TeamGyro / mbed-rtos

OS2

Dependents:   GYRO_MPU6050 Bluetooth_Powered_Multimeter_Using_STM32F429_and_RTOS fyp

rtx/TARGET_ARM7/rt_List.c@0:a7c449cd2d5a, 2020-02-03 (annotated)

Committer:
guilhemMBED
Date:
Mon Feb 03 13:41:14 2020 +0000
Revision:
0:a7c449cd2d5a
previous version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
guilhemMBED 0:a7c449cd2d5a 1 /*----------------------------------------------------------------------------
guilhemMBED 0:a7c449cd2d5a 2 * RL-ARM - RTX
guilhemMBED 0:a7c449cd2d5a 3 *----------------------------------------------------------------------------
guilhemMBED 0:a7c449cd2d5a 4 * Name: RT_LIST.C
guilhemMBED 0:a7c449cd2d5a 5 * Purpose: Functions for the management of different lists
guilhemMBED 0:a7c449cd2d5a 6 * Rev.: V4.60
guilhemMBED 0:a7c449cd2d5a 7 *----------------------------------------------------------------------------
guilhemMBED 0:a7c449cd2d5a 8 *
guilhemMBED 0:a7c449cd2d5a 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
guilhemMBED 0:a7c449cd2d5a 10 * All rights reserved.
guilhemMBED 0:a7c449cd2d5a 11 * Redistribution and use in source and binary forms, with or without
guilhemMBED 0:a7c449cd2d5a 12 * modification, are permitted provided that the following conditions are met:
guilhemMBED 0:a7c449cd2d5a 13 * - Redistributions of source code must retain the above copyright
guilhemMBED 0:a7c449cd2d5a 14 * notice, this list of conditions and the following disclaimer.
guilhemMBED 0:a7c449cd2d5a 15 * - Redistributions in binary form must reproduce the above copyright
guilhemMBED 0:a7c449cd2d5a 16 * notice, this list of conditions and the following disclaimer in the
guilhemMBED 0:a7c449cd2d5a 17 * documentation and/or other materials provided with the distribution.
guilhemMBED 0:a7c449cd2d5a 18 * - Neither the name of ARM nor the names of its contributors may be used
guilhemMBED 0:a7c449cd2d5a 19 * to endorse or promote products derived from this software without
guilhemMBED 0:a7c449cd2d5a 20 * specific prior written permission.
guilhemMBED 0:a7c449cd2d5a 21 *
guilhemMBED 0:a7c449cd2d5a 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
guilhemMBED 0:a7c449cd2d5a 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
guilhemMBED 0:a7c449cd2d5a 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
guilhemMBED 0:a7c449cd2d5a 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
guilhemMBED 0:a7c449cd2d5a 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
guilhemMBED 0:a7c449cd2d5a 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
guilhemMBED 0:a7c449cd2d5a 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
guilhemMBED 0:a7c449cd2d5a 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
guilhemMBED 0:a7c449cd2d5a 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
guilhemMBED 0:a7c449cd2d5a 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
guilhemMBED 0:a7c449cd2d5a 32 * POSSIBILITY OF SUCH DAMAGE.
