
		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;
		case 0:P2 = (P2 & 0x1f)|0x00;break;
	}
	P2 = (P2 & 0x1f)|0x00;
}


//数码管按位操作
void SMG_DisplayByBit(unsigned char pos,unsigned char dat)
{
	P0 = (0x01 << pos);
	Init_74HC138(6);
	P0 = dat;
	Init_74HC138(7);
}

//控制所有数码管
void Controal_All_SMG(unsigned char dat)
{
	P0 = 0x0ff;
	Init_74HC138(6);
	P0 = dat;
	Init_74HC138(7);
}

//温度获取
void Read_Temperature(void)
{
	unsigned char LSB = 0,MSB = 0;
	unsigned int temp = 0;
	init_ds18b20();
	Write_DS18B20(0xcc);
	Write_DS18B20(0x44);
	
	delay(800);
	init_ds18b20();
	Write_DS18B20(0xcc);
	Write_DS18B20(0xbe);
	LSB = Read_DS18B20();
	MSB = Read_DS18B20();
	init_ds18b20();
	temp = (MSB << 8)| LSB;
	if((temp & 0xf800) == 0x0000)
	{
		T_temp = temp * 0.0625;
	}
	Real_T = T_temp * 10;	
}


//数码管数据显示温度
void SMG_Display_Temperature(void)
{
	//U 0111 1100
	SMG_DisplayByBit(0,~0x3e);
	delay(200);
	SMG_DisplayByBit(1,smg_data[channel]);
	delay(200);
	SMG_DisplayByBit(2,0xff);
	delay(200);
	SMG_DisplayByBit(3,0xff);
	delay(200);
	SMG_DisplayByBit(4,0xff);
	delay(200);
	SMG_DisplayByBit(5,smg_data[Real_T/100]);
	delay(200);
	SMG_DisplayByBit(6,smg_dot[Real_T/10%10]);
	delay(200);
	SMG_DisplayByBit(7,smg_data[Real_T%10]);
	delay(200);
	Controal_All_SMG(0xff);
	delay(200);
}


//数码管数据显示设置温度
void SMG_Display_Set_Temperature(void)
{
	//U 0111 1100
	SMG_DisplayByBit(0,~0x3e);
	delay(200);
	SMG_DisplayByBit(1,smg_data[channel]);
	delay(200);
	SMG_DisplayByBit(2,0xff);
	delay(200);
	SMG_DisplayByBit(3,0xff);
	delay(200);
	SMG_DisplayByBit(4,0xff);
	delay(200);
	SMG_DisplayByBit(5,0xff);
	delay(200);
	SMG_DisplayByBit(6,smg_data[Set_T/10]);
	delay(200);
	SMG_DisplayByBit(7,smg_data[Set_T%10]);
	delay(200);
	Controal_All_SMG(0xff);
	delay(200);
}

//数码管数据时间
void SMG_Display_Time(void)
{
	//U 0111 1100
	SMG_DisplayByBit(0,~0x3e);
	delay(200);
	SMG_DisplayByBit(1,smg_data[channel]);
	delay(200);
	SMG_DisplayByBit(2,0xff);
	delay(200);
	SMG_DisplayByBit(3,smg_data[Init_DS1302_Clock[1]/16]); //分
	delay(200);
	SMG_DisplayByBit(4,smg_data[Init_DS1302_Clock[1]%16]);
	delay(200);
	SMG_DisplayByBit(5,0xbf);
	delay(200);
	SMG_DisplayByBit(6,smg_data[Init_DS1302_Clock[0]/16]);//秒
	delay(200);
	SMG_DisplayByBit(7,smg_data[Init_DS1302_Clock[0]%16]);
	delay(200);
	Controal_All_SMG(0xff);
	delay(200);
}

void SMG_Display_Time2(void)
{
	//U 0111 1100
	SMG_DisplayByBit(0,~0x3e);
	delay(200);
	SMG_DisplayByBit(1,smg_data[channel]);
	delay(200);
	SMG_DisplayByBit(2,0xff);
	delay(200);
	SMG_DisplayByBit(3,smg_data[Init_DS1302_Clock[2]/16]); //时
	delay(200);
	SMG_DisplayByBit(4,smg_data[Init_DS1302_Clock[2]%16]);
	delay(200);
	SMG_DisplayByBit(5,0xbf);
	delay(200);
	SMG_DisplayByBit(6,smg_data[Init_DS1302_Clock[1]/16]);//分
	delay(200);
	SMG_DisplayByBit(7,smg_data[Init_DS1302_Clock[1]%16]);
	delay(200);
	Controal_All_SMG(0xff);
	delay(200);
}



//写入时间
void Write_DS1302_Data(void)
{
	unsigned char i = 0;
	//关闭写保护
	Write_Ds1302_Byte(0x8e,0x00);
	for(i =0;i<7;i++)
	{
		Write_Ds1302_Byte(DS1302_Write_Addr[i],Init_DS1302_Clock[i]);
	}
	//打开写保护
	Write_Ds1302_Byte(0x8e,0x80);
}



//读取时间
void Read_DS1302_Data(void)
{
	unsigned char  i = 0;
	for(i = 0;i<7;i++)
	{
		Init_DS1302_Clock[i] = Read_Ds1302_Byte(DS1302_Read_Addr[i]);
	}
}


