蓝桥杯单片机第八届省赛——源码及设计思路

距离蓝桥杯省赛还有10天，要抓紧练习了，不知道是这一届简单还是自己厉害了的原因，用了一天就做出来了，还是叫大佬帮了一个小忙，时间也不少，还能再做几届。废话不多说，先看原题请添加图片描述
MAIN.C

#include<reg51.h>
#include<onewire.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
	
sfr AUXR = 0x8e; 
sfr T2H = 0xD6;	 
sfr T2L = 0xD7;	 
sfr IE2 = 0xAF;	

sbit R1=P3^0;//第一排初始化（如果跳线帽模式是BTN，则只有最左侧一列能用）
sbit R2=P3^1;//第二排初始化
sbit R3=P3^2;//第三排初始化
sbit R4=P3^3;//第四排初始化

sbit DQ = P1^4; 

////////////////////////////0    1     2     3    4    5    6   7    8    9    -     全灭
unsigned char code shuzi[]={0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90,0xbf,0xff};
/////////////////////////// A     b   C     d    E    F    H   L     P    U   n
unsigned char code zimu[]={0x88,0x83,0xc6,0xa1,0x86,0x8e,0x89,0xc7,0x8c,0xc1,0xc8};
////////////////////////////  0     1     2    3    4    5    6    7   
unsigned char code weizhi[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00};
//////////////////////////   1    2   3    4    5    6    7    8    灭
unsigned char ledweizhi[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff};

int temp;
uchar shi;
uchar ge;
int temp2;
unsigned char count_c=0;
unsigned char second=50;
unsigned char minute=59;
unsigned char hour=23;
uchar count_b=0;
//时钟设置
uchar hour_p;
uchar minute_p;
uchar second_p;
//闹钟设置
uchar hour_n=0;
uchar minute_n=0;
uchar second_n=0;

uchar mode_smg=0;
uchar mode_f=0;
uchar mode_e;
//闹钟计数
uchar count_a;
uchar mode_alarm=0;
uchar alarm_num=0;
void Scan_S7();
void alarm();
void shumaguan_shuzi();
void delay_ms(int ms)
{
 int q,w;
 for(q = 0;q<ms;q++){
  for(w=845;w>0;w--);
 }
}
void shumaguan_shuzi(uchar a,uchar b)
{
	delay_ms(1);
	P2=(P2&0X1f)|0xC0;P0=weizhi[a];
	P2=(P2&0X1f)|0xE0;P0=shuzi[b];
	delay_ms(1);
}
//数码管字母显示
void shumaguan_zimu(uchar a,uchar b)
{
	delay_ms(1);
	P2=(P2&0X1f)|0xC0;P0=weizhi[a];
	P2=(P2&0X1f)|0xE0;P0=zimu[b];
	delay_ms(1);
}
void ledlight(uchar x)
{
	P2=(P2&0X1f)|0x80;
	P0=ledweizhi[x];
}
void Init_Keys()
{
	R1=R2=R3=R4=1;
}
void cls_buzz(void)
{
	P2 = (P2&0x1F|0xA0);
	P0 = 0x00;
	P2 &= 0x1F;
}
void Init_timer0()      
{
	TMOD = 0x01;      
	TH0 = (65535 - 50000) / 256;    
	TL0 = (65535 - 50000) % 256;	
	EA  = 1;     
	ET0 = 1;     
	TR0 = 1;     
}
void Service_timer0() interrupt 1//定时器0
{
	TH0 = (65535 - 50000) / 256;    
	TL0 = (65535 - 50000) % 256;	
	count_c++;
	if(count_c == 20)   
	{
		second++;
		count_c = 0;
	}	
	if(second == 60)
	{
		minute++;
		second=0;
	}
	if(minute==60)
	{
		hour++;
		minute=0;
		if(hour==24) hour=0;
	}
}
void Timer1(void)    //定时模式 
{     
    TMOD &= 0x0F;        
    TL1 = (65535-1000)%256;      
    TH1 = (65535-1000)/256;        
    TF1 = 0;       
    TR1 = 0;        
    ET1 = 1;
}
void Timer1_Service() interrupt 3//定时器1的定时模式
{
	count_a++;
	if(count_a==200)
	{
		count_a=0;
		alarm_num++;
		if(mode_alarm==0)
		{
			mode_alarm=1;
		}
		else if(mode_alarm==1)
		{
			mode_alarm=0;
		}
	}
}
void led_blink()
{
	if(mode_alarm==1)
	{
		ledlight(0);
	}
	if(mode_alarm==0)
	{
		P2=0x80;
		P0=0xff;
	}
	if(R1==0||R2==0||R3==0||R4==0)
	{
		P2=0x80;
		P0=0x00;
		TR1=0;
		count_a=0;
		alarm_num=0;
		mode_alarm=0;
	}
	if(alarm_num==25)
	{
		TR1=0;
		count_a=0;
		alarm_num=0;
		mode_alarm=0;
	}
}
void Timer2(void)
{
	T2H = (65535-50000)/256;
	T2L = (65535-50000)%256;
	EA = 1;
	IE2 |=0x04;   
	AUXR|=0x10;   
}
void Timer2_Service() interrupt 12//定时器2的定时模式
{
	
