756 lines
35 KiB
C
756 lines
35 KiB
C
/*
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* Copyright (c) 2013-2018 Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ----------------------------------------------------------------------
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*
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* $Date: 18. June 2018
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* $Revision: V2.1.3
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*
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* Project: CMSIS-RTOS2 API
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* Title: cmsis_os2.h header file
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*
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* Version 2.1.3
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* Additional functions allowed to be called from Interrupt Service Routines:
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* - osThreadGetId
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* Version 2.1.2
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* Additional functions allowed to be called from Interrupt Service Routines:
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* - osKernelGetInfo, osKernelGetState
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* Version 2.1.1
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* Additional functions allowed to be called from Interrupt Service Routines:
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* - osKernelGetTickCount, osKernelGetTickFreq
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* Changed Kernel Tick type to uint32_t:
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* - updated: osKernelGetTickCount, osDelayUntil
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* Version 2.1.0
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* Support for critical and uncritical sections (nesting safe):
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* - updated: osKernelLock, osKernelUnlock
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* - added: osKernelRestoreLock
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* Updated Thread and Event Flags:
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* - changed flags parameter and return type from int32_t to uint32_t
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* Version 2.0.0
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* Initial Release
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*---------------------------------------------------------------------------*/
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#ifndef CMSIS_OS2_H_
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#define CMSIS_OS2_H_
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#ifndef __NO_RETURN
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#if defined(__CC_ARM)
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#define __NO_RETURN __declspec(noreturn)
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#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
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#define __NO_RETURN __attribute__((__noreturn__))
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#elif defined(__GNUC__)
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#define __NO_RETURN __attribute__((__noreturn__))
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#elif defined(__ICCARM__)
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#define __NO_RETURN __noreturn
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#else
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#define __NO_RETURN
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#endif
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#endif
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#include <stdint.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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// ==== Enumerations, structures, defines ====
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/// Version information.
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typedef struct {
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uint32_t api; ///< API version (major.minor.rev: mmnnnrrrr dec).
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uint32_t kernel; ///< Kernel version (major.minor.rev: mmnnnrrrr dec).
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} osVersion_t;
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/// Kernel state.
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typedef enum {
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osKernelInactive = 0, ///< Inactive.
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osKernelReady = 1, ///< Ready.
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osKernelRunning = 2, ///< Running.
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osKernelLocked = 3, ///< Locked.
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osKernelSuspended = 4, ///< Suspended.
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osKernelError = -1, ///< Error.
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osKernelReserved = 0x7FFFFFFFU ///< Prevents enum down-size compiler optimization.
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} osKernelState_t;
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/// Thread state.
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typedef enum {
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osThreadInactive = 0, ///< Inactive.
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osThreadReady = 1, ///< Ready.
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osThreadRunning = 2, ///< Running.
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osThreadBlocked = 3, ///< Blocked.
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osThreadTerminated = 4, ///< Terminated.
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osThreadError = -1, ///< Error.
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osThreadReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization.
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} osThreadState_t;
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/// Priority values.
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typedef enum {
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osPriorityNone = 0, ///< No priority (not initialized).
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osPriorityIdle = 1, ///< Reserved for Idle thread.