//按键操作
void Matrix_KEY_Scan(void)
{	
	H3 = 0;
	H1 = H2 = H4 = 1;
	//13
	if(L2 == 0)
	{
		delay(20);
		if(L2 == 0)
		{
			while(L2 == 0)
			{
				if(interface == 1)
				{
					SMG_Display_Temperature();
				}
				else if(interface == 2)
				{
					SMG_Display_Time2();
				}
				else if(interface == 3)
				{
					SMG_Display_Set_Temperature();
				}
			}
			if(work_mode == 1)
			{
				work_mode = 2;
			}
			else if(work_mode == 2)
			{
				work_mode = 1;
			}
		}
	}
	
	//S17
	if(interface == 3)
	{
		if(L1 == 0)
		{
			delay(20);
			if(L1 == 0)
			{
				while(L1 == 0)
				{
					SMG_Display_Set_Temperature();
				}
				Set_T--;
			}
		}
	}
	else if(interface == 2)
	{
		if(L1 == 0)
		{
			delay(20);
			if(L1 == 0)
			{
				while(L1 == 0)
				{
					SMG_Display_Time();
					s17_flag = 1;
				}
				s17_flag = 0;
				SMG_Display_Time2();
			}
		}
	}
	
	
	
	H4 = 0;
	H1 = H3 = H2 = 1;
	//S12
	if(L2 == 0)
	{
		delay(20);
		if(L2 == 0)
		{
			while(L2 == 0)
			{
				if(interface == 1)
				{
					SMG_Display_Temperature();
				}
				else if(interface == 2)
				{
					SMG_Display_Time2();
				}
				else if(interface == 3)
				{
					SMG_Display_Set_Temperature();
				}
			}
			if(interface == 1)
			{
				interface = 2;
				channel = 2;
			}
			else if(interface == 2)
			{
				interface = 3;
				channel = 3;
			}
			else if(interface == 3)
			{
				interface = 1;
				channel = 1;
			}
		}
	}
	//S16
	
	if(L1 == 0)
	{
		delay(20);
		if(L1 == 0)
		{
			while(L1 == 0)
			{
				if(interface == 1)
				{
					SMG_Display_Temperature();
				}
				else if(interface == 2)
				{
					SMG_Display_Time2();
				}
				else if(interface == 3)
				{
					SMG_Display_Set_Temperature();
				}
			}
			if(interface == 3)
			{
				Set_T++;
			}
			
		}
	}
}


//定时器初始化
void Init_Timer(void)
{
	TMOD = 0x01;
	TH0 = (65535-10000)/256;//10ms
	TL0 = (65535-10000)%256;
	ET0 = 1;
	TR0 = 1;
	EA  = 1;
}


//系统初始化
void Init_System(void)
{
	Init_74HC138(0);
	Controal_All_SMG(0xff);
	P0 = 0xff;
	Init_74HC138(4);
	P0 = 0x00;
	Init_74HC138(5);
}


//主函数
void main(void)
{
	Init_System();
	Init_Timer();
	Write_DS1302_Data();
	while(1)
	{
		Read_Temperature();
		delay(200);
		Read_DS1302_Data();
		Matrix_KEY_Scan();
		switch(interface)
		{
			case 1:SMG_Display_Temperature();break;
			case 2:SMG_Display_Time2();break;
			case 3:SMG_Display_Set_Temperature();break;
			default:break;
		}	

		
		//温度控制模式
		if(work_mode == 1)
		{
			//L2亮温度模式指示灯 1111 1101
			led_status =  0xFD;
			P0 = led_status;
			Init_74HC138(4);
			if(Real_T/10 > Set_T)
			{
				//继电器吸合
				P0 = 0x10;  //0001 0000
				relay_flag = 1; 
			}
			else
			{
				//继电器断开
				P0 = 0x00;
				relay_flag = 0; 
			}
			Init_74HC138(5);
			
		}
		//时间控制模式
		else if(work_mode == 2)
		{
			P0 =  0xFF;
			Init_74HC138(4);
			//整点继电器吸合  5s后断开
			if((Init_DS1302_Clock[0]/16 + Init_DS1302_Clock[0]%16) == 0 && (Init_DS1302_Clock[1]/16 + Init_DS1302_Clock[1]%16)  == 0 && Init_DS1302_Clock[2] != 0)
			{
				clock_flag = 1; //时间整点标志
			}
			if(clock_flag == 1)
			{
				if(time_5s_flag == 0)
				{
	
					P0 = 0xfe;// 1111 1110
					Init_74HC138(4);
									//继电器吸合
					P0 = 0x10;  //0001 0000
					relay_flag = 1; 
					Init_74HC138(5);
				}
				else
				{
					P0 = 0XFF;// 1111 1110
					Init_74HC138(4);
					P0 = 0x00;// 1111 1110
					relay_flag = 0; 
					Init_74HC138(5);
				}
				
			}
		}
		
		if(relay_flag == 1)
		{
			if(L3_flag == 1)
			{
				L3_flag = 0;
				//L3 1111 1011
				
				P0 = 0xfb;
				Init_74HC138(4);
			}
			else
			{
				P0 = 0xFF;
				Init_74HC138(4);
			}
		}
	}
}

void Timer0_Server() interrupt 1
{
	static unsigned int t = 0,s = 0;
	TH0 = (65535-10000)/256;//10ms
	TL0 = (65535-10000)%256;
	if(work_mode == 2 && clock_flag == 1)
	{
		t++;
		if(t >500)  // >5s
		{
			t = 0;
			time_5s_flag = 1;
		}
	}
	s++;
	if(s == 10)
	{
		s = 0;
		L3_flag = 1;
	}
}