guilhemMBED 0:a7c449cd2d5a 33 *---------------------------------------------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 34
guilhemMBED 0:a7c449cd2d5a 35 #include "rt_TypeDef.h"
guilhemMBED 0:a7c449cd2d5a 36 #include "RTX_Conf.h"
guilhemMBED 0:a7c449cd2d5a 37 #include "rt_System.h"
guilhemMBED 0:a7c449cd2d5a 38 #include "rt_List.h"
guilhemMBED 0:a7c449cd2d5a 39 #include "rt_Task.h"
guilhemMBED 0:a7c449cd2d5a 40 #include "rt_Time.h"
guilhemMBED 0:a7c449cd2d5a 41 #include "rt_HAL_CM.h"
guilhemMBED 0:a7c449cd2d5a 42
guilhemMBED 0:a7c449cd2d5a 43 /*----------------------------------------------------------------------------
guilhemMBED 0:a7c449cd2d5a 44 * Global Variables
guilhemMBED 0:a7c449cd2d5a 45 *---------------------------------------------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 46
guilhemMBED 0:a7c449cd2d5a 47 /* List head of chained ready tasks */
guilhemMBED 0:a7c449cd2d5a 48 struct OS_XCB os_rdy;
guilhemMBED 0:a7c449cd2d5a 49 /* List head of chained delay tasks */
guilhemMBED 0:a7c449cd2d5a 50 struct OS_XCB os_dly;
guilhemMBED 0:a7c449cd2d5a 51
guilhemMBED 0:a7c449cd2d5a 52
guilhemMBED 0:a7c449cd2d5a 53 /*----------------------------------------------------------------------------
guilhemMBED 0:a7c449cd2d5a 54 * Functions
guilhemMBED 0:a7c449cd2d5a 55 *---------------------------------------------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 56
guilhemMBED 0:a7c449cd2d5a 57
guilhemMBED 0:a7c449cd2d5a 58 /*--------------------------- rt_put_prio -----------------------------------*/
guilhemMBED 0:a7c449cd2d5a 59
guilhemMBED 0:a7c449cd2d5a 60 void rt_put_prio (P_XCB p_CB, P_TCB p_task) {
guilhemMBED 0:a7c449cd2d5a 61 /* Put task identified with "p_task" into list ordered by priority. */
guilhemMBED 0:a7c449cd2d5a 62 /* "p_CB" points to head of list; list has always an element at end with */
guilhemMBED 0:a7c449cd2d5a 63 /* a priority less than "p_task->prio". */
guilhemMBED 0:a7c449cd2d5a 64 P_TCB p_CB2;
guilhemMBED 0:a7c449cd2d5a 65 U32 prio;
guilhemMBED 0:a7c449cd2d5a 66 BOOL sem_mbx = __FALSE;
guilhemMBED 0:a7c449cd2d5a 67
guilhemMBED 0:a7c449cd2d5a 68 if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
guilhemMBED 0:a7c449cd2d5a 69 sem_mbx = __TRUE;
guilhemMBED 0:a7c449cd2d5a 70 }
guilhemMBED 0:a7c449cd2d5a 71 prio = p_task->prio;
guilhemMBED 0:a7c449cd2d5a 72 p_CB2 = p_CB->p_lnk;
guilhemMBED 0:a7c449cd2d5a 73 /* Search for an entry in the list */
guilhemMBED 0:a7c449cd2d5a 74 while (p_CB2 != NULL && prio <= p_CB2->prio) {
guilhemMBED 0:a7c449cd2d5a 75 p_CB = (P_XCB)p_CB2;
guilhemMBED 0:a7c449cd2d5a 76 p_CB2 = p_CB2->p_lnk;
guilhemMBED 0:a7c449cd2d5a 77 }
