diff options
Diffstat (limited to 'Drivers/CMSIS/RTOS2')
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Include/cmsis_os2.h | 756 | ||||
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Include/os_tick.h | 71 | ||||
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Source/os_systick.c | 132 | ||||
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c | 187 | ||||
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Source/os_tick_ptim.c | 165 | ||||
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Template/cmsis_os.h | 922 | ||||
| -rw-r--r-- | Drivers/CMSIS/RTOS2/Template/cmsis_os1.c | 361 |
7 files changed, 2594 insertions, 0 deletions
diff --git a/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h b/Drivers/CMSIS/RTOS2/Include/cmsis_os2.h new file mode 100644 index 0000000..c86740d --- /dev/null +++ b/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 <stdint.h>
+#include <stddef.h>
+
+#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_
diff --git a/Drivers/CMSIS/RTOS2/Include/os_tick.h b/Drivers/CMSIS/RTOS2/Include/os_tick.h new file mode 100644 index 0000000..dfeb953 --- /dev/null +++ b/Drivers/CMSIS/RTOS2/Include/os_tick.h @@ -0,0 +1,71 @@ +/**************************************************************************//**
+ * @file os_tick.h
+ * @brief CMSIS OS Tick header file
+ * @version V1.0.1
+ * @date 24. November 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017-2017 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.
+ */
+
+#ifndef OS_TICK_H
+#define OS_TICK_H
+
+#include <stdint.h>
+
+/// IRQ Handler.
+#ifndef IRQHANDLER_T
+#define IRQHANDLER_T
+typedef void (*IRQHandler_t) (void);
+#endif
+
+/// Setup OS Tick timer to generate periodic RTOS Kernel Ticks
+/// \param[in] freq tick frequency in Hz
+/// \param[in] handler tick IRQ handler
+/// \return 0 on success, -1 on error.
+int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler);
+
+/// Enable OS Tick timer interrupt
+void OS_Tick_Enable (void);
+
+/// Disable OS Tick timer interrupt
+void OS_Tick_Disable (void);
+
+/// Acknowledge execution of OS Tick timer interrupt
+void OS_Tick_AcknowledgeIRQ (void);
+
+/// Get OS Tick timer IRQ number
+/// \return OS Tick IRQ number
+int32_t OS_Tick_GetIRQn (void);
+
+/// Get OS Tick timer clock frequency
+/// \return OS Tick timer clock frequency in Hz
+uint32_t OS_Tick_GetClock (void);
+
+/// Get OS Tick timer interval reload value
+/// \return OS Tick timer interval reload value
+uint32_t OS_Tick_GetInterval (void);
+
+/// Get OS Tick timer counter value
+/// \return OS Tick timer counter value
+uint32_t OS_Tick_GetCount (void);
+
+/// Get OS Tick timer overflow status
+/// \return OS Tick overflow status (1 - overflow, 0 - no overflow).
+uint32_t OS_Tick_GetOverflow (void);
+
+#endif /* OS_TICK_H */
diff --git a/Drivers/CMSIS/RTOS2/Source/os_systick.c b/Drivers/CMSIS/RTOS2/Source/os_systick.c new file mode 100644 index 0000000..f114caa --- /dev/null +++ b/Drivers/CMSIS/RTOS2/Source/os_systick.c @@ -0,0 +1,132 @@ +/**************************************************************************//**
+ * @file os_systick.c
+ * @brief CMSIS OS Tick SysTick implementation
+ * @version V1.0.1
+ * @date 24. November 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017-2017 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.
+ */
+
+#include "os_tick.h"
+
+//lint -emacro((923,9078),SCB,SysTick) "cast from unsigned long to pointer"
+#include "RTE_Components.h"
+#include CMSIS_device_header
+
+#ifdef SysTick
+
+#ifndef SYSTICK_IRQ_PRIORITY
+#define SYSTICK_IRQ_PRIORITY 0xFFU
+#endif
+
+static uint8_t PendST;
+
+// Setup OS Tick.
+__WEAK int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler) {
+ uint32_t load;
+ (void)handler;
+
+ if (freq == 0U) {
+ //lint -e{904} "Return statement before end of function"
+ return (-1);
+ }
+
+ load = (SystemCoreClock / freq) - 1U;
+ if (load > 0x00FFFFFFU) {
+ //lint -e{904} "Return statement before end of function"
+ return (-1);
+ }
+
+ // Set SysTick Interrupt Priority
+#if ((defined(__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ != 0)) || \
+ (defined(__CORTEX_M) && (__CORTEX_M == 7U)))
+ SCB->SHPR[11] = SYSTICK_IRQ_PRIORITY;
+#elif (defined(__ARM_ARCH_8M_BASE__) && (__ARM_ARCH_8M_BASE__ != 0))
+ SCB->SHPR[1] |= ((uint32_t)SYSTICK_IRQ_PRIORITY << 24);
+#elif ((defined(__ARM_ARCH_7M__) && (__ARM_ARCH_7M__ != 0)) || \
+ (defined(__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ != 0)))
+ SCB->SHP[11] = SYSTICK_IRQ_PRIORITY;
+#elif (defined(__ARM_ARCH_6M__) && (__ARM_ARCH_6M__ != 0))
+ SCB->SHP[1] |= ((uint32_t)SYSTICK_IRQ_PRIORITY << 24);
+#else
+#error "Unknown ARM Core!"
+#endif
+
+ SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk;
+ SysTick->LOAD = load;
+ SysTick->VAL = 0U;
+
+ PendST = 0U;
+
+ return (0);
+}
+
+/// Enable OS Tick.
+__WEAK void OS_Tick_Enable (void) {
+
+ if (PendST != 0U) {
+ PendST = 0U;
+ SCB->ICSR = SCB_ICSR_PENDSTSET_Msk;
+ }
+
+ SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+}
+
+/// Disable OS Tick.
+__WEAK void OS_Tick_Disable (void) {
+
+ SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+
+ if ((SCB->ICSR & SCB_ICSR_PENDSTSET_Msk) != 0U) {
+ SCB->ICSR = SCB_ICSR_PENDSTCLR_Msk;
+ PendST = 1U;
+ }
+}
+
+// Acknowledge OS Tick IRQ.
+__WEAK void OS_Tick_AcknowledgeIRQ (void) {
+ (void)SysTick->CTRL;
+}
+
+// Get OS Tick IRQ number.
+__WEAK int32_t OS_Tick_GetIRQn (void) {
+ return ((int32_t)SysTick_IRQn);
+}
+
+// Get OS Tick clock.
+__WEAK uint32_t OS_Tick_GetClock (void) {
+ return (SystemCoreClock);
+}
+
+// Get OS Tick interval.
+__WEAK uint32_t OS_Tick_GetInterval (void) {
+ return (SysTick->LOAD + 1U);
+}
+
+// Get OS Tick count value.
+__WEAK uint32_t OS_Tick_GetCount (void) {
+ uint32_t load = SysTick->LOAD;
+ return (load - SysTick->VAL);
+}
+
+// Get OS Tick overflow status.
+__WEAK uint32_t OS_Tick_GetOverflow (void) {
+ return ((SysTick->CTRL >> 16) & 1U);
+}
+
+#endif // SysTick
diff --git a/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c b/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c new file mode 100644 index 0000000..1778ab7 --- /dev/null +++ b/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c @@ -0,0 +1,187 @@ +/**************************************************************************//**
+ * @file os_tick_gtim.c
+ * @brief CMSIS OS Tick implementation for Generic Timer
+ * @version V1.0.1
+ * @date 24. November 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017 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.
