
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
Diff: mbed-rtos/rtos/Mail.h
- Revision:
- 9:58eb378727d9
- Parent:
- 8:80d49dd91542
- Child:
- 10:0b5e0dfee08e
--- a/mbed-rtos/rtos/Mail.h Wed Oct 01 13:27:35 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* 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 MAIL_H -#define MAIL_H - -#include <stdint.h> -#include <string.h> - -#include "cmsis_os.h" - -namespace rtos { - -/** The Mail class allow to control, send, receive, or wait for mail. - A mail is a memory block that is send to a thread or interrupt service routine. - @tparam T data type of a single message element. - @tparam queue_sz maximum number of messages in queue. -*/ -template<typename T, uint32_t queue_sz> -class Mail { -public: - /** Create and Initialise Mail queue. */ - Mail() { - #ifdef CMSIS_OS_RTX - memset(_mail_q, 0, sizeof(_mail_q)); - _mail_p[0] = _mail_q; - - memset(_mail_m, 0, sizeof(_mail_m)); - _mail_p[1] = _mail_m; - - _mail_def.pool = _mail_p; - _mail_def.queue_sz = queue_sz; - _mail_def.item_sz = sizeof(T); - #endif - _mail_id = osMailCreate(&_mail_def, NULL); - } - - /** Allocate a memory block of type T - @param millisec timeout value or 0 in case of no time-out. (default: 0). - @return pointer to memory block that can be filled with mail or NULL in case error. - */ - T* alloc(uint32_t millisec=0) { - return (T*)osMailAlloc(_mail_id, millisec); - } - - /** Allocate a memory block of type T and set memory block to zero. - @param millisec timeout value or 0 in case of no time-out. (default: 0). - @return pointer to memory block that can be filled with mail or NULL in case error. - */ - T* calloc(uint32_t millisec=0) { - return (T*)osMailCAlloc(_mail_id, millisec); - } - - /** Put a mail in the queue. - @param mptr memory block previously allocated with Mail::alloc or Mail::calloc. - @return status code that indicates the execution status of the function. - */ - osStatus put(T *mptr) { - return osMailPut(_mail_id, (void*)mptr); - } - - /** Get a mail from a queue. - @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever). - @return event that contains mail information or error code. - */ - osEvent get(uint32_t millisec=osWaitForever) { - return osMailGet(_mail_id, millisec); - } - - /** Free a memory block from a mail. - @param mptr pointer to the memory block that was obtained with Mail::get. - @return status code that indicates the execution status of the function. - */ - osStatus free(T *mptr) { - return osMailFree(_mail_id, (void*)mptr); - } - -private: - osMailQId _mail_id; - osMailQDef_t _mail_def; -#ifdef CMSIS_OS_RTX - uint32_t _mail_q[4+(queue_sz)]; - uint32_t _mail_m[3+((sizeof(T)+3)/4)*(queue_sz)]; - void *_mail_p[2]; -#endif -}; - -} - -#endif -