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mbed_rtos_types.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2019, ARM Limited, All Rights Reserved 00003 * SPDX-License-Identifier: Apache-2.0 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 #ifndef RTOS_TYPES_H_ 00018 #define RTOS_TYPES_H_ 00019 00020 #if MBED_CONF_RTOS_PRESENT || defined(DOXYGEN_ONLY) || defined(UNITTEST) 00021 #include "cmsis_os2.h" 00022 #else 00023 00024 #ifdef __cplusplus 00025 extern "C" { 00026 #endif 00027 00028 /* Minimal definitions for bare metal form of RTOS */ 00029 00030 // Timeout value. 00031 #define osWaitForever 0xFFFFFFFFU ///< Wait forever timeout value. 00032 00033 // Flags options (\ref osThreadFlagsWait and \ref osEventFlagsWait). 00034 #define osFlagsWaitAny 0x00000000U ///< Wait for any flag (default). 00035 #define osFlagsWaitAll 0x00000001U ///< Wait for all flags. 00036 #define osFlagsNoClear 0x00000002U ///< Do not clear flags which have been specified to wait for. 00037 00038 // Flags errors (returned by osThreadFlagsXxxx and osEventFlagsXxxx). 00039 #define osFlagsError 0x80000000U ///< Error indicator. 00040 #define osFlagsErrorUnknown 0xFFFFFFFFU ///< osError (-1). 00041 #define osFlagsErrorTimeout 0xFFFFFFFEU ///< osErrorTimeout (-2). 00042 #define osFlagsErrorResource 0xFFFFFFFDU ///< osErrorResource (-3). 00043 #define osFlagsErrorParameter 0xFFFFFFFCU ///< osErrorParameter (-4). 00044 #define osFlagsErrorISR 0xFFFFFFFAU ///< osErrorISR (-6). 00045 00046 // Status code values returned by CMSIS-RTOS functions. 00047 typedef enum { 00048 osOK = 0, ///< Operation completed successfully. 00049 osError = -1, ///< Unspecified RTOS error: run-time error but no other error message fits. 00050 osErrorTimeout = -2, ///< Operation not completed within the timeout period. 00051 osErrorResource = -3, ///< Resource not available. 00052 osErrorParameter = -4, ///< Parameter error. 00053 osErrorNoMemory = -5, ///< System is out of memory: it was impossible to allocate or reserve memory for the operation. 00054 osErrorISR = -6, ///< Not allowed in ISR context: the function cannot be called from interrupt service routines. 00055 osStatusReserved = 0x7FFFFFFF ///< Prevents enum down-size compiler optimization. 00056 } osStatus_t; 00057 00058 00059 // \details Thread ID identifies the thread. 00060 typedef void *osThreadId_t; 00061 00062 // Set the specified Thread Flags of a thread. 00063 // \param[in] thread_id thread ID obtained by \ref osThreadNew or \ref osThreadGetId. 00064 // \param[in] flags specifies the flags of the thread that shall be set. 00065 // \return thread flags after setting or error code if highest bit set. 00066 uint32_t osThreadFlagsSet(osThreadId_t thread_id, uint32_t flags); 00067 00068 #ifdef __cplusplus 00069 } 00070 #endif 00071 00072 #endif 00073 00074 00075 00076 #endif /* RTOS_TYPES_H_ */
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