+ */
+
+#include "os_tick.h"
+#include "irq_ctrl.h"
+
+#include "RTE_Components.h"
+#include CMSIS_device_header
+
+#ifndef GTIM_IRQ_PRIORITY
+#define GTIM_IRQ_PRIORITY 0xFFU
+#endif
+
+#ifndef GTIM_IRQ_NUM
+#define GTIM_IRQ_NUM SecurePhyTimer_IRQn
+#endif
+
+// Timer interrupt pending flag
+static uint8_t GTIM_PendIRQ;
+
+// Timer tick frequency
+static uint32_t GTIM_Clock;
+
+// Timer load value
+static uint32_t GTIM_Load;
+
+// Setup OS Tick.
+int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler) {
+ uint32_t prio, bits;
+
+ if (freq == 0U) {
+ return (-1);
+ }
+
+ GTIM_PendIRQ = 0U;
+
+ // Get timer clock
+#ifdef SCTR_BASE
+ GTIM_Clock = *(uint32_t*)(SCTR_BASE+0x20);
+#else
+ // FVP REFCLK CNTControl 100MHz
+ GTIM_Clock = 100000000UL;
+#endif
+
+ PL1_SetCounterFrequency(GTIM_Clock);
+
+ // Calculate load value
+ GTIM_Load = (GTIM_Clock / freq) - 1U;
+
+ // Disable Generic Timer and set load value
+ PL1_SetControl(0U);
+ PL1_SetLoadValue(GTIM_Load);
+
+ // Disable corresponding IRQ
+ IRQ_Disable(GTIM_IRQ_NUM);
+ IRQ_ClearPending(GTIM_IRQ_NUM);
+
+ // Determine number of implemented priority bits
+ IRQ_SetPriority(GTIM_IRQ_NUM, 0xFFU);
+
+ prio = IRQ_GetPriority(GTIM_IRQ_NUM);
+
+ // At least bits [7:4] must be implemented
+ if ((prio & 0xF0U) == 0U) {
+ return (-1);
+ }
+
+ for (bits = 0; bits < 4; bits++) {
+ if ((prio & 0x01) != 0) {
+ break;
+ }
+ prio >>= 1;
+ }
+
+ // Adjust configured priority to the number of implemented priority bits
+ prio = (GTIM_IRQ_PRIORITY << bits) & 0xFFUL;
+
+ // Set Private Timer interrupt priority
+ IRQ_SetPriority(GTIM_IRQ_NUM, prio-1U);
+
+ // Set edge-triggered IRQ
+ IRQ_SetMode(GTIM_IRQ_NUM, IRQ_MODE_TRIG_EDGE);
+
+ // Register tick interrupt handler function
+ IRQ_SetHandler(GTIM_IRQ_NUM, handler);
+
+ // Enable corresponding interrupt
+ IRQ_Enable(GTIM_IRQ_NUM);
+
+ // Enable system counter and timer control
+#ifdef SCTR_BASE
+ *(uint32_t*)SCTR_BASE |= 3U;
+#endif
+
+ // Enable timer control
+ PL1_SetControl(1U);
+
+ return (0);
+}
+
+/// Enable OS Tick.
+void OS_Tick_Enable (void) {
+ uint32_t ctrl;
+
+ // Set pending interrupt if flag set
+ if (GTIM_PendIRQ != 0U) {
+ GTIM_PendIRQ = 0U;
+ IRQ_SetPending (GTIM_IRQ_NUM);
+ }
+
+ // Start the Private Timer
+ ctrl = PL1_GetControl();
+ // Set bit: Timer enable
+ ctrl |= 1U;
+ PL1_SetControl(ctrl);
+}
+
+/// Disable OS Tick.
+void OS_Tick_Disable (void) {
+ uint32_t ctrl;
+
+ // Stop the Private Timer
+ ctrl = PL1_GetControl();
+ // Clear bit: Timer enable
+ ctrl &= ~1U;
+ PL1_SetControl(ctrl);
+
+ // Remember pending interrupt flag
+ if (IRQ_GetPending(GTIM_IRQ_NUM) != 0) {
+ IRQ_ClearPending(GTIM_IRQ_NUM);
+ GTIM_PendIRQ = 1U;
+ }
+}
+
+// Acknowledge OS Tick IRQ.
+void OS_Tick_AcknowledgeIRQ (void) {
+ IRQ_ClearPending (GTIM_IRQ_NUM);
+ PL1_SetLoadValue(GTIM_Load);
+}
+
+// Get OS Tick IRQ number.
+int32_t OS_Tick_GetIRQn (void) {
+ return (GTIM_IRQ_NUM);
+}
+
+// Get OS Tick clock.
+uint32_t OS_Tick_GetClock (void) {
+ return (GTIM_Clock);
+}
+
+// Get OS Tick interval.
+uint32_t OS_Tick_GetInterval (void) {
+ return (GTIM_Load + 1U);
+}
+
+// Get OS Tick count value.
+uint32_t OS_Tick_GetCount (void) {
+ return (GTIM_Load - PL1_GetCurrentValue());
+}
+
+// Get OS Tick overflow status.
+uint32_t OS_Tick_GetOverflow (void) {
+ CNTP_CTL_Type cntp_ctl;
+ cntp_ctl.w = PL1_GetControl();
+ return (cntp_ctl.b.ISTATUS);
+}
diff --git a/Drivers/CMSIS/RTOS2/Source/os_tick_ptim.c b/Drivers/CMSIS/RTOS2/Source/os_tick_ptim.c new file mode 100644 index 0000000..ccd9cb6 --- /dev/null +++ b/Drivers/CMSIS/RTOS2/Source/os_tick_ptim.c @@ -0,0 +1,165 @@ +/**************************************************************************//**
+ * @file os_tick_ptim.c
+ * @brief CMSIS OS Tick implementation for Private Timer
+ * @version V1.0.2
+ * @date 02. March 2018
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017-2018 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.
+ */
+
+#include "RTE_Components.h"
+#include CMSIS_device_header
+
+#if defined(PTIM)
+
+#include "os_tick.h"
+#include "irq_ctrl.h"
+
+#ifndef PTIM_IRQ_PRIORITY
+#define PTIM_IRQ_PRIORITY 0xFFU
+#endif
+
+static uint8_t PTIM_PendIRQ; // Timer interrupt pending flag
+
+// Setup OS Tick.