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osPriorityLow = 8, ///< Priority: low
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osPriorityLow1 = 8+1, ///< Priority: low + 1
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osPriorityLow2 = 8+2, ///< Priority: low + 2
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osPriorityLow3 = 8+3, ///< Priority: low + 3
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osPriorityLow4 = 8+4, ///< Priority: low + 4
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osPriorityLow5 = 8+5, ///< Priority: low + 5
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osPriorityLow6 = 8+6, ///< Priority: low + 6
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osPriorityLow7 = 8+7, ///< Priority: low + 7
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osPriorityBelowNormal = 16, ///< Priority: below normal
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osPriorityBelowNormal1 = 16+1, ///< Priority: below normal + 1
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osPriorityBelowNormal2 = 16+2, ///< Priority: below normal + 2
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osPriorityBelowNormal3 = 16+3, ///< Priority: below normal + 3
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osPriorityBelowNormal4 = 16+4, ///< Priority: below normal + 4
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osPriorityBelowNormal5 = 16+5, ///< Priority: below normal + 5
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osPriorityBelowNormal6 = 16+6, ///< Priority: below normal + 6
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osPriorityBelowNormal7 = 16+7, ///< Priority: below normal + 7
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osPriorityNormal = 24, ///< Priority: normal
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osPriorityNormal1 = 24+1, ///< Priority: normal + 1
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osPriorityNormal2 = 24+2, ///< Priority: normal + 2
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osPriorityNormal3 = 24+3, ///< Priority: normal + 3
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osPriorityNormal4 = 24+4, ///< Priority: normal + 4
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osPriorityNormal5 = 24+5, ///< Priority: normal + 5
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osPriorityNormal6 = 24+6, ///< Priority: normal + 6
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osPriorityNormal7 = 24+7, ///< Priority: normal + 7
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osPriorityAboveNormal = 32, ///< Priority: above normal
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osPriorityAboveNormal1 = 32+1, ///< Priority: above normal + 1
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osPriorityAboveNormal2 = 32+2, ///< Priority: above normal + 2
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osPriorityAboveNormal3 = 32+3, ///< Priority: above normal + 3
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osPriorityAboveNormal4 = 32+4, ///< Priority: above normal + 4
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osPriorityAboveNormal5 = 32+5, ///< Priority: above normal + 5
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osPriorityAboveNormal6 = 32+6, ///< Priority: above normal + 6
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osPriorityAboveNormal7 = 32+7, ///< Priority: above normal + 7
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osPriorityHigh = 40, ///< Priority: high
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osPriorityHigh1 = 40+1, ///< Priority: high + 1
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osPriorityHigh2 = 40+2, ///< Priority: high + 2
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osPriorityHigh3 = 40+3, ///< Priority: high + 3
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osPriorityHigh4 = 40+4, ///< Priority: high + 4
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osPriorityHigh5 = 40+5, ///< Priority: high + 5
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osPriorityHigh6 = 40+6, ///< Priority: high + 6
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osPriorityHigh7 = 40+7, ///< Priority: high + 7
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osPriorityRealtime = 48, ///< Priority: realtime
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osPriorityRealtime1 = 48+1, ///< Priority: realtime + 1
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osPriorityRealtime2 = 48+2, ///< Priority: realtime + 2
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osPriorityRealtime3 = 48+3, ///< Priority: realtime + 3
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osPriorityRealtime4 = 48+4, ///< Priority: realtime + 4
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osPriorityRealtime5 = 48+5, ///< Priority: realtime + 5
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osPriorityRealtime6 = 48+6, ///< Priority: realtime + 6
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osPriorityRealtime7 = 48+7, ///< Priority: realtime + 7
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osPriorityISR = 56, ///< Reserved for ISR deferred thread.
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osPriorityError = -1, ///< System cannot determine priority or illegal priority.
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osPriorityReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization.
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} osPriority_t;
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/// Entry point of a thread.
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typedef void (*osThreadFunc_t) (void *argument);
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/// Timer callback function.
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typedef void (*osTimerFunc_t) (void *argument);
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/// Timer type.
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typedef enum {
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osTimerOnce = 0, ///< One-shot timer.
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osTimerPeriodic = 1 ///< Repeating timer.
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} osTimerType_t;
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// Timeout value.
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#define osWaitForever 0xFFFFFFFFU ///< Wait forever timeout value.
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// Flags options (\ref osThreadFlagsWait and \ref osEventFlagsWait).
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#define osFlagsWaitAny 0x00000000U ///< Wait for any flag (default).
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#define osFlagsWaitAll 0x00000001U ///< Wait for all flags.
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#define osFlagsNoClear 0x00000002U ///< Do not clear flags which have been specified to wait for.
