Music Visualizer / Mbed 2 deprecated 4180FinalProject

Music Visualizer

Dependencies:   mbed SDFileSystem NeoStrip PinDetect

mbed-rtos/rtos/Semaphore.cpp@9:0e16d1e33c4b, 2020-04-30 (annotated)

Committer:
spatel465
Date:
Thu Apr 30 04:00:33 2020 +0000
Revision:
9:0e16d1e33c4b
Parent:
0:adce77867281 
cleaned up comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
spatel465 0:adce77867281 1 /* mbed Microcontroller Library
spatel465 0:adce77867281 2 * Copyright (c) 2006-2012 ARM Limited
spatel465 0:adce77867281 3 *
spatel465 0:adce77867281 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
spatel465 0:adce77867281 5 * of this software and associated documentation files (the "Software"), to deal
spatel465 0:adce77867281 6 * in the Software without restriction, including without limitation the rights
spatel465 0:adce77867281 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
spatel465 0:adce77867281 8 * copies of the Software, and to permit persons to whom the Software is
spatel465 0:adce77867281 9 * furnished to do so, subject to the following conditions:
spatel465 0:adce77867281 10 *
spatel465 0:adce77867281 11 * The above copyright notice and this permission notice shall be included in
spatel465 0:adce77867281 12 * all copies or substantial portions of the Software.
spatel465 0:adce77867281 13 *
spatel465 0:adce77867281 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
spatel465 0:adce77867281 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
spatel465 0:adce77867281 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
spatel465 0:adce77867281 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
spatel465 0:adce77867281 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
spatel465 0:adce77867281 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
spatel465 0:adce77867281 20 * SOFTWARE.
spatel465 0:adce77867281 21 */
spatel465 0:adce77867281 22 #include "rtos/Semaphore.h"
spatel465 0:adce77867281 23
spatel465 0:adce77867281 24 #include <string.h>
spatel465 0:adce77867281 25
spatel465 0:adce77867281 26 namespace rtos {
spatel465 0:adce77867281 27
spatel465 0:adce77867281 28 Semaphore::Semaphore(int32_t count) {
spatel465 0:adce77867281 29 #ifdef CMSIS_OS_RTX
spatel465 0:adce77867281 30 memset(_semaphore_data, 0, sizeof(_semaphore_data));
spatel465 0:adce77867281 31 _osSemaphoreDef.semaphore = _semaphore_data;
spatel465 0:adce77867281 32 #endif
spatel465 0:adce77867281 33 _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
spatel465 0:adce77867281 34 }
spatel465 0:adce77867281 35
spatel465 0:adce77867281 36 int32_t Semaphore::wait(uint32_t millisec) {
spatel465 0:adce77867281 37 return osSemaphoreWait(_osSemaphoreId, millisec);
spatel465 0:adce77867281 38 }
spatel465 0:adce77867281 39
spatel465 0:adce77867281 40 osStatus Semaphore::release(void) {
spatel465 0:adce77867281 41 return osSemaphoreRelease(_osSemaphoreId);
spatel465 0:adce77867281 42 }
spatel465 0:adce77867281 43
spatel465 0:adce77867281 44 Semaphore::~Semaphore() {
spatel465 0:adce77867281 45 osSemaphoreDelete(_osSemaphoreId);
spatel465 0:adce77867281 46 }
spatel465 0:adce77867281 47
spatel465 0:adce77867281 48 }