u-blox / Mbed 2 deprecated IBMIoTClientEthernetExample

Port to C027 (using AppShield and Ethernet)

Dependencies:   C12832 EthernetInterface LM75B MMA7660 MQTT mbed-rtos mbed

Fork of IBMIoTClientEthernetExample by IBM Watson IoT

mbed-rtos/rtx/rt_Robin.c@6:37b6d0d56190, 2014-08-20 (annotated)

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 /*----------------------------------------------------------------------------
samdanbury 6:37b6d0d56190 2 * RL-ARM - RTX
samdanbury 6:37b6d0d56190 3 *----------------------------------------------------------------------------
samdanbury 6:37b6d0d56190 4 * Name: RT_ROBIN.C
samdanbury 6:37b6d0d56190 5 * Purpose: Round Robin Task switching
samdanbury 6:37b6d0d56190 6 * Rev.: V4.60
samdanbury 6:37b6d0d56190 7 *----------------------------------------------------------------------------
samdanbury 6:37b6d0d56190 8 *
samdanbury 6:37b6d0d56190 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
samdanbury 6:37b6d0d56190 10 * All rights reserved.
samdanbury 6:37b6d0d56190 11 * Redistribution and use in source and binary forms, with or without
samdanbury 6:37b6d0d56190 12 * modification, are permitted provided that the following conditions are met:
samdanbury 6:37b6d0d56190 13 * - Redistributions of source code must retain the above copyright
samdanbury 6:37b6d0d56190 14 * notice, this list of conditions and the following disclaimer.
samdanbury 6:37b6d0d56190 15 * - Redistributions in binary form must reproduce the above copyright
samdanbury 6:37b6d0d56190 16 * notice, this list of conditions and the following disclaimer in the
samdanbury 6:37b6d0d56190 17 * documentation and/or other materials provided with the distribution.
samdanbury 6:37b6d0d56190 18 * - Neither the name of ARM nor the names of its contributors may be used
samdanbury 6:37b6d0d56190 19 * to endorse or promote products derived from this software without
samdanbury 6:37b6d0d56190 20 * specific prior written permission.
samdanbury 6:37b6d0d56190 21 *
samdanbury 6:37b6d0d56190 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
samdanbury 6:37b6d0d56190 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
samdanbury 6:37b6d0d56190 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
samdanbury 6:37b6d0d56190 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
samdanbury 6:37b6d0d56190 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
samdanbury 6:37b6d0d56190 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
samdanbury 6:37b6d0d56190 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
samdanbury 6:37b6d0d56190 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
samdanbury 6:37b6d0d56190 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
samdanbury 6:37b6d0d56190 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
samdanbury 6:37b6d0d56190 32 * POSSIBILITY OF SUCH DAMAGE.
samdanbury 6:37b6d0d56190 33 *---------------------------------------------------------------------------*/
samdanbury 6:37b6d0d56190 34
samdanbury 6:37b6d0d56190 35 #include "rt_TypeDef.h"
samdanbury 6:37b6d0d56190 36 #include "RTX_Conf.h"
samdanbury 6:37b6d0d56190 37 #include "rt_List.h"
samdanbury 6:37b6d0d56190 38 #include "rt_Task.h"
samdanbury 6:37b6d0d56190 39 #include "rt_Time.h"
samdanbury 6:37b6d0d56190 40 #include "rt_Robin.h"
samdanbury 6:37b6d0d56190 41 #include "rt_HAL_CM.h"
samdanbury 6:37b6d0d56190 42
samdanbury 6:37b6d0d56190 43 /*----------------------------------------------------------------------------
samdanbury 6:37b6d0d56190 44 * Global Variables
samdanbury 6:37b6d0d56190 45 *---------------------------------------------------------------------------*/
samdanbury 6:37b6d0d56190 46
samdanbury 6:37b6d0d56190 47 struct OS_ROBIN os_robin;
samdanbury 6:37b6d0d56190 48
samdanbury 6:37b6d0d56190 49
samdanbury 6:37b6d0d56190 50 /*----------------------------------------------------------------------------
samdanbury 6:37b6d0d56190 51 * Global Functions
samdanbury 6:37b6d0d56190 52 *---------------------------------------------------------------------------*/
samdanbury 6:37b6d0d56190 53
samdanbury 6:37b6d0d56190 54 /*--------------------------- rt_init_robin ---------------------------------*/
samdanbury 6:37b6d0d56190 55
samdanbury 6:37b6d0d56190 56 __weak void rt_init_robin (void) {
samdanbury 6:37b6d0d56190 57 /* Initialize Round Robin variables. */
samdanbury 6:37b6d0d56190 58 os_robin.task = NULL;
samdanbury 6:37b6d0d56190 59 os_robin.tout = (U16)os_rrobin;
samdanbury 6:37b6d0d56190 60 }
samdanbury 6:37b6d0d56190 61
samdanbury 6:37b6d0d56190 62 /*--------------------------- rt_chk_robin ----------------------------------*/
samdanbury 6:37b6d0d56190 63
samdanbury 6:37b6d0d56190 64 __weak void rt_chk_robin (void) {
samdanbury 6:37b6d0d56190 65 /* Check if Round Robin timeout expired and switch to the next ready task.*/
samdanbury 6:37b6d0d56190 66 P_TCB p_new;
samdanbury 6:37b6d0d56190 67
samdanbury 6:37b6d0d56190 68 if (os_robin.task != os_rdy.p_lnk) {
samdanbury 6:37b6d0d56190 69 /* New task was suspended, reset Round Robin timeout. */
samdanbury 6:37b6d0d56190 70 os_robin.task = os_rdy.p_lnk;
samdanbury 6:37b6d0d56190 71 os_robin.time = (U16)os_time + os_robin.tout - 1;
samdanbury 6:37b6d0d56190 72 }
samdanbury 6:37b6d0d56190 73 if (os_robin.time == (U16)os_time) {
samdanbury 6:37b6d0d56190 74 /* Round Robin timeout has expired, swap Robin tasks. */
samdanbury 6:37b6d0d56190 75 os_robin.task = NULL;
samdanbury 6:37b6d0d56190 76 p_new = rt_get_first (&os_rdy);
samdanbury 6:37b6d0d56190 77 rt_put_prio ((P_XCB)&os_rdy, p_new);
samdanbury 6:37b6d0d56190 78 }
samdanbury 6:37b6d0d56190 79 }
samdanbury 6:37b6d0d56190 80
samdanbury 6:37b6d0d56190 81 /*----------------------------------------------------------------------------
samdanbury 6:37b6d0d56190 82 * end of file
samdanbury 6:37b6d0d56190 83 *---------------------------------------------------------------------------*/
samdanbury 6:37b6d0d56190 84