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Keypad 的代码
keypad.c
#include
#include "../frame/frm_hd_device.h"
#include " ../kernel/kern_irq.h"
#include "keypad.h"
D_UINT16 drv_get_numb(KEYCODE *key , int keycode)
{ int row,col;
if((keyc
keypad.h
#include "../public/pub_emmi.h"
#define KEYPADBaseAddr 0x80000a00
#define KP_CTRL (*(volatile unsigned *)(KEYPADBaseAddr+0x00))
#define KP_STS (*(volatile unsigned *)(KEYPADBaseAddr
keypad.h
/*------------------------------------------------------------------*-
Keypad.h (v1.00)
------------------------------------------------------------------
- see Keypad.C for details.
keypad.lst
C51 COMPILER V6.21 KEYPAD 01/23/2002 18:10:45 PAGE 1
C51 COMPILER V6.21, COMPILATION OF MODULE KEYPAD
OBJECT MODULE PLACED IN
keypad.c
/*------------------------------------------------------------------*-
Keypad.C (v1.00)
------------------------------------------------------------------
Simple library, for a switch
keypad.c
/*
标题:小键盘的输入函数
版本:1.0
Target:89S51
函数描述: char gotkey(void)
从4ⅹ4小键盘输入数据,返回0 15
小键盘的连接方式:
1 P20 -----0----1----2----3
| | | |
2 P21 -----4----5--
keypad.lst
C51 COMPILER V7.50 KEYPAD 09/15/2005 09:45:20 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE KEYPAD
OBJECT MODULE PLACED IN
keypad.c
/*
标题:小键盘的输入函数
版本:1.0
Target:89S51
函数描述: char gotkey(void)
从4ⅹ4小键盘输入数据,返回0 15
小键盘的连接方式:
1 P20 -----0----1----2----3
| | | |
2 P21 -----4----5--