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// Flags errors (returned by osThreadFlagsXxxx and osEventFlagsXxxx).
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#define osFlagsError 0x80000000U ///< Error indicator.
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#define osFlagsErrorUnknown 0xFFFFFFFFU ///< osError (-1).
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#define osFlagsErrorTimeout 0xFFFFFFFEU ///< osErrorTimeout (-2).
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#define osFlagsErrorResource 0xFFFFFFFDU ///< osErrorResource (-3).
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#define osFlagsErrorParameter 0xFFFFFFFCU ///< osErrorParameter (-4).
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#define osFlagsErrorISR 0xFFFFFFFAU ///< osErrorISR (-6).
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// Thread attributes (attr_bits in \ref osThreadAttr_t).
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#define osThreadDetached 0x00000000U ///< Thread created in detached mode (default)
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#define osThreadJoinable 0x00000001U ///< Thread created in joinable mode
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// Mutex attributes (attr_bits in \ref osMutexAttr_t).
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#define osMutexRecursive 0x00000001U ///< Recursive mutex.
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#define osMutexPrioInherit 0x00000002U ///< Priority inherit protocol.
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#define osMutexRobust 0x00000008U ///< Robust mutex.
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/// Status code values returned by CMSIS-RTOS functions.
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typedef enum {
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osOK = 0, ///< Operation completed successfully.
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osError = -1, ///< Unspecified RTOS error: run-time error but no other error message fits.
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osErrorTimeout = -2, ///< Operation not completed within the timeout period.
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osErrorResource = -3, ///< Resource not available.
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osErrorParameter = -4, ///< Parameter error.
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osErrorNoMemory = -5, ///< System is out of memory: it was impossible to allocate or reserve memory for the operation.
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osErrorISR = -6, ///< Not allowed in ISR context: the function cannot be called from interrupt service routines.
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osStatusReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization.
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} osStatus_t;
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/// \details Thread ID identifies the thread.
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typedef void *osThreadId_t;
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/// \details Timer ID identifies the timer.
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typedef void *osTimerId_t;
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/// \details Event Flags ID identifies the event flags.
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typedef void *osEventFlagsId_t;
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/// \details Mutex ID identifies the mutex.
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typedef void *osMutexId_t;
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/// \details Semaphore ID identifies the semaphore.
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typedef void *osSemaphoreId_t;
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/// \details Memory Pool ID identifies the memory pool.
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typedef void *osMemoryPoolId_t;
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/// \details Message Queue ID identifies the message queue.
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typedef void *osMessageQueueId_t;
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#ifndef TZ_MODULEID_T
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#define TZ_MODULEID_T
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/// \details Data type that identifies secure software modules called by a process.
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typedef uint32_t TZ_ModuleId_t;
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#endif
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/// Attributes structure for thread.
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typedef struct {
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const char *name; ///< name of the thread
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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void *stack_mem; ///< memory for stack
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uint32_t stack_size; ///< size of stack
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osPriority_t priority; ///< initial thread priority (default: osPriorityNormal)
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TZ_ModuleId_t tz_module; ///< TrustZone module identifier
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uint32_t reserved; ///< reserved (must be 0)
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} osThreadAttr_t;
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/// Attributes structure for timer.
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typedef struct {
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const char *name; ///< name of the timer
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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} osTimerAttr_t;
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/// Attributes structure for event flags.
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typedef struct {
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const char *name; ///< name of the event flags
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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} osEventFlagsAttr_t;
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/// Attributes structure for mutex.
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typedef struct {
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const char *name; ///< name of the mutex
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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} osMutexAttr_t;
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/// Attributes structure for semaphore.
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typedef struct {
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const char *name; ///< name of the semaphore
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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} osSemaphoreAttr_t;
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/// Attributes structure for memory pool.
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typedef struct {
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const char *name; ///< name of the memory pool
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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void *mp_mem; ///< memory for data storage
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uint32_t mp_size; ///< size of provided memory for data storage
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} osMemoryPoolAttr_t;
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/// Attributes structure for message queue.
