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_A/rt_List.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_LIST.C
mbedAustin 11:cada08fc8a70 5 * Purpose: Functions for the management of different lists
mbedAustin 11:cada08fc8a70 6 * Rev.: V4.70
mbedAustin 11:cada08fc8a70 7 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 8 *
mbedAustin 11:cada08fc8a70 9 * Copyright (c) 1999-2009 KEIL, 2009-2013 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_Config.h"
mbedAustin 11:cada08fc8a70 37 #include "rt_System.h"
mbedAustin 11:cada08fc8a70 38 #include "rt_List.h"
mbedAustin 11:cada08fc8a70 39 #include "rt_Task.h"
mbedAustin 11:cada08fc8a70 40 #include "rt_Time.h"
mbedAustin 11:cada08fc8a70 41 #ifdef __CORTEX_A9
mbedAustin 11:cada08fc8a70 42 #include "rt_HAL_CA.h"
mbedAustin 11:cada08fc8a70 43 #else
mbedAustin 11:cada08fc8a70 44 #include "rt_HAL_CM.h"
mbedAustin 11:cada08fc8a70 45 #endif
mbedAustin 11:cada08fc8a70 46
mbedAustin 11:cada08fc8a70 47 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 48 * Global Variables
mbedAustin 11:cada08fc8a70 49 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 50
mbedAustin 11:cada08fc8a70 51 /* List head of chained ready tasks */
mbedAustin 11:cada08fc8a70 52 struct OS_XCB os_rdy;
mbedAustin 11:cada08fc8a70 53 /* List head of chained delay tasks */
mbedAustin 11:cada08fc8a70 54 struct OS_XCB os_dly;
mbedAustin 11:cada08fc8a70 55
mbedAustin 11:cada08fc8a70 56
mbedAustin 11:cada08fc8a70 57 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 58 * Functions
mbedAustin 11:cada08fc8a70 59 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 60
mbedAustin 11:cada08fc8a70 61
mbedAustin 11:cada08fc8a70 62 /*--------------------------- rt_put_prio -----------------------------------*/
mbedAustin 11:cada08fc8a70 63
mbedAustin 11:cada08fc8a70 64 void rt_put_prio (P_XCB p_CB, P_TCB p_task) {
mbedAustin 11:cada08fc8a70 65 /* Put task identified with "p_task" into list ordered by priority. */
mbedAustin 11:cada08fc8a70 66 /* "p_CB" points to head of list; list has always an element at end with */
mbedAustin 11:cada08fc8a70 67 /* a priority less than "p_task->prio". */
mbedAustin 11:cada08fc8a70 68 P_TCB p_CB2;
mbedAustin 11:cada08fc8a70 69 U32 prio;
mbedAustin 11:cada08fc8a70 70 BOOL sem_mbx = __FALSE;
mbedAustin 11:cada08fc8a70 71
mbedAustin 11:cada08fc8a70 72 if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
mbedAustin 11:cada08fc8a70 73 sem_mbx = __TRUE;
mbedAustin 11:cada08fc8a70 74 }
mbedAustin 11:cada08fc8a70 75 prio = p_task->prio;
mbedAustin 11:cada08fc8a70 76 p_CB2 = p_CB->p_lnk;
mbedAustin 11:cada08fc8a70 77 /* Search for an entry in the list */
mbedAustin 11:cada08fc8a70 78 while (p_CB2 != NULL && prio <= p_CB2->prio) {
mbedAustin 11:cada08fc8a70 79 p_CB = (P_XCB)p_CB2;
mbedAustin 11:cada08fc8a70 80 p_CB2 = p_CB2->p_lnk;
mbedAustin 11:cada08fc8a70 81 }
mbedAustin 11:cada08fc8a70 82 /* Entry found, insert the task into the list */
mbedAustin 11:cada08fc8a70 83 p_task->p_lnk = p_CB2;
mbedAustin 11:cada08fc8a70 84 p_CB->p_lnk = p_task;
mbedAustin 11:cada08fc8a70 85 if (sem_mbx) {
mbedAustin 11:cada08fc8a70 86 if (p_CB2 != NULL) {
mbedAustin 11:cada08fc8a70 87 p_CB2->p_rlnk = p_task;
