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

uint mileage = 0;

uint count=0;	  

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

extern uint model;
extern uchar set;

void delay11(int i)
{
	while(i--);	
}

void IRIN_Init(void)
{
   TMOD=0x01 | 0x20;
   TH0=0XFc;
   TL0=0X18;
   ET0=1;
   TR0=1;
   EA=1;
   EX1=1;
   IT1=1;
}

void display()
{
	LcdSetCursor(0,0);
	LcdShowStr(0,0,"");
	Lcd1602_Write_Data(0x30+speed/100%10);
	Lcd1602_Write_Data(0x30+speed/10%10);
	Lcd1602_Write_Data(0x30+speed%10);
	LcdShowStr(3,0,"KM/h ");
	
	LcdShowStr(8,0,"");
	Lcd1602_Write_Data(0x30+mileage/100%10);
	Lcd1602_Write_Data(0x30+mileage/10%10);
	Lcd1602_Write_Data(0x30+mileage%10);
	LcdShowStr(11,0,"m         ");
	
	if(model == 0) LcdShowStr(13,0," ");
	else if(model == 1) LcdShowStr(13, 0, "L");
	else if(model == 2) LcdShowStr(13, 0, "M");
	else LcdShowStr(13, 0, "H");
}


void Key_scan(){
	if(k1==0)
	{
		delay11(1000);  //消抖处理
		if(k1==0){
			model++;
			if(model >= 4) model = 0;
		}
		while(!k1);
	}
	
	if(k2==0)
	{
		delay11(1000);  //消抖处理
		if(k2==0){
			set = 1;
		}
		while(!k2);
	}

}

void time0() interrupt 1	
{
	static int time = 0;
	TH0=0XFc;
	TL0=0X18;
	time++;	
	pwm_out_right_moto();
	if(time >= 500){
		EX1=0;
		time = 0;		 
		r_s=count;			 						
		count=0;
		EX1=1;				
		speed=speed*0.5+(r_s*6)*0.5;         
		speed=(0.15*speed);
		mileage = mileage+(r_s*2.5/20);
	}
}

void int1() interrupt 2 
{
	count++;			
}