Code for our FYDP -only one IMU works right now -RTOS is working
Diff: mbed/mbed-rtos/rtos/Mutex.h
- Revision:
- 0:964eb6a2ef00
diff -r 000000000000 -r 964eb6a2ef00 mbed/mbed-rtos/rtos/Mutex.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed/mbed-rtos/rtos/Mutex.h Wed Mar 18 22:23:48 2015 +0000 @@ -0,0 +1,65 @@ +/* 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. + */ +#ifndef MUTEX_H +#define MUTEX_H + +#include <stdint.h> +#include "cmsis_os.h" + +namespace rtos { + +/** The Mutex class is used to synchronise the execution of threads. + This is for example used to protect access to a shared resource. +*/ +class Mutex { +public: + /** Create and Initialize a Mutex object */ + Mutex(); + + /** Wait until a Mutex becomes available. + @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever) + @return status code that indicates the execution status of the function. + */ + osStatus lock(uint32_t millisec=osWaitForever); + + /** Try to lock the mutex, and return immediately + @return true if the mutex was acquired, false otherwise. + */ + bool trylock(); + + /** Unlock the mutex that has previously been locked by the same thread + @return status code that indicates the execution status of the function. + */ + osStatus unlock(); + + ~Mutex(); + +private: + osMutexId _osMutexId; + osMutexDef_t _osMutexDef; +#ifdef CMSIS_OS_RTX + int32_t _mutex_data[3]; +#endif +}; + +} +#endif