+int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler) {
+ uint32_t load;
+ uint32_t prio;
+ uint32_t bits;
+
+ if (freq == 0U) {
+ return (-1);
+ }
+
+ PTIM_PendIRQ = 0U;
+
+ // Private Timer runs with the system frequency
+ load = (SystemCoreClock / freq) - 1U;
+
+ // Disable Private Timer and set load value
+ PTIM_SetControl (0U);
+ PTIM_SetLoadValue (load);
+
+ // Disable corresponding IRQ
+ IRQ_Disable (PrivTimer_IRQn);
+ IRQ_ClearPending(PrivTimer_IRQn);
+
+ // Determine number of implemented priority bits
+ IRQ_SetPriority (PrivTimer_IRQn, 0xFFU);
+
+ prio = IRQ_GetPriority (PrivTimer_IRQn);
+
+ // At least bits [7:4] must be implemented
+ if ((prio & 0xF0U) == 0U) {
+ return (-1);
+ }
+
+ for (bits = 0; bits < 4; bits++) {
+ if ((prio & 0x01) != 0) {
+ break;
+ }
+ prio >>= 1;
+ }
+
+ // Adjust configured priority to the number of implemented priority bits
+ prio = (PTIM_IRQ_PRIORITY << bits) & 0xFFUL;
+
+ // Set Private Timer interrupt priority
+ IRQ_SetPriority(PrivTimer_IRQn, prio-1U);
+
+ // Set edge-triggered IRQ
+ IRQ_SetMode(PrivTimer_IRQn, IRQ_MODE_TRIG_EDGE);
+
+ // Register tick interrupt handler function
+ IRQ_SetHandler(PrivTimer_IRQn, handler);
+
+ // Enable corresponding interrupt
+ IRQ_Enable (PrivTimer_IRQn);
+
+ // Set bits: IRQ enable and Auto reload
+ PTIM_SetControl (0x06U);
+
+ return (0);
+}
+
+/// Enable OS Tick.
+void OS_Tick_Enable (void) {
+ uint32_t ctrl;
+
+ // Set pending interrupt if flag set
+ if (PTIM_PendIRQ != 0U) {
+ PTIM_PendIRQ = 0U;
+ IRQ_SetPending (PrivTimer_IRQn);
+ }
+
+ // Start the Private Timer
+ ctrl = PTIM_GetControl();
+ // Set bit: Timer enable
+ ctrl |= 1U;
+ PTIM_SetControl (ctrl);
+}
+
+/// Disable OS Tick.
+void OS_Tick_Disable (void) {
+ uint32_t ctrl;
+
+ // Stop the Private Timer
+ ctrl = PTIM_GetControl();
+ // Clear bit: Timer enable
+ ctrl &= ~1U;
+ PTIM_SetControl (ctrl);
+
+ // Remember pending interrupt flag
+ if (IRQ_GetPending(PrivTimer_IRQn) != 0) {
+ IRQ_ClearPending (PrivTimer_IRQn);
+ PTIM_PendIRQ = 1U;
+ }
+}
+
+// Acknowledge OS Tick IRQ.
+void OS_Tick_AcknowledgeIRQ (void) {
+ PTIM_ClearEventFlag();
+}
+
+// Get OS Tick IRQ number.
+int32_t OS_Tick_GetIRQn (void) {
+ return (PrivTimer_IRQn);
+}
+
+// Get OS Tick clock.
+uint32_t OS_Tick_GetClock (void) {
+ return (SystemCoreClock);
+}
+
+// Get OS Tick interval.
+uint32_t OS_Tick_GetInterval (void) {
+ return (PTIM_GetLoadValue() + 1U);
+}
+
+// Get OS Tick count value.
+uint32_t OS_Tick_GetCount (void) {
+ uint32_t load = PTIM_GetLoadValue();
+ return (load - PTIM_GetCurrentValue());
+}
+
+// Get OS Tick overflow status.
+uint32_t OS_Tick_GetOverflow (void) {
+ return (PTIM->ISR & 1);
+}
+
+#endif // PTIM
diff --git a/Drivers/CMSIS/RTOS2/Template/cmsis_os.h b/Drivers/CMSIS/RTOS2/Template/cmsis_os.h new file mode 100644 index 0000000..5447842 --- /dev/null +++ b/Drivers/CMSIS/RTOS2/Template/cmsis_os.h @@ -0,0 +1,922 @@ +/*
+ * 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-RTOS API
+ * Title: cmsis_os.h template header file
+ *
+ * Version 0.02
+ * Initial Proposal Phase
+ * Version 0.03
+ * osKernelStart added, optional feature: main started as thread
+ * osSemaphores have standard behavior
+ * osTimerCreate does not start the timer, added osTimerStart
+ * osThreadPass is renamed to osThreadYield
+ * Version 1.01
+ * Support for C++ interface
+ * - const attribute removed from the osXxxxDef_t typedefs
+ * - const attribute added to the osXxxxDef macros
+ * Added: osTimerDelete, osMutexDelete, osSemaphoreDelete
+ * Added: osKernelInitialize
+ * Version 1.02
+ * Control functions for short timeouts in microsecond resolution:
+ * Added: osKernelSysTick, osKernelSysTickFrequency, osKernelSysTickMicroSec
+ * Removed: osSignalGet
+ * Version 2.0.0
+ * OS objects creation without macros (dynamic creation and resource allocation):
+ * - added: osXxxxNew functions which replace osXxxxCreate
+ * - added: osXxxxAttr_t structures
+ * - deprecated: osXxxxCreate functions, osXxxxDef_t structures
+ * - deprecated: osXxxxDef and osXxxx macros
+ * osStatus codes simplified and renamed to osStatus_t
+ * osEvent return structure deprecated
+ * Kernel:
+ * - added: osKernelInfo_t and osKernelGetInfo
+ * - added: osKernelState_t and osKernelGetState (replaces osKernelRunning)
+ * - added: osKernelLock, osKernelUnlock
+ * - added: osKernelSuspend, osKernelResume
+ * - added: osKernelGetTickCount, osKernelGetTickFreq
+ * - renamed osKernelSysTick to osKernelGetSysTimerCount
+ * - replaced osKernelSysTickFrequency with osKernelGetSysTimerFreq
+ * - deprecated osKernelSysTickMicroSec
+ * Thread:
+ * - extended number of thread priorities
+ * - renamed osPrioriry to osPrioriry_t
+ * - replaced osThreadCreate with osThreadNew
+ * - added: osThreadGetName
+ * - added: osThreadState_t and osThreadGetState
+ * - added: osThreadGetStackSize, osThreadGetStackSpace
+ * - added: osThreadSuspend, osThreadResume
+ * - added: osThreadJoin, osThreadDetach, osThreadExit
+ * - added: osThreadGetCount, osThreadEnumerate
+ * - added: Thread Flags (moved from Signals)
+ * Signals:
+ * - renamed osSignals to osThreadFlags (moved to Thread Flags)
+ * - changed return value of Set/Clear/Wait functions
+ * - Clear function limited to current running thread
+ * - extended Wait function (options)
+ * - added: osThreadFlagsGet
+ * Event Flags:
+ * - added new independent object for handling Event Flags
+ * Delay and Wait functions:
+ * - added: osDelayUntil
+ * - deprecated: osWait
+ * Timer:
+ * - replaced osTimerCreate with osTimerNew
+ * - added: osTimerGetName, osTimerIsRunning
+ * Mutex:
+ * - extended: attributes (Recursive, Priority Inherit, Robust)
+ * - replaced osMutexCreate with osMutexNew
+ * - renamed osMutexWait to osMutexAcquire
+ * - added: osMutexGetName, osMutexGetOwner
+ * Semaphore:
+ * - extended: maximum and initial token count
+ * - replaced osSemaphoreCreate with osSemaphoreNew
+ * - renamed osSemaphoreWait to osSemaphoreAcquire (changed return value)
+ * - added: osSemaphoreGetName, osSemaphoreGetCount
+ * Memory Pool:
+ * - using osMemoryPool prefix instead of osPool
+ * - replaced osPoolCreate with osMemoryPoolNew
+ * - extended osMemoryPoolAlloc (timeout)
+ * - added: osMemoryPoolGetName
+ * - added: osMemoryPoolGetCapacity, osMemoryPoolGetBlockSize
+ * - added: osMemoryPoolGetCount, osMemoryPoolGetSpace
+ * - added: osMemoryPoolDelete
+ * - deprecated: osPoolCAlloc
+ * Message Queue:
+ * - extended: fixed size message instead of a single 32-bit value
+ * - using osMessageQueue prefix instead of osMessage
+ * - replaced osMessageCreate with osMessageQueueNew
+ * - updated: osMessageQueuePut, osMessageQueueGet
+ * - added: osMessageQueueGetName
+ * - added: osMessageQueueGetCapacity, osMessageQueueGetMsgSize
+ * - added: osMessageQueueGetCount, osMessageQueueGetSpace
+ * - added: osMessageQueueReset, osMessageQueueDelete
+ * Mail Queue:
+ * - deprecated (superseded by extended Message Queue functionality)
+ * 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 2.1.1
+ * Additional functions allowed to be called from Interrupt Service Routines:
+ * - osKernelGetTickCount, osKernelGetTickFreq
+ * Changed Kernel Tick type to uint32_t:
+ * - updated: osKernelGetTickCount, osDelayUntil
+ * Version 2.1.2
+ * Additional functions allowed to be called from Interrupt Service Routines:
+ * - osKernelGetInfo, osKernelGetState
+ * Version 2.1.3
+ * Additional functions allowed to be called from Interrupt Service Routines:
+ * - osThreadGetId
+ *---------------------------------------------------------------------------*/
+
+#ifndef CMSIS_OS_H_
+#define CMSIS_OS_H_
+
+/// \b osCMSIS identifies the CMSIS-RTOS API version.
