[嵌入式]蓝桥杯单片机第十届

全部文件：提取码：azxy

#include "STC15F2K60S2.h"
#include "intrins.h"
#include "iic.h"
typedef unsigned char u8;
typedef unsigned int u16;

sbit S4=P3^3;
sbit S5=P3^2;
sbit S6=P3^1;
sbit S7=P3^0;

//					0	 1	  2	   3    4    5    6    7    8    9  
u8 code duan[12]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0xbf};

u8 model=1;
u8 stat=1;
u8 led_flag=0;
u8 smg_flag=0;
u16 Hz=0;
u16 Rb2_V=0;
u16 pl=0;
u8 count=0;

void delay(u16 i)
{
	while(i--);
}

void Timer0Init(void)		
{		
	TMOD = 0x16;		
	TL0 = 0xff;		
	TH0 = 0xff;	
	TL1 = (65535-5000+1)/256;
	TH1 = (65535-5000+1)%256;
	TR0 = 1;	
	TR1 = 1;
	ET0 = 1;
	ET1 = 1;
	EA = 1;
}

void Service_T0() interrupt 1
{
	pl++;
}

void Service_T1() interrupt 3
{
	TL1=(65535-5000+1)/256;
	TH1=(65535-5000+1)%256;
	count++;
	if(count==200)
	{
		Hz=pl;
		pl=0;
		count=0;
	}
}

void Chan_hc573(chose)
{
	switch(chose)
	{
		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;
	}
}

void Init_system()
{
	Chan_hc573(5);
	P0=0x00;
	Chan_hc573(4);
	P0=0xff;
}

void Smg_display(u8 com,u8 dat)
{
	Chan_hc573(7);
	P0=0xff;
	Chan_hc573(6);
	P0=0x01<<com;
	Chan_hc573(7);
	P0=dat;
}

void Close_smg()
{
	Chan_hc573(6);
	P0=0x00;
	Chan_hc573(7);
	P0=0xff;
}

void Display_F_U()
{
	if(model==2)
	{
		Smg_display(0,0x8e); delay(1000);
		Smg_display(1,duan[10]); delay(1000);
		if(Hz>99999)
		{
			Smg_display(2,duan[Hz/10000]); delay(1000);
		}
		if(Hz>9999)
		{
			Smg_display(3,duan[(Hz/10000)%10]); delay(1000);
		}
		if(Hz>999)
		{
			Smg_display(4,duan[(Hz/1000)%10]); delay(1000);
		}
		if(Hz>99)
		{
			Smg_display(5,duan[(Hz/100)%10]); delay(1000);
		}
		if(Hz>9)
		{
			Smg_display(6,duan[(Hz/10)%10]); delay(1000);
		}
		Smg_display(7,duan[Hz%10]); delay(1000);
		Close_smg();
	}
	else if(model==1)
	{
		Smg_display(0,0xc1); delay(1000);
		Smg_display(1,duan[10]); delay(1000);
		Smg_display(2,duan[10]); delay(1000);
		Smg_display(3,duan[10]); delay(1000);
		Smg_display(4,duan[10]); delay(1000);
		Smg_display(5,duan[(Rb2_V/100)%10]+0x80); delay(1000);
		Smg_display(6,duan[(Rb2_V/10)%10]); delay(1000);
		Smg_display(7,duan[Rb2_V%10]); delay(1000);
		Close_smg();
	}
}

void Key_Down()
{
	if(S4==0)
	{
		delay(100);
		if(S4==0)
		{
			while(S4==0);
			model++;
			if(model==3) {model=1;}
		}
	}
	if(S5==0)
	{
		delay(100);
		if(S5==0)
		{
			while(S5==0);
			stat++;
			if(stat==3) {stat=1;}
		}
	}
	if(S6==0)
	{
		delay(100);
		if(S6==0)
		{
			while(S6==0);
			led_flag=~led_flag;
		}
	}
	if(S7==0)
	{
		delay(100);
		if(S7==0)
		{
			while(S7==0);
			smg_flag=~smg_flag;
		}
	}
}

void LED()
{
	Chan_hc573(4);
	if(model==1)
	{
		P00=0;
	}
	else if(model==2)
	{
		P01=0;
	}
	if(stat==2)
	{
		if(Rb2_V<150)
		{
			P02=1;
		}
		else if(Rb2_V>=150&&Rb2_V<250)
		{
			P02=0;
		}
		else if(Rb2_V>=250&&Rb2_V<350)
		{
			P02=1;
		}
		else if(Rb2_V>=350)
		{
			P02=0;
		}
	}
	if(Hz<1000)
	{
		P03=1;
	}
	else if(Hz>=1000&&Hz<5000)
	{
		P03=0;
	}
	else if(Hz>=5000&&Hz<10000)
	{
		P03=1;
	}
	else if(Hz>=10000)
	{
		P03=0;
	}
	
}

void Key_set_up()
{
	if(stat==1)
	{
		Rb2_V=200;
	}
	else
	{
		Rb2_V=read_pcf8591(3)/0.51;
	}
	if(smg_flag==0)
	{
		Display_F_U();
	}
	else
	{
		Close_smg();
	}
	if(led_flag==0)
	{
		LED();
	}
	else
	{
		Chan_hc573(4);
		P0=0xff;	
	}
}

void main()
{
	Init_system();
	Timer0Init();
	while(1)
	{
		Key_Down();
		Key_set_up();
	}
}