ledkey.c

RM0038红外传感器接收电视机摇控的源码

#include "LedKey.h"

xdata DWORD m_TickCount = 0;
DWORD GetTickCount(){return m_TickCount;}

void Sleep(DWORD iMilliseconds)
{
	DWORD TickCount = GetTickCount();
	while((GetTickCount() - TickCount) < iMilliseconds)
	{
		//WDT_CONTR = 0x3C; //复位看门狗
	}
}

//数码管显示娩冲区
uchar xdata g_led_buf1[8] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
uchar xdata g_led_buf2[8] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};

// 这里定义的是数码管对应的字符字根
code uchar  disbuf_u[]={        
		0xC0,/*0*/
        0xF9,/*1*/
        0xA4,/*2*/
        0xB0,/*3*/
        0x99,/*4*/
        0x92,/*5*/
        0x82,/*6*/
        0xF8,/*7*/
        0x80,/*8*/
        0x90,/*9*/
        0x88,/*A*/
        0x83,/*b*/
        0xC6,/*C*/
        0xA7,/*c*/
        0xA1,/*d*/
        0x86,/*E*/
        0x8E,/*F*/
        0x89,/*H*/
        0x8B,/*h*/
        0xC7,/*L*/
        0xAB,/*n*/
        0xC8,/*N*/
        0xA3,/*o*/
        0x8C,/*P*/
        0xAF,/*r*/
        0x87,/*t*/
        0xC1,/*U*/
        0xBF,/*-*/
};

#define StateIO StateIO_1
#define bSerialRSLed bSerialRSLed_1

char bdata OutIO _at_ 0x21;
char bdata InIO = 0;
char bdata StateIO _at_ 0x20;

sbit bSerialRSLed = StateIO^7;
uchar xdata bSerialRSLedDelay = 0;
sbit BeepIO = P4^3;

#define Refurbish(x) x = 1;x = 0;
#define GledIO P2_2
#define Led1IO P2_0
#define Led2IO P2_1

uchar xdata g_LedOn = 0;

//-----------beep------------
int xdata m_OpenDelay = 0;
int xdata m_CloseDelay = 0;
//延时多久执行
int xdata m_BeepDelay = 0;
char xdata m_Times = 0;
int xdata m_beep = 0;

//Key--------------------------
xdata uchar key;
xdata uchar Prvkey;
xdata uint keycount = 0;
xdata uchar keybuf[6];
xdata uchar KeyPos = 0;

void AddKey(uchar ukey)
{
	if(KeyPos < 5)
	{
		keybuf[KeyPos++] = ukey;
		Beep(30, 0, 1, 0);
	}else
		Beep(20, 20, 3, 0);
}

uchar GetKey(void)
{
	if(KeyPos)
	{
		Beep(30, 0, 1, 0);
		return keybuf[--KeyPos];
	}
	return 0;
}
//---------------------------Key
uchar xdata m_uFlash = 0;//闪...
uchar xdata m_uFlashBit1 = 0;
uchar xdata m_uFlashBit2 = 0;
void SetLedFlash1(uchar uFlash)
{
	m_uFlashBit1 = uFlash;
}

void SetLedFlash2(uchar uFlash)
{
	m_uFlashBit2 = uFlash;
}

//数码管显示中断
void IntLed(void)
{
	P2_4 = 0;
	InIO = ~P0;
	P2_4 = 1;
	g_led_buf1[6] = ~OutIO;
	g_led_buf1[7] = ~InIO;
	g_led_buf2[7] = ~StateIO;
	P0 = ~OutIO;
	Refurbish(P2_5);
	//----------------------------------------
	P0 = 0xFF;
	Refurbish(Led1IO);
	Refurbish(Led2IO);
	P0 = ~(0x01 << g_LedOn);
	Refurbish(GledIO);

	if(g_LedOn < 6)
	{
		if((m_uFlashBit1&(0x20 >> g_LedOn))&&(m_uFlash < 125))
		{
			P0 = 0xFF;
		}else
		{
			if(g_led_buf1[g_LedOn] != 0xFF)
			{
				P0 = disbuf_u[g_led_buf1[g_LedOn]&0x7F];
				if(g_led_buf1[g_LedOn]&0x80)
					P0 &= 0x7F;
			}else P0 = 0xFF;
		}
	}else P0 = g_led_buf1[g_LedOn];
	Refurbish(Led1IO);
	if(g_LedOn < 7)
	{
		if((m_uFlashBit2&(0x40 >> g_LedOn))&&(m_uFlash < 125))
		{
			P0 = 0xFF;
		}else
		{
			if(g_led_buf2[g_LedOn] != 0xFF)
			{
				P0 = disbuf_u[g_led_buf2[g_LedOn]&0x7F];
				if(g_led_buf2[g_LedOn]&0x80)
					P0 &= 0x7F;
			}else P0 = 0xFF;
		}
	}else P0 = g_led_buf2[g_LedOn];
	Refurbish(Led2IO);