+#define osCMSIS 0x20001U ///< API version (main[31:16].sub[15:0])
+
+/// \note CAN BE CHANGED: \b osCMSIS_KERNEL identifies the underlying RTOS kernel and version number.
+#define osCMSIS_KERNEL 0x10000U ///< RTOS identification and version (main[31:16].sub[15:0])
+
+/// \note CAN BE CHANGED: \b osKernelSystemId identifies the underlying RTOS kernel.
+#define osKernelSystemId "KERNEL V1.0" ///< RTOS identification string
+
+/// \note CAN BE CHANGED: \b osFeature_xxx identifies RTOS features.
+#define osFeature_MainThread 0 ///< main thread 1=main can be thread, 0=not available
+#define osFeature_Signals 16U ///< maximum number of Signal Flags available per thread
+#define osFeature_Semaphore 65535U ///< maximum count for \ref osSemaphoreCreate function
+#define osFeature_Wait 0 ///< osWait function: 1=available, 0=not available
+#define osFeature_SysTick 1 ///< osKernelSysTick functions: 1=available, 0=not available
+#define osFeature_Pool 1 ///< Memory Pools: 1=available, 0=not available
+#define osFeature_MessageQ 1 ///< Message Queues: 1=available, 0=not available
+#define osFeature_MailQ 1 ///< Mail Queues: 1=available, 0=not available
+
+#if (osCMSIS >= 0x20000U)
+#include "cmsis_os2.h"
+#else
+#include <stdint.h>
+#include <stddef.h>
+#endif
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+// ==== Enumerations, structures, defines ====
+
+/// Priority values.
+#if (osCMSIS < 0x20000U)
+typedef enum {
+ osPriorityIdle = -3, ///< Priority: idle (lowest)
+ osPriorityLow = -2, ///< Priority: low
+ osPriorityBelowNormal = -1, ///< Priority: below normal
+ osPriorityNormal = 0, ///< Priority: normal (default)
+ osPriorityAboveNormal = +1, ///< Priority: above normal
+ osPriorityHigh = +2, ///< Priority: high
+ osPriorityRealtime = +3, ///< Priority: realtime (highest)
+ osPriorityError = 0x84, ///< System cannot determine priority or illegal priority.
+ osPriorityReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization.
+} osPriority;
+#else
+#define osPriority osPriority_t
+#endif
+
+/// Entry point of a thread.
+typedef void (*os_pthread) (void const *argument);
+
+/// Entry point of a timer call back function.
+typedef void (*os_ptimer) (void const *argument);
+
+/// Timer type.
+#if (osCMSIS < 0x20000U)
+typedef enum {
+ osTimerOnce = 0, ///< One-shot timer.
+ osTimerPeriodic = 1 ///< Repeating timer.
+} os_timer_type;
+#else
+#define os_timer_type osTimerType_t
+#endif
+
+/// Timeout value.
+#define osWaitForever 0xFFFFFFFFU ///< Wait forever timeout value.
+
+/// Status code values returned by CMSIS-RTOS functions.
+#if (osCMSIS < 0x20000U)
+typedef enum {
+ osOK = 0, ///< Function completed; no error or event occurred.
+ osEventSignal = 0x08, ///< Function completed; signal event occurred.
+ osEventMessage = 0x10, ///< Function completed; message event occurred.
+ osEventMail = 0x20, ///< Function completed; mail event occurred.
+ osEventTimeout = 0x40, ///< Function completed; timeout occurred.
+ osErrorParameter = 0x80, ///< Parameter error: a mandatory parameter was missing or specified an incorrect object.
+ osErrorResource = 0x81, ///< Resource not available: a specified resource was not available.
+ osErrorTimeoutResource = 0xC1, ///< Resource not available within given time: a specified resource was not available within the timeout period.
+ osErrorISR = 0x82, ///< Not allowed in ISR context: the function cannot be called from interrupt service routines.
+ osErrorISRRecursive = 0x83, ///< Function called multiple times from ISR with same object.
+ osErrorPriority = 0x84, ///< System cannot determine priority or thread has illegal priority.
+ osErrorNoMemory = 0x85, ///< System is out of memory: it was impossible to allocate or reserve memory for the operation.
+ osErrorValue = 0x86, ///< Value of a parameter is out of range.
+ osErrorOS = 0xFF, ///< Unspecified RTOS error: run-time error but no other error message fits.
+ osStatusReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization.
+} osStatus;
+#else
+typedef int32_t osStatus;
+#define osEventSignal (0x08)
+#define osEventMessage (0x10)
+#define osEventMail (0x20)
+#define osEventTimeout (0x40)
+#define osErrorOS osError
+#define osErrorTimeoutResource osErrorTimeout
+#define osErrorISRRecursive (-126)
+#define osErrorValue (-127)
+#define osErrorPriority (-128)
+#endif
+
+
+// >>> the following data type definitions may be adapted towards a specific RTOS
+
+/// Thread ID identifies the thread.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef void *osThreadId;
+#else
+#define osThreadId osThreadId_t
+#endif
+
+/// Timer ID identifies the timer.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef void *osTimerId;
+#else
+#define osTimerId osTimerId_t
+#endif
+
+/// Mutex ID identifies the mutex.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef void *osMutexId;
+#else
+#define osMutexId osMutexId_t
+#endif
+
+/// Semaphore ID identifies the semaphore.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef void *osSemaphoreId;
+#else
+#define osSemaphoreId osSemaphoreId_t
+#endif
+
+/// Pool ID identifies the memory pool.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+typedef void *osPoolId;
+
+/// Message ID identifies the message queue.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+typedef void *osMessageQId;
+
+/// Mail ID identifies the mail queue.
+/// \note CAN BE CHANGED: \b implementation specific in every CMSIS-RTOS.
+typedef void *osMailQId;
+
+
+/// Thread Definition structure contains startup information of a thread.
