common.h

基于RS232的键盘,也可以作为输入输出的操作面板,用于数控系统开发

#ifndef __COMMON_H_ICL__
#define	__COMMON_H_ICL__

#include <REG52.H>
#include <stdio.h>

typedef 	unsigned char 			BYTE;
typedef 	unsigned short 			WORD;
typedef 	unsigned long 			DWORD;

typedef 	unsigned char 			u_char;
typedef 	unsigned short 			u_short;
typedef 	unsigned long 			u_long;

#define		DB0						P0_0
#define		DB1						P0_1
#define		DB2						P0_2
#define		DB3						P0_3
#define		DB4						P0_4
#define		DB5						P0_5
#define		DB6						P0_6
#define		DB7						P0_7


#define		CLOM1					P1_0
#define		CLOM2					P1_1
#define		CLOM3					P1_2
#define		CLOM4					P1_3
#define		ROW1					P1_4
#define		ROW2					P1_5
#define		ROW3					P1_6
#define		ROW4					P1_7

#define		WCS0					P2_0
#define		WCS1					P2_1
/*
#define		ST2						P2_2
#define		ST3						P2_3
#define		ST4						P3_4	//T0
#define		ST5						P3_5	//T1

#define		RE						P3_3	//INT1
#define		LED						P3_2	//INT0

#define		BAUD_RATE_H				P3_7	//RD
#define		BAUD_RATE_L				P3_6	//WR
*/

#define		RXD						P3_0	//RECIEVE
#define		TXD						P3_1	//SEND


#define		MAX_COMM_BUF_SIZE		10

#define		RECV					0
#define		SEND					1

#define		START_CHAR				'%'		// 0x25
#define		END_CHAR				'$' 	// 0x24
#define		ACK_CHAR				'!'		// 0x21
#define		NO_ACK_CHAR				'#'		// 0x23
//			R = 0x52
//			W = 0x57
#define		CMD_HEAD_LEN			5

// 长正数存储顺序，首地址+偏移值
#define		MSB						0
#define		NMSB					1
#define		NLSB					2
#define		LSB						3

#define		MAX_CLOMN				4
#define		MAX_ROW					4

typedef struct
{
	u_char	MsgCnt;
	u_char	SendIdx;
	u_char	MsgData[MAX_COMM_BUF_SIZE];
}COMM_BUF_DEF;

u_char KeybdBtn[MAX_CLOMN][MAX_ROW];
u_char KeybdLed[MAX_CLOMN][MAX_ROW];

#endif