Control a robot over the internet using UDP and a Wifly module (WiFi).
Dependencies: Motor TextLCD WiflyInterface mbed-rtos mbed
mbed-rtos/rtos/Semaphore.cpp@0:c0dc3a76f3d4, 2013-10-17 (annotated)
- Committer:
- apatel336
- Date:
- Thu Oct 17 13:27:56 2013 +0000
- Revision:
- 0:c0dc3a76f3d4
Initial Release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
apatel336 | 0:c0dc3a76f3d4 | 1 | /* mbed Microcontroller Library |
apatel336 | 0:c0dc3a76f3d4 | 2 | * Copyright (c) 2006-2012 ARM Limited |
apatel336 | 0:c0dc3a76f3d4 | 3 | * |
apatel336 | 0:c0dc3a76f3d4 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
apatel336 | 0:c0dc3a76f3d4 | 5 | * of this software and associated documentation files (the "Software"), to deal |
apatel336 | 0:c0dc3a76f3d4 | 6 | * in the Software without restriction, including without limitation the rights |
apatel336 | 0:c0dc3a76f3d4 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
apatel336 | 0:c0dc3a76f3d4 | 8 | * copies of the Software, and to permit persons to whom the Software is |
apatel336 | 0:c0dc3a76f3d4 | 9 | * furnished to do so, subject to the following conditions: |
apatel336 | 0:c0dc3a76f3d4 | 10 | * |
apatel336 | 0:c0dc3a76f3d4 | 11 | * The above copyright notice and this permission notice shall be included in |
apatel336 | 0:c0dc3a76f3d4 | 12 | * all copies or substantial portions of the Software. |
apatel336 | 0:c0dc3a76f3d4 | 13 | * |
apatel336 | 0:c0dc3a76f3d4 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
apatel336 | 0:c0dc3a76f3d4 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
apatel336 | 0:c0dc3a76f3d4 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
apatel336 | 0:c0dc3a76f3d4 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
apatel336 | 0:c0dc3a76f3d4 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
apatel336 | 0:c0dc3a76f3d4 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
apatel336 | 0:c0dc3a76f3d4 | 20 | * SOFTWARE. |
apatel336 | 0:c0dc3a76f3d4 | 21 | */ |
apatel336 | 0:c0dc3a76f3d4 | 22 | #include "Semaphore.h" |
apatel336 | 0:c0dc3a76f3d4 | 23 | |
apatel336 | 0:c0dc3a76f3d4 | 24 | #include <string.h> |
apatel336 | 0:c0dc3a76f3d4 | 25 | #include "error.h" |
apatel336 | 0:c0dc3a76f3d4 | 26 | |
apatel336 | 0:c0dc3a76f3d4 | 27 | namespace rtos { |
apatel336 | 0:c0dc3a76f3d4 | 28 | |
apatel336 | 0:c0dc3a76f3d4 | 29 | Semaphore::Semaphore(int32_t count) { |
apatel336 | 0:c0dc3a76f3d4 | 30 | #ifdef CMSIS_OS_RTX |
apatel336 | 0:c0dc3a76f3d4 | 31 | memset(_semaphore_data, 0, sizeof(_semaphore_data)); |
apatel336 | 0:c0dc3a76f3d4 | 32 | _osSemaphoreDef.semaphore = _semaphore_data; |
apatel336 | 0:c0dc3a76f3d4 | 33 | #endif |
apatel336 | 0:c0dc3a76f3d4 | 34 | _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count); |
apatel336 | 0:c0dc3a76f3d4 | 35 | } |
apatel336 | 0:c0dc3a76f3d4 | 36 | |
apatel336 | 0:c0dc3a76f3d4 | 37 | int32_t Semaphore::wait(uint32_t millisec) { |
apatel336 | 0:c0dc3a76f3d4 | 38 | return osSemaphoreWait(_osSemaphoreId, millisec); |
apatel336 | 0:c0dc3a76f3d4 | 39 | } |
apatel336 | 0:c0dc3a76f3d4 | 40 | |
apatel336 | 0:c0dc3a76f3d4 | 41 | osStatus Semaphore::release(void) { |
apatel336 | 0:c0dc3a76f3d4 | 42 | return osSemaphoreRelease(_osSemaphoreId); |
apatel336 | 0:c0dc3a76f3d4 | 43 | } |
apatel336 | 0:c0dc3a76f3d4 | 44 | |
apatel336 | 0:c0dc3a76f3d4 | 45 | Semaphore::~Semaphore() { |
apatel336 | 0:c0dc3a76f3d4 | 46 | osSemaphoreDelete(_osSemaphoreId); |
apatel336 | 0:c0dc3a76f3d4 | 47 | } |
apatel336 | 0:c0dc3a76f3d4 | 48 | |
apatel336 | 0:c0dc3a76f3d4 | 49 | } |