Weiyu Liu
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rtos/Semaphore.cpp@105:94371fac911d, 2016-04-29 (annotated)
- Committer:
- wliu88
- Date:
- Fri Apr 29 02:03:17 2016 +0000
- Revision:
- 105:94371fac911d
- Parent:
- 40:bd07334df5b1
new
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 8:88a1a9c26ae3 | 1 | /* mbed Microcontroller Library |
| emilmont | 8:88a1a9c26ae3 | 2 | * Copyright (c) 2006-2012 ARM Limited |
| emilmont | 8:88a1a9c26ae3 | 3 | * |
| emilmont | 8:88a1a9c26ae3 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| emilmont | 8:88a1a9c26ae3 | 5 | * of this software and associated documentation files (the "Software"), to deal |
| emilmont | 8:88a1a9c26ae3 | 6 | * in the Software without restriction, including without limitation the rights |
| emilmont | 8:88a1a9c26ae3 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| emilmont | 8:88a1a9c26ae3 | 8 | * copies of the Software, and to permit persons to whom the Software is |
| emilmont | 8:88a1a9c26ae3 | 9 | * furnished to do so, subject to the following conditions: |
| emilmont | 8:88a1a9c26ae3 | 10 | * |
| emilmont | 8:88a1a9c26ae3 | 11 | * The above copyright notice and this permission notice shall be included in |
| emilmont | 8:88a1a9c26ae3 | 12 | * all copies or substantial portions of the Software. |
| emilmont | 8:88a1a9c26ae3 | 13 | * |
| emilmont | 8:88a1a9c26ae3 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| emilmont | 8:88a1a9c26ae3 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| emilmont | 8:88a1a9c26ae3 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| emilmont | 8:88a1a9c26ae3 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| emilmont | 8:88a1a9c26ae3 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| emilmont | 8:88a1a9c26ae3 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| emilmont | 8:88a1a9c26ae3 | 20 | * SOFTWARE. |
| emilmont | 8:88a1a9c26ae3 | 21 | */ |
| emilmont | 8:88a1a9c26ae3 | 22 | #include "Semaphore.h" |
| emilmont | 8:88a1a9c26ae3 | 23 | |
| emilmont | 8:88a1a9c26ae3 | 24 | #include <string.h> |
| emilmont | 8:88a1a9c26ae3 | 25 | |
| emilmont | 8:88a1a9c26ae3 | 26 | namespace rtos { |
| emilmont | 8:88a1a9c26ae3 | 27 | |
| emilmont | 8:88a1a9c26ae3 | 28 | Semaphore::Semaphore(int32_t count) { |
| emilmont | 8:88a1a9c26ae3 | 29 | #ifdef CMSIS_OS_RTX |
| emilmont | 8:88a1a9c26ae3 | 30 | memset(_semaphore_data, 0, sizeof(_semaphore_data)); |
| emilmont | 8:88a1a9c26ae3 | 31 | _osSemaphoreDef.semaphore = _semaphore_data; |
| emilmont | 8:88a1a9c26ae3 | 32 | #endif |
| emilmont | 8:88a1a9c26ae3 | 33 | _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count); |
| emilmont | 8:88a1a9c26ae3 | 34 | } |
| emilmont | 8:88a1a9c26ae3 | 35 | |
| emilmont | 8:88a1a9c26ae3 | 36 | int32_t Semaphore::wait(uint32_t millisec) { |
| emilmont | 8:88a1a9c26ae3 | 37 | return osSemaphoreWait(_osSemaphoreId, millisec); |
| emilmont | 8:88a1a9c26ae3 | 38 | } |
| emilmont | 8:88a1a9c26ae3 | 39 | |
| emilmont | 8:88a1a9c26ae3 | 40 | osStatus Semaphore::release(void) { |
| emilmont | 8:88a1a9c26ae3 | 41 | return osSemaphoreRelease(_osSemaphoreId); |
| emilmont | 8:88a1a9c26ae3 | 42 | } |
| emilmont | 8:88a1a9c26ae3 | 43 | |
| emilmont | 8:88a1a9c26ae3 | 44 | Semaphore::~Semaphore() { |
| emilmont | 8:88a1a9c26ae3 | 45 | osSemaphoreDelete(_osSemaphoreId); |
| emilmont | 8:88a1a9c26ae3 | 46 | } |
| emilmont | 8:88a1a9c26ae3 | 47 | |
| emilmont | 8:88a1a9c26ae3 | 48 | } |