#include "reg51.h"
#include "intrins.h"

sfr     P0M1    =   0x93;
sfr     P0M0    =   0x94;
sfr     P1M1    =   0x91;
sfr     P1M0    =   0x92;
sfr     P2M1    =   0x95;
sfr     P2M0    =   0x96;
sfr     P3M1    =   0xb1;
sfr     P3M0    =   0xb2;
sfr     P4M1    =   0xb3;
sfr     P4M0    =   0xb4;
sfr     P5M1    =   0xc9;
sfr     P5M0    =   0xca;
sfr     AUXR    =   0x8E;
sfr INTCLKO = 0x8f;
#define EX4 0x40


sbit 	LED1 = P3^2;
sbit 	LED2 = P3^3;
sbit 	LED5 = P3^1;
sbit 	IN_TOUCH = P3^0;

sfr 	P5   = 0xC8;
sbit 	LED3 = P5^4;
sbit 	LED4 = P5^5;


#define IDL             0x01                    //PCON.0
#define PD              0x02                    //PCON.1

char flag_mode[5]={0};
char mode=0;
char run_flag=1;
int cnt=0;
int cnt_t=0;
int i=0;
int n=1;
int time_ms;
int pwm_change_time=0;
void LEDn_No(int LED_n);
void LEDn_Off(int LED_n);
void LED_PWM_Set(int LED_n,int PWM_Percentage);
void light_mode_1(void)	;


void TM0_Isr() interrupt 1
{ 

	if(flag_mode[1]==1) //模式1 
	{
	cnt++; 
	time_ms=1500;//1.5s亮一个
	if(cnt>100)											
	{
	cnt=0;
	pwm_change_time++;
	}
	if(n<=5)
	{
		if(pwm_change_time<(time_ms/10))
   		i=(int)(pwm_change_time/(time_ms/1000));
		switch(n)
	{
		case 1:LED_PWM_Set(1,i);break;
		case 2:LED_PWM_Set(1,100),LED_PWM_Set(2,i);break;
		case 3:LED_PWM_Set(1,100),LED_PWM_Set(2,100),LED_PWM_Set(3,i);break;
		case 4:LED_PWM_Set(1,100),LED_PWM_Set(2,100),LED_PWM_Set(3,100),LED_PWM_Set(4,i);break;
		case 5:LED_PWM_Set(1,100),LED_PWM_Set(2,100),LED_PWM_Set(3,100),LED_PWM_Set(4,100),LED_PWM_Set(5,i);break;
		default:break;
	}
	}
	if(n>5)
	{	if(pwm_change_time<(time_ms/10))
   		i=100-(int)(pwm_change_time/(time_ms/1000));
		switch(n)
	{
		case 6:LED_PWM_Set(5,i);break;
		case 7:LED_PWM_Set(5,0),LED_PWM_Set(4,i);break;
		case 8:LED_PWM_Set(5,0),LED_PWM_Set(4,0),LED_PWM_Set(3,i);break;
		case 9:LED_PWM_Set(5,0),LED_PWM_Set(4,0),LED_PWM_Set(3,0),LED_PWM_Set(2,i);break;
		case 10:LED_PWM_Set(5,0),LED_PWM_Set(4,0),LED_PWM_Set(3,0),LED_PWM_Set(2,0),LED_PWM_Set(1,i);break;
		default:break;
	}
	}


	if(pwm_change_time>(time_ms/10))
	{
	 pwm_change_time=0;
	 i=0;
	 n++;
	 }
	 if(n>10)
	 n=1;

 }




	if(flag_mode[2]==1) //模式2
	{
	time_ms=3000; //可设定几秒
	cnt++;
	if(cnt>100)											
	{
	cnt=0;
	pwm_change_time++;
	}
	if(pwm_change_time<(time_ms/10))
   	i=(int)(pwm_change_time/(time_ms/1000));
	if(pwm_change_time>=(time_ms/10))
   	i=200-(int)(pwm_change_time/(time_ms/1000));

	LED_PWM_Set(1,i);
	LED_PWM_Set(2,i);
	LED_PWM_Set(3,i);
	LED_PWM_Set(4,i);
	LED_PWM_Set(5,i);
	if(pwm_change_time>(time_ms/5))
	{
	 pwm_change_time=0;
	 i=0;
	 }
	}

	if(flag_mode[3]==1)	 //模式3
 {
	cnt++;
	time_ms=100;
	if(cnt>100)											
	{
	cnt=0;
	pwm_change_time++;
	}
	if(pwm_change_time<time_ms/10)
	{
	LED_PWM_Set(1,10);
	LED_PWM_Set(2,10);
	LED_PWM_Set(3,10);
	LED_PWM_Set(4,10);
	LED_PWM_Set(5,10);
	}
	else
	{
	LED_PWM_Set(1,0);
	LED_PWM_Set(2,0);
	LED_PWM_Set(3,0);
	LED_PWM_Set(4,0);
	LED_PWM_Set(5,0);
	}
	if(pwm_change_time>time_ms/5)
	 pwm_change_time=0;
 }