+/// \note CAN BE CHANGED: \b os_thread_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_thread_def {
+ os_pthread pthread; ///< start address of thread function
+ osPriority tpriority; ///< initial thread priority
+ uint32_t instances; ///< maximum number of instances of that thread function
+ uint32_t stacksize; ///< stack size requirements in bytes; 0 is default stack size
+} osThreadDef_t;
+#else
+typedef struct os_thread_def {
+ os_pthread pthread; ///< start address of thread function
+ osThreadAttr_t attr; ///< thread attributes
+} osThreadDef_t;
+#endif
+
+/// Timer Definition structure contains timer parameters.
+/// \note CAN BE CHANGED: \b os_timer_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_timer_def {
+ os_ptimer ptimer; ///< start address of a timer function
+} osTimerDef_t;
+#else
+typedef struct os_timer_def {
+ os_ptimer ptimer; ///< start address of a timer function
+ osTimerAttr_t attr; ///< timer attributes
+} osTimerDef_t;
+#endif
+
+/// Mutex Definition structure contains setup information for a mutex.
+/// \note CAN BE CHANGED: \b os_mutex_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_mutex_def {
+ uint32_t dummy; ///< dummy value
+} osMutexDef_t;
+#else
+#define osMutexDef_t osMutexAttr_t
+#endif
+
+/// Semaphore Definition structure contains setup information for a semaphore.
+/// \note CAN BE CHANGED: \b os_semaphore_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_semaphore_def {
+ uint32_t dummy; ///< dummy value
+} osSemaphoreDef_t;
+#else
+#define osSemaphoreDef_t osSemaphoreAttr_t
+#endif
+
+/// Definition structure for memory block allocation.
+/// \note CAN BE CHANGED: \b os_pool_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_pool_def {
+ uint32_t pool_sz; ///< number of items (elements) in the pool
+ uint32_t item_sz; ///< size of an item
+ void *pool; ///< pointer to memory for pool
+} osPoolDef_t;
+#else
+typedef struct os_pool_def {
+ uint32_t pool_sz; ///< number of items (elements) in the pool
+ uint32_t item_sz; ///< size of an item
+ osMemoryPoolAttr_t attr; ///< memory pool attributes
+} osPoolDef_t;
+#endif
+
+/// Definition structure for message queue.
+/// \note CAN BE CHANGED: \b os_messageQ_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_messageQ_def {
+ uint32_t queue_sz; ///< number of elements in the queue
+ void *pool; ///< memory array for messages
+} osMessageQDef_t;
+#else
+typedef struct os_messageQ_def {
+ uint32_t queue_sz; ///< number of elements in the queue
+ osMessageQueueAttr_t attr; ///< message queue attributes
+} osMessageQDef_t;
+#endif
+
+/// Definition structure for mail queue.
+/// \note CAN BE CHANGED: \b os_mailQ_def is implementation specific in every CMSIS-RTOS.
+#if (osCMSIS < 0x20000U)
+typedef struct os_mailQ_def {
+ uint32_t queue_sz; ///< number of elements in the queue
+ uint32_t item_sz; ///< size of an item
+ void *pool; ///< memory array for mail
+} osMailQDef_t;
+#else
+typedef struct os_mailQ_def {
+ uint32_t queue_sz; ///< number of elements in the queue
+ uint32_t item_sz; ///< size of an item
+ void *mail; ///< pointer to mail
+ osMemoryPoolAttr_t mp_attr; ///< memory pool attributes
+ osMessageQueueAttr_t mq_attr; ///< message queue attributes
+} osMailQDef_t;
+#endif
+
+
+/// Event structure contains detailed information about an event.
+typedef struct {
+ osStatus status; ///< status code: event or error information
+ union {
+ uint32_t v; ///< message as 32-bit value
+ void *p; ///< message or mail as void pointer
+ int32_t signals; ///< signal flags
+ } value; ///< event value
+ union {
+ osMailQId mail_id; ///< mail id obtained by \ref osMailCreate
+ osMessageQId message_id; ///< message id obtained by \ref osMessageCreate
+ } def; ///< event definition
+} osEvent;
+
+
+// ==== Kernel Management Functions ====
+
+/// Initialize the RTOS Kernel for creating objects.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osKernelInitialize (void);
+#endif
+
+/// Start the RTOS Kernel scheduler.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osKernelStart (void);
+#endif
+
+/// Check if the RTOS kernel is already started.
+/// \return 0 RTOS is not started, 1 RTOS is started.
+#if (osCMSIS < 0x20000U)
+int32_t osKernelRunning(void);
+#endif
+
+#if (defined(osFeature_SysTick) && (osFeature_SysTick != 0)) // System Timer available
+
+/// Get the RTOS kernel system timer counter.
+/// \return RTOS kernel system timer as 32-bit value
+#if (osCMSIS < 0x20000U)
+uint32_t osKernelSysTick (void);
+#else
+#define osKernelSysTick osKernelGetSysTimerCount
+#endif
+
+/// The RTOS kernel system timer frequency in Hz.
+/// \note Reflects the system timer setting and is typically defined in a configuration file.
+#if (osCMSIS < 0x20000U)
+#define osKernelSysTickFrequency 100000000
+#endif
+
+/// Convert a microseconds value to a RTOS kernel system timer value.
+/// \param microsec time value in microseconds.
+/// \return time value normalized to the \ref osKernelSysTickFrequency
+#if (osCMSIS < 0x20000U)
+#define osKernelSysTickMicroSec(microsec) (((uint64_t)microsec * (osKernelSysTickFrequency)) / 1000000)
+#else
+#define osKernelSysTickMicroSec(microsec) (((uint64_t)microsec * osKernelGetSysTimerFreq()) / 1000000)
+#endif
+
+#endif // System Timer available
+
+
+// ==== Thread Management Functions ====
+
+/// Create a Thread Definition with function, priority, and stack requirements.
+/// \param name name of the thread function.
+/// \param priority initial priority of the thread function.
+/// \param instances number of possible thread instances.
+/// \param stacksz stack size (in bytes) requirements for the thread function.
+/// \note CAN BE CHANGED: The parameters to \b osThreadDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osThreadDef(name, priority, instances, stacksz) \
+extern const osThreadDef_t os_thread_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osThreadDef(name, priority, instances, stacksz) \
+const osThreadDef_t os_thread_def_##name = \
+{ (name), (priority), (instances), (stacksz) }
+#else
+#define osThreadDef(name, priority, instances, stacksz) \
+const osThreadDef_t os_thread_def_##name = \
+{ (name), \
+ { NULL, osThreadDetached, NULL, 0U, NULL, 8*((stacksz+7)/8), (priority), 0U, 0U } }
+#endif
+#endif
+
+/// Access a Thread definition.
+/// \param name name of the thread definition object.
+/// \note CAN BE CHANGED: The parameter to \b osThread shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osThread(name) \
+&os_thread_def_##name
+
+/// Create a thread and add it to Active Threads and set it to state READY.
+/// \param[in] thread_def thread definition referenced with \ref osThread.
+/// \param[in] argument pointer that is passed to the thread function as start argument.
+/// \return thread ID for reference by other functions or NULL in case of error.
+osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument);
+
+/// Return the thread ID of the current running thread.
+/// \return thread ID for reference by other functions or NULL in case of error.
+#if (osCMSIS < 0x20000U)
+osThreadId osThreadGetId (void);
+#endif
+
+/// Change priority of a thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] priority new priority value for the thread function.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority);
+#endif
+
+/// Get current priority of a thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return current priority value of the specified thread.