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typedef struct {
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const char *name; ///< name of the message queue
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uint32_t attr_bits; ///< attribute bits
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void *cb_mem; ///< memory for control block
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uint32_t cb_size; ///< size of provided memory for control block
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void *mq_mem; ///< memory for data storage
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uint32_t mq_size; ///< size of provided memory for data storage
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} osMessageQueueAttr_t;
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// ==== Kernel Management Functions ====
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/// Initialize the RTOS Kernel.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osKernelInitialize (void);
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/// Get RTOS Kernel Information.
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/// \param[out] version pointer to buffer for retrieving version information.
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/// \param[out] id_buf pointer to buffer for retrieving kernel identification string.
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/// \param[in] id_size size of buffer for kernel identification string.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osKernelGetInfo (osVersion_t *version, char *id_buf, uint32_t id_size);
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/// Get the current RTOS Kernel state.
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/// \return current RTOS Kernel state.
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osKernelState_t osKernelGetState (void);
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/// Start the RTOS Kernel scheduler.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osKernelStart (void);
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/// Lock the RTOS Kernel scheduler.
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/// \return previous lock state (1 - locked, 0 - not locked, error code if negative).
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int32_t osKernelLock (void);
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/// Unlock the RTOS Kernel scheduler.
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/// \return previous lock state (1 - locked, 0 - not locked, error code if negative).
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int32_t osKernelUnlock (void);
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/// Restore the RTOS Kernel scheduler lock state.
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/// \param[in] lock lock state obtained by \ref osKernelLock or \ref osKernelUnlock.
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/// \return new lock state (1 - locked, 0 - not locked, error code if negative).
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int32_t osKernelRestoreLock (int32_t lock);
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/// Suspend the RTOS Kernel scheduler.
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/// \return time in ticks, for how long the system can sleep or power-down.
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uint32_t osKernelSuspend (void);
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/// Resume the RTOS Kernel scheduler.
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/// \param[in] sleep_ticks time in ticks for how long the system was in sleep or power-down mode.
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void osKernelResume (uint32_t sleep_ticks);
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/// Get the RTOS kernel tick count.
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/// \return RTOS kernel current tick count.
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uint32_t osKernelGetTickCount (void);
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/// Get the RTOS kernel tick frequency.
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/// \return frequency of the kernel tick in hertz, i.e. kernel ticks per second.
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uint32_t osKernelGetTickFreq (void);
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/// Get the RTOS kernel system timer count.
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/// \return RTOS kernel current system timer count as 32-bit value.
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uint32_t osKernelGetSysTimerCount (void);
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/// Get the RTOS kernel system timer frequency.
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/// \return frequency of the system timer in hertz, i.e. timer ticks per second.
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uint32_t osKernelGetSysTimerFreq (void);
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// ==== Thread Management Functions ====
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/// Create a thread and add it to Active Threads.
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/// \param[in] func thread function.
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/// \param[in] argument pointer that is passed to the thread function as start argument.
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/// \param[in] attr thread attributes; NULL: default values.
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/// \return thread ID for reference by other functions or NULL in case of error.
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osThreadId_t osThreadNew (osThreadFunc_t func, void *argument, const osThreadAttr_t *attr);
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/// Get name of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return name as null-terminated string.
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const char *osThreadGetName (osThreadId_t thread_id);
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/// Return the thread ID of the current running thread.
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/// \return thread ID for reference by other functions or NULL in case of error.
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osThreadId_t osThreadGetId (void);
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/// Get current thread state of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return current thread state of the specified thread.
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osThreadState_t osThreadGetState (osThreadId_t thread_id);
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/// Get stack size of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return stack size in bytes.
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uint32_t osThreadGetStackSize (osThreadId_t thread_id);
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/// Get available stack space of a thread based on stack watermark recording during execution.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return remaining stack space in bytes.