mbedAustin 11:cada08fc8a70 88 }
mbedAustin 11:cada08fc8a70 89 p_task->p_rlnk = (P_TCB)p_CB;
mbedAustin 11:cada08fc8a70 90 }
mbedAustin 11:cada08fc8a70 91 else {
mbedAustin 11:cada08fc8a70 92 p_task->p_rlnk = NULL;
mbedAustin 11:cada08fc8a70 93 }
mbedAustin 11:cada08fc8a70 94 }
mbedAustin 11:cada08fc8a70 95
mbedAustin 11:cada08fc8a70 96
mbedAustin 11:cada08fc8a70 97 /*--------------------------- rt_get_first ----------------------------------*/
mbedAustin 11:cada08fc8a70 98
mbedAustin 11:cada08fc8a70 99 P_TCB rt_get_first (P_XCB p_CB) {
mbedAustin 11:cada08fc8a70 100 /* Get task at head of list: it is the task with highest priority. */
mbedAustin 11:cada08fc8a70 101 /* "p_CB" points to head of list. */
mbedAustin 11:cada08fc8a70 102 P_TCB p_first;
mbedAustin 11:cada08fc8a70 103
mbedAustin 11:cada08fc8a70 104 p_first = p_CB->p_lnk;
mbedAustin 11:cada08fc8a70 105 p_CB->p_lnk = p_first->p_lnk;
mbedAustin 11:cada08fc8a70 106 if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
mbedAustin 11:cada08fc8a70 107 if (p_first->p_lnk != NULL) {
mbedAustin 11:cada08fc8a70 108 p_first->p_lnk->p_rlnk = (P_TCB)p_CB;
mbedAustin 11:cada08fc8a70 109 p_first->p_lnk = NULL;
mbedAustin 11:cada08fc8a70 110 }
mbedAustin 11:cada08fc8a70 111 p_first->p_rlnk = NULL;
mbedAustin 11:cada08fc8a70 112 }
mbedAustin 11:cada08fc8a70 113 else {
mbedAustin 11:cada08fc8a70 114 p_first->p_lnk = NULL;
mbedAustin 11:cada08fc8a70 115 }
mbedAustin 11:cada08fc8a70 116 return (p_first);
mbedAustin 11:cada08fc8a70 117 }
mbedAustin 11:cada08fc8a70 118
mbedAustin 11:cada08fc8a70 119
mbedAustin 11:cada08fc8a70 120 /*--------------------------- rt_put_rdy_first ------------------------------*/
mbedAustin 11:cada08fc8a70 121
mbedAustin 11:cada08fc8a70 122 void rt_put_rdy_first (P_TCB p_task) {
mbedAustin 11:cada08fc8a70 123 /* Put task identified with "p_task" at the head of the ready list. The */
mbedAustin 11:cada08fc8a70 124 /* task must have at least a priority equal to highest priority in list. */
mbedAustin 11:cada08fc8a70 125 p_task->p_lnk = os_rdy.p_lnk;
mbedAustin 11:cada08fc8a70 126 p_task->p_rlnk = NULL;
mbedAustin 11:cada08fc8a70 127 os_rdy.p_lnk = p_task;
mbedAustin 11:cada08fc8a70 128 }
mbedAustin 11:cada08fc8a70 129
mbedAustin 11:cada08fc8a70 130
mbedAustin 11:cada08fc8a70 131 /*--------------------------- rt_get_same_rdy_prio --------------------------*/
mbedAustin 11:cada08fc8a70 132
mbedAustin 11:cada08fc8a70 133 P_TCB rt_get_same_rdy_prio (void) {
mbedAustin 11:cada08fc8a70 134 /* Remove a task of same priority from ready list if any exists. Other- */
mbedAustin 11:cada08fc8a70 135 /* wise return NULL. */
mbedAustin 11:cada08fc8a70 136 P_TCB p_first;
mbedAustin 11:cada08fc8a70 137
mbedAustin 11:cada08fc8a70 138 p_first = os_rdy.p_lnk;
mbedAustin 11:cada08fc8a70 139 if (p_first->prio == os_tsk.run->prio) {
mbedAustin 11:cada08fc8a70 140 os_rdy.p_lnk = os_rdy.p_lnk->p_lnk;
mbedAustin 11:cada08fc8a70 141 return (p_first);
mbedAustin 11:cada08fc8a70 142 }
mbedAustin 11:cada08fc8a70 143 return (NULL);
mbedAustin 11:cada08fc8a70 144 }
mbedAustin 11:cada08fc8a70 145
mbedAustin 11:cada08fc8a70 146