+#if (osCMSIS < 0x20000U)
+osPriority osThreadGetPriority (osThreadId thread_id);
+#endif
+
+/// Pass control to next thread that is in state \b READY.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osThreadYield (void);
+#endif
+
+/// Terminate execution of a thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osThreadTerminate (osThreadId thread_id);
+#endif
+
+
+// ==== Signal Management ====
+
+/// Set the specified Signal Flags of an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] signals specifies the signal flags of the thread that should be set.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+int32_t osSignalSet (osThreadId thread_id, int32_t signals);
+
+/// Clear the specified Signal Flags of an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] signals specifies the signal flags of the thread that shall be cleared.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters or call from ISR.
+int32_t osSignalClear (osThreadId thread_id, int32_t signals);
+
+/// Wait for one or more Signal Flags to become signaled for the current \b RUNNING thread.
+/// \param[in] signals wait until all specified signal flags set or 0 for any single signal flag.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return event flag information or error code.
+osEvent osSignalWait (int32_t signals, uint32_t millisec);
+
+
+// ==== Generic Wait Functions ====
+
+/// Wait for Timeout (Time Delay).
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "time delay" value
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osDelay (uint32_t millisec);
+#endif
+
+#if (defined (osFeature_Wait) && (osFeature_Wait != 0)) // Generic Wait available
+
+/// Wait for Signal, Message, Mail, or Timeout.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return event that contains signal, message, or mail information or error code.
+osEvent osWait (uint32_t millisec);
+
+#endif // Generic Wait available
+
+
+// ==== Timer Management Functions ====
+
+/// Define a Timer object.
+/// \param name name of the timer object.
+/// \param function name of the timer call back function.
+/// \note CAN BE CHANGED: The parameter to \b osTimerDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osTimerDef(name, function) \
+extern const osTimerDef_t os_timer_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osTimerDef(name, function) \
+const osTimerDef_t os_timer_def_##name = { (function) }
+#else
+#define osTimerDef(name, function) \
+const osTimerDef_t os_timer_def_##name = \
+{ (function), { NULL, 0U, NULL, 0U } }
+#endif
+#endif
+
+/// Access a Timer definition.
+/// \param name name of the timer object.
+/// \note CAN BE CHANGED: The parameter to \b osTimer shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osTimer(name) \
+&os_timer_def_##name
+
+/// Create and Initialize a timer.
+/// \param[in] timer_def timer object referenced with \ref osTimer.
+/// \param[in] type osTimerOnce for one-shot or osTimerPeriodic for periodic behavior.
+/// \param[in] argument argument to the timer call back function.
+/// \return timer ID for reference by other functions or NULL in case of error.
+osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument);
+
+/// Start or restart a timer.
+/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "time delay" value of the timer.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osTimerStart (osTimerId timer_id, uint32_t millisec);
+#endif
+
+/// Stop a timer.
+/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osTimerStop (osTimerId timer_id);
+#endif
+
+/// Delete a timer.
+/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osTimerDelete (osTimerId timer_id);
+#endif
+
+
+// ==== Mutex Management Functions ====
+
+/// Define a Mutex.
+/// \param name name of the mutex object.
+/// \note CAN BE CHANGED: The parameter to \b osMutexDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osMutexDef(name) \
+extern const osMutexDef_t os_mutex_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osMutexDef(name) \
+const osMutexDef_t os_mutex_def_##name = { 0 }
+#else
+#define osMutexDef(name) \
+const osMutexDef_t os_mutex_def_##name = \
+{ NULL, osMutexRecursive | osMutexPrioInherit | osMutexRobust, NULL, 0U }
+#endif
+#endif
+
+/// Access a Mutex definition.
+/// \param name name of the mutex object.
+/// \note CAN BE CHANGED: The parameter to \b osMutex shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osMutex(name) \
+&os_mutex_def_##name
+
+/// Create and Initialize a Mutex object.
+/// \param[in] mutex_def mutex definition referenced with \ref osMutex.
+/// \return mutex ID for reference by other functions or NULL in case of error.
+osMutexId osMutexCreate (const osMutexDef_t *mutex_def);
+
+/// Wait until a Mutex becomes available.
+/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec);
+#else
+#define osMutexWait osMutexAcquire
+#endif
+
+/// Release a Mutex that was obtained by \ref osMutexWait.
+/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osMutexRelease (osMutexId mutex_id);
+#endif
+
+/// Delete a Mutex object.
+/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osMutexDelete (osMutexId mutex_id);
+#endif
+
+
+// ==== Semaphore Management Functions ====
+
+#if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0U)) // Semaphore available
+
+/// Define a Semaphore object.
+/// \param name name of the semaphore object.
+/// \note CAN BE CHANGED: The parameter to \b osSemaphoreDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osSemaphoreDef(name) \
+extern const osSemaphoreDef_t os_semaphore_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osSemaphoreDef(name) \
+const osSemaphoreDef_t os_semaphore_def_##name = { 0 }
+#else
+#define osSemaphoreDef(name) \
+const osSemaphoreDef_t os_semaphore_def_##name = \
+{ NULL, 0U, NULL, 0U }
+#endif
+#endif
+
+/// Access a Semaphore definition.
+/// \param name name of the semaphore object.
+/// \note CAN BE CHANGED: The parameter to \b osSemaphore shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osSemaphore(name) \
+&os_semaphore_def_##name
+
+/// Create and Initialize a Semaphore object.
+/// \param[in] semaphore_def semaphore definition referenced with \ref osSemaphore.
+/// \param[in] count maximum and initial number of available tokens.
+/// \return semaphore ID for reference by other functions or NULL in case of error.
+osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count);
+
+/// Wait until a Semaphore token becomes available.
+/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return number of available tokens, or -1 in case of incorrect parameters.
+int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec);
+
+/// Release a Semaphore token.
+/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osSemaphoreRelease (osSemaphoreId semaphore_id);
+#endif
+
+/// Delete a Semaphore object.
+/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
+/// \return status code that indicates the execution status of the function.
+#if (osCMSIS < 0x20000U)
+osStatus osSemaphoreDelete (osSemaphoreId semaphore_id);
+#endif
+
+#endif // Semaphore available
+
+
+// ==== Memory Pool Management Functions ====
+
+#if (defined(osFeature_Pool) && (osFeature_Pool != 0)) // Memory Pool available
+
+/// \brief Define a Memory Pool.
+/// \param name name of the memory pool.
+/// \param no maximum number of blocks (objects) in the memory pool.
+/// \param type data type of a single block (object).
+/// \note CAN BE CHANGED: The parameter to \b osPoolDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osPoolDef(name, no, type) \
+extern const osPoolDef_t os_pool_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osPoolDef(name, no, type) \
+const osPoolDef_t os_pool_def_##name = \
+{ (no), sizeof(type), NULL }
+#else
+#define osPoolDef(name, no, type) \
+const osPoolDef_t os_pool_def_##name = \
+{ (no), sizeof(type), { NULL, 0U, NULL, 0U, NULL, 0U } }
+#endif
+#endif
+
+/// \brief Access a Memory Pool definition.
+/// \param name name of the memory pool
+/// \note CAN BE CHANGED: The parameter to \b osPool shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osPool(name) \
+&os_pool_def_##name
+
+/// Create and Initialize a Memory Pool object.
+/// \param[in] pool_def memory pool definition referenced with \ref osPool.
