Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbed-rtos/rtx/TARGET_CORTEX_M/rt_Robin.c@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 11:cada08fc8a70 1 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 2 * RL-ARM - RTX
mbedAustin 11:cada08fc8a70 3 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 4 * Name: RT_ROBIN.C
mbedAustin 11:cada08fc8a70 5 * Purpose: Round Robin Task switching
mbedAustin 11:cada08fc8a70 6 * Rev.: V4.60
mbedAustin 11:cada08fc8a70 7 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 8 *
mbedAustin 11:cada08fc8a70 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
mbedAustin 11:cada08fc8a70 10 * All rights reserved.
mbedAustin 11:cada08fc8a70 11 * Redistribution and use in source and binary forms, with or without
mbedAustin 11:cada08fc8a70 12 * modification, are permitted provided that the following conditions are met:
mbedAustin 11:cada08fc8a70 13 * - Redistributions of source code must retain the above copyright
mbedAustin 11:cada08fc8a70 14 * notice, this list of conditions and the following disclaimer.
mbedAustin 11:cada08fc8a70 15 * - Redistributions in binary form must reproduce the above copyright
mbedAustin 11:cada08fc8a70 16 * notice, this list of conditions and the following disclaimer in the
mbedAustin 11:cada08fc8a70 17 * documentation and/or other materials provided with the distribution.
mbedAustin 11:cada08fc8a70 18 * - Neither the name of ARM nor the names of its contributors may be used
mbedAustin 11:cada08fc8a70 19 * to endorse or promote products derived from this software without
mbedAustin 11:cada08fc8a70 20 * specific prior written permission.
mbedAustin 11:cada08fc8a70 21 *
mbedAustin 11:cada08fc8a70 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbedAustin 11:cada08fc8a70 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbedAustin 11:cada08fc8a70 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mbedAustin 11:cada08fc8a70 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mbedAustin 11:cada08fc8a70 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbedAustin 11:cada08fc8a70 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbedAustin 11:cada08fc8a70 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbedAustin 11:cada08fc8a70 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbedAustin 11:cada08fc8a70 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mbedAustin 11:cada08fc8a70 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbedAustin 11:cada08fc8a70 32 * POSSIBILITY OF SUCH DAMAGE.
mbedAustin 11:cada08fc8a70 33 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 34
mbedAustin 11:cada08fc8a70 35 #include "rt_TypeDef.h"
mbedAustin 11:cada08fc8a70 36 #include "RTX_Conf.h"
mbedAustin 11:cada08fc8a70 37 #include "rt_List.h"
mbedAustin 11:cada08fc8a70 38 #include "rt_Task.h"
mbedAustin 11:cada08fc8a70 39 #include "rt_Time.h"
mbedAustin 11:cada08fc8a70 40 #include "rt_Robin.h"
mbedAustin 11:cada08fc8a70 41 #include "rt_HAL_CM.h"
mbedAustin 11:cada08fc8a70 42
mbedAustin 11:cada08fc8a70 43 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 44 * Global Variables
mbedAustin 11:cada08fc8a70 45 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 46
mbedAustin 11:cada08fc8a70 47 struct OS_ROBIN os_robin;
mbedAustin 11:cada08fc8a70 48
mbedAustin 11:cada08fc8a70 49
mbedAustin 11:cada08fc8a70 50 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 51 * Global Functions
mbedAustin 11:cada08fc8a70 52 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 53
mbedAustin 11:cada08fc8a70 54 /*--------------------------- rt_init_robin ---------------------------------*/
mbedAustin 11:cada08fc8a70 55
mbedAustin 11:cada08fc8a70 56 __weak void rt_init_robin (void) {
mbedAustin 11:cada08fc8a70 57 /* Initialize Round Robin variables. */
mbedAustin 11:cada08fc8a70 58 os_robin.task = NULL;
mbedAustin 11:cada08fc8a70 59 os_robin.tout = (U16)os_rrobin;
mbedAustin 11:cada08fc8a70 60 }
mbedAustin 11:cada08fc8a70 61
mbedAustin 11:cada08fc8a70 62 /*--------------------------- rt_chk_robin ----------------------------------*/
mbedAustin 11:cada08fc8a70 63
mbedAustin 11:cada08fc8a70 64 __weak void rt_chk_robin (void) {
mbedAustin 11:cada08fc8a70 65 /* Check if Round Robin timeout expired and switch to the next ready task.*/
mbedAustin 11:cada08fc8a70 66 P_TCB p_new;
mbedAustin 11:cada08fc8a70 67
mbedAustin 11:cada08fc8a70 68 if (os_robin.task != os_rdy.p_lnk) {
mbedAustin 11:cada08fc8a70 69 /* New task was suspended, reset Round Robin timeout. */
mbedAustin 11:cada08fc8a70 70 os_robin.task = os_rdy.p_lnk;
mbedAustin 11:cada08fc8a70 71 os_robin.time = (U16)os_time + os_robin.tout - 1;
mbedAustin 11:cada08fc8a70 72 }
mbedAustin 11:cada08fc8a70 73 if (os_robin.time == (U16)os_time) {
mbedAustin 11:cada08fc8a70 74 /* Round Robin timeout has expired, swap Robin tasks. */
mbedAustin 11:cada08fc8a70 75 os_robin.task = NULL;
mbedAustin 11:cada08fc8a70 76 p_new = rt_get_first (&os_rdy);
mbedAustin 11:cada08fc8a70 77 rt_put_prio ((P_XCB)&os_rdy, p_new);
mbedAustin 11:cada08fc8a70 78 }
mbedAustin 11:cada08fc8a70 79 }
mbedAustin 11:cada08fc8a70 80
mbedAustin 11:cada08fc8a70 81 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 82 * end of file
mbedAustin 11:cada08fc8a70 83 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 84