mbedAustin 11:cada08fc8a70 147 /*--------------------------- rt_resort_prio --------------------------------*/
mbedAustin 11:cada08fc8a70 148
mbedAustin 11:cada08fc8a70 149 void rt_resort_prio (P_TCB p_task) {
mbedAustin 11:cada08fc8a70 150 /* Re-sort ordered lists after the priority of 'p_task' has changed. */
mbedAustin 11:cada08fc8a70 151 P_TCB p_CB;
mbedAustin 11:cada08fc8a70 152
mbedAustin 11:cada08fc8a70 153 if (p_task->p_rlnk == NULL) {
mbedAustin 11:cada08fc8a70 154 if (p_task->state == READY) {
mbedAustin 11:cada08fc8a70 155 /* Task is chained into READY list. */
mbedAustin 11:cada08fc8a70 156 p_CB = (P_TCB)&os_rdy;
mbedAustin 11:cada08fc8a70 157 goto res;
mbedAustin 11:cada08fc8a70 158 }
mbedAustin 11:cada08fc8a70 159 }
mbedAustin 11:cada08fc8a70 160 else {
mbedAustin 11:cada08fc8a70 161 p_CB = p_task->p_rlnk;
mbedAustin 11:cada08fc8a70 162 while (p_CB->cb_type == TCB) {
mbedAustin 11:cada08fc8a70 163 /* Find a header of this task chain list. */
mbedAustin 11:cada08fc8a70 164 p_CB = p_CB->p_rlnk;
mbedAustin 11:cada08fc8a70 165 }
mbedAustin 11:cada08fc8a70 166 res:rt_rmv_list (p_task);
mbedAustin 11:cada08fc8a70 167 rt_put_prio ((P_XCB)p_CB, p_task);
mbedAustin 11:cada08fc8a70 168 }
mbedAustin 11:cada08fc8a70 169 }
mbedAustin 11:cada08fc8a70 170
mbedAustin 11:cada08fc8a70 171
mbedAustin 11:cada08fc8a70 172 /*--------------------------- rt_put_dly ------------------------------------*/
mbedAustin 11:cada08fc8a70 173
mbedAustin 11:cada08fc8a70 174 void rt_put_dly (P_TCB p_task, U16 delay) {
mbedAustin 11:cada08fc8a70 175 /* Put a task identified with "p_task" into chained delay wait list using */
mbedAustin 11:cada08fc8a70 176 /* a delay value of "delay". */
mbedAustin 11:cada08fc8a70 177 P_TCB p;
mbedAustin 11:cada08fc8a70 178 U32 delta,idelay = delay;
mbedAustin 11:cada08fc8a70 179
mbedAustin 11:cada08fc8a70 180 p = (P_TCB)&os_dly;
mbedAustin 11:cada08fc8a70 181 if (p->p_dlnk == NULL) {
mbedAustin 11:cada08fc8a70 182 /* Delay list empty */
mbedAustin 11:cada08fc8a70 183 delta = 0;
mbedAustin 11:cada08fc8a70 184 goto last;
mbedAustin 11:cada08fc8a70 185 }
mbedAustin 11:cada08fc8a70 186 delta = os_dly.delta_time;
mbedAustin 11:cada08fc8a70 187 while (delta < idelay) {
mbedAustin 11:cada08fc8a70 188 if (p->p_dlnk == NULL) {
mbedAustin 11:cada08fc8a70 189 /* End of list found */
mbedAustin 11:cada08fc8a70 190 last: p_task->p_dlnk = NULL;
mbedAustin 11:cada08fc8a70 191 p->p_dlnk = p_task;
mbedAustin 11:cada08fc8a70 192 p_task->p_blnk = p;
mbedAustin 11:cada08fc8a70 193 p->delta_time = (U16)(idelay - delta);
mbedAustin 11:cada08fc8a70 194 p_task->delta_time = 0;
mbedAustin 11:cada08fc8a70 195 return;
mbedAustin 11:cada08fc8a70 196 }
mbedAustin 11:cada08fc8a70 197 p = p->p_dlnk;
mbedAustin 11:cada08fc8a70 198 delta += p->delta_time;
mbedAustin 11:cada08fc8a70 199 }
mbedAustin 11:cada08fc8a70 200 /* Right place found */
mbedAustin 11:cada08fc8a70 201 p_task->p_dlnk = p->p_dlnk;
mbedAustin 11:cada08fc8a70 202 p->p_dlnk = p_task;
mbedAustin 11:cada08fc8a70 203 p_task->p_blnk = p;
mbedAustin 11:cada08fc8a70 204 if (p_task->p_dlnk != NULL) {
mbedAustin 11:cada08fc8a70 205 p_task->p_dlnk->p_blnk = p_task;
mbedAustin 11:cada08fc8a70 206 }