guilhemMBED 0:a7c449cd2d5a 78 /* Entry found, insert the task into the list */
guilhemMBED 0:a7c449cd2d5a 79 p_task->p_lnk = p_CB2;
guilhemMBED 0:a7c449cd2d5a 80 p_CB->p_lnk = p_task;
guilhemMBED 0:a7c449cd2d5a 81 if (sem_mbx) {
guilhemMBED 0:a7c449cd2d5a 82 if (p_CB2 != NULL) {
guilhemMBED 0:a7c449cd2d5a 83 p_CB2->p_rlnk = p_task;
guilhemMBED 0:a7c449cd2d5a 84 }
guilhemMBED 0:a7c449cd2d5a 85 p_task->p_rlnk = (P_TCB)p_CB;
guilhemMBED 0:a7c449cd2d5a 86 }
guilhemMBED 0:a7c449cd2d5a 87 else {
guilhemMBED 0:a7c449cd2d5a 88 p_task->p_rlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 89 }
guilhemMBED 0:a7c449cd2d5a 90 }
guilhemMBED 0:a7c449cd2d5a 91
guilhemMBED 0:a7c449cd2d5a 92
guilhemMBED 0:a7c449cd2d5a 93 /*--------------------------- rt_get_first ----------------------------------*/
guilhemMBED 0:a7c449cd2d5a 94
guilhemMBED 0:a7c449cd2d5a 95 P_TCB rt_get_first (P_XCB p_CB) {
guilhemMBED 0:a7c449cd2d5a 96 /* Get task at head of list: it is the task with highest priority. */
guilhemMBED 0:a7c449cd2d5a 97 /* "p_CB" points to head of list. */
guilhemMBED 0:a7c449cd2d5a 98 P_TCB p_first;
guilhemMBED 0:a7c449cd2d5a 99
guilhemMBED 0:a7c449cd2d5a 100 p_first = p_CB->p_lnk;
guilhemMBED 0:a7c449cd2d5a 101 p_CB->p_lnk = p_first->p_lnk;
guilhemMBED 0:a7c449cd2d5a 102 if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
guilhemMBED 0:a7c449cd2d5a 103 if (p_first->p_lnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 104 p_first->p_lnk->p_rlnk = (P_TCB)p_CB;
guilhemMBED 0:a7c449cd2d5a 105 p_first->p_lnk = NULL;
guilhemMBED 0:a7c449cd2d5a 106 }
guilhemMBED 0:a7c449cd2d5a 107 p_first->p_rlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 108 }
guilhemMBED 0:a7c449cd2d5a 109 else {
guilhemMBED 0:a7c449cd2d5a 110 p_first->p_lnk = NULL;
guilhemMBED 0:a7c449cd2d5a 111 }
guilhemMBED 0:a7c449cd2d5a 112 return (p_first);
guilhemMBED 0:a7c449cd2d5a 113 }
guilhemMBED 0:a7c449cd2d5a 114
guilhemMBED 0:a7c449cd2d5a 115
guilhemMBED 0:a7c449cd2d5a 116 /*--------------------------- rt_put_rdy_first ------------------------------*/
guilhemMBED 0:a7c449cd2d5a 117
guilhemMBED 0:a7c449cd2d5a 118 void rt_put_rdy_first (P_TCB p_task) {
guilhemMBED 0:a7c449cd2d5a 119 /* Put task identified with "p_task" at the head of the ready list. The */
guilhemMBED 0:a7c449cd2d5a 120 /* task must have at least a priority equal to highest priority in list. */
guilhemMBED 0:a7c449cd2d5a 121 p_task->p_lnk = os_rdy.p_lnk;
guilhemMBED 0:a7c449cd2d5a 122 p_task->p_rlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 123 os_rdy.p_lnk = p_task;
guilhemMBED 0:a7c449cd2d5a 124 }
guilhemMBED 0:a7c449cd2d5a 125
guilhemMBED 0:a7c449cd2d5a 126