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uint32_t osThreadGetStackSpace (osThreadId_t thread_id);
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/// Change priority of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \param[in] priority new priority value for the thread function.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadSetPriority (osThreadId_t thread_id, osPriority_t priority);
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/// Get current priority of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return current priority value of the specified thread.
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osPriority_t osThreadGetPriority (osThreadId_t thread_id);
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/// Pass control to next thread that is in state \b READY.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadYield (void);
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/// Suspend execution of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadSuspend (osThreadId_t thread_id);
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/// Resume execution of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadResume (osThreadId_t thread_id);
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/// Detach a thread (thread storage can be reclaimed when thread terminates).
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadDetach (osThreadId_t thread_id);
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/// Wait for specified thread to terminate.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadJoin (osThreadId_t thread_id);
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/// Terminate execution of current running thread.
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__NO_RETURN void osThreadExit (void);
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/// Terminate execution of a thread.
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/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
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/// \return status code that indicates the execution status of the function.
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osStatus_t osThreadTerminate (osThreadId_t thread_id);
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/// Get number of active threads.
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/// \return number of active threads.
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uint32_t osThreadGetCount (void);
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/// Enumerate active threads.
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/// \param[out] thread_array pointer to array for retrieving thread IDs.
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/// \param[in] array_items maximum number of items in array for retrieving thread IDs.
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/// \return number of enumerated threads.
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uint32_t osThreadEnumerate (osThreadId_t *thread_array, uint32_t array_items);
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// ==== Thread Flags Functions ====
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/// Set the specified Thread Flags of a thread.
|
|
/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId.
|
|
/// \param[in] flags specifies the flags of the thread that shall be set.
|
|
/// \return thread flags after setting or error code if highest bit set.
|
|
uint32_t osThreadFlagsSet (osThreadId_t thread_id, uint32_t flags);
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|
|
|
/// Clear the specified Thread Flags of current running thread.
|
|
/// \param[in] flags specifies the flags of the thread that shall be cleared.
|
|
/// \return thread flags before clearing or error code if highest bit set.
|
|
uint32_t osThreadFlagsClear (uint32_t flags);
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|
|
|
/// Get the current Thread Flags of current running thread.
|
|
/// \return current thread flags.
|
|
uint32_t osThreadFlagsGet (void);
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|
|
|
/// Wait for one or more Thread Flags of the current running thread to become signaled.
|
|
/// \param[in] flags specifies the flags to wait for.
|
|
/// \param[in] options specifies flags options (osFlagsXxxx).
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return thread flags before clearing or error code if highest bit set.
|
|
uint32_t osThreadFlagsWait (uint32_t flags, uint32_t options, uint32_t timeout);
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|
// ==== Generic Wait Functions ====
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|
|
/// Wait for Timeout (Time Delay).
|
|
/// \param[in] ticks \ref CMSIS_RTOS_TimeOutValue "time ticks" value
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osDelay (uint32_t ticks);
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|
|
/// Wait until specified time.
|
|
/// \param[in] ticks absolute time in ticks
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osDelayUntil (uint32_t ticks);
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|
|
// ==== Timer Management Functions ====
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|
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/// Create and Initialize a timer.
|
|
/// \param[in] func function pointer to callback function.
|
|
/// \param[in] type \ref osTimerOnce for one-shot or \ref osTimerPeriodic for periodic behavior.
|
|
/// \param[in] argument argument to the timer callback function.
|
|
/// \param[in] attr timer attributes; NULL: default values.
|
|
/// \return timer ID for reference by other functions or NULL in case of error.
|
|
osTimerId_t osTimerNew (osTimerFunc_t func, osTimerType_t type, void *argument, const osTimerAttr_t *attr);
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|
|
/// Get name of a timer.
|
|
/// \param[in] timer_id timer ID obtained by \ref osTimerNew.
|
|
/// \return name as null-terminated string.
|
|
const char *osTimerGetName (osTimerId_t timer_id);
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|
|
/// Start or restart a timer.
