bsp.h

来自「事件驱动程序设计很好的框架」· C头文件 代码 · 共 47 行

/*****************************************************************************
* Product: Board Support Package (BSP) for the Calculator example
* Last Updated for Version: 4.0.00
* Date of the Last Update:  Apr 07, 2008
*
*                    Q u a n t u m     L e a P s
*                    ---------------------------
*                    innovating embedded systems
*
* Copyright (C) 2002-2008 Quantum Leaps, LLC. All rights reserved.
*
* This software may be distributed and modified under the terms of the GNU
* General Public License version 2 (GPL) as published by the Free Software
* Foundation and appearing in the file GPL.TXT included in the packaging of
* this file. Please note that GPL Section 2[b] requires that all works based
* on this software must also be made publicly available under the terms of
* the GPL ("Copyleft").
*
* Alternatively, this software may be distributed and modified under the
* terms of Quantum Leaps commercial licenses, which expressly supersede
* the GPL and are specifically designed for licensees interested in
* retaining the proprietary status of their code.
*
* Contact information:
* Quantum Leaps Web site:  http://www.quantum-leaps.com
* e-mail:                  [e-mail]
*****************************************************************************/
#ifndef bsp_h
#define bsp_h

#define KEY_PLUS    '+'
#define KEY_MINUS   '-'
#define KEY_MULT    '*'
#define KEY_DIVIDE  '/'

void BSP_clear (void);
void BSP_negate(void);
void BSP_insert(int keyId);
double BSP_get_value(void);
int  BSP_eval(double operand1, int oper);
void BSP_exit(void);

void BSP_display(void);
void BSP_message(char const *state);

#endif                                                             /* bsp_h */