mbedAustin 11:cada08fc8a70 207 p_task->delta_time = (U16)(delta - idelay);
mbedAustin 11:cada08fc8a70 208 p->delta_time -= p_task->delta_time;
mbedAustin 11:cada08fc8a70 209 }
mbedAustin 11:cada08fc8a70 210
mbedAustin 11:cada08fc8a70 211
mbedAustin 11:cada08fc8a70 212 /*--------------------------- rt_dec_dly ------------------------------------*/
mbedAustin 11:cada08fc8a70 213
mbedAustin 11:cada08fc8a70 214 void rt_dec_dly (void) {
mbedAustin 11:cada08fc8a70 215 /* Decrement delta time of list head: remove tasks having a value of zero.*/
mbedAustin 11:cada08fc8a70 216 P_TCB p_rdy;
mbedAustin 11:cada08fc8a70 217
mbedAustin 11:cada08fc8a70 218 if (os_dly.p_dlnk == NULL) {
mbedAustin 11:cada08fc8a70 219 return;
mbedAustin 11:cada08fc8a70 220 }
mbedAustin 11:cada08fc8a70 221 os_dly.delta_time--;
mbedAustin 11:cada08fc8a70 222 while ((os_dly.delta_time == 0) && (os_dly.p_dlnk != NULL)) {
mbedAustin 11:cada08fc8a70 223 p_rdy = os_dly.p_dlnk;
mbedAustin 11:cada08fc8a70 224 if (p_rdy->p_rlnk != NULL) {
mbedAustin 11:cada08fc8a70 225 /* Task is really enqueued, remove task from semaphore/mailbox */
mbedAustin 11:cada08fc8a70 226 /* timeout waiting list. */
mbedAustin 11:cada08fc8a70 227 p_rdy->p_rlnk->p_lnk = p_rdy->p_lnk;
mbedAustin 11:cada08fc8a70 228 if (p_rdy->p_lnk != NULL) {
mbedAustin 11:cada08fc8a70 229 p_rdy->p_lnk->p_rlnk = p_rdy->p_rlnk;
mbedAustin 11:cada08fc8a70 230 p_rdy->p_lnk = NULL;
mbedAustin 11:cada08fc8a70 231 }
mbedAustin 11:cada08fc8a70 232 p_rdy->p_rlnk = NULL;
mbedAustin 11:cada08fc8a70 233 }
mbedAustin 11:cada08fc8a70 234 rt_put_prio (&os_rdy, p_rdy);
mbedAustin 11:cada08fc8a70 235 os_dly.delta_time = p_rdy->delta_time;
mbedAustin 11:cada08fc8a70 236 if (p_rdy->state == WAIT_ITV) {
mbedAustin 11:cada08fc8a70 237 /* Calculate the next time for interval wait. */
mbedAustin 11:cada08fc8a70 238 p_rdy->delta_time = p_rdy->interval_time + (U16)os_time;
mbedAustin 11:cada08fc8a70 239 }
mbedAustin 11:cada08fc8a70 240 p_rdy->state = READY;
mbedAustin 11:cada08fc8a70 241 os_dly.p_dlnk = p_rdy->p_dlnk;
mbedAustin 11:cada08fc8a70 242 if (p_rdy->p_dlnk != NULL) {
mbedAustin 11:cada08fc8a70 243 p_rdy->p_dlnk->p_blnk = (P_TCB)&os_dly;
mbedAustin 11:cada08fc8a70 244 p_rdy->p_dlnk = NULL;
mbedAustin 11:cada08fc8a70 245 }
mbedAustin 11:cada08fc8a70 246 p_rdy->p_blnk = NULL;
mbedAustin 11:cada08fc8a70 247 }
mbedAustin 11:cada08fc8a70 248 }
mbedAustin 11:cada08fc8a70 249
mbedAustin 11:cada08fc8a70 250
mbedAustin 11:cada08fc8a70 251 /*--------------------------- rt_rmv_list -----------------------------------*/
mbedAustin 11:cada08fc8a70 252
mbedAustin 11:cada08fc8a70 253 void rt_rmv_list (P_TCB p_task) {
mbedAustin 11:cada08fc8a70 254 /* Remove task identified with "p_task" from ready, semaphore or mailbox */
mbedAustin 11:cada08fc8a70 255 /* waiting list if enqueued. */
mbedAustin 11:cada08fc8a70 256 P_TCB p_b;
mbedAustin 11:cada08fc8a70 257
mbedAustin 11:cada08fc8a70 258 if (p_task->p_rlnk != NULL) {
mbedAustin 11:cada08fc8a70 259 /* A task is enqueued in semaphore / mailbox waiting list. */
mbedAustin 11:cada08fc8a70 260 p_task->p_rlnk->p_lnk = p_task->p_lnk;
mbedAustin 11:cada08fc8a70 261 if (p_task->p_lnk != NULL) {
