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LED 的代码
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.h
/**********************************************************************
*
* Filename: led.h
*
* Description: Header file for LED-related functionality.
*
* Notes: The constants i
led.c
/**********************************************************************
*
* Filename: led.c
*
* Description: LED-related functionality.
*
* Notes: The constants in this file are
led.cpp
/**********************************************************************
*
* Filename: led.cpp
*
* Description: A memory-mapped PCB version of the LED functions.
*
* Notes: The co
led.cpp
/**********************************************************************
*
* Filename: led.cpp
*
* Description: A memory-mapped PCB version of the LED functions.
*
* Notes: The co
led.h
#include
#include "absacc.h"
#include
#include
#include "ctype.h"
#include
//#include "gu_X25.h"
#define Order_state XBYTE[0x2400]
#define port