+/// \return memory pool ID for reference by other functions or NULL in case of error.
+osPoolId osPoolCreate (const osPoolDef_t *pool_def);
+
+/// Allocate a memory block from a Memory Pool.
+/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
+/// \return address of the allocated memory block or NULL in case of no memory available.
+void *osPoolAlloc (osPoolId pool_id);
+
+/// Allocate a memory block from a Memory Pool and set memory block to zero.
+/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
+/// \return address of the allocated memory block or NULL in case of no memory available.
+void *osPoolCAlloc (osPoolId pool_id);
+
+/// Return an allocated memory block back to a Memory Pool.
+/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
+/// \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 osPoolFree (osPoolId pool_id, void *block);
+
+#endif // Memory Pool available
+
+
+// ==== Message Queue Management Functions ====
+
+#if (defined(osFeature_MessageQ) && (osFeature_MessageQ != 0)) // Message Queue available
+
+/// \brief Create a Message Queue Definition.
+/// \param name name of the queue.
+/// \param queue_sz maximum number of messages in the queue.
+/// \param type data type of a single message element (for debugger).
+/// \note CAN BE CHANGED: The parameter to \b osMessageQDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osMessageQDef(name, queue_sz, type) \
+extern const osMessageQDef_t os_messageQ_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osMessageQDef(name, queue_sz, type) \
+const osMessageQDef_t os_messageQ_def_##name = \
+{ (queue_sz), NULL }
+#else
+#define osMessageQDef(name, queue_sz, type) \
+const osMessageQDef_t os_messageQ_def_##name = \
+{ (queue_sz), { NULL, 0U, NULL, 0U, NULL, 0U } }
+#endif
+#endif
+
+/// \brief Access a Message Queue Definition.
+/// \param name name of the queue
+/// \note CAN BE CHANGED: The parameter to \b osMessageQ shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osMessageQ(name) \
+&os_messageQ_def_##name
+
+/// Create and Initialize a Message Queue object.
+/// \param[in] queue_def message queue definition referenced with \ref osMessageQ.
+/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
+/// \return message queue ID for reference by other functions or NULL in case of error.
+osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id);
+
+/// Put a Message to a Queue.
+/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
+/// \param[in] info message information.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return status code that indicates the execution status of the function.
+osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
+
+/// Get a Message from a Queue or timeout if Queue is empty.
+/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return event information that includes status code.
+osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec);
+
+#endif // Message Queue available
+
+
+// ==== Mail Queue Management Functions ====
+
+#if (defined(osFeature_MailQ) && (osFeature_MailQ != 0)) // Mail Queue available
+
+/// \brief Create a Mail Queue Definition.
+/// \param name name of the queue.
+/// \param queue_sz maximum number of mails in the queue.
+/// \param type data type of a single mail element.
+/// \note CAN BE CHANGED: The parameter to \b osMailQDef shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osMailQDef(name, queue_sz, type) \
+extern const osMailQDef_t os_mailQ_def_##name
+#else // define the object
+#if (osCMSIS < 0x20000U)
+#define osMailQDef(name, queue_sz, type) \
+const osMailQDef_t os_mailQ_def_##name = \
+{ (queue_sz), sizeof(type), NULL }
+#else
+#define osMailQDef(name, queue_sz, type) \
+static void *os_mail_p_##name[2]; \
+const osMailQDef_t os_mailQ_def_##name = \
+{ (queue_sz), sizeof(type), (&os_mail_p_##name), \
+ { NULL, 0U, NULL, 0U, NULL, 0U }, \
+ { NULL, 0U, NULL, 0U, NULL, 0U } }
+#endif
+#endif
+
+/// \brief Access a Mail Queue Definition.
+/// \param name name of the queue
+/// \note CAN BE CHANGED: The parameter to \b osMailQ shall be consistent but the
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osMailQ(name) \
+&os_mailQ_def_##name
+
+/// Create and Initialize a Mail Queue object.
+/// \param[in] queue_def mail queue definition referenced with \ref osMailQ.
+/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
+/// \return mail queue ID for reference by other functions or NULL in case of error.
+osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id);
+
+/// Allocate a memory block for mail from a mail memory pool.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return pointer to memory block that can be filled with mail or NULL in case of error.
+void *osMailAlloc (osMailQId queue_id, uint32_t millisec);
+
+/// Allocate a memory block for mail from a mail memory pool and set memory block to zero.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return pointer to memory block that can be filled with mail or NULL in case of error.
+void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);
+
+/// Put a Mail into a Queue.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] mail pointer to memory with mail to put into a queue.
+/// \return status code that indicates the execution status of the function.
+osStatus osMailPut (osMailQId queue_id, const void *mail);
+
+/// Get a Mail from a Queue or timeout if Queue is empty.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return event information that includes status code.
+osEvent osMailGet (osMailQId queue_id, uint32_t millisec);
+
+/// Free a memory block by returning it to a mail memory pool.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] mail pointer to memory block that was obtained with \ref osMailGet.
+/// \return status code that indicates the execution status of the function.
+osStatus osMailFree (osMailQId queue_id, void *mail);
+
+#endif // Mail Queue available
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CMSIS_OS_H_
diff --git a/Drivers/CMSIS/RTOS2/Template/cmsis_os1.c b/Drivers/CMSIS/RTOS2/Template/cmsis_os1.c new file mode 100644 index 0000000..effe4a1 --- /dev/null +++ b/Drivers/CMSIS/RTOS2/Template/cmsis_os1.c @@ -0,0 +1,361 @@ +/*
+ * Copyright (c) 2013-2017 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: 10. January 2017
+ * $Revision: V1.2
+ *
+ * Project: CMSIS-RTOS API V1
+ * Title: cmsis_os_v1.c V1 module file
+ *---------------------------------------------------------------------------*/
+
+#include <string.h>
+#include "cmsis_os.h"
+
+#if (osCMSIS >= 0x20000U)
+
+
+// Thread
+osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument) {
+
+ if (thread_def == NULL) {
+ return (osThreadId)NULL;
+ }
+ return osThreadNew((osThreadFunc_t)thread_def->pthread, argument, &thread_def->attr);
+}
+
+
+// Signals
+
+#define SignalMask ((1U<<osFeature_Signals)-1U)
+
+int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
+ uint32_t flags;
+
