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95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/**
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* @file
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* @brief QK/C port example for a generic C compiler.
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* @ingroup qk
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* @cond
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******************************************************************************
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* Last updated for version 6.7.0
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* Last updated on 2019-12-18
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*
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* Q u a n t u m L e a P s
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* ------------------------
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* Modern Embedded Software
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*
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* Copyright (C) 2005-2019 Quantum Leaps, LLC. All rights reserved.
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*
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* This program is open source software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alternatively, this program may be distributed and modified under the
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* terms of Quantum Leaps commercial licenses, which expressly supersede
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* the GNU General Public License and are specifically designed for
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* licensees interested in retaining the proprietary status of their code.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <www.gnu.org/licenses>.
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*
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* Contact information:
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* <www.state-machine.com/licensing>
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* <info@state-machine.com>
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******************************************************************************
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* @endcond
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*/
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#ifndef QK_PORT_H
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#define QK_PORT_H
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/****************************************************************************/
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/*! enable the context-switch callback */
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#define QK_ON_CONTEXT_SW 1
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/*! determination if the code executes in the ISR context */
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#define QK_ISR_CONTEXT_() (get_IPSR() != 0U)
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/* QK interrupt entry and exit... */
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/*! Define the ISR entry sequence, if the compiler supports writing
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* interrupts in C.
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*/
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/**
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* @note This is just an example of #QK_ISR_ENTRY. You need to define
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* the macro appropriately for the CPU/compiler you're using. Also, some
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* QK ports will not define this macro, but instead will provide ISR
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* skeleton code in assembly.
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*/
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#define QK_ISR_ENTRY() do { \
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QF_INT_DISABLE(); \
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++QK_intNest_; \
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QF_QS_ISR_ENTRY(QK_intNest_, QK_currPrio_); \
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QF_INT_ENABLE(); \
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} while (false)
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/*! Define the ISR exit sequence, if the compiler supports writing
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* interrupts in C.
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*/
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/**
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* @note
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* This is just an example of #QK_ISR_EXIT. You need to define the macro
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* appropriately for the CPU/compiler you're using. Also, some QK ports will
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* not define this macro, but instead will provide ISR skeleton in assembly.
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*/
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#define QK_ISR_EXIT() do { \
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QF_INT_DISABLE(); \
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--QK_intNest_; \
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if (QK_intNest_ == 0U) { \
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if (QK_sched_() != 0U) { \
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QK_activate_(); \
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} \
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} \
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QF_INT_ENABLE(); \
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} while (false)
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#include "qk.h" /* QK platform-independent public interface */
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uint32_t get_IPSR(void);
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#endif /* QK_PORT_H */
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