|
|
/// \param[in] timer_id timer ID obtained by \ref osTimerNew.
|
|
/// \param[in] ticks \ref CMSIS_RTOS_TimeOutValue "time ticks" value of the timer.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osTimerStart (osTimerId_t timer_id, uint32_t ticks);
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|
|
/// Stop a timer.
|
|
/// \param[in] timer_id timer ID obtained by \ref osTimerNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osTimerStop (osTimerId_t timer_id);
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|
|
/// Check if a timer is running.
|
|
/// \param[in] timer_id timer ID obtained by \ref osTimerNew.
|
|
/// \return 0 not running, 1 running.
|
|
uint32_t osTimerIsRunning (osTimerId_t timer_id);
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|
|
/// Delete a timer.
|
|
/// \param[in] timer_id timer ID obtained by \ref osTimerNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osTimerDelete (osTimerId_t timer_id);
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|
|
// ==== Event Flags Management Functions ====
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|
|
/// Create and Initialize an Event Flags object.
|
|
/// \param[in] attr event flags attributes; NULL: default values.
|
|
/// \return event flags ID for reference by other functions or NULL in case of error.
|
|
osEventFlagsId_t osEventFlagsNew (const osEventFlagsAttr_t *attr);
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|
|
/// Get name of an Event Flags object.
|
|
/// \param[in] ef_id event flags ID obtained by \ref osEventFlagsNew.
|
|
/// \return name as null-terminated string.
|
|
const char *osEventFlagsGetName (osEventFlagsId_t ef_id);
|
|
|
|
/// Set the specified Event Flags.
|
|
/// \param[in] ef_id event flags ID obtained by \ref osEventFlagsNew.
|
|
/// \param[in] flags specifies the flags that shall be set.
|
|
/// \return event flags after setting or error code if highest bit set.
|
|
uint32_t osEventFlagsSet (osEventFlagsId_t ef_id, uint32_t flags);
|
|
|
|
/// Clear the specified Event Flags.
|
|
/// \param[in] ef_id event flags ID obtained by \ref osEventFlagsNew.
|
|
/// \param[in] flags specifies the flags that shall be cleared.
|
|
/// \return event flags before clearing or error code if highest bit set.
|
|
uint32_t osEventFlagsClear (osEventFlagsId_t ef_id, uint32_t flags);
|
|
|
|
/// Get the current Event Flags.
|
|
/// \param[in] ef_id event flags ID obtained by \ref osEventFlagsNew.
|
|
/// \return current event flags.
|
|
uint32_t osEventFlagsGet (osEventFlagsId_t ef_id);
|
|
|
|
/// Wait for one or more Event Flags to become signaled.
|
|
/// \param[in] ef_id event flags ID obtained by \ref osEventFlagsNew.
|
|
/// \param[in] flags specifies the flags to wait for.
|
|
/// \param[in] options specifies flags options (osFlagsXxxx).
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return event flags before clearing or error code if highest bit set.
|
|
uint32_t osEventFlagsWait (osEventFlagsId_t ef_id, uint32_t flags, uint32_t options, uint32_t timeout);
|
|
|
|
/// Delete an Event Flags object.
|
|
/// \param[in] ef_id event flags ID obtained by \ref osEventFlagsNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osEventFlagsDelete (osEventFlagsId_t ef_id);
|
|
|
|
|
|
// ==== Mutex Management Functions ====
|
|
|
|
/// Create and Initialize a Mutex object.
|
|
/// \param[in] attr mutex attributes; NULL: default values.
|
|
/// \return mutex ID for reference by other functions or NULL in case of error.
|
|
osMutexId_t osMutexNew (const osMutexAttr_t *attr);
|
|
|
|
/// Get name of a Mutex object.
|
|
/// \param[in] mutex_id mutex ID obtained by \ref osMutexNew.
|
|
/// \return name as null-terminated string.
|
|
const char *osMutexGetName (osMutexId_t mutex_id);
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|
|
|
/// Acquire a Mutex or timeout if it is locked.
|
|
/// \param[in] mutex_id mutex ID obtained by \ref osMutexNew.
