Yasushi TAUCHI / Mbed 2 deprecated giken9_HTMLServer_Sample

ソースの整理中ですが、利用はできます。

Dependencies:   EthernetInterface HttpServer TextLCD mbed-rpc mbed-rtos mbed Socket lwip-eth lwip-sys lwip

mbed-rtos/rtx/rt_List.c@2:14b689a85306, 2014-03-12 (annotated)

Committer:
yueee_yt
Date:
Wed Mar 12 04:39:15 2014 +0000
Revision:
2:14b689a85306
Parent:
0:7766f6712673 
bug fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yueee_yt 0:7766f6712673 1 /*----------------------------------------------------------------------------
yueee_yt 0:7766f6712673 2 * RL-ARM - RTX
yueee_yt 0:7766f6712673 3 *----------------------------------------------------------------------------
yueee_yt 0:7766f6712673 4 * Name: RT_LIST.C
yueee_yt 0:7766f6712673 5 * Purpose: Functions for the management of different lists
yueee_yt 0:7766f6712673 6 * Rev.: V4.60
yueee_yt 0:7766f6712673 7 *----------------------------------------------------------------------------
yueee_yt 0:7766f6712673 8 *
yueee_yt 0:7766f6712673 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
yueee_yt 0:7766f6712673 10 * All rights reserved.
yueee_yt 0:7766f6712673 11 * Redistribution and use in source and binary forms, with or without
yueee_yt 0:7766f6712673 12 * modification, are permitted provided that the following conditions are met:
yueee_yt 0:7766f6712673 13 * - Redistributions of source code must retain the above copyright
yueee_yt 0:7766f6712673 14 * notice, this list of conditions and the following disclaimer.
yueee_yt 0:7766f6712673 15 * - Redistributions in binary form must reproduce the above copyright
yueee_yt 0:7766f6712673 16 * notice, this list of conditions and the following disclaimer in the
yueee_yt 0:7766f6712673 17 * documentation and/or other materials provided with the distribution.
yueee_yt 0:7766f6712673 18 * - Neither the name of ARM nor the names of its contributors may be used
yueee_yt 0:7766f6712673 19 * to endorse or promote products derived from this software without
yueee_yt 0:7766f6712673 20 * specific prior written permission.
yueee_yt 0:7766f6712673 21 *
yueee_yt 0:7766f6712673 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
yueee_yt 0:7766f6712673 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
yueee_yt 0:7766f6712673 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
yueee_yt 0:7766f6712673 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
yueee_yt 0:7766f6712673 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
yueee_yt 0:7766f6712673 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
yueee_yt 0:7766f6712673 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
yueee_yt 0:7766f6712673 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
yueee_yt 0:7766f6712673 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
yueee_yt 0:7766f6712673 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
yueee_yt 0:7766f6712673 32 * POSSIBILITY OF SUCH DAMAGE.
yueee_yt 0:7766f6712673 33 *---------------------------------------------------------------------------*/
yueee_yt 0:7766f6712673 34
yueee_yt 0:7766f6712673 35 #include "rt_TypeDef.h"
yueee_yt 0:7766f6712673 36 #include "RTX_Conf.h"
yueee_yt 0:7766f6712673 37 #include "rt_System.h"
yueee_yt 0:7766f6712673 38 #include "rt_List.h"
yueee_yt 0:7766f6712673 39 #include "rt_Task.h"
yueee_yt 0:7766f6712673 40 #include "rt_Time.h"
yueee_yt 0:7766f6712673 41 #include "rt_HAL_CM.h"
