From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- Blink/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h | 756 ++++++++++++++++++++++++++ 1 file changed, 756 insertions(+) create mode 100644 Blink/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h (limited to 'Blink/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h') diff --git a/Blink/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h b/Blink/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h new file mode 100644 index 0000000..c86740d --- /dev/null +++ b/Blink/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h @@ -0,0 +1,756 @@ +/* + * Copyright (c) 2013-2018 Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * ---------------------------------------------------------------------- + * + * $Date: 18. June 2018 + * $Revision: V2.1.3 + * + * Project: CMSIS-RTOS2 API + * Title: cmsis_os2.h header file + * + * Version 2.1.3 + * Additional functions allowed to be called from Interrupt Service Routines: + * - osThreadGetId + * Version 2.1.2 + * Additional functions allowed to be called from Interrupt Service Routines: + * - osKernelGetInfo, osKernelGetState + * Version 2.1.1 + * Additional functions allowed to be called from Interrupt Service Routines: + * - osKernelGetTickCount, osKernelGetTickFreq + * Changed Kernel Tick type to uint32_t: + * - updated: osKernelGetTickCount, osDelayUntil + * Version 2.1.0 + * Support for critical and uncritical sections (nesting safe): + * - updated: osKernelLock, osKernelUnlock + * - added: osKernelRestoreLock + * Updated Thread and Event Flags: + * - changed flags parameter and return type from int32_t to uint32_t + * Version 2.0.0 + * Initial Release + *---------------------------------------------------------------------------*/ + +#ifndef CMSIS_OS2_H_ +#define CMSIS_OS2_H_ + +#ifndef __NO_RETURN +#if defined(__CC_ARM) +#define __NO_RETURN __declspec(noreturn) +#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) +#define __NO_RETURN __attribute__((__noreturn__)) +#elif defined(__GNUC__) +#define __NO_RETURN __attribute__((__noreturn__)) +#elif defined(__ICCARM__) +#define __NO_RETURN __noreturn +#else +#define __NO_RETURN +#endif +#endif + +#include +#include + +#ifdef __cplusplus +extern "C" +{ +#endif + + +// ==== Enumerations, structures, defines ==== + +/// Version information. +typedef struct { + uint32_t api; ///< API version (major.minor.rev: mmnnnrrrr dec). + uint32_t kernel; ///< Kernel version (major.minor.rev: mmnnnrrrr dec). +} osVersion_t; + +/// Kernel state. +typedef enum { + osKernelInactive = 0, ///< Inactive. + osKernelReady = 1, ///< Ready. + osKernelRunning = 2, ///< Running. + osKernelLocked = 3, ///< Locked. + osKernelSuspended = 4, ///< Suspended. + osKernelError = -1, ///< Error. + osKernelReserved = 0x7FFFFFFFU ///< Prevents enum down-size compiler optimization. +} osKernelState_t; + +/// Thread state. +typedef enum { + osThreadInactive = 0, ///< Inactive. + osThreadReady = 1, ///< Ready. + osThreadRunning = 2, ///< Running. + osThreadBlocked = 3, ///< Blocked. + osThreadTerminated = 4, ///< Terminated. + osThreadError = -1, ///< Error. + osThreadReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization. +} osThreadState_t; + +/// Priority values. +typedef enum { + osPriorityNone = 0, ///< No priority (not initialized). + osPriorityIdle = 1, ///< Reserved for Idle thread. + osPriorityLow = 8, ///< Priority: low + osPriorityLow1 = 8+1, ///< Priority: low + 1 + osPriorityLow2 = 8+2, ///< Priority: low + 2 + osPriorityLow3 = 8+3, ///< Priority: low + 3 + osPriorityLow4 = 8+4, ///< Priority: low + 4 + osPriorityLow5 = 8+5, ///< Priority: low + 5 + osPriorityLow6 = 8+6, ///< Priority: low + 6 + osPriorityLow7 = 8+7, ///< Priority: low + 7 + osPriorityBelowNormal = 16, ///< Priority: below normal + osPriorityBelowNormal1 = 16+1, ///< Priority: below normal + 1 + osPriorityBelowNormal2 = 16+2, ///< Priority: below normal + 2 + osPriorityBelowNormal3 = 16+3, ///< Priority: below normal + 3 + osPriorityBelowNormal4 = 16+4, ///< Priority: below normal + 4 + osPriorityBelowNormal5 = 16+5, ///< Priority: below normal + 5 + osPriorityBelowNormal6 = 16+6, ///< Priority: below normal + 6 + osPriorityBelowNormal7 = 16+7, ///< Priority: below normal + 7 + osPriorityNormal = 24, ///< Priority: normal + osPriorityNormal1 = 24+1, ///< Priority: normal + 1 + osPriorityNormal2 = 24+2, ///< Priority: normal + 2 + osPriorityNormal3 = 24+3, ///< Priority: normal + 3 + osPriorityNormal4 = 24+4, ///< Priority: normal + 4 + osPriorityNormal5 = 