guilhemMBED 0:a7c449cd2d5a 127 /*--------------------------- rt_get_same_rdy_prio --------------------------*/
guilhemMBED 0:a7c449cd2d5a 128
guilhemMBED 0:a7c449cd2d5a 129 P_TCB rt_get_same_rdy_prio (void) {
guilhemMBED 0:a7c449cd2d5a 130 /* Remove a task of same priority from ready list if any exists. Other- */
guilhemMBED 0:a7c449cd2d5a 131 /* wise return NULL. */
guilhemMBED 0:a7c449cd2d5a 132 P_TCB p_first;
guilhemMBED 0:a7c449cd2d5a 133
guilhemMBED 0:a7c449cd2d5a 134 p_first = os_rdy.p_lnk;
guilhemMBED 0:a7c449cd2d5a 135 if (p_first->prio == os_tsk.run->prio) {
guilhemMBED 0:a7c449cd2d5a 136 os_rdy.p_lnk = os_rdy.p_lnk->p_lnk;
guilhemMBED 0:a7c449cd2d5a 137 return (p_first);
guilhemMBED 0:a7c449cd2d5a 138 }
guilhemMBED 0:a7c449cd2d5a 139 return (NULL);
guilhemMBED 0:a7c449cd2d5a 140 }
guilhemMBED 0:a7c449cd2d5a 141
guilhemMBED 0:a7c449cd2d5a 142
guilhemMBED 0:a7c449cd2d5a 143 /*--------------------------- rt_resort_prio --------------------------------*/
guilhemMBED 0:a7c449cd2d5a 144
guilhemMBED 0:a7c449cd2d5a 145 void rt_resort_prio (P_TCB p_task) {
guilhemMBED 0:a7c449cd2d5a 146 /* Re-sort ordered lists after the priority of 'p_task' has changed. */
guilhemMBED 0:a7c449cd2d5a 147 P_TCB p_CB;
guilhemMBED 0:a7c449cd2d5a 148
guilhemMBED 0:a7c449cd2d5a 149 if (p_task->p_rlnk == NULL) {
guilhemMBED 0:a7c449cd2d5a 150 if (p_task->state == READY) {
guilhemMBED 0:a7c449cd2d5a 151 /* Task is chained into READY list. */
guilhemMBED 0:a7c449cd2d5a 152 p_CB = (P_TCB)&os_rdy;
guilhemMBED 0:a7c449cd2d5a 153 goto res;
guilhemMBED 0:a7c449cd2d5a 154 }
guilhemMBED 0:a7c449cd2d5a 155 }
guilhemMBED 0:a7c449cd2d5a 156 else {
guilhemMBED 0:a7c449cd2d5a 157 p_CB = p_task->p_rlnk;
guilhemMBED 0:a7c449cd2d5a 158 while (p_CB->cb_type == TCB) {
guilhemMBED 0:a7c449cd2d5a 159 /* Find a header of this task chain list. */
guilhemMBED 0:a7c449cd2d5a 160 p_CB = p_CB->p_rlnk;
guilhemMBED 0:a7c449cd2d5a 161 }
guilhemMBED 0:a7c449cd2d5a 162 res:rt_rmv_list (p_task);
guilhemMBED 0:a7c449cd2d5a 163 rt_put_prio ((P_XCB)p_CB, p_task);
guilhemMBED 0:a7c449cd2d5a 164 }
guilhemMBED 0:a7c449cd2d5a 165 }
guilhemMBED 0:a7c449cd2d5a 166
guilhemMBED 0:a7c449cd2d5a 167
guilhemMBED 0:a7c449cd2d5a 168 /*--------------------------- rt_put_dly ------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 169
guilhemMBED 0:a7c449cd2d5a 170 void rt_put_dly (P_TCB p_task, U16 delay) {
guilhemMBED 0:a7c449cd2d5a 171 /* Put a task identified with "p_task" into chained delay wait list using */
guilhemMBED 0:a7c449cd2d5a 172 /* a delay value of "delay". */
guilhemMBED 0:a7c449cd2d5a 173 P_TCB p;
guilhemMBED 0:a7c449cd2d5a 174 U32 delta,idelay = delay;
