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100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/// @file
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/// @brief QXK/C++ port example, Generic C++ compiler
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/// @ingroup qxk
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/// @cond
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///***************************************************************************
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/// Last updated for version 6.1.1
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/// Last updated on 2018-02-17
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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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/// innovating embedded systems
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///
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/// Copyright (C) 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 <http://www.gnu.org/licenses/>.
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///
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/// Contact information:
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/// https://www.state-machine.com
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/// mailto:info@state-machine.com
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///***************************************************************************
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/// @endcond
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#ifndef qxk_port_h
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#define qxk_port_h
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//lint -save -e1960 MISRA-C++:2008 Rule 7-3-1, Global declaration
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//****************************************************************************
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//! determination if the code executes in the ISR context
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//! (used internally in QXK only)
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#define QXK_ISR_CONTEXT_() (getSR() != static_cast<uint32_t>(0))
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//! trigger context switch (used internally in QXK only)
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#define QXK_CONTEXT_SWITCH_() (trigSWI())
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//****************************************************************************
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//! activate the context-switch callback
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#define QXK_ON_CONTEXT_SW 1
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//****************************************************************************
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// QXK 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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/// @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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#define QXK_ISR_ENTRY() do { \
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++QXK_attr_.intNest; \
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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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/// @note This is just an example of #QK_ISR_EXIT. 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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#define QXK_ISR_EXIT() do { \
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--QXK_attr_.intNest; \
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if (QXK_attr_.intNest == static_cast<uint_fast8_t>(0)) { \
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if (QXK_sched_() != static_cast<uint_fast8_t>(0)) { \
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QXK_activate_(); \
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} \
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} \
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else { \
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Q_ERROR(); \
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} \
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} while (false)
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extern "C" {
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uint32_t getSR(void);
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void trigSWI(void);
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} // extern "C"
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//lint -restore
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#include "qxk.h" // QXK platform-independent public interface
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#endif // qxk_port_h
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