/* 头文件申明*/
#include <STC15F2K60S2.H>
#include <Key.h>
#include <Seg.h>
#include <Led.h>
#include <Init.h>

/* 变量申明*/
unsigned char Key_Slow_Down;//按键减速变量
unsigned char Key_Val,Key_Old,Key_Down,Key_Up;
unsigned int Seg_Slow_Down;
unsigned char Seg_Pos;
unsigned char Seg_Buf[8]=
{
	16,16,16,16,16,16,16,16
};
unsigned char Seg_Point[8]=
{
	0,0,0,0,0,0,0,0
};
unsigned char ucLed[8]=
{
	1,0,0,0,0,0,0,0
};

unsigned char Seg_Show;

/* 处理函数（key,seg,led）*/
void Key_Proc()
{
	if(Key_Slow_Down) return;
	Key_Slow_Down = 1;
	
	Key_Val = Key_Read();
	Key_Down = Key_Val & (Key_Old ^ Key_Val);
	Key_Up = ~Key_Val & (Key_Old ^ Key_Val);
	Key_Old = Key_Val;
	
	if(Key_Down != 0)
	Seg_Show = Key_Down;
}

void Seg_Proc()
{
	if(Seg_Slow_Down) return;
	Seg_Slow_Down = 1;
	
	Seg_Buf[0] = Seg_Show /10 %10;
	Seg_Buf[1] = Seg_Show  %10;
}

void Led_Proc()
{
	
}

/* 定时器函数（初始化、中断函数）*/
void Timer0_Init(void)		//1毫秒@12.000MHz
{
	AUXR &= 0x7F;			//定时器时钟12T模式
	TMOD &= 0xF0;			//设置定时器模式
	TL0 = 0x18;				//设置定时初始值
	TH0 = 0xFC;				//设置定时初始值
	TF0 = 0;				//清除TF0标志
	TR0 = 1;				//定时器0开始计时
	ET0 = 1;
	EA = 1;
}

void Timer0_Server() interrupt 1
{
	if(++Key_Slow_Down == 10) Key_Slow_Down = 0;
	if(++Seg_Slow_Down == 500) Seg_Slow_Down = 0;
	if(++Seg_Pos == 8) Seg_Pos = 0;
	Seg_Disp(Seg_Pos,Seg_Buf[Seg_Pos],Seg_Point[Seg_Pos]);
	Led_Disp(Seg_Pos,ucLed[Seg_Pos]);
	
}
/* 主函数*/
void main()
{
	System_Init();
	Timer0_Init();
	while(1)
	{
		Key_Proc();
		Seg_Proc();
		Led_Proc();
	}
}