#include <STC89C516.H>#include "Rc632cv.h"#include "reader.h"#if 0//bit flag_keyon;		//有鍵未釋放static unsigned char  keydly=0;  //延時(shí)記數(shù)//=0xff 無(wú)鍵unsigned char get_key(){	unsigned char data ch,k;	P2 = 0x0F;	ch = P2 & 0x0F;	//檢測(cè)按鍵按下	while(1)	{		if (ch != 0x0F)		{			keydly ++;		}				else		{			return 0xff;		}						if (keydly > 100)		{			break;		}	}	//讀鍵值		while(1)	{		P2 = ~0x40;		ch = P2 & 0x0F;		if (ch != 0x0F)			{			ch |= 0x10;			break;		}		P2 = ~0x20;		ch = P2 & 0x0F;		if (ch != 0x0F)			{			ch |= 0x20;			break;		}		P2 = ~0x10;		ch = P2 & 0x0F;		if (ch != 0x0F)			{			ch |= 0x30;			break;		    		}				return 0xff;		}		// 等待按鍵彈起來(lái)	P2 = 0x0F;	k = P2 & 0x0F;	keydly=0;	while(1)	{		if (k == 0x0F)		{			keydly ++;		}				else		{			return 0xff;		}						if (keydly > 250)		{			break;		}	}		if      (ch == 0x1E)	ch = 0xa;	else if (ch == 0x2E)	ch = 0;	else if (ch == 0x3E)	ch = 0xb;	else if (ch == 0x37)	ch = 1;	else if (ch == 0x27)	ch = 2;	else if (ch == 0x17)	ch = 3;	else if (ch == 0x3B)	ch = 4;	else if (ch == 0x2B)	ch = 5;	else if (ch == 0x1B)	ch = 6;	else if (ch == 0x3D)	ch = 7;	else if (ch == 0x2D)	ch = 8;	else if (ch == 0x1D)	ch = 9;	else ch = 0xff;	return ch;}	unsigned char getkey(){	unsigned char code keycode[16]={'0','1','2','3',									'4','5','6','7',									'8','9','#','*',									'0','0','0','0'	};	unsigned char data k;							k=get_key();										if(k==0xff)		{		return 0;		}	k=keycode[k];	return k;}#elsebit flag_keyon;		//有鍵未釋放static unsigned char  keydly=0;  //延時(shí)記數(shù)unsigned char get_key(void){		unsigned char ch;		unsigned char L1,L2;	#if (MCTYPE==CV5100)		L1=5;		L2=5;	#else		L1=20;		L2=8;	#endif	P2 = 0x0F;	ch = P2 & 0x0F;	if (flag_keyon)									{		if (ch != 0x0F)	keydly = 0;		else			keydly++;		if (keydly >L1)		{			flag_keyon = 0;			keydly = 0;		}		return 0xff;		}	if (ch == 0x0F)		{		keydly = 0;		return 0xff;		}	keydly++;	if (keydly < L2) return 0xff;	 	flag_keyon = 1;	keydly = 0;	while(1)	{		P2 = ~0x40;		ch = P2 & 0x0F;		if (ch != 0x0F)			{			ch |= 0x10;			break;		}		P2 = ~0x20;		ch = P2 & 0x0F;		if (ch != 0x0F)			{			ch |= 0x20;			break;		}		P2 = ~0x10;		ch = P2 & 0x0F;		if (ch != 0x0F)			{			ch |= 0x30;			break;		    		}							}		if      (ch == 0x1E)	ch = 0xb;		else if (ch == 0x2E)	ch = 0;		else if (ch == 0x3E)	ch = 0xa;		else if (ch == 0x37)	ch = 1;		else if (ch == 0x27)	ch = 2;		else if (ch == 0x17)	ch = 3;		else if (ch == 0x3B)	ch = 4;		else if (ch == 0x2B)	ch = 5;		else if (ch == 0x1B)	ch = 6;		else if (ch == 0x3D)	ch = 7;		else if (ch == 0x2D)	ch = 8;		else if (ch == 0x1D)	ch = 9;		else ch = 0xff;			return ch;	}unsigned char getkey(){	unsigned char ch;		unsigned char code keycode[16]={'0','1','2','3',									'4','5','6','7',									'8','9','*','#',									 0,  0,  0,  0	};		ch=get_key();	if(ch==0xff)	{		return 0;		}	ch=keycode[ch];	return ch;	}#endif