#include "IRIN.h"
#include "i2c.h"

uint journey;
uint journey1;
extern uchar pwm_left;
unsigned int b;
unsigned int c;
extern uint time1;
extern uchar pwm_val_left;
unsigned int b2;
unsigned int c2;

uint money=7;
uint sudu=0;

uint count=0;	  //栅格是一圈20个

uchar ms=0;
uint speed=0;
uint r_s=0;

bit state=0;
bit s0=0;
bit flas=0;

uchar sec=0;
uchar sec1=0;

/*******************************************************************************
* 函 数 名         : delay
* 函数功能		   : 延时函数，i=1时，大约延时10us
*******************************************************************************/
void delay11(int i)
{
	while(i--);	
}

void IRIN_Init(void)
{
	 TMOD=0x01 | 0x20 ;//定时器1工作方式1
   TH0=0x3C;
   TL0=0xb0;
   ET0=1;
   TR0=1;
   EA=1;
   EX1=1;
   IT1=1;
}

void display()
 {
  if(state==0) 
   {
		 sudu=At24c02Read(10);
		 if(money>7)
		 {
		   money=At24c02Read(5);
		 }
	   LcdSetCursor(0,0);
	   LcdShowStr(0,0,"Speed:");
	   Lcd1602_Write_Data(0x30+sudu/100%10);
	   Lcd1602_Write_Data(0x30+sudu/10%10);
	   Lcd1602_Write_Data(0x30+sudu%10);
	   LcdShowStr(10,0,"KM/h");
	   
		 LcdShowStr(0,1,"L:");
		 Lcd1602_Write_Data(journey/10000%10+0x30);
		 Lcd1602_Write_Data(journey/1000%10+0x30);
		 Lcd1602_Write_Data(journey/100%10+0x30);
		 Lcd1602_Write_Data(journey/10%10+0x30);
		 Lcd1602_Write_Data(journey%10+0x30);
		 LcdShowStr(7,1,"M");
		 
     if(journey>1000)
	    {
		  	money=(journey-1000)*0.002+7;
				At24c02Write(5,money);
      }
			money=money*10;
		  LcdShowStr(9,1,"Q:");
		 	Lcd1602_Write_Data(money/1000%10+0x30);
		  Lcd1602_Write_Data(money/100%10+0x30);
		  Lcd1602_Write_Data(money/10%10+0x30);
			LcdShowStr(14,1,".");
		  Lcd1602_Write_Data(money%10+0x30);
		  
		   money=money/10;
			
	  }
 }
 
 
 
 void keypros()
 {
	 	if(k2==0)
	{
		delay11(1000);  //消抖处理
		if(k2==0)
		{
			sudu=At24c02Read(10);	  //读取EEPROM地址1内的数据		
			
		  b2=At24c02Read(1);
	    c2=At24c02Read(8);
      journey=(b2<<8) | c2;
	  
			money=At24c02Read(5);
			
		}
		while(!k2);
	}
	
	if(k1==0)
	{
		delay11(1000);  //消抖处理
		if(k1==0)
		{
			flas=1;

		}
		while(!k1);
	}
	if(k4==0)
	{
		delay11(1000);  //消抖处理
		if(k4==0)
		{
			if(pwm_left>=20)
			{
				pwm_left=1;
			}
		  else
      {				
			pwm_left++;
			}
		}
		while(!k4);
	}
	
 }
 
 void time0() interrupt 1	 //定时器 0 
 {
   TH0=0x3C;
   TL0=0xb0;				 //50ms定时
   ms++;					   //变量50ms加一	
   if(ms%5==0)   s0=~s0;
	 
	 
   if(ms%10==0) 			 //500ms定时
    {
			
				if(sec!=0)  sec--;
				if(sec1!=0) sec1--;
				ms=0;					 //清零变量
				EX1=0;				 //关闭外部中断，保证变量在计算的时候不会增加
				r_s=count;			 //因为是500ms检测一次转动数据，所以要想一秒转动的圈数是 speed=count*2   ,但是光栅是一圈20格，所以还要除以20；
												 //综合一下，一秒转动的圈数就是  speed=count*2/20    ==》   speed=counr/10;
					count=0;		         //清零变量
				EX1=1;				 //打开外部中断
				speed=speed*0.5+(r_s*6)*0.5;          //	这里r_s是一秒走的圈数，然后乘以60得到60秒走的圈数，单位变成了   r/min；	 总方式  speed=count/10*60;  ==>> speed=count*6;
			  
			  if(flas==0)
				{
					sudu=(0.15*speed);
					At24c02Write(10,sudu);
					
					journey=journey+(r_s*2.5/20);
					journey1=journey;
					c = journey & 0x00FF;
					At24c02Write(8,c);
						
					delay11(1000); 
					b=journey1>>8;
					At24c02Write(1,b);
				}
				else
				{
					journey=0;
					money=7;				
					At24c02Write(1,journey);
					At24c02Write(8,journey);
					At24c02Write(5,money);
					flas=0;
				}
	}
}
 
void int1()  interrupt 2  //外部中断 1
 {
	 
   count++;				  //中断每触发一次，变量加一  
	 
 }