main.h

这个是安防用的控制键盘C源程序,采用KEIL C51开发.用于控制前端解码器!

//变量类型标识的宏定义
#define	Uchar unsigned char 
#define Uint unsigned int

// 控制引脚定义，不同的连接必须修改的部分
sbit	RS	= P1^7;
sbit	RW	= P1^6;
sbit	Elcm	= P1^5;
sbit    SDO = P2^5;
sbit    SDI = P2^6;
sbit    scl = P2^7;
sbit    CS  = P3^7;
sbit    RT_CON = P1^4;
sbit    Code_Led=P3^5;
sbit    BU  = P3^4;
sbit    DOG = P3^6;
sbit    sclock = P3^2;          //24c02 clock
sbit    sda = P3^3;             //24c02 data

#define DataPort P0				// 数据端口
#define Busy	0x80
#define no_key   0
#define K_0      1
#define K_1      2
#define K_2      3
#define K_3      4
#define K_4      5
#define K_5      6
#define K_6      7
#define K_7      8
#define K_8      9
#define K_9      10
#define K_close  11
#define K_open   12
#define K_near   13
#define K_far    14
#define K_wide   15
#define K_tele   16
#define K_mon    17
#define K_cam    18
#define K_on     19
#define K_off    20
#define K_shot   21
#define K_patran 22
#define K_aux    23
#define K_clear  24
#define K_salvo  25
#define K_run    26
#define K_hold   27
#define K_b      28
#define K_time   29
#define K_a      30
#define K_ack    31
#define K_lock   32
#define K_f1     33
#define K_f2     34
#define K_prog   35
#define K_arm    36

#define K_last   37
#define K_next   38
#define K_vcr    39
#define K_user   40