	g_LedOn++;
	if(g_LedOn > 8)
	{
		g_LedOn = 0;
		//--------------------
		if(bSerialRSLed)
		{
			bSerialRSLedDelay++;
			if(bSerialRSLedDelay > 2)
			{
				bSerialRSLed = bSerialRSLedDelay = 0;
			}
		}
		//--------------------
	}
	//---------键盘检测
	key = InIO;
	if(key)
	{
		if(Prvkey == key)
		{
			keycount++;
			if(keycount == 30)
			{
				//AddKey(Prvkey);
				if(KeyPos < 5)
				{
					keybuf[KeyPos++] = Prvkey;
					//Beep(30, 0, 1, 0);
				}//else
				//	Beep(20, 20, 3, 0);
			}
			if(keycount > 600)
			{
				keycount = 450;
				//AddKey(Prvkey);
				if(KeyPos < 5)
				{
					keybuf[KeyPos++] = Prvkey;
					//Beep(30, 0, 1, 0);
				}//else
				//	Beep(20, 20, 3, 0);
			}
		}
	}else
	{
		keycount = 0;
	}
	Prvkey = key;
	//----------------------
	//Beep-------------------------------
	if(m_BeepDelay <= 0)
	{
		if((m_Times != 0)&&(m_beep == 0))
		{
			if(m_Times%2)
			{
				m_beep = m_CloseDelay;
				BeepIO = 1;
			}else
			{
				m_beep = m_OpenDelay;
				BeepIO = 0;
			}
			if(m_Times > 0)
			{
				m_Times--;
			}else
			{
				if(m_Times == -1)
				{
					m_Times = -2;
				}else
				{
					m_Times = -1;
				}
			}
		}
		
		if(m_beep > 0)
		{
			m_beep--;
		}
	}else
	{
		m_BeepDelay--;
	}
	//----------------------------------
	if(g_LedOn%2)m_uFlash++;
	m_TickCount++;
}

uchar xdata m_uPoint1 = 0;
uchar xdata m_uPoint2 = 0;

void SetPoint1(uchar uPoint)
{
	m_uPoint1 = uPoint;
}

void SetPoint2(uchar uPoint)
{
	m_uPoint2 = uPoint;
}

void ConvetLed(long lShowLed,uchar *p, uchar ws, uchar uPoint)
{
	uchar i = 0;
	bit fs = 0;
	bit fsfirst = 1;
	if(lShowLed < 0)
	{
		fs = 1;
		lShowLed *= -1;
	}
	for(i = 0; i < ws; i++)
	{
		if(lShowLed|| (uPoint >= i&& uPoint < ws))
		{
			p[ws-i-1] = lShowLed%10;
			if(uPoint&&(i == uPoint))
			{
				p[ws-i-1] |= 0x80;
			}
			lShowLed /= 10;
		}else
		{
			if(fs&&fsfirst)
			{
				fsfirst = 0;
				p[ws-i-1] = 27;
			}else
			{
				p[ws-i-1] = 0xFF;
			}
		}
	}
}

void ConvetLed1(long lShowLed)
{
	ConvetLed(lShowLed,g_led_buf1,6, m_uPoint1);
}

void ConvetLed2(long lShowLed)
{
	//ConvetLed(lShowLed,g_led_buf2, 7, m_uPoint2);
	ConvetLed(lShowLed,g_led_buf2+1, 6, m_uPoint2);
}

void LedCommand(uchar uStart, uchar ledbuf[], uchar *p, uchar uCount)
{
	uchar i;
	for(i = uStart; i < uStart + uCount; i++)
	{
		p[i] = ledbuf[i];
	}
}

void LedCommand1(uchar uStart, uchar ledbuf[], uchar uCount)
{
	LedCommand(	uStart, ledbuf, g_led_buf1, uCount);
}

void LedCommand2(uchar uStart, uchar ledbuf[], uchar uCount)
{
	LedCommand(	uStart, ledbuf, g_led_buf2, uCount);
}
//打开时间,关闭时间,次数,-1等于一直响着
void Beep(int OpenDelay,int CloseDelay, char Times, int BeepDelay)
{
	m_BeepDelay = BeepDelay;
	m_OpenDelay = OpenDelay;
	m_CloseDelay = CloseDelay;
	if(Times > 0)
	{
		m_Times = Times*2;
	}else if(Times == 0)
	{
		m_Times = 0;
		BeepIO = 1;
	}else
	{
		m_Times = -1;
	}
}