define7279.h

来自「利用单片机、HD7279、键盘」· C头文件 代码 · 共 55 行

#ifndef __DEFINE_H__
#define __DEFINE_H__
//****** HD7279A指令 ******
#define CMD_RESET 0xa4
#define CMD_TEST 0xbf
#define DECODE0 0x80
#define DECODE1 0xc8
#define CMD_READ 0x15
#define UNDECODE 0x90
#define RTL_CYCLE 0xa3
#define RTR_CYCLE 0xa2
#define RTL_UNCYL 0xa1
#define RTR_UNCYL 0xa0
#define ACTCTL 0x98
#define SEGON 0xe0
#define SEGOFF 0xc0
#define BLINKCTL 0x88

//*** I/O ***
sbit cs=P1^5; 
sbit clk=P1^4; 
sbit dat=P1^3;
sbit key=P3^3;


sbit enable = P0^0;
sbit shiftin = P0^1;
sbit en_cs = P0^2;
sbit aclr = P0^3;
sbit shift_clk = P0^4;



//****************健值***************************
#define KEY_0 0x7
#define KEY_1 0x6
#define KEY_2 0x5
#define KEY_3 0x4
#define KEY_4 0xF
#define KEY_5 0xE
#define KEY_6 0xD
#define KEY_7 0xC
#define KEY_8 0x17
#define KEY_9 0x16
#define KEY_A 0x15
#define KEY_B 0x14
#define KEY_C 0x1F
#define KEY_D 0x1E
#define KEY_E 0x1D
#define KEY_F 0x1C




#endif