#include <reg52.h>
#include <intrins.h>
#include "delay.h"
#include "main.h"
#include "display.h"


void fresh_wave();

unsigned char digital=0;
unsigned char fresh_flag=0;
	
#ifdef MODE_1
void fresh_wave()
{
digital++;
P1=digital;
}
#endif
#ifdef MODE_2
unsigned char add_flag=0;
void fresh_wave()
{
	if(!add_flag)
		digital++;
	else
		digital--;
	if(digital==0&&add_flag)
		add_flag=0;
	else if(digital==255&&(!add_flag))
		add_flag=1;
	P1=digital;
}
#endif
#ifdef MODE_3
const unsigned char sine_var[]={128,136,143,151,159,167,174,182,189,196,202,209,215,220,226,231,235,239,243,246,249,251,253,254,255,255,255,254,253,251,249,246,243,239,235,231,226,220,215,209,202,196,189,182,174,167,159,151,143,136,128,119,112,104,96,88,81,73,66,59,53,46,40,35,29,24,20,16,12,9,6,4,2,1,0,0,0,1,2,4,6,9,12,16,20,24,29,35,40,46,53,59,66,73,81,88,96,104,112,119};
void fresh_wave()
{
	digital=sine_var[count%100];
	P1=digital;
}
#endif


void time() interrupt 1
{
	
	TH0 = TH;
  TL0 = TL+15;
	fresh_flag=1;
	#ifdef MODE_3
  count++;
	#endif
}


int main()
{
//P1 µÆ
  setConfig();
  while(1)
	{  
		if(fresh_flag==1)
		{
			fresh_flag=0;
			fresh_wave();
			set_display(digital);		
		}
#ifndef MODE_3
    fresh_display();
#endif
	}
}