qk_port.h

事件驱动程序设计很好的框架

/*****************************************************************************
* Product:  QK/C, Cortex-M3, QK port, IAR compiler
* 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 qk_port_h
#define qk_port_h
                                          /* QF critical section entry/exit */
/* QF_INT_KEY_TYPE not defined */
#define QF_INT_LOCK(dummy)      __disable_interrupt()
#define QF_INT_UNLOCK(dummy)    __enable_interrupt()

                                             /* QK interrupt entry and exit */
#define QK_ISR_ENTRY() do { \
    __disable_interrupt(); \
    ++QK_intNest_; \
    QF_QS_ISR_ENTRY(QK_intNest_, QK_currPrio_); \
    __enable_interrupt(); \
} while (0)

#define QK_ISR_EXIT(pin_)  do { \
    __disable_interrupt(); \
    --QK_intNest_; \
    *((uint32_t volatile *)0xE000ED04) = 0x10000000; \
    __enable_interrupt(); \
} while (0)

#include <intrinsics.h>                          /* IAR intrinsic functions */

#include "qk.h"                 /* QK platform-independent public interface */

#endif                                                         /* qk_port_h */