guilhemMBED 0:a7c449cd2d5a 175
guilhemMBED 0:a7c449cd2d5a 176 p = (P_TCB)&os_dly;
guilhemMBED 0:a7c449cd2d5a 177 if (p->p_dlnk == NULL) {
guilhemMBED 0:a7c449cd2d5a 178 /* Delay list empty */
guilhemMBED 0:a7c449cd2d5a 179 delta = 0;
guilhemMBED 0:a7c449cd2d5a 180 goto last;
guilhemMBED 0:a7c449cd2d5a 181 }
guilhemMBED 0:a7c449cd2d5a 182 delta = os_dly.delta_time;
guilhemMBED 0:a7c449cd2d5a 183 while (delta < idelay) {
guilhemMBED 0:a7c449cd2d5a 184 if (p->p_dlnk == NULL) {
guilhemMBED 0:a7c449cd2d5a 185 /* End of list found */
guilhemMBED 0:a7c449cd2d5a 186 last: p_task->p_dlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 187 p->p_dlnk = p_task;
guilhemMBED 0:a7c449cd2d5a 188 p_task->p_blnk = p;
guilhemMBED 0:a7c449cd2d5a 189 p->delta_time = (U16)(idelay - delta);
guilhemMBED 0:a7c449cd2d5a 190 p_task->delta_time = 0;
guilhemMBED 0:a7c449cd2d5a 191 return;
guilhemMBED 0:a7c449cd2d5a 192 }
guilhemMBED 0:a7c449cd2d5a 193 p = p->p_dlnk;
guilhemMBED 0:a7c449cd2d5a 194 delta += p->delta_time;
guilhemMBED 0:a7c449cd2d5a 195 }
guilhemMBED 0:a7c449cd2d5a 196 /* Right place found */
guilhemMBED 0:a7c449cd2d5a 197 p_task->p_dlnk = p->p_dlnk;
guilhemMBED 0:a7c449cd2d5a 198 p->p_dlnk = p_task;
guilhemMBED 0:a7c449cd2d5a 199 p_task->p_blnk = p;
guilhemMBED 0:a7c449cd2d5a 200 if (p_task->p_dlnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 201 p_task->p_dlnk->p_blnk = p_task;
guilhemMBED 0:a7c449cd2d5a 202 }
guilhemMBED 0:a7c449cd2d5a 203 p_task->delta_time = (U16)(delta - idelay);
guilhemMBED 0:a7c449cd2d5a 204 p->delta_time -= p_task->delta_time;
guilhemMBED 0:a7c449cd2d5a 205 }
guilhemMBED 0:a7c449cd2d5a 206
guilhemMBED 0:a7c449cd2d5a 207
guilhemMBED 0:a7c449cd2d5a 208 /*--------------------------- rt_dec_dly ------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 209
guilhemMBED 0:a7c449cd2d5a 210 void rt_dec_dly (void) {
guilhemMBED 0:a7c449cd2d5a 211 /* Decrement delta time of list head: remove tasks having a value of zero.*/
guilhemMBED 0:a7c449cd2d5a 212 P_TCB p_rdy;
guilhemMBED 0:a7c449cd2d5a 213
guilhemMBED 0:a7c449cd2d5a 214 if (os_dly.p_dlnk == NULL) {
guilhemMBED 0:a7c449cd2d5a 215 return;
guilhemMBED 0:a7c449cd2d5a 216 }
guilhemMBED 0:a7c449cd2d5a 217 os_dly.delta_time--;
guilhemMBED 0:a7c449cd2d5a 218 while ((os_dly.delta_time == 0) && (os_dly.p_dlnk != NULL)) {
guilhemMBED 0:a7c449cd2d5a 219 p_rdy = os_dly.p_dlnk;
guilhemMBED 0:a7c449cd2d5a 220 if (p_rdy->p_rlnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 221 /* Task is really enqueued, remove task from semaphore/mailbox */
guilhemMBED 0:a7c449cd2d5a 222 /* timeout waiting list. */
guilhemMBED 0:a7c449cd2d5a 223 p_rdy->p_rlnk->p_lnk = p_rdy->p_lnk;