	count_b++;
	if(count_b==20)
	{
		count_b=0;
		if(mode_smg==0)
		{
			mode_smg=1;
		}
		else if(mode_smg==1)
		{
			mode_smg=0;
		}
	}
}
void display_clock()
{
	shumaguan_shuzi(0,hour/10);
	shumaguan_shuzi(1,hour%10);
	shumaguan_shuzi(2,10);
	shumaguan_shuzi(3,minute/10);
	shumaguan_shuzi(4,minute%10);
	shumaguan_shuzi(5,10);
	shumaguan_shuzi(6,second/10);
	shumaguan_shuzi(7,second%10);
	alarm();
	led_blink();
	while(R4==0)
	{
		shumaguan_shuzi(5,shi);
		shumaguan_shuzi(6,ge);
		shumaguan_zimu(7,2);
	}
}
void hour_blink()
{
		mode_e=1;
	if(mode_f==1)
	{
		if(mode_smg==1)
		{
			shumaguan_shuzi(0,hour_p/10);
			shumaguan_shuzi(1,hour_p%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_p/10);
			shumaguan_shuzi(4,minute_p%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_p/10);
			shumaguan_shuzi(7,second_p%10);
		}
		if(mode_smg==0)
		{
			shumaguan_shuzi(0,11);
			shumaguan_shuzi(1,11);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_p/10);
			shumaguan_shuzi(4,minute_p%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_p/10);
			shumaguan_shuzi(7,second_p%10);
		}
	}
	if(mode_f==2)
	{
			if(mode_smg==1)
		{
			shumaguan_shuzi(0,hour_n/10);
			shumaguan_shuzi(1,hour_n%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_n/10);
			shumaguan_shuzi(4,minute_n%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_n/10);
			shumaguan_shuzi(7,second_n%10);
		}
		if(mode_smg==0)
		{
			shumaguan_shuzi(0,11);
			shumaguan_shuzi(1,11);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_n/10);
			shumaguan_shuzi(4,minute_n%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_n/10);
			shumaguan_shuzi(7,second_n%10);
		}
	}


}
void minute_blink()
{
	mode_e=2;
	if(mode_f==1)
	{
	if(mode_smg==1)
		{
			shumaguan_shuzi(0,hour_p/10);
			shumaguan_shuzi(1,hour_p%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_p/10);
			shumaguan_shuzi(4,minute_p%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_p/10);
			shumaguan_shuzi(7,second_p%10);
		}
		if(mode_smg==0)
		{
			shumaguan_shuzi(0,hour_p/10);
			shumaguan_shuzi(1,hour_p%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,11);
			shumaguan_shuzi(4,11);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_p/10);
			shumaguan_shuzi(7,second_p%10);
		}
	}
	if(mode_f==2)
	{
		if(mode_smg==1)
		{
			shumaguan_shuzi(0,hour_n/10);
			shumaguan_shuzi(1,hour_n%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_n/10);
			shumaguan_shuzi(4,minute_n%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_n/10);
			shumaguan_shuzi(7,second_n%10);
		}
		if(mode_smg==0)
		{
			shumaguan_shuzi(0,hour_n/10);
			shumaguan_shuzi(1,hour_n%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,11);
			shumaguan_shuzi(4,11);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_n/10);
			shumaguan_shuzi(7,second_n%10);
		}
	}
}
void second_blink()
{
	mode_e=3;
	if(mode_f==1)
	{
	if(mode_smg==1)
		{
			shumaguan_shuzi(0,hour_p/10);
			shumaguan_shuzi(1,hour_p%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_p/10);
			shumaguan_shuzi(4,minute_p%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_p/10);
			shumaguan_shuzi(7,second_p%10);
		}
		if(mode_smg==0)
		{
			shumaguan_shuzi(0,hour_p/10);
			shumaguan_shuzi(1,hour_p%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_p/10);
			shumaguan_shuzi(4,minute_p%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,11);
			shumaguan_shuzi(7,11);
		}
	}
	if(mode_f==2)
	{
		if(mode_smg==1)
		{
			shumaguan_shuzi(0,hour_n/10);
			shumaguan_shuzi(1,hour_n%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_n/10);
			shumaguan_shuzi(4,minute_n%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,second_n/10);
			shumaguan_shuzi(7,second_n%10);
		}
		if(mode_smg==0)
		{
			shumaguan_shuzi(0,hour_n/10);
			shumaguan_shuzi(1,hour_n%10);
			shumaguan_shuzi(2,10);
			shumaguan_shuzi(3,minute_n/10);
			shumaguan_shuzi(4,minute_n%10);
			shumaguan_shuzi(5,10);
			shumaguan_shuzi(6,11);
			shumaguan_shuzi(7,11);
		}
	}
}

void temperature_get()
{
	uchar high,low;
	init_ds18b20();
	Write_DS18B20(0xcc);
	Write_DS18B20(0x44);

