Contains example code to connect the mbed LPC1768 or FRDM-K64F devices to the IBM Internet of Things Cloud service via ethernet.

Dependencies:   C12832 MQTT LM75B MMA7660

Dependents:   MFT_IoT_demo_USB400 IBM_RFID

Committer:
samdanbury
Date:
Wed Aug 20 12:45:14 2014 +0000
Revision:
6:37b6d0d56190
Code completely changed to improve the structure, flow and memory usage of the application

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samdanbury 6:37b6d0d56190 1 /* mbed Microcontroller Library
samdanbury 6:37b6d0d56190 2 * Copyright (c) 2006-2012 ARM Limited
samdanbury 6:37b6d0d56190 3 *
samdanbury 6:37b6d0d56190 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
samdanbury 6:37b6d0d56190 5 * of this software and associated documentation files (the "Software"), to deal
samdanbury 6:37b6d0d56190 6 * in the Software without restriction, including without limitation the rights
samdanbury 6:37b6d0d56190 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
samdanbury 6:37b6d0d56190 8 * copies of the Software, and to permit persons to whom the Software is
samdanbury 6:37b6d0d56190 9 * furnished to do so, subject to the following conditions:
samdanbury 6:37b6d0d56190 10 *
samdanbury 6:37b6d0d56190 11 * The above copyright notice and this permission notice shall be included in
samdanbury 6:37b6d0d56190 12 * all copies or substantial portions of the Software.
samdanbury 6:37b6d0d56190 13 *
samdanbury 6:37b6d0d56190 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
samdanbury 6:37b6d0d56190 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
samdanbury 6:37b6d0d56190 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
samdanbury 6:37b6d0d56190 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
samdanbury 6:37b6d0d56190 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samdanbury 6:37b6d0d56190 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
samdanbury 6:37b6d0d56190 20 * SOFTWARE.
samdanbury 6:37b6d0d56190 21 */
samdanbury 6:37b6d0d56190 22 #ifndef SEMAPHORE_H
samdanbury 6:37b6d0d56190 23 #define SEMAPHORE_H
samdanbury 6:37b6d0d56190 24
samdanbury 6:37b6d0d56190 25 #include <stdint.h>
samdanbury 6:37b6d0d56190 26 #include "cmsis_os.h"
samdanbury 6:37b6d0d56190 27
samdanbury 6:37b6d0d56190 28 namespace rtos {
samdanbury 6:37b6d0d56190 29
samdanbury 6:37b6d0d56190 30 /** The Semaphore class is used to manage and protect access to a set of shared resources. */
samdanbury 6:37b6d0d56190 31 class Semaphore {
samdanbury 6:37b6d0d56190 32 public:
samdanbury 6:37b6d0d56190 33 /** Create and Initialize a Semaphore object used for managing resources.
samdanbury 6:37b6d0d56190 34 @param number of available resources; maximum index value is (count-1).
samdanbury 6:37b6d0d56190 35 */
samdanbury 6:37b6d0d56190 36 Semaphore(int32_t count);
samdanbury 6:37b6d0d56190 37
samdanbury 6:37b6d0d56190 38 /** Wait until a Semaphore resource becomes available.
samdanbury 6:37b6d0d56190 39 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
samdanbury 6:37b6d0d56190 40 @return number of available tokens, or -1 in case of incorrect parameters
samdanbury 6:37b6d0d56190 41 */
samdanbury 6:37b6d0d56190 42 int32_t wait(uint32_t millisec=osWaitForever);
samdanbury 6:37b6d0d56190 43
samdanbury 6:37b6d0d56190 44 /** Release a Semaphore resource that was obtain with Semaphore::wait.
samdanbury 6:37b6d0d56190 45 @return status code that indicates the execution status of the function.
samdanbury 6:37b6d0d56190 46 */
samdanbury 6:37b6d0d56190 47 osStatus release(void);
samdanbury 6:37b6d0d56190 48
samdanbury 6:37b6d0d56190 49 ~Semaphore();
samdanbury 6:37b6d0d56190 50
samdanbury 6:37b6d0d56190 51 private:
samdanbury 6:37b6d0d56190 52 osSemaphoreId _osSemaphoreId;
samdanbury 6:37b6d0d56190 53 osSemaphoreDef_t _osSemaphoreDef;
samdanbury 6:37b6d0d56190 54 #ifdef CMSIS_OS_RTX
samdanbury 6:37b6d0d56190 55 uint32_t _semaphore_data[2];
samdanbury 6:37b6d0d56190 56 #endif
samdanbury 6:37b6d0d56190 57 };
samdanbury 6:37b6d0d56190 58
samdanbury 6:37b6d0d56190 59 }
samdanbury 6:37b6d0d56190 60 #endif