yueee_yt 0:7766f6712673 42
yueee_yt 0:7766f6712673 43 /*----------------------------------------------------------------------------
yueee_yt 0:7766f6712673 44 * Global Variables
yueee_yt 0:7766f6712673 45 *---------------------------------------------------------------------------*/
yueee_yt 0:7766f6712673 46
yueee_yt 0:7766f6712673 47 /* List head of chained ready tasks */
yueee_yt 0:7766f6712673 48 struct OS_XCB os_rdy;
yueee_yt 0:7766f6712673 49 /* List head of chained delay tasks */
yueee_yt 0:7766f6712673 50 struct OS_XCB os_dly;
yueee_yt 0:7766f6712673 51
yueee_yt 0:7766f6712673 52
yueee_yt 0:7766f6712673 53 /*----------------------------------------------------------------------------
yueee_yt 0:7766f6712673 54 * Functions
yueee_yt 0:7766f6712673 55 *---------------------------------------------------------------------------*/
yueee_yt 0:7766f6712673 56
yueee_yt 0:7766f6712673 57
yueee_yt 0:7766f6712673 58 /*--------------------------- rt_put_prio -----------------------------------*/
yueee_yt 0:7766f6712673 59
yueee_yt 0:7766f6712673 60 void rt_put_prio (P_XCB p_CB, P_TCB p_task) {
yueee_yt 0:7766f6712673 61 /* Put task identified with "p_task" into list ordered by priority. */
yueee_yt 0:7766f6712673 62 /* "p_CB" points to head of list; list has always an element at end with */
yueee_yt 0:7766f6712673 63 /* a priority less than "p_task->prio". */
yueee_yt 0:7766f6712673 64 P_TCB p_CB2;
yueee_yt 0:7766f6712673 65 U32 prio;
yueee_yt 0:7766f6712673 66 BOOL sem_mbx = __FALSE;
yueee_yt 0:7766f6712673 67
yueee_yt 0:7766f6712673 68 if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
yueee_yt 0:7766f6712673 69 sem_mbx = __TRUE;
yueee_yt 0:7766f6712673 70 }
yueee_yt 0:7766f6712673 71 prio = p_task->prio;
yueee_yt 0:7766f6712673 72 p_CB2 = p_CB->p_lnk;
yueee_yt 0:7766f6712673 73 /* Search for an entry in the list */
yueee_yt 0:7766f6712673 74 while (p_CB2 != NULL && prio <= p_CB2->prio) {
yueee_yt 0:7766f6712673 75 p_CB = (P_XCB)p_CB2;
yueee_yt 0:7766f6712673 76 p_CB2 = p_CB2->p_lnk;
yueee_yt 0:7766f6712673 77 }
yueee_yt 0:7766f6712673 78 /* Entry found, insert the task into the list */
yueee_yt 0:7766f6712673 79 p_task->p_lnk = p_CB2;
yueee_yt 0:7766f6712673 80 p_CB->p_lnk = p_task;
yueee_yt 0:7766f6712673 81 if (sem_mbx) {
yueee_yt 0:7766f6712673 82 if (p_CB2 != NULL) {
yueee_yt 0:7766f6712673 83 p_CB2->p_rlnk = p_task;
yueee_yt 0:7766f6712673 84 }
yueee_yt 0:7766f6712673 85 p_task->p_rlnk = (P_TCB)p_CB;
yueee_yt 0:7766f6712673 86 }
yueee_yt 0:7766f6712673 87 else {
yueee_yt 0:7766f6712673 88 p_task->p_rlnk = NULL;
yueee_yt 0:7766f6712673 89 }
yueee_yt 0:7766f6712673 90 }
yueee_yt 0:7766f6712673 91
yueee_yt 0:7766f6712673 92
yueee_yt 0:7766f6712673 93 /*--------------------------- rt_get_first ----------------------------------*/
yueee_yt 0:7766f6712673 94
yueee_yt 0:7766f6712673 95 P_TCB rt_get_first (P_XCB p_CB) {
yueee_yt 0:7766f6712673 96 /* Get task at head of list: it is the task with highest priority. */
yueee_yt 0:7766f6712673 97 /* "p_CB" points to head of list. */
yueee_yt 0:7766f6712673 98 P_TCB p_first;
yueee_yt 0:7766f6712673 99
yueee_yt 0:7766f6712673 100 p_first = p_CB->p_lnk;
yueee_yt 0:7766f6712673 101 p_CB->p_lnk = p_first->p_lnk;
yueee_yt 0:7766f6712673 102 if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
yueee_yt 0:7766f6712673 103 if (p_first->p_lnk != NULL) {