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMutexAcquire (osMutexId_t mutex_id, uint32_t timeout);
|
|
|
|
/// Release a Mutex that was acquired by \ref osMutexAcquire.
|
|
/// \param[in] mutex_id mutex ID obtained by \ref osMutexNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMutexRelease (osMutexId_t mutex_id);
|
|
|
|
/// Get Thread which owns a Mutex object.
|
|
/// \param[in] mutex_id mutex ID obtained by \ref osMutexNew.
|
|
/// \return thread ID of owner thread or NULL when mutex was not acquired.
|
|
osThreadId_t osMutexGetOwner (osMutexId_t mutex_id);
|
|
|
|
/// Delete a Mutex object.
|
|
/// \param[in] mutex_id mutex ID obtained by \ref osMutexNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMutexDelete (osMutexId_t mutex_id);
|
|
|
|
|
|
// ==== Semaphore Management Functions ====
|
|
|
|
/// Create and Initialize a Semaphore object.
|
|
/// \param[in] max_count maximum number of available tokens.
|
|
/// \param[in] initial_count initial number of available tokens.
|
|
/// \param[in] attr semaphore attributes; NULL: default values.
|
|
/// \return semaphore ID for reference by other functions or NULL in case of error.
|
|
osSemaphoreId_t osSemaphoreNew (uint32_t max_count, uint32_t initial_count, const osSemaphoreAttr_t *attr);
|
|
|
|
/// Get name of a Semaphore object.
|
|
/// \param[in] semaphore_id semaphore ID obtained by \ref osSemaphoreNew.
|
|
/// \return name as null-terminated string.
|
|
const char *osSemaphoreGetName (osSemaphoreId_t semaphore_id);
|
|
|
|
/// Acquire a Semaphore token or timeout if no tokens are available.
|
|
/// \param[in] semaphore_id semaphore ID obtained by \ref osSemaphoreNew.
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osSemaphoreAcquire (osSemaphoreId_t semaphore_id, uint32_t timeout);
|
|
|
|
/// Release a Semaphore token up to the initial maximum count.
|
|
/// \param[in] semaphore_id semaphore ID obtained by \ref osSemaphoreNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osSemaphoreRelease (osSemaphoreId_t semaphore_id);
|
|
|
|
/// Get current Semaphore token count.
|
|
/// \param[in] semaphore_id semaphore ID obtained by \ref osSemaphoreNew.
|
|
/// \return number of tokens available.
|
|
uint32_t osSemaphoreGetCount (osSemaphoreId_t semaphore_id);
|
|
|
|
/// Delete a Semaphore object.
|
|
/// \param[in] semaphore_id semaphore ID obtained by \ref osSemaphoreNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osSemaphoreDelete (osSemaphoreId_t semaphore_id);
|
|
|
|
|
|
// ==== Memory Pool Management Functions ====
|
|
|
|
/// Create and Initialize a Memory Pool object.
|
|
/// \param[in] block_count maximum number of memory blocks in memory pool.
|
|
/// \param[in] block_size memory block size in bytes.
|
|
/// \param[in] attr memory pool attributes; NULL: default values.
|
|
/// \return memory pool ID for reference by other functions or NULL in case of error.
|
|
osMemoryPoolId_t osMemoryPoolNew (uint32_t block_count, uint32_t block_size, const osMemoryPoolAttr_t *attr);
|
|
|
|
/// Get name of a Memory Pool object.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \return name as null-terminated string.
|
|
const char *osMemoryPoolGetName (osMemoryPoolId_t mp_id);
|
|
|
|
/// Allocate a memory block from a Memory Pool.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return address of the allocated memory block or NULL in case of no memory is available.