guilhemMBED 0:a7c449cd2d5a 224 if (p_rdy->p_lnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 225 p_rdy->p_lnk->p_rlnk = p_rdy->p_rlnk;
guilhemMBED 0:a7c449cd2d5a 226 p_rdy->p_lnk = NULL;
guilhemMBED 0:a7c449cd2d5a 227 }
guilhemMBED 0:a7c449cd2d5a 228 p_rdy->p_rlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 229 }
guilhemMBED 0:a7c449cd2d5a 230 rt_put_prio (&os_rdy, p_rdy);
guilhemMBED 0:a7c449cd2d5a 231 os_dly.delta_time = p_rdy->delta_time;
guilhemMBED 0:a7c449cd2d5a 232 if (p_rdy->state == WAIT_ITV) {
guilhemMBED 0:a7c449cd2d5a 233 /* Calculate the next time for interval wait. */
guilhemMBED 0:a7c449cd2d5a 234 p_rdy->delta_time = p_rdy->interval_time + (U16)os_time;
guilhemMBED 0:a7c449cd2d5a 235 }
guilhemMBED 0:a7c449cd2d5a 236 p_rdy->state = READY;
guilhemMBED 0:a7c449cd2d5a 237 os_dly.p_dlnk = p_rdy->p_dlnk;
guilhemMBED 0:a7c449cd2d5a 238 if (p_rdy->p_dlnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 239 p_rdy->p_dlnk->p_blnk = (P_TCB)&os_dly;
guilhemMBED 0:a7c449cd2d5a 240 p_rdy->p_dlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 241 }
guilhemMBED 0:a7c449cd2d5a 242 p_rdy->p_blnk = NULL;
guilhemMBED 0:a7c449cd2d5a 243 }
guilhemMBED 0:a7c449cd2d5a 244 }
guilhemMBED 0:a7c449cd2d5a 245
guilhemMBED 0:a7c449cd2d5a 246
guilhemMBED 0:a7c449cd2d5a 247 /*--------------------------- rt_rmv_list -----------------------------------*/
guilhemMBED 0:a7c449cd2d5a 248
guilhemMBED 0:a7c449cd2d5a 249 void rt_rmv_list (P_TCB p_task) {
guilhemMBED 0:a7c449cd2d5a 250 /* Remove task identified with "p_task" from ready, semaphore or mailbox */
guilhemMBED 0:a7c449cd2d5a 251 /* waiting list if enqueued. */
guilhemMBED 0:a7c449cd2d5a 252 P_TCB p_b;
guilhemMBED 0:a7c449cd2d5a 253
guilhemMBED 0:a7c449cd2d5a 254 if (p_task->p_rlnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 255 /* A task is enqueued in semaphore / mailbox waiting list. */
guilhemMBED 0:a7c449cd2d5a 256 p_task->p_rlnk->p_lnk = p_task->p_lnk;
guilhemMBED 0:a7c449cd2d5a 257 if (p_task->p_lnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 258 p_task->p_lnk->p_rlnk = p_task->p_rlnk;
guilhemMBED 0:a7c449cd2d5a 259 }
guilhemMBED 0:a7c449cd2d5a 260 return;
guilhemMBED 0:a7c449cd2d5a 261 }
guilhemMBED 0:a7c449cd2d5a 262
guilhemMBED 0:a7c449cd2d5a 263 p_b = (P_TCB)&os_rdy;
guilhemMBED 0:a7c449cd2d5a 264 while (p_b != NULL) {
guilhemMBED 0:a7c449cd2d5a 265 /* Search the ready list for task "p_task" */
guilhemMBED 0:a7c449cd2d5a 266 if (p_b->p_lnk == p_task) {
guilhemMBED 0:a7c449cd2d5a 267 p_b->p_lnk = p_task->p_lnk;
guilhemMBED 0:a7c449cd2d5a 268 return;
guilhemMBED 0:a7c449cd2d5a 269 }
guilhemMBED 0:a7c449cd2d5a 270 p_b = p_b->p_lnk;
