蓝桥杯单片机第九届

陪女朋友玩了三天，收心继续干。
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 code led_1_2[10]={0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff};//模式1和2led
u8 code led_3_4[6]={0xff,0x7e,0xbd,0xdb,0xe7,0xff};//模式3和4led
u8 cc_addr[4]={0x00,0x01,0x02,0x03};//时间存储地址
u16 yc_time[4];//4个模式延迟时间
u8 model=1;//按键模式
u8 mode=1;//LED模式
u8 stat=0;//切换数码管显示
u8 rank=0;//等级
u8 Ms_800=0;//0.8s标志
u8 led_flag=0;//led暂停和启动标志
u16 count=0;//0.8s变量
u8 count1=0;//数码管刷新变量
u16 count2=0;//LED延迟时间变量
u16 count3=0;//控制PWM输出变量
u8 count4=0;//LED位移变量
u8 dat=0;//LED当前状态
u8 pwm=0;//PWM值
u16 rb2_v=0;//电位器2的电压值

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

void Delay5ms()		
{
	unsigned char i, j;
	i = 59;
	j = 90;
	do
	{
		while (--j);
	} while (--i);
}

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;
		case 0:
			P2 = (P2 & 0x1f); 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_model_time()
{
	if(stat==1)
	{
		if(Ms_800==0)
		{
			Smg_display(0,duan[11]); delay(1000);
			Smg_display(1,duan[model]); delay(1000);
			Smg_display(2,duan[11]); delay(1000);
		}
		else
		{
			Smg_display(0,duan[10]); delay(1000);
			Smg_display(1,duan[10]); delay(1000);
			Smg_display(2,duan[10]); delay(1000);
		}
		Smg_display(3,duan[10]); delay(1000);
		if(yc_time[model-1]>999)
		{
			Smg_display(4,duan[yc_time[model-1]/1000]); delay(1000);
		}
		Smg_display(5,duan[(yc_time[model-1]/100)%10]); delay(1000);
		Smg_display(6,duan[(yc_time[model-1]/10)%10]); delay(1000);
		Smg_display(7,duan[yc_time[model-1]%10]); delay(1000);
		Close_smg();
	}
	else if(stat==2)
	{
		
		Smg_display(0,duan[11]); delay(1000);
		Smg_display(1,duan[model]); delay(1000);
		Smg_display(2,duan[11]); delay(1000);
		Smg_display(3,duan[10]); delay(1000);
		if(Ms_800==0)
		{
			if(yc_time[model-1]>999)
			{
				Smg_display(4,duan[yc_time[model-1]/1000]); delay(1000);
			}
			Smg_display(5,duan[(yc_time[model-1]/100)%10]); delay(1000);
			Smg_display(6,duan[(yc_time[model-1]/10)%10]); delay(1000);
			Smg_display(7,duan[yc_time[model-1]%10]); delay(1000);
			Close_smg();
		}
		else
		{
			Smg_display(4,duan[10]); delay(1000);
			Smg_display(5,duan[10]); delay(1000);
			Smg_display(6,duan[10]); delay(1000);
			Smg_display(7,duan[10]); delay(1000);
			Close_smg();
		}
	}
	else if(stat==0&&S4==0)
	{
		Smg_display(0,duan[10]); 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[10]); delay(1000);
		Smg_display(6,duan[11]); delay(1000);
		Smg_display(7,duan[rank%10]); delay(1000);
		Close_smg();
	}
} 

void Key_Down()
{
	if(S7==0)
	{
		delay(100);
		if(S7==0)
		{
			while(S7==0) {Display_model_time();}
			if(led_flag==0) {led_flag=1;}
			else if(led_flag==1) {led_flag=0;}
		}
	}
	else if(S6==0)
	{
		delay(100);
		if(S6==0)
		{
			while(S6==0) {Display_model_time();}
			stat++;
			if(stat==3)
			{	
				wire_eeprom(cc_addr[model-1],yc_time[model-1]/10);Delay5ms();
				stat=0;
			}
		}
	}
	else if(S5==0)
	{
		delay(100);
		if(S5==0)
		{
			while(S5==0) {Display_model_time();}
			if(stat==1) 
			{ 
				model++;
				if(model>=4) {model=4;}
			}
			else if(stat==2) 
			{ 
				yc_time[model-1] += 100;
				if(yc_time[model-1]>=1200) {yc_time[model-1]=1200;}
			}
		}
	}
	else if(S4==0)
	{
		delay(100);
		if(S4==0)
		{
			while(S4==0) {}
			if(stat==1) 
			{ 
				model--;
				if(model<=1) {model=1;}
			}
			else if(stat==2) 
			{ 
				yc_time[model-1] -= 100;
				if(yc_time[model-1]<=400) {yc_time[model-1]=400;}
			}
		}
	}
}

void PCF8591()
{
	rb2_v=pcf8591_read(3)/0.51;
	if(rb2_v<125)
	{
		rank=1; pwm=5;
	}
	else if(rb2_v>=125&&rb2_v<250)
	{
		rank=2; pwm=10;
	}
	else if(rb2_v>=250&&rb2_v<375)
	{
		rank=3; pwm=15;
	}
	else if(rb2_v>=375)
	{
		rank=4; pwm=20;
	}
}

void Timer0Init(void);
void main()
{
	u8 i=0,j=0;
	Init_system();
	Timer0Init();
	for(i=0;i<4;i++)
	{
		yc_time[i]=eeprom_read(cc_addr[i])*10;
		Delay5ms();
	}
	for(j=0;j<4;j++)
	{
		if(yc_time[i]<=400||yc_time[i]>=1200)
		{
			yc_time[i]=400;
		}
	}
	while(1)
	{
		PCF8591();
		Key_Down();
	}
}

void Timer0Init(void)
{
	TMOD=0x01;
	TH0= (65535-1000) /256;
	TL0= (65535-1000) %256;
	ET0=1; 
	TR0=1;
	EA=1;
}

void Service_T0() interrupt 1
{
	TH0= (65535-1000)/256;
	TL0= (65535-1000)%256;
	count++;
	count1++;
	count2++;
	count3++;
	if(count==800)
	{
		Ms_800=~Ms_800;
		count=0;
	}
	if(count1==10)
	{
		count1=0;
		Display_model_time();
	}
	if(count2==yc_time[mode-1])
	{
		count2=0;
		if(led_flag==1)
		{
			if(mode==1){count4++;if(count4>=9){count4=0;mode=2;}}
			else if(mode==2){count4++;if(count4>=9){count4=0;mode=3;}}
			else if(mode==3){count4++;if(count4>=5){count4=0;mode=4;}}
			else if(mode==4){count4++;if(count4>=5){count4=0;mode=1;}}	
		}
	}
	if(count3<=pwm)																						
	{
		Chan_hc573(4);
		P0=dat;
		Chan_hc573(0);
	}
	else if(count3<20) 
	{
		Chan_hc573(4);
		P0=0xff;
		Chan_hc573(0);
	}
	else
	{ 
		Chan_hc573(4);
		P0=dat;
		Chan_hc573(0);
		if(mode==1)
		{
			dat=led_1_2[count4];
		}
		else if(mode==2)
		{
			dat=led_1_2[9-count4];
		}
		else if(mode==3)
		{
			dat=led_3_4[count4];
		}
		else if(mode==4)
		{
			dat=led_3_4[5-count4];
		} 
		count3=0;
	}
}