Control a robot over the internet using UDP and a Wifly module (WiFi).
Dependencies: Motor TextLCD WiflyInterface mbed-rtos mbed
Diff: mbed-rtos/rtos/Semaphore.cpp
- Revision:
- 0:c0dc3a76f3d4
diff -r 000000000000 -r c0dc3a76f3d4 mbed-rtos/rtos/Semaphore.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos/rtos/Semaphore.cpp Thu Oct 17 13:27:56 2013 +0000 @@ -0,0 +1,49 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "Semaphore.h" + +#include <string.h> +#include "error.h" + +namespace rtos { + +Semaphore::Semaphore(int32_t count) { +#ifdef CMSIS_OS_RTX + memset(_semaphore_data, 0, sizeof(_semaphore_data)); + _osSemaphoreDef.semaphore = _semaphore_data; +#endif + _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count); +} + +int32_t Semaphore::wait(uint32_t millisec) { + return osSemaphoreWait(_osSemaphoreId, millisec); +} + +osStatus Semaphore::release(void) { + return osSemaphoreRelease(_osSemaphoreId); +} + +Semaphore::~Semaphore() { + osSemaphoreDelete(_osSemaphoreId); +} + +}