text: /*
   * Copyright (c) , Arm Limited and affiliates.
   * 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
   *
   *     http://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 __CMSIS_OS2_H__
  #define __CMSIS_OS2_H__
  
  #include <inttypes.h>
  
  //If conflicts, then remove these, copied from cmsis_os.h
  typedef int32_t                  osStatus;
  
  #define osOK 0
  #define osErrorNoMemory -5
  
  
  //These are from cmsis_os2.h
  typedef void *osSemaphoreId_t;
  
  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;
  
  //Thread
  typedef enum {
      osPriorityNormal        = 24       ///< Priority: normal
  } osPriority_t;
  
  typedef void *osThreadId_t;
  
  typedef void *osEventFlagsId_t;
  
  /// Attributes structure for thread.
  typedef struct {
  } osThreadAttr_t;
  
  #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.
  
  
  #endif
  