yueee_yt 0:7766f6712673 104 p_first->p_lnk->p_rlnk = (P_TCB)p_CB;
yueee_yt 0:7766f6712673 105 p_first->p_lnk = NULL;
yueee_yt 0:7766f6712673 106 }
yueee_yt 0:7766f6712673 107 p_first->p_rlnk = NULL;
yueee_yt 0:7766f6712673 108 }
yueee_yt 0:7766f6712673 109 else {
yueee_yt 0:7766f6712673 110 p_first->p_lnk = NULL;
yueee_yt 0:7766f6712673 111 }
yueee_yt 0:7766f6712673 112 return (p_first);
yueee_yt 0:7766f6712673 113 }
yueee_yt 0:7766f6712673 114
yueee_yt 0:7766f6712673 115
yueee_yt 0:7766f6712673 116 /*--------------------------- rt_put_rdy_first ------------------------------*/
yueee_yt 0:7766f6712673 117
yueee_yt 0:7766f6712673 118 void rt_put_rdy_first (P_TCB p_task) {
yueee_yt 0:7766f6712673 119 /* Put task identified with "p_task" at the head of the ready list. The */
yueee_yt 0:7766f6712673 120 /* task must have at least a priority equal to highest priority in list. */
yueee_yt 0:7766f6712673 121 p_task->p_lnk = os_rdy.p_lnk;
yueee_yt 0:7766f6712673 122 p_task->p_rlnk = NULL;
yueee_yt 0:7766f6712673 123 os_rdy.p_lnk = p_task;
yueee_yt 0:7766f6712673 124 }
yueee_yt 0:7766f6712673 125
yueee_yt 0:7766f6712673 126
yueee_yt 0:7766f6712673 127 /*--------------------------- rt_get_same_rdy_prio --------------------------*/
yueee_yt 0:7766f6712673 128
yueee_yt 0:7766f6712673 129 P_TCB rt_get_same_rdy_prio (void) {
yueee_yt 0:7766f6712673 130 /* Remove a task of same priority from ready list if any exists. Other- */
yueee_yt 0:7766f6712673 131 /* wise return NULL. */
yueee_yt 0:7766f6712673 132 P_TCB p_first;
yueee_yt 0:7766f6712673 133
yueee_yt 0:7766f6712673 134 p_first = os_rdy.p_lnk;
yueee_yt 0:7766f6712673 135 if (p_first->prio == os_tsk.run->prio) {
yueee_yt 0:7766f6712673 136 os_rdy.p_lnk = os_rdy.p_lnk->p_lnk;
yueee_yt 0:7766f6712673 137 return (p_first);
yueee_yt 0:7766f6712673 138 }
yueee_yt 0:7766f6712673 139 return (NULL);
yueee_yt 0:7766f6712673 140 }
yueee_yt 0:7766f6712673 141
yueee_yt 0:7766f6712673 142
yueee_yt 0:7766f6712673 143 /*--------------------------- rt_resort_prio --------------------------------*/
yueee_yt 0:7766f6712673 144
yueee_yt 0:7766f6712673 145 void rt_resort_prio (P_TCB p_task) {
yueee_yt 0:7766f6712673 146 /* Re-sort ordered lists after the priority of 'p_task' has changed. */
yueee_yt 0:7766f6712673 147 P_TCB p_CB;
yueee_yt 0:7766f6712673 148
yueee_yt 0:7766f6712673 149 if (p_task->p_rlnk == NULL) {
yueee_yt 0:7766f6712673 150 if (p_task->state == READY) {
yueee_yt 0:7766f6712673 151 /* Task is chained into READY list. */
yueee_yt 0:7766f6712673 152 p_CB = (P_TCB)&os_rdy;
yueee_yt 0:7766f6712673 153 goto res;
yueee_yt 0:7766f6712673 154 }
yueee_yt 0:7766f6712673 155 }
yueee_yt 0:7766f6712673 156 else {
yueee_yt 0:7766f6712673 157 p_CB = p_task->p_rlnk;
yueee_yt 0:7766f6712673 158 while (p_CB->cb_type == TCB) {
yueee_yt 0:7766f6712673 159 /* Find a header of this task chain list. */
yueee_yt 0:7766f6712673 160 p_CB = p_CB->p_rlnk;
yueee_yt 0:7766f6712673 161 }
yueee_yt 0:7766f6712673 162 res:rt_rmv_list (p_task);
yueee_yt 0:7766f6712673 163 rt_put_prio ((P_XCB)p_CB, p_task);
yueee_yt 0:7766f6712673 164 }
yueee_yt 0:7766f6712673 165 }
yueee_yt 0:7766f6712673 166
yueee_yt 0:7766f6712673 167
yueee_yt 0:7766f6712673 168 /*--------------------------- rt_put_dly ------------------------------------*/
yueee_yt 0:7766f6712673 169
yueee_yt 0:7766f6712673 170 void rt_put