Control a robot over the internet using UDP and a Wifly module (WiFi).

Dependencies:   Motor TextLCD WiflyInterface mbed-rtos mbed

Committer:
apatel336
Date:
Thu Oct 17 13:27:56 2013 +0000
Revision:
0:c0dc3a76f3d4
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew 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 #ifndef MUTEX_H
apatel336 0:c0dc3a76f3d4 23 #define MUTEX_H
apatel336 0:c0dc3a76f3d4 24
apatel336 0:c0dc3a76f3d4 25 #include <stdint.h>
apatel336 0:c0dc3a76f3d4 26 #include "cmsis_os.h"
apatel336 0:c0dc3a76f3d4 27
apatel336 0:c0dc3a76f3d4 28 namespace rtos {
apatel336 0:c0dc3a76f3d4 29
apatel336 0:c0dc3a76f3d4 30 /** The Mutex class is used to synchronise the execution of threads.
apatel336 0:c0dc3a76f3d4 31 This is for example used to protect access to a shared resource.
apatel336 0:c0dc3a76f3d4 32 */
apatel336 0:c0dc3a76f3d4 33 class Mutex {
apatel336 0:c0dc3a76f3d4 34 public:
apatel336 0:c0dc3a76f3d4 35 /** Create and Initialize a Mutex object */
apatel336 0:c0dc3a76f3d4 36 Mutex();
apatel336 0:c0dc3a76f3d4 37
apatel336 0:c0dc3a76f3d4 38 /** Wait until a Mutex becomes available.
apatel336 0:c0dc3a76f3d4 39 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever)
apatel336 0:c0dc3a76f3d4 40 @return status code that indicates the execution status of the function.
apatel336 0:c0dc3a76f3d4 41 */
apatel336 0:c0dc3a76f3d4 42 osStatus lock(uint32_t millisec=osWaitForever);
apatel336 0:c0dc3a76f3d4 43
apatel336 0:c0dc3a76f3d4 44 /** Try to lock the mutex, and return immediately
apatel336 0:c0dc3a76f3d4 45 @return true if the mutex was acquired, false otherwise.
apatel336 0:c0dc3a76f3d4 46 */
apatel336 0:c0dc3a76f3d4 47 bool trylock();
apatel336 0:c0dc3a76f3d4 48
apatel336 0:c0dc3a76f3d4 49 /** Unlock the mutex that has previously been locked by the same thread
apatel336 0:c0dc3a76f3d4 50 @return status code that indicates the execution status of the function.
apatel336 0:c0dc3a76f3d4 51 */
apatel336 0:c0dc3a76f3d4 52 osStatus unlock();
apatel336 0:c0dc3a76f3d4 53
apatel336 0:c0dc3a76f3d4 54 ~Mutex();
apatel336 0:c0dc3a76f3d4 55
apatel336 0:c0dc3a76f3d4 56 private:
apatel336 0:c0dc3a76f3d4 57 osMutexId _osMutexId;
apatel336 0:c0dc3a76f3d4 58 osMutexDef_t _osMutexDef;
apatel336 0:c0dc3a76f3d4 59 #ifdef CMSIS_OS_RTX
apatel336 0:c0dc3a76f3d4 60 int32_t _mutex_data[3];
apatel336 0:c0dc3a76f3d4 61 #endif
apatel336 0:c0dc3a76f3d4 62 };
apatel336 0:c0dc3a76f3d4 63
apatel336 0:c0dc3a76f3d4 64 }
apatel336 0:c0dc3a76f3d4 65 #endif