|
|
void *osMemoryPoolAlloc (osMemoryPoolId_t mp_id, uint32_t timeout);
|
|
|
|
/// Return an allocated memory block back to a Memory Pool.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \param[in] block address of the allocated memory block to be returned to the memory pool.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMemoryPoolFree (osMemoryPoolId_t mp_id, void *block);
|
|
|
|
/// Get maximum number of memory blocks in a Memory Pool.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \return maximum number of memory blocks.
|
|
uint32_t osMemoryPoolGetCapacity (osMemoryPoolId_t mp_id);
|
|
|
|
/// Get memory block size in a Memory Pool.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \return memory block size in bytes.
|
|
uint32_t osMemoryPoolGetBlockSize (osMemoryPoolId_t mp_id);
|
|
|
|
/// Get number of memory blocks used in a Memory Pool.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \return number of memory blocks used.
|
|
uint32_t osMemoryPoolGetCount (osMemoryPoolId_t mp_id);
|
|
|
|
/// Get number of memory blocks available in a Memory Pool.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \return number of memory blocks available.
|
|
uint32_t osMemoryPoolGetSpace (osMemoryPoolId_t mp_id);
|
|
|
|
/// Delete a Memory Pool object.
|
|
/// \param[in] mp_id memory pool ID obtained by \ref osMemoryPoolNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMemoryPoolDelete (osMemoryPoolId_t mp_id);
|
|
|
|
|
|
// ==== Message Queue Management Functions ====
|
|
|
|
/// Create and Initialize a Message Queue object.
|
|
/// \param[in] msg_count maximum number of messages in queue.
|
|
/// \param[in] msg_size maximum message size in bytes.
|
|
/// \param[in] attr message queue attributes; NULL: default values.
|
|
/// \return message queue ID for reference by other functions or NULL in case of error.
|
|
osMessageQueueId_t osMessageQueueNew (uint32_t msg_count, uint32_t msg_size, const osMessageQueueAttr_t *attr);
|
|
|
|
/// Get name of a Message Queue object.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return name as null-terminated string.
|
|
const char *osMessageQueueGetName (osMessageQueueId_t mq_id);
|
|
|
|
/// Put a Message into a Queue or timeout if Queue is full.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \param[in] msg_ptr pointer to buffer with message to put into a queue.
|
|
/// \param[in] msg_prio message priority.
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMessageQueuePut (osMessageQueueId_t mq_id, const void *msg_ptr, uint8_t msg_prio, uint32_t timeout);
|
|
|
|
/// Get a Message from a Queue or timeout if Queue is empty.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \param[out] msg_ptr pointer to buffer for message to get from a queue.
|
|
/// \param[out] msg_prio pointer to buffer for message priority or NULL.
|
|
/// \param[in] timeout \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMessageQueueGet (osMessageQueueId_t mq_id, void *msg_ptr, uint8_t *msg_prio, uint32_t timeout);
|
|
|
|
/// Get maximum number of messages in a Message Queue.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return maximum number of messages.
|
|
uint32_t osMessageQueueGetCapacity (osMessageQueueId_t mq_id);
|
|
|
|
/// Get maximum message size in a Memory Pool.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return maximum message size in bytes.
|
|
uint32_t osMessageQueueGetMsgSize (osMessageQueueId_t mq_id);
|
|
|
|
/// Get number of queued messages in a Message Queue.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return number of queued messages.
|
|
uint32_t osMessageQueueGetCount (osMessageQueueId_t mq_id);
|
|
|
|
/// Get number of available slots for messages in a Message Queue.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return number of available slots for messages.
|
|
uint32_t osMessageQueueGetSpace (osMessageQueueId_t mq_id);
|
|
|
|
/// Reset a Message Queue to initial empty state.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMessageQueueReset (osMessageQueueId_t mq_id);
|
|
|
|
/// Delete a Message Queue object.
|
|
/// \param[in] mq_id message queue ID obtained by \ref osMessageQueueNew.
|
|
/// \return status code that indicates the execution status of the function.
|
|
osStatus_t osMessageQueueDelete (osMessageQueueId_t mq_id);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // CMSIS_OS2_H_
|