24+5, ///< Priority: normal + 5 + osPriorityNormal6 = 24+6, ///< Priority: normal + 6 + osPriorityNormal7 = 24+7, ///< Priority: normal + 7 + osPriorityAboveNormal = 32, ///< Priority: above normal + osPriorityAboveNormal1 = 32+1, ///< Priority: above normal + 1 + osPriorityAboveNormal2 = 32+2, ///< Priority: above normal + 2 + osPriorityAboveNormal3 = 32+3, ///< Priority: above normal + 3 + osPriorityAboveNormal4 = 32+4, ///< Priority: above normal + 4 + osPriorityAboveNormal5 = 32+5, ///< Priority: above normal + 5 + osPriorityAboveNormal6 = 32+6, ///< Priority: above normal + 6 + osPriorityAboveNormal7 = 32+7, ///< Priority: above normal + 7 + osPriorityHigh = 40, ///< Priority: high + osPriorityHigh1 = 40+1, ///< Priority: high + 1 + osPriorityHigh2 = 40+2, ///< Priority: high + 2 + osPriorityHigh3 = 40+3, ///< Priority: high + 3 + osPriorityHigh4 = 40+4, ///< Priority: high + 4 + osPriorityHigh5 = 40+5, ///< Priority: high + 5 + osPriorityHigh6 = 40+6, ///< Priority: high + 6 + osPriorityHigh7 = 40+7, ///< Priority: high + 7 + osPriorityRealtime = 48, ///< Priority: realtime + osPriorityRealtime1 = 48+1, ///< Priority: realtime + 1 + osPriorityRealtime2 = 48+2, ///< Priority: realtime + 2 + osPriorityRealtime3 = 48+3, ///< Priority: realtime + 3 + osPriorityRealtime4 = 48+4, ///< Priority: realtime + 4 + osPriorityRealtime5 = 48+5, ///< Priority: realtime + 5 + osPriorityRealtime6 = 48+6, ///< Priority: realtime + 6 + osPriorityRealtime7 = 48+7, ///< Priority: realtime + 7 + osPriorityISR = 56, ///< Reserved for ISR deferred thread. + osPriorityError = -1, ///< System cannot determine priority or illegal priority. + osPriorityReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization. +} osPriority_t; + +/// Entry point of a thread. +typedef void (*osThreadFunc_t) (void *argument); + +/// Timer callback function. +typedef void (*osTimerFunc_t) (void *argument); + +/// Timer type. +typedef enum { + osTimerOnce = 0, ///< One-shot timer. + osTimerPeriodic = 1 ///< Repeating timer. +} osTimerType_t; + +// Timeout value. +#define osWaitForever 0xFFFFFFFFU ///< Wait forever timeout value. + +// Flags options (\ref osThreadFlagsWait and \ref osEventFlagsWait). +#define osFlagsWaitAny 0x00000000U ///< Wait for any flag (default). +#define osFlagsWaitAll 0x00000001U ///< Wait for all flags. +#define osFlagsNoClear 0x00000002U ///< Do not clear flags which have been specified to wait for. + +// Flags errors (returned by osThreadFlagsXxxx and osEventFlagsXxxx). +#define osFlagsError 0x80000000U ///< Error indicator. +#define osFlagsErrorUnknown 0xFFFFFFFFU ///< osError (-1). +#define osFlagsErrorTimeout 0xFFFFFFFEU ///< osErrorTimeout (-2). +#define osFlagsErrorResource 0xFFFFFFFDU ///< osErrorResource (-3). +#define osFlagsErrorParameter 0xFFFFFFFCU ///< osErrorParameter (-4). +#define osFlagsErrorISR 0xFFFFFFFAU ///< osErrorISR (-6). + +// Thread attributes (attr_bits in \ref osThreadAttr_t). +#define osThreadDetached 0x00000000U ///< Thread created in detached mode (default) +#define osThreadJoinable 0x00000001U ///< Thread created in joinable mode + +// Mutex attributes (attr_bits in \ref osMutexAttr_t). +#define osMutexRecursive 0x00000001U ///< Recursive mutex. +#define osMutexPrioInherit 0x00000002U ///< Priority inherit protocol. +#define osMutexRobust 0x00000008U ///< Robust mutex. + +/// Status code values returned by CMSIS-RTOS functions. +typedef enum { + osOK = 0, ///< Operation completed successfully. + osError = -1, ///< Unspecified RTOS error: run-time error but no other error message fits. + osErrorTimeout = -2, ///< Operation not completed within the timeout period. + osErrorResource = -3, ///< Resource not available. + osErrorParameter = -4, ///< Parameter error. + osErrorNoMemory = -5, ///< System is out of memory: it was impossible to allocate or reserve memory for the operation. + osErrorISR = -6, ///< Not allowed in ISR context: the function cannot be called from interrupt service routines. + osStatusReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization. +} osStatus_t; + + +/// \details Thread ID identifies the thread. +typedef void *osThreadId_t; + +/// \details Timer ID identifies the timer. +typedef void *osTimerId_t; + +/// \details Event Flags ID identifies the event flags. +typedef void *osEventFlagsId_t; + +/// \details Mutex ID identifies the mutex. +typedef void *osMutexId_t; + +/// \details Semaphore ID identifies the semaphore. +typedef void *osSemaphoreId_t; + +/// \details Memory Pool ID identifies the memory pool. +typedef void *osMemoryPoolId_t; + +/// \details Message Queue ID identifies the message queue. +typedef void *osMessageQueueId_t; + + +#ifndef TZ_MODULEID_T +#define TZ_MODULEID_T +/// \details Data type that identifies secure software modules called by a process. +typedef uint32_t TZ_ModuleId_t; +#endif + + +/// Attributes structure for thread. +typedef struct { + const char *name; ///< name of the thread + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block + void *stack_mem; ///< memory for stack + uint32_t stack_size; ///< size of stack + osPriority_t priority; ///< initial thread priority (default: osPriorityNormal) + TZ_ModuleId_t tz_module; ///< TrustZone module identifier + uint32_t reserved; ///< reserved (must be 0) +} osThreadAttr_t; + +/// Attributes structure for timer. +typedef struct { + const char *name; ///< name of the timer + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block +} osTimerAttr_t; + +/// Attributes structure for event flags. +typedef struct { + const char *name; ///< name of the event flags + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block +} osEventFlagsAttr_t; + +/// Attributes structure for mutex. +typedef struct { + const char *name; ///< name of the mutex + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block +} osMutexAttr_t; + +/// Attributes structure for semaphore. +typedef struct { + const char *name; ///< name of the semaphore + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block +} osSemaphoreAttr_t; + +/// Attributes structure for memory pool. +typedef struct { + const char *name; ///< name of the memory pool + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block + void *mp_mem; ///< memory for data storage + uint32_t mp_size; ///< size of provided memory for data storage +} osMemoryPoolAttr_t; + +/// Attributes structure for message queue. +typedef struct { + const char *name; ///< name of the message queue + uint32_t attr_bits; ///< attribute bits + void *cb_mem; ///< memory for control block + uint32_t cb_size; ///< size of provided memory for control block + void *mq_mem; ///< memory for data storage + uint32_t mq_size; ///< size of provided memory for data storage +} osMessageQueueAttr_t; + + +// ==== Kernel Management Functions ==== + +/// Initialize the RTOS Kernel. +/// \return status code that indicates the execution status of the function. +osStatus_t osKernelInitialize (void); + +/// Get RTOS Kernel Information. +/// \param[out] version pointer to buffer for retrieving version information. +/// \param[out] id_buf pointer to buffer for retrieving kernel identification string. +/// \param[in] id_size size of buffer for kernel identification string. +/// \return status code that indicates the execution status of the function. +osStatus_t osKernelGetInfo (osVersion_t *version, char *id_buf, uint32_t id_size); + +/// Get the current RTOS Kernel state. +/// \return current RTOS Kernel state. +osKernelState_t osKernelGetState (void); + +/// Start the RTOS Kernel scheduler. +/// \return status code that indicates the execution status of the function. +osStatus_t osKernelStart (void); + +/// Lock the RTOS Kernel scheduler. +/// \return previous lock state (1 - locked, 0 - not locked, error code if negative). +int32_t osKernelLock (void); + +/// Unlock the RTOS Kernel scheduler. +/// \return previous lock state (1 - locked, 0 - not locked, error code if negative). +int32_t osKernelUnlock (void); + +/// Restore the RTOS Kernel scheduler lock state. +/// \param[in] lock lock state obtained by \ref osKernelLock or \ref osKernelUnlock. +/// \return new lock state (1 - locked, 0 - not locked, error code if negative). +int32_t osKernelRestoreLock (int32_t lock); + +/// Suspend the RTOS Kernel scheduler. +/// \return time in ticks, for how long the system can sleep or power-down. +uint32_t osKernelSuspend (void); + +/// Resume the RTOS Kernel scheduler. +/// \param[in] sleep_ticks time in ticks for how long the system was in sleep or power-down mode. +void osKernelResume (uint32_t sleep_ticks); + +/// Get the RTOS kernel tick count. +/// \return RTOS kernel current tick count. +uint32_t osKernelGetTickCount (void); + +/// Get the RTOS kernel tick frequency. +/// \return frequency of the kernel tick in hertz, i.e. kernel ticks per second. +uint32_t osKernelGetTickFreq (void); + +/// Get the RTOS kernel system timer count. +/// \return RTOS kernel current system timer count as 32-bit value. +uint32_t osKernelGetSysTimerCount (void); + +/// Get the RTOS kernel system timer frequency. +/// \return frequency of the system timer in