guilhemMBED 0:a7c449cd2d5a 271 }
guilhemMBED 0:a7c449cd2d5a 272 }
guilhemMBED 0:a7c449cd2d5a 273
guilhemMBED 0:a7c449cd2d5a 274
guilhemMBED 0:a7c449cd2d5a 275 /*--------------------------- rt_rmv_dly ------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 276
guilhemMBED 0:a7c449cd2d5a 277 void rt_rmv_dly (P_TCB p_task) {
guilhemMBED 0:a7c449cd2d5a 278 /* Remove task identified with "p_task" from delay list if enqueued. */
guilhemMBED 0:a7c449cd2d5a 279 P_TCB p_b;
guilhemMBED 0:a7c449cd2d5a 280
guilhemMBED 0:a7c449cd2d5a 281 p_b = p_task->p_blnk;
guilhemMBED 0:a7c449cd2d5a 282 if (p_b != NULL) {
guilhemMBED 0:a7c449cd2d5a 283 /* Task is really enqueued */
guilhemMBED 0:a7c449cd2d5a 284 p_b->p_dlnk = p_task->p_dlnk;
guilhemMBED 0:a7c449cd2d5a 285 if (p_task->p_dlnk != NULL) {
guilhemMBED 0:a7c449cd2d5a 286 /* 'p_task' is in the middle of list */
guilhemMBED 0:a7c449cd2d5a 287 p_b->delta_time += p_task->delta_time;
guilhemMBED 0:a7c449cd2d5a 288 p_task->p_dlnk->p_blnk = p_b;
guilhemMBED 0:a7c449cd2d5a 289 p_task->p_dlnk = NULL;
guilhemMBED 0:a7c449cd2d5a 290 }
guilhemMBED 0:a7c449cd2d5a 291 else {
guilhemMBED 0:a7c449cd2d5a 292 /* 'p_task' is at the end of list */
guilhemMBED 0:a7c449cd2d5a 293 p_b->delta_time = 0;
guilhemMBED 0:a7c449cd2d5a 294 }
guilhemMBED 0:a7c449cd2d5a 295 p_task->p_blnk = NULL;
guilhemMBED 0:a7c449cd2d5a 296 }
guilhemMBED 0:a7c449cd2d5a 297 }
guilhemMBED 0:a7c449cd2d5a 298
guilhemMBED 0:a7c449cd2d5a 299
guilhemMBED 0:a7c449cd2d5a 300 /*--------------------------- rt_psq_enq ------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 301
guilhemMBED 0:a7c449cd2d5a 302 void rt_psq_enq (OS_ID entry, U32 arg) {
guilhemMBED 0:a7c449cd2d5a 303 /* Insert post service request "entry" into ps-queue. */
guilhemMBED 0:a7c449cd2d5a 304 U32 idx;
guilhemMBED 0:a7c449cd2d5a 305
guilhemMBED 0:a7c449cd2d5a 306 idx = rt_inc_qi (os_psq->size, &os_psq->count, &os_psq->first);
guilhemMBED 0:a7c449cd2d5a 307 if (idx < os_psq->size) {
guilhemMBED 0:a7c449cd2d5a 308 os_psq->q[idx].id = entry;
guilhemMBED 0:a7c449cd2d5a 309 os_psq->q[idx].arg = arg;
guilhemMBED 0:a7c449cd2d5a 310 }
guilhemMBED 0:a7c449cd2d5a 311 else {
guilhemMBED 0:a7c449cd2d5a 312 os_error (OS_ERR_FIFO_OVF);
guilhemMBED 0:a7c449cd2d5a 313 }
guilhemMBED 0:a7c449cd2d5a 314 }
guilhemMBED 0:a7c449cd2d5a 315
guilhemMBED 0:a7c449cd2d5a 316
guilhemMBED 0:a7c449cd2d5a 317 /*----------------------------------------------------------------------------
guilhemMBED 0:a7c449cd2d5a 318 * end of file
guilhemMBED 0:a7c449cd2d5a 319 *---------------------------------------------------------------------------*/
guilhemMBED 0:a7c449cd2d5a 320