mbedAustin 11:cada08fc8a70 262 p_task->p_lnk->p_rlnk = p_task->p_rlnk;
mbedAustin 11:cada08fc8a70 263 }
mbedAustin 11:cada08fc8a70 264 return;
mbedAustin 11:cada08fc8a70 265 }
mbedAustin 11:cada08fc8a70 266
mbedAustin 11:cada08fc8a70 267 p_b = (P_TCB)&os_rdy;
mbedAustin 11:cada08fc8a70 268 while (p_b != NULL) {
mbedAustin 11:cada08fc8a70 269 /* Search the ready list for task "p_task" */
mbedAustin 11:cada08fc8a70 270 if (p_b->p_lnk == p_task) {
mbedAustin 11:cada08fc8a70 271 p_b->p_lnk = p_task->p_lnk;
mbedAustin 11:cada08fc8a70 272 return;
mbedAustin 11:cada08fc8a70 273 }
mbedAustin 11:cada08fc8a70 274 p_b = p_b->p_lnk;
mbedAustin 11:cada08fc8a70 275 }
mbedAustin 11:cada08fc8a70 276 }
mbedAustin 11:cada08fc8a70 277
mbedAustin 11:cada08fc8a70 278
mbedAustin 11:cada08fc8a70 279 /*--------------------------- rt_rmv_dly ------------------------------------*/
mbedAustin 11:cada08fc8a70 280
mbedAustin 11:cada08fc8a70 281 void rt_rmv_dly (P_TCB p_task) {
mbedAustin 11:cada08fc8a70 282 /* Remove task identified with "p_task" from delay list if enqueued. */
mbedAustin 11:cada08fc8a70 283 P_TCB p_b;
mbedAustin 11:cada08fc8a70 284
mbedAustin 11:cada08fc8a70 285 p_b = p_task->p_blnk;
mbedAustin 11:cada08fc8a70 286 if (p_b != NULL) {
mbedAustin 11:cada08fc8a70 287 /* Task is really enqueued */
mbedAustin 11:cada08fc8a70 288 p_b->p_dlnk = p_task->p_dlnk;
mbedAustin 11:cada08fc8a70 289 if (p_task->p_dlnk != NULL) {
mbedAustin 11:cada08fc8a70 290 /* 'p_task' is in the middle of list */
mbedAustin 11:cada08fc8a70 291 p_b->delta_time += p_task->delta_time;
mbedAustin 11:cada08fc8a70 292 p_task->p_dlnk->p_blnk = p_b;
mbedAustin 11:cada08fc8a70 293 p_task->p_dlnk = NULL;
mbedAustin 11:cada08fc8a70 294 }
mbedAustin 11:cada08fc8a70 295 else {
mbedAustin 11:cada08fc8a70 296 /* 'p_task' is at the end of list */
mbedAustin 11:cada08fc8a70 297 p_b->delta_time = 0;
mbedAustin 11:cada08fc8a70 298 }
mbedAustin 11:cada08fc8a70 299 p_task->p_blnk = NULL;
mbedAustin 11:cada08fc8a70 300 }
mbedAustin 11:cada08fc8a70 301 }
mbedAustin 11:cada08fc8a70 302
mbedAustin 11:cada08fc8a70 303
mbedAustin 11:cada08fc8a70 304 /*--------------------------- rt_psq_enq ------------------------------------*/
mbedAustin 11:cada08fc8a70 305
mbedAustin 11:cada08fc8a70 306 void rt_psq_enq (OS_ID entry, U32 arg) {
mbedAustin 11:cada08fc8a70 307 /* Insert post service request "entry" into ps-queue. */
mbedAustin 11:cada08fc8a70 308 U32 idx;
mbedAustin 11:cada08fc8a70 309
mbedAustin 11:cada08fc8a70 310 idx = rt_inc_qi (os_psq->size, &os_psq->count, &os_psq->first);
mbedAustin 11:cada08fc8a70 311 if (idx < os_psq->size) {
mbedAustin 11:cada08fc8a70 312 os_psq->q[idx].id = entry;
mbedAustin 11:cada08fc8a70 313 os_psq->q[idx].arg = arg;
mbedAustin 11:cada08fc8a70 314 }
mbedAustin 11:cada08fc8a70 315 else {
mbedAustin 11:cada08fc8a70 316 os_error (OS_ERR_FIFO_OVF);
mbedAustin 11:cada08fc8a70 317 }
mbedAustin 11:cada08fc8a70 318 }
mbedAustin 11:cada08fc8a70 319
mbedAustin 11:cada08fc8a70 320
mbedAustin 11:cada08fc8a70 321 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 322 * end of file
mbedAustin 11:cada08fc8a70 323 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 324