#include <reg51.h>

/*--------------------------------------------

调用方式：自行I/O 口定义﹫2001/05/12

函数说明：私有函数，各接口定义

--------------------------------------------*/

sbit HD7279_CS=P1^4 // HD7279_CS--P1.4

sbit HD7279_CLK=P1^5 // HD7279_CLK-- P1.5

sbit HD7279_DATA=P1^6 // HD7279_DATA-- P1.2

sbit HD7279_KEY =P1^7 // HD7279_KEY-- P1.3

/*--------------------------------------------

调用方式： HD7279A 各指令定义﹫2001/05/12

函数说明：私有函数，接口定义

--------------------------------------------*

/#define HD7279_RESET 0xa4 //复位

#define HD7279_TEST 0xbf //测试

#define HD7279_RLC 0xa3 //循环左移

#define HD7279_RRC 0xa2 //循环右移

#define HD7279_RL 0xa1 //左移

#define HD7279_RR 0xa0 //右移

#define HD7279_DECODE0 0x80 //译码方式0

#define HD7279_DECODE1 0xc8 //译码方式1

-# Include <reg51.h> /*-------------------------------------------- call way: on their own I/O port function definition @ 2001/05/12 Descr iption: private function, the interface definition--------------------------------------------*/ sbit HD7279_CS = P1 ^ 4// HD7279_CS- P1.4sbit HD7279_CLK = P1 ^ 5// HD7279_CLK- P1. 5sbit HD7279_DATA = P1 ^ 6// HD7279_DATA- P1.2sbit HD7279_KEY = P1 ^ 7// HD7279_KEY- P1.3 /*-------------------------------------------- way call: HD7279A the command function definition @ 2001/05/12 Descr iption: private function, interface definitions--------------------------------------------*/# define HD7279_RESET 0xa4// reset# define HD7279_TEST 0xbf// test# define HD7279_RLC 0xa3// circle left# define HD7279_RRC 0xa2// cycle shifted to right# define HD7279_RL 0xa1// left# define HD7279_RR 0xa0// Move right# define HD7279_DECODE0 0x80// decoding means 0# define HD7279_DECODE1 0xc8// decoding mode 1