Ankit Patel / Mbed 2 deprecated Robot_Control_UDP_Wifi

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

Dependencies:   Motor TextLCD WiflyInterface mbed-rtos mbed

mbed-rtos/rtos/Queue.h@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?

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 QUEUE_H
apatel336 0:c0dc3a76f3d4 23 #define QUEUE_H
apatel336 0:c0dc3a76f3d4 24
apatel336 0:c0dc3a76f3d4 25 #include <stdint.h>
apatel336 0:c0dc3a76f3d4 26 #include <string.h>
apatel336 0:c0dc3a76f3d4 27
apatel336 0:c0dc3a76f3d4 28 #include "cmsis_os.h"
apatel336 0:c0dc3a76f3d4 29 #include "error.h"
apatel336 0:c0dc3a76f3d4 30
apatel336 0:c0dc3a76f3d4 31 namespace rtos {
apatel336 0:c0dc3a76f3d4 32
apatel336 0:c0dc3a76f3d4 33 /** The Queue class allow to control, send, receive, or wait for messages.
apatel336 0:c0dc3a76f3d4 34 A message can be a integer or pointer value to a certain type T that is send
apatel336 0:c0dc3a76f3d4 35 to a thread or interrupt service routine.
apatel336 0:c0dc3a76f3d4 36 @tparam T data type of a single message element.
apatel336 0:c0dc3a76f3d4 37 @tparam queue_sz maximum number of messages in queue.
apatel336 0:c0dc3a76f3d4 38 */
apatel336 0:c0dc3a76f3d4 39 template<typename T, uint32_t queue_sz>
apatel336 0:c0dc3a76f3d4 40 class Queue {
apatel336 0:c0dc3a76f3d4 41 public:
apatel336 0:c0dc3a76f3d4 42 /** Create and initialise a message Queue. */
apatel336 0:c0dc3a76f3d4 43 Queue() {
apatel336 0:c0dc3a76f3d4 44 #ifdef CMSIS_OS_RTX
apatel336 0:c0dc3a76f3d4 45 memset(_queue_q, 0, sizeof(_queue_q));
apatel336 0:c0dc3a76f3d4 46 _queue_def.pool = _queue_q;
apatel336 0:c0dc3a76f3d4 47 _queue_def.queue_sz = queue_sz;
apatel336 0:c0dc3a76f3d4 48 #endif
apatel336 0:c0dc3a76f3d4 49 _queue_id = osMessageCreate(&_queue_def, NULL);
apatel336 0:c0dc3a76f3d4 50 if (_queue_id == NULL) {
apatel336 0:c0dc3a76f3d4 51 error("Error initialising the queue object\n");
apatel336 0:c0dc3a76f3d4 52 }
apatel336 0:c0dc3a76f3d4 53 }
apatel336 0:c0dc3a76f3d4 54
apatel336 0:c0dc3a76f3d4 55 /** Put a message in a Queue.
apatel336 0:c0dc3a76f3d4 56 @param data message pointer.
apatel336 0:c0dc3a76f3d4 57 @param millisec timeout value or 0 in case of no time-out. (default: 0)
apatel336 0:c0dc3a76f3d4 58 @return status code that indicates the execution status of the function.
apatel336 0:c0dc3a76f3d4 59 */
apatel336 0:c0dc3a76f3d4 60 osStatus put(T* data, uint32_t millisec=0) {
apatel336 0:c0dc3a76f3d4 61 return osMessagePut(_queue_id, (uint32_t)data, millisec);
apatel336 0:c0dc3a76f3d4 62 }
apatel336 0:c0dc3a76f3d4 63
apatel336 0:c0dc3a76f3d4 64 /** Get a message or Wait for a message from a Queue.
apatel336 0:c0dc3a76f3d4 65 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
apatel336 0:c0dc3a76f3d4 66 @return event information that includes the message and the status code.
apatel336 0:c0dc3a76f3d4 67 */
apatel336 0:c0dc3a76f3d4 68 osEvent get(uint32_t millisec=osWaitForever) {
apatel336 0:c0dc3a76f3d4 69 return osMessageGet(_queue_id, millisec);
apatel336 0:c0dc3a76f3d4 70 }
apatel336 0:c0dc3a76f3d4 71
apatel336 0:c0dc3a76f3d4 72 private:
apatel336 0:c0dc3a76f3d4 73 osMessageQId _queue_id;
apatel336 0:c0dc3a76f3d4 74 osMessageQDef_t _queue_def;
apatel336 0:c0dc3a76f3d4 75 #ifdef CMSIS_OS_RTX
apatel336 0:c0dc3a76f3d4 76 uint32_t _queue_q[4+(queue_sz)];
apatel336 0:c0dc3a76f3d4 77 #endif
apatel336 0:c0dc3a76f3d4 78 };
apatel336 0:c0dc3a76f3d4 79
apatel336 0:c0dc3a76f3d4 80 }
apatel336 0:c0dc3a76f3d4 81 #endif