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LED Matrix 的代码
led.lst
A51 MACRO ASSEMBLER LED 02/22/2008 15:38:42 PAGE 1
MACRO ASSEMBLER A51 V7.08a
OBJECT MODULE PLACED IN led.OBJ
ASSEMBLER INV
led.c
/* **********************************************************************
Copyright (c) 2002-2006 Beyond Innovation Technology Co., Ltd
All rights are reserved. Reproduction in
led.h
/* **********************************************************************
Copyright (c) 2002-2006 Beyond Innovation Technology Co., Ltd
All rights are reserved. Reproduction in
led.lst
C51 COMPILER V7.50 LED 02/05/2007 16:33:25 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN .\O
led.c
//串行驱动led显示，
//一个74hc595位移寄存器驱动三极管驱动led位，
//两个74hc595驱动led段，方式位5位x8段x2=10个数码管
//5分频，每次扫描时间位1.25ms
//定义特殊符号
#define nul 0xf
#define qc 0xc
#define qb 0xb
#define q_ 0xa
#define q__ 0xd
led.c
#define IN_TGPIO
#include "config.h"
#define LEDS8 16 // P2[23:16] controle LED8~LED1
int main(void)
{
int fd;
uint8 i, val;
fd = open("/dev/P2", O_RDONLY);
if(fd == -1)
{