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85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/**
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* @file
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* @brief QK/C port, PIC24/dsPIC, QK kernel, MPLABX-XC16 compiler
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* @ingroup ports
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* @cond
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******************************************************************************
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* Last updated for version 6.5.1
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* Last updated on 2019-06-10
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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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/* QK interrupt entry and exit */
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#define QK_ISR(psv_) \
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void __attribute__((__interrupt__(__preprologue__( \
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"push RCOUNT \n" \
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"push.d w0 \n" \
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"mov.w [w15-8],w0 \n" \
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"lsr.w w0,#13,w1 \n" \
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"mov.w #1,w0 \n" \
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"sl w0,w1,w0 \n" \
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"ior.b _QK_IPL_set_\n" \
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"bra .+6 ")) \
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, psv_))
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#define QK_ISR_EXIT() do { \
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register uint16_t this_sr; \
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__asm__ volatile ( \
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"mov.w SR,%0 \n" \
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"lsr %0,#5,w0 \n" \
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"and.w w0,#7,w0 \n" \
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"mov.w #1,w1 \n" \
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"sl w1,w0,w0 \n" \
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"ior.b #1,w0 \n" \
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"com.b w0,w0 \n" \
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"disi #0x3FFF \n" \
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"and.b _QK_IPL_set_" : "=r"(this_sr) : : "w0", "w1"); \
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if (QK_IPL_set_ == 0) { \
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if (QK_sched_() != (uint_fast8_t)0) { \
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__asm__ volatile ("clr.b SR"); \
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QK_activate_(); \
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__asm__ volatile ("mov.w %0,SR" : : "r"(this_sr)); \
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} \
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} \
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__asm__ volatile ("disi #0x0000"); \
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} while (false);
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#include "qk.h" /* QK platform-independent public interface */
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/* set of active interrupt priority levels (IPLs) */
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extern uint8_t volatile QK_IPL_set_;
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#endif /* QK_PORT_H */
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