	
	
  init_ds18b20();
	Write_DS18B20(0xcc);
	Write_DS18B20(0xbe);
	low=Read_DS18B20();
	high=Read_DS18B20();
	
	
	temp=((high<<4)|(low>>4));//不带小数点
	//temp2=low&0x0f*100/16;//取小数点两位
	shi=temp%100/10;
	ge=temp%10;
}
void display_temp()
{
		while(R4==0)
	{
		shumaguan_shuzi(5,shi);
		shumaguan_shuzi(6,ge);
		shumaguan_zimu(7,2);
	}
}
void alarm()
{
	if(hour==hour_n&&minute==minute_n&&second==second_n)
	{
		P2=(P2&0X1f)|0x80;
		P0=0xff;
		TR1=1;
	}
	
}
void Scan_S5()
{
	if(mode_f==1)
	{
		if(R3==0)
		{
			while(R3==0);
			if(mode_e==1)
			{
				hour_p++;
				if(hour_p==24) {hour_p=0;}

			}
			else if(mode_e==2)
			{
				minute_p++;
				if(minute_p==60) {minute_p=0;}
			}
			else if(mode_e==3)
			{
				second_p++;
				if(second_p==60) {second_p=0;}
		
			}
		}
	}
	if(mode_f==2)
	{
		if(R3==0)
		{
			while(R3==0);
			if(mode_e==1)
			{
				hour_n++;
				if(hour_n==24) {hour_n=0;}

			}
			else if(mode_e==2)
			{
				minute_n++;
				if(minute_n==60) {minute_n=0;}
			}
			else if(mode_e==3)
			{
				second_n++;
				if(second_n==60) {second_n=0;}
			}
		}
	}
}
void Scan_S4()
{
	if(mode_f==1)
	{
		if(R4==0)
		{
			while(R4==0);
			if(mode_e==1)
			{
				hour_p--;
				if(hour_p==0) {hour_p=24;}
			}
			else if(mode_e==2)
			{
				minute_p--;
				if(minute_p==0) {minute_p=60;}
			}
			else if(mode_e==3)
			{
				second_p--;
				if(second_p==0) {second_p=60;}
			}
		}
	}
	if(mode_f==2)
	{
		if(R4==0)
		{
			while(R4==0);
			if(mode_e==1)
			{
				hour_n--;
				if(hour_n==0) {hour_n=24;}
			}
			else if(mode_e==2)
			{
				minute_n--;
				if(minute_n==0) {minute_n=60;}
			}
			else if(mode_e==3)
			{
				second_n--;
				if(second_n==0) {second_n=60;}
			}
		}
	}
	
}
void Scan_S6()
{
	mode_f=2;
	if(R2==0)
	{
		while(R2==0);
		hour_n=hour;
		minute_n=minute;
		second_n=second;
		Timer2();
		while(1)
		{
		hour_blink();
			Scan_S5();
			Scan_S4();
		if(R2==0)
		{
			while(R2==0) minute_blink();
			while(1)
			{
				minute_blink();
				Scan_S5();
				Scan_S4();
				if(R2==0)
				{
					while(R2==0)second_blink();
					while(1)
					{
						second_blink();
						Scan_S5();
						Scan_S4();
						if(R2==0)
						{
							while(R2==0)
							{								
								display_clock();
							}
							while(1)
							{
								display_clock();
								Scan_S6();
								Scan_S7();
							}
						}
					}
				}
			}
		}
	}	
}
}
void Scan_S7()
{
	uchar mode_s7=0;
	mode_f=1;
	if(R1==0)
	{
		while(R1==0);
		mode_s7++;
		hour_p=hour;
		minute_p=minute;
		second_p=second;
		Timer2();
		while(1)
		{
		hour_blink();
			Scan_S5();
			Scan_S4();
		if(R1==0)
		{
			while(R1==0) minute_blink();
			while(1)
			{
				minute_blink();
				Scan_S5();
				Scan_S4();
				if(R1==0)
				{
					while(R1==0)second_blink();
					while(1)
					{
						second_blink();
						Scan_S5();
						Scan_S4();
						if(R1==0)
						{
							while(R1==0)
							{								
								display_clock();
								hour=hour_p;
								minute=minute_p;
								second=second_p;
							}
							while(1)
							{
								display_clock();
								Scan_S7();
								Scan_S6();
							}
						}
					}
				}
			}
		}
		}
	}
}
void main()
{
	Timer1();
	Init_Keys();
	Init_timer0();
	cls_buzz();
	while(1)
	{
		Scan_S6();
		Scan_S7();
		display_clock();
		temperature_get();
		display_temp();
			
	}
}
设计思路，就是在做1s间隔的闪烁的时候，需要用到定时器，在做闹钟的触发响应时，也要用到定时器，考到定时器较多，我就定时器学得不好，但是总体来说还是很简单的