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122 lines
4.4 KiB
C
122 lines
4.4 KiB
C
/**
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* @file
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* @brief QF/C generic port to uC/OS-II V2.92
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* @cond
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******************************************************************************
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* Last Updated for Version: 5.6.2
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* Date of the Last Update: 2016-03-31
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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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* http://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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*/
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#ifndef qf_port_h
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#define qf_port_h
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/* uC/OS-II event queue and thread types */
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#define QF_EQUEUE_TYPE OS_EVENT *
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#define QF_THREAD_TYPE uint32_t
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/* The maximum number of active objects in the application */
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#define QF_MAX_ACTIVE (OS_MAX_TASKS < 64 ? OS_MAX_TASKS : 63)
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/* uC/OS-II critical section operations (critical section type 3), NOTE1 */
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#define QF_CRIT_STAT_TYPE OS_CPU_SR
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#define QF_CRIT_ENTRY(stat_) ((stat_) = OS_CPU_SR_Save())
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#define QF_CRIT_EXIT(stat_) OS_CPU_SR_Restore(stat_)
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#include "ucos_ii.h" /* uC/OS-II API */
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#include "qep_port.h" /* QEP port, includes the master uC/OS-II include */
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#include "qequeue.h" /* native QF event queue for deferring events */
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#include "qf.h" /* QF platform-independent public interface */
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/* set uC/OS task attributes (e.g., OS_TASK_OPT_SAVE_FP | OS_TASK_OPT_STK_CHK)
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* for OSTaskCreateExt() **before** calling QACTIVE_START().
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*/
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void QF_setUCosTaskAttr(QActive *act, uint32_t attr);
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/*****************************************************************************
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* interface used only inside QF, but not in applications
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*/
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#ifdef QP_IMPL
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/* QF-specific scheduler locking, see NOTE2 */
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#define QF_SCHED_STAT_TYPE_ struct { uint_fast8_t lockPrio; }
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#define QF_SCHED_LOCK_(pLockStat_, prio_) do { \
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if (OSIntNesting != (INT8U)0) { \
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(pLockStat_)->lockPrio = (uint_fast8_t)(QF_MAX_ACTIVE + 1); \
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} else { \
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(pLockStat_)->lockPrio = (prio_); \
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OSSchedLock(); \
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} \
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} while (0)
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#define QF_SCHED_UNLOCK_(dummy) OSSchedUnlock()
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/* uC/OS-II event pool operations */
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#define QF_EPOOL_TYPE_ OS_MEM*
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#define QF_EPOOL_INIT_(pool_, poolSto_, poolSize_, evtSize_) do { \
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INT8U err; \
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(pool_) = OSMemCreate((poolSto_), (INT32U)((poolSize_)/(evtSize_)), \
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(INT32U)(evtSize_), &err); \
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Q_ASSERT(err == OS_ERR_NONE); \
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} while (0)
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#define QF_EPOOL_EVENT_SIZE_(pool_) ((pool_)->OSMemBlkSize)
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#define QF_EPOOL_GET_(pool_, e_, m_) do { \
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QF_CRIT_STAT_ \
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QF_CRIT_ENTRY_(); \
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if ((pool_)->OSMemNFree > (m_)) { \
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INT8U err; \
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(e_) = (QEvt *)OSMemGet((pool_), &err); \
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Q_ASSERT(err == OS_ERR_NONE); \
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} \
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else { \
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(e_) = (QEvt *)0; \
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} \
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QF_CRIT_EXIT_(); \
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} while (0)
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#define QF_EPOOL_PUT_(pool_, e_) \
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Q_ALLEGE(OSMemPut((pool_), (void *)(e_)) == OS_ERR_NONE)
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#endif /* ifdef QP_IMPL */
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#endif /* qf_port_h */
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/*****************************************************************************
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* NOTE1:
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* uC/OS-II critical section must be able to nest.
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*
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* NOTE2:
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* uC/OS-II provides only global scheduler locking for all thread priorities
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* by means of OSSchedLock() and OSSchedUnlock(). Therefore, locking the
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* scheduler only up to the specified lock priority is not supported.
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*/
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