}


void Delay_500ms(void)	//@11.0592MHz  500ms
{
		unsigned char data i, j;

	_nop_();
	_nop_();
	i = 6;
	j = 93;
	do
	{
		while (--j);
	} while (--i);
}

void Delay2500ms(void)	//@11.0592MHz
{
	unsigned char data i, j, k;

	_nop_();
	_nop_();
	i = 106;
	j = 15;
	k = 131;
	do
	{
		do
		{
			while (--k);
		} while (--j);
	} while (--i);
}
//触摸检测中断
void INT4_Isr() interrupt 16
{	
		//1000微秒@11.0592MHz 启动定时器1
		if(run_flag==1)
		{
			if(IN_TOUCH==0)	  
	 		{Delay_500ms();
	 			if(IN_TOUCH==0)

					mode++;
							}	
		if(mode>6)
		mode=1;
		}

		if(run_flag==0)
		{
			if(IN_TOUCH==0)	
		  
	 	{
			Delay2500ms();
	 			if(IN_TOUCH==0)
			{
					run_flag=1;
					
					LED1=0;
					Delay_500ms();
					LED1=1;
					mode=1;
				}
		}
		}

}

void main()
{
	void LEDn_No(int LED_n);
	void LEDn_Off(int LED_n);
	void LED_PWM_Set(int LED_n,int PWM_Percentage);

    P3M0 = 0x00;
    P3M1 = 0x00;
    P5M0 = 0x00;
    P5M1 = 0x00;

	INTCLKO = EX4; //使能 INT4 中断


//定时器0用于pwm以及模式
    TMOD = 0x00;                                //模式0
	AUXR = 0x80;								 //1T模式
	TL0 = 0xAE;				//设置定时初始值  10khz T=100us
	TH0 = 0xFB;
    TR0 = 1;                                    //启动定时器
    ET0 = 1;                                    //使能定时器中断
 //定时器1用于计时
//   	AUXR |= 0x40;			//定时器时钟1T模式
//	TL1 = 0xCD;				//设置定时初始值 1ms
//	TH1 = 0xD4;				//设置定时初始值
//	TR1 = 1;				//定时器1开始计

//	ET1 = 1;
    EA = 1;

	LED1=1;
	LED2=1;
	LED3=1;
	LED4=1;
	LED5=1;
    while (1)
{	
//	if(run_flag==1)	
//	{

	switch(mode)
	{
	case 0:LED1=1,LED2=1,LED3=1,LED4=1,LED5=1; break;
	case 1:flag_mode[0]=0,flag_mode[1]=1,flag_mode[2]=0,flag_mode[3]=0,flag_mode[4]=0;TR0=1;break;
	case 2:flag_mode[0]=0,flag_mode[1]=0,flag_mode[2]=1,flag_mode[3]=0,flag_mode[4]=0;TR0=1;break;
	case 3:flag_mode[0]=0,flag_mode[1]=0,flag_mode[2]=0,flag_mode[3]=1,flag_mode[4]=0;TR0=1;break;
	case 4:flag_mode[0]=0,flag_mode[1]=0,flag_mode[2]=0,flag_mode[3]=0,flag_mode[4]=1,TR0=0;light_mode_1();break;
//	case 5:flag_mode[0]=0,flag_mode[1]=0,flag_mode[2]=0,flag_mode[3]=0,flag_mode[4]=1,TR0=0;light_mode_1();break;
	default: LED1=1,LED2=1,LED3=1,LED4=1,LED5=1,run_flag=0,cnt=0,n=0,PCON = PD;break;
			 
	 }
//}
				

 }



}



void LEDn_No(int LED_n)	 //led亮
{
	switch(LED_n)
	{	
		case 1:LED1=0;break;
		case 2:LED2=0;break;
		case 3:LED3=0;break;
		case 4:LED4=0;break;
		case 5:LED5=0;break;
		default:	  break;
	}
}

void LEDn_Off(int LED_n) //led灭
{
	switch(LED_n)
	{	
		case 1:LED1=1;break;
		case 2:LED2=1;break;
		case 3:LED3=1;break;
		case 4:LED4=1;break;
		case 5:LED5=1;break;
		default:	  break;
	}
}

void LED_PWM_Set(int LED_n,int PWM_Percentage)	//led的pwm占空比控制
{
	if(cnt<PWM_Percentage)	//0-100
	LEDn_No(LED_n);
	else
	LEDn_Off(LED_n);
//	if(cnt>100)											
//	{
//	cnt=0;
//	}

}

void light_mode_1(void)		 //常亮
{
	LED1=0,LED2=0,LED3=0,LED4=0,LED5=0;
}