hertz, i.e. timer ticks per second. +uint32_t osKernelGetSysTimerFreq (void); + + +// ==== Thread Management Functions ==== + +/// Create a thread and add it to Active Threads. +/// \param[in] func thread function. +/// \param[in] argument pointer that is passed to the thread function as start argument. +/// \param[in] attr thread attributes; NULL: default values. +/// \return thread ID for reference by other functions or NULL in case of error. +osThreadId_t osThreadNew (osThreadFunc_t func, void *argument, const osThreadAttr_t *attr); + +/// Get name of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return name as null-terminated string. +const char *osThreadGetName (osThreadId_t thread_id); + +/// Return the thread ID of the current running thread. +/// \return thread ID for reference by other functions or NULL in case of error. +osThreadId_t osThreadGetId (void); + +/// Get current thread state of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return current thread state of the specified thread. +osThreadState_t osThreadGetState (osThreadId_t thread_id); + +/// Get stack size of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return stack size in bytes. +uint32_t osThreadGetStackSize (osThreadId_t thread_id); + +/// Get available stack space of a thread based on stack watermark recording during execution. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return remaining stack space in bytes. +uint32_t osThreadGetStackSpace (osThreadId_t thread_id); + +/// Change priority of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \param[in] priority new priority value for the thread function. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadSetPriority (osThreadId_t thread_id, osPriority_t priority); + +/// Get current priority of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return current priority value of the specified thread. +osPriority_t osThreadGetPriority (osThreadId_t thread_id); + +/// Pass control to next thread that is in state \b READY. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadYield (void); + +/// Suspend execution of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadSuspend (osThreadId_t thread_id); + +/// Resume execution of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadResume (osThreadId_t thread_id); + +/// Detach a thread (thread storage can be reclaimed when thread terminates). +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadDetach (osThreadId_t thread_id); + +/// Wait for specified thread to terminate. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadJoin (osThreadId_t thread_id); + +/// Terminate execution of current running thread. +__NO_RETURN void osThreadExit (void); + +/// Terminate execution of a thread. +/// \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. +/// \return status code that indicates the execution status of the function. +osStatus_t osThreadTerminate (osThreadId_t thread_id); + +/// Get number of active threads. +/// \return number of active threads. +uint32_t osThreadGetCount (void); + +/// Enumerate active threads. +/// \param[out] thread_array pointer to array for retrieving thread IDs. +/// \param[in] array_items maximum number of items in array for retrieving thread IDs. +/// \return number of enumerated threads. +uint32_t osThreadEnumerate (osThreadId_t *thread_array, uint32_t array_items); + + +// ==== Thread Flags Functions ==== + +/// 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); + +/// 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); + +/// Get the current Thread Flags of current running thread. +/// \return current thread flags. +uint32_t osThreadFlagsGet (void); + +/// 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); + + +// ==== Generic Wait Functions ==== + +/// 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); + +/// 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); + + +// ==== Timer Management Functions ==== + +/// 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); + +/// 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); + +/// 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); + +/// 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); + +/// 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); + +/// 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); + + +// ==== Event Flags Management Functions ==== + +/// 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); + +/// 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); + +/// 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_ -- cgit