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Keypad 的代码
keypad decode.c
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~ To test PIC16F877 io ports A,B,C,D,E; using RE2 as switch. ~//
//~ Created by Henry Tan for EE2001. All rights reserved.
keypad1.c
//键盘飞梭驱动
#include
#include
#include
#include
#include
#include
#include
keypad.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,1, 0x0
Options 1,0,0 // Ta
add_keypad.c
/** @file */
/* ----------------------------------------------------------------------------
Copyright (C) Siemens AG 1994-2001 * ALL RIGHTS RESERVED
This software is protected by the inclusion of
pdd_keypad.c
/** @file */
/* ----------------------------------------------------------------------------
Copyright (C) Siemens AG 1994-2001 * ALL RIGHTS RESERVED
This software is protected by the inclusion of
keypad_4.c
// KeyPad_4.C (PIC16F628)
//
// Illustrates an interface with a 4X4 key pad with a 20 byte buffer. Program
// continually loops. On interrupt on change, the interrupt service routine adds
// a va
keypad_1.c
// KeyPad_1.C (PIC16F877)
//
// Illustrates an interface with a 4X4 key pad. Program continually
// loops, checking if key_present and is so displays the key_character
// assigned to the depresse
keypad_3.c
// KeyPad_3.C (PIC16F877)
//
// Illustrates an interface with a 4X4 key pad with a 20 byte buffer. Program
// continually loops spending most of the time in a five second delay. On interrupt
//