/*
	功  能：AVR搖控器信號(hào)解碼測試程序
	文件名：main.c
	編  譯: WinAVR-20040720 	
	速  度：外部4MHz
	
	作  者：芯藝
	EMAIL ：changfutong@sina.com
	
	更改記錄：
	2004-12-02       
*/


#include <avr/io.h>
//#include <avr/pgmspace.h>
#include <avr/signal.h>
#include <avr/interrupt.h>
#include <avr/delay.h>

#include "common.h"

uchar ReadIRCode(void);
void SetTimer(uchar sec);
uchar IsTimeOut(void);
void CloseTimer(void);

uchar g_aFlag[2]={0,0};
uchar g_bMode=1;

void DelayMs(uint t)
{
	uint j;
	for(j=0;j<t;j++)
		_delay_loop_2(250 *4);
}

//讀鎖鍵用代碼
uchar ReadLockCommand(uchar nothis)
{
	uchar j;
	//兩秒內(nèi)無按鍵則取消
	SetTimer(2);
	while(1)
	{
		j=0;
		if(IsTimeOut())
			break;
		if((IRPIN&_BV(IRBIT))==_BV(IRBIT))
			continue;
		//延時(shí)消抖
		_delay_loop_2(100);
		if((IRPIN&_BV(IRBIT))==_BV(IRBIT))
			continue;
		
		CloseTimer();
		j=ReadIRCode();
		if(j==nothis)
		{
			SetTimer(2);
			continue;
		}
		break;
	}
	CloseTimer();
	return j;
}

//測試主程序
int main(void)
{
	uchar i;
	
	DDRC=_BV(PC5)|_BV(PC4);
	DDRD=_BV(PD7)|_BV(PD3);
	DDRB=_BV(PB0);
	
	PORTD|=_BV(PD7)|_BV(PD3);
	PORTB|=_BV(PB0);
	PORTC=0;

	CLR_RED_LED;
	CLR_YEL_LED;
	SET_GRN_LED;
	
	DelayMs(1000);
	
	CLR_RED_LED;
	CLR_YEL_LED;
	SET_GRN_LED;	

	sei();
		
	while(1)
	{
		if((IRPIN&_BV(IRBIT))==_BV(IRBIT))
			continue;
		//延時(shí)消抖
		_delay_loop_2(100);
		if((IRPIN&_BV(IRBIT))==_BV(IRBIT))
			continue;
		
		i=ReadIRCode();

		if(g_bMode)//如果在開鎖狀態(tài)
		{
			SET_GRN_LED;
			if(i==62)		//鍵1:繼電器1開關(guān)，紅燈指示
			{
				if(g_aFlag[0])
				{
					CLR_RED_LED;
					g_aFlag[0]=0;
				}
				else
				{
					SET_RED_LED;
					g_aFlag[0]=1;
				}
				DelayMs(500);
			}
			else if(i==61) //鍵2:繼電器2開關(guān)，黃燈指示
			{
				if(g_aFlag[1])
				{
					CLR_YEL_LED;
					g_aFlag[1]=0;
				}
				else
				{
					SET_YEL_LED;
					g_aFlag[1]=1;
				}
				DelayMs(500);
			}
			else if(i==54)//鍵9、鎖鍵：連續(xù)按 9,6,3鍵
			{
				if(ReadLockCommand(54)==57)//鍵6
				{
					if(ReadLockCommand(57)==60)//鍵3
					{
						g_bMode=0;
						CLR_GRN_LED;
					}
				}
			}
		}
		else if(i==60)//鍵3 、開鎖：連續(xù)按 3,6,9鍵
		{
			if(ReadLockCommand(60)==57)//鍵6
			{
				if(ReadLockCommand(57)==54)//鍵9
				{
					g_bMode=1;
					SET_GRN_LED;
				}
			}
		}//mode
	}//while
}//main