+ flags = osThreadFlagsSet(thread_id, (uint32_t)signals);
+ if ((flags & 0x80000000U) != 0U) {
+ return ((int32_t)0x80000000U);
+ }
+ return ((int32_t)(flags & ~((uint32_t)signals)));
+}
+
+int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
+ uint32_t flags;
+
+ if (thread_id != osThreadGetId()) {
+ return ((int32_t)0x80000000U);
+ }
+ flags = osThreadFlagsClear((uint32_t)signals);
+ if ((flags & 0x80000000U) != 0U) {
+ return ((int32_t)0x80000000U);
+ }
+ return ((int32_t)flags);
+}
+
+osEvent osSignalWait (int32_t signals, uint32_t millisec) {
+ osEvent event;
+ uint32_t flags;
+
+ if (signals != 0) {
+ flags = osThreadFlagsWait((uint32_t)signals, osFlagsWaitAll, millisec);
+ } else {
+ flags = osThreadFlagsWait(SignalMask, osFlagsWaitAny, millisec);
+ }
+ if ((flags > 0U) && (flags < 0x80000000U)) {
+ event.status = osEventSignal;
+ event.value.signals = (int32_t)flags;
+ } else {
+ switch ((int32_t)flags) {
+ case osErrorResource:
+ event.status = osOK;
+ break;
+ case osErrorTimeout:
+ event.status = osEventTimeout;
+ break;
+ case osErrorParameter:
+ event.status = osErrorValue;
+ break;
+ default:
+ event.status = (osStatus)flags;
+ break;
+ }
+ }
+ return event;
+}
+
+
+// Timer
+osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+
+ if (timer_def == NULL) {
+ return (osTimerId)NULL;
+ }
+ return osTimerNew((osTimerFunc_t)timer_def->ptimer, type, argument, &timer_def->attr);
+}
+
+
+// Mutex
+osMutexId osMutexCreate (const osMutexDef_t *mutex_def) {
+
+ if (mutex_def == NULL) {
+ return (osMutexId)NULL;
+ }
+ return osMutexNew(mutex_def);
+}
+
+
+// Semaphore
+
+#if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0U))
+
+osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
+
+ if (semaphore_def == NULL) {
+ return (osSemaphoreId)NULL;
+ }
+ return osSemaphoreNew((uint32_t)count, (uint32_t)count, semaphore_def);
+}
+
+int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
+ osStatus_t status;
+ uint32_t count;
+
+ status = osSemaphoreAcquire(semaphore_id, millisec);
+ switch (status) {
+ case osOK:
+ count = osSemaphoreGetCount(semaphore_id);
+ return ((int32_t)count + 1);
+ case osErrorResource:
+ case osErrorTimeout:
+ return 0;
+ default:
+ break;
+ }
+ return -1;
+}
+
+#endif // Semaphore
+
+
+// Memory Pool
+
+#if (defined(osFeature_Pool) && (osFeature_Pool != 0))
+
+osPoolId osPoolCreate (const osPoolDef_t *pool_def) {
+
+ if (pool_def == NULL) {
+ return (osPoolId)NULL;
+ }
+ return ((osPoolId)(osMemoryPoolNew(pool_def->pool_sz, pool_def->item_sz, &pool_def->attr)));
+}
+
+void *osPoolAlloc (osPoolId pool_id) {
+ return osMemoryPoolAlloc((osMemoryPoolId_t)pool_id, 0U);
+}
+
+void *osPoolCAlloc (osPoolId pool_id) {
+ void *block;
+ uint32_t block_size;
+
+ block_size = osMemoryPoolGetBlockSize((osMemoryPoolId_t)pool_id);
+ if (block_size == 0U) {
+ return NULL;
+ }
+ block = osMemoryPoolAlloc((osMemoryPoolId_t)pool_id, 0U);
+ if (block != NULL) {
+ memset(block, 0, block_size);
+ }
+ return block;
+}
+
+osStatus osPoolFree (osPoolId pool_id, void *block) {
+ return osMemoryPoolFree((osMemoryPoolId_t)pool_id, block);
+}
+
+#endif // Memory Pool
+
+
+// Message Queue
+
+#if (defined(osFeature_MessageQ) && (osFeature_MessageQ != 0))
+
+osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) {
+ (void)thread_id;
+
+ if (queue_def == NULL) {
+ return (osMessageQId)NULL;
+ }
+ return ((osMessageQId)(osMessageQueueNew(queue_def->queue_sz, sizeof(uint32_t), &queue_def->attr)));
+}
+
+osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+ return osMessageQueuePut((osMessageQueueId_t)queue_id, &info, 0U, millisec);
+}
+
+osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
+ osStatus_t status;
+ osEvent event;
+ uint32_t message;
+
+ status = osMessageQueueGet((osMessageQueueId_t)queue_id, &message, NULL, millisec);
+ switch (status) {
+ case osOK:
+ event.status = osEventMessage;
+ event.value.v = message;
+ break;
+ case osErrorResource:
+ event.status = osOK;
+ break;
+ case osErrorTimeout:
+ event.status = osEventTimeout;
+ break;
+ default:
+ event.status = status;
+ break;
+ }
+ return event;
+}
+
+#endif // Message Queue
+
+
+// Mail Queue
+
+#if (defined(osFeature_MailQ) && (osFeature_MailQ != 0))
+
+typedef struct os_mail_queue_s {
+ osMemoryPoolId_t mp_id;
+ osMessageQueueId_t mq_id;
+} os_mail_queue_t;
+
+osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) {
+ os_mail_queue_t *ptr;
+ (void)thread_id;
+
+ if (queue_def == NULL) {
+ return (osMailQId)NULL;
+ }
+
+ ptr = queue_def->mail;
+ if (ptr == NULL) {
+ return (osMailQId)NULL;
+ }
+
+ ptr->mp_id = osMemoryPoolNew (queue_def->queue_sz, queue_def->item_sz, &queue_def->mp_attr);
+ ptr->mq_id = osMessageQueueNew(queue_def->queue_sz, sizeof(void *), &queue_def->mq_attr);
+ if ((ptr->mp_id == (osMemoryPoolId_t)NULL) || (ptr->mq_id == (osMessageQueueId_t)NULL)) {
+ if (ptr->mp_id != (osMemoryPoolId_t)NULL) {
+ osMemoryPoolDelete(ptr->mp_id);
+ }
+ if (ptr->mq_id != (osMessageQueueId_t)NULL) {
+ osMessageQueueDelete(ptr->mq_id);
+ }
+ return (osMailQId)NULL;
+ }
+
+ return (osMailQId)ptr;
+}
+
+void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
+ os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
+
+ if (ptr == NULL) {
+ return NULL;
+ }
+ return osMemoryPoolAlloc(ptr->mp_id, millisec);
+}
+
+void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
+ os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
+ void *block;
+ uint32_t block_size;
+
+ if (ptr == NULL) {
+ return NULL;
+ }
+ block_size = osMemoryPoolGetBlockSize(ptr->mp_id);
+ if (block_size == 0U) {
+ return NULL;
+ }
+ block = osMemoryPoolAlloc(ptr->mp_id, millisec);
+ if (block != NULL) {
+ memset(block, 0, block_size);
+ }
+
+ return block;
+
+}
+
+osStatus osMailPut (osMailQId queue_id, const void *mail) {
+ os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
+
+ if (ptr == NULL) {
+ return osErrorParameter;
+ }
+ if (mail == NULL) {
+ return osErrorValue;
+ }
+ return osMessageQueuePut(ptr->mq_id, &mail, 0U, 0U);
+}
+
+osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
+ os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
+ osStatus_t status;
+ osEvent event;
+ void *mail;
+
+ if (ptr == NULL) {
+ event.status = osErrorParameter;
+ return event;
+ }
+
+ status = osMessageQueueGet(ptr->mq_id, &mail, NULL, millisec);
+ switch (status) {
+ case osOK:
+ event.status = osEventMail;
+ event.value.p = mail;
+ break;
+ case osErrorResource:
+ event.status = osOK;
+ break;
+ case osErrorTimeout:
+ event.status = osEventTimeout;
+ break;
+ default:
+ event.status = status;
+ break;
+ }
+ return event;
+}
+
+osStatus osMailFree (osMailQId queue_id, void *mail) {
+ os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
+
+ if (ptr == NULL) {
+ return osErrorParameter;
+ }
+ if (mail == NULL) {
+ return osErrorValue;
+ }
+ return osMemoryPoolFree(ptr->mp_id, mail);
+}
+
+#endif // Mail Queue
+
+
+#endif // osCMSIS
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