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Dependencies:   BufferedSerial FatFileSystemCpp mbed

mbed-rtos/rtos/Semaphore.cpp@85:0cc5931bb9ef, 2022-12-15 (annotated)

Committer:
JamieB
Date:
Thu Dec 15 06:05:30 2022 +0000
Revision:
85:0cc5931bb9ef
Parent:
22:0dd9c1b5664a 
Push to somewhere else due to merge issue

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AndyA 22:0dd9c1b5664a 1 /* mbed Microcontroller Library
AndyA 22:0dd9c1b5664a 2 * Copyright (c) 2006-2012 ARM Limited
AndyA 22:0dd9c1b5664a 3 *
AndyA 22:0dd9c1b5664a 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
AndyA 22:0dd9c1b5664a 5 * of this software and associated documentation files (the "Software"), to deal
AndyA 22:0dd9c1b5664a 6 * in the Software without restriction, including without limitation the rights
AndyA 22:0dd9c1b5664a 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
AndyA 22:0dd9c1b5664a 8 * copies of the Software, and to permit persons to whom the Software is
AndyA 22:0dd9c1b5664a 9 * furnished to do so, subject to the following conditions:
AndyA 22:0dd9c1b5664a 10 *
AndyA 22:0dd9c1b5664a 11 * The above copyright notice and this permission notice shall be included in
AndyA 22:0dd9c1b5664a 12 * all copies or substantial portions of the Software.
AndyA 22:0dd9c1b5664a 13 *
AndyA 22:0dd9c1b5664a 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
AndyA 22:0dd9c1b5664a 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
AndyA 22:0dd9c1b5664a 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AndyA 22:0dd9c1b5664a 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
AndyA 22:0dd9c1b5664a 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AndyA 22:0dd9c1b5664a 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
AndyA 22:0dd9c1b5664a 20 * SOFTWARE.
AndyA 22:0dd9c1b5664a 21 */
AndyA 22:0dd9c1b5664a 22 #include "Semaphore.h"
AndyA 22:0dd9c1b5664a 23
AndyA 22:0dd9c1b5664a 24 #include <string.h>
AndyA 22:0dd9c1b5664a 25 #include "error.h"
AndyA 22:0dd9c1b5664a 26
AndyA 22:0dd9c1b5664a 27 namespace rtos {
AndyA 22:0dd9c1b5664a 28
AndyA 22:0dd9c1b5664a 29 Semaphore::Semaphore(int32_t count) {
AndyA 22:0dd9c1b5664a 30 #ifdef CMSIS_OS_RTX
AndyA 22:0dd9c1b5664a 31 memset(_semaphore_data, 0, sizeof(_semaphore_data));
AndyA 22:0dd9c1b5664a 32 _osSemaphoreDef.semaphore = _semaphore_data;
AndyA 22:0dd9c1b5664a 33 #endif
AndyA 22:0dd9c1b5664a 34 _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
AndyA 22:0dd9c1b5664a 35 }
AndyA 22:0dd9c1b5664a 36
AndyA 22:0dd9c1b5664a 37 int32_t Semaphore::wait(uint32_t millisec) {
AndyA 22:0dd9c1b5664a 38 return osSemaphoreWait(_osSemaphoreId, millisec);
AndyA 22:0dd9c1b5664a 39 }
AndyA 22:0dd9c1b5664a 40
AndyA 22:0dd9c1b5664a 41 osStatus Semaphore::release(void) {
AndyA 22:0dd9c1b5664a 42 return osSemaphoreRelease(_osSemaphoreId);
AndyA 22:0dd9c1b5664a 43 }
AndyA 22:0dd9c1b5664a 44
AndyA 22:0dd9c1b5664a 45 Semaphore::~Semaphore() {
AndyA 22:0dd9c1b5664a 46 osSemaphoreDelete(_osSemaphoreId);
AndyA 22:0dd9c1b5664a 47 }
AndyA 22:0dd9c1b5664a 48
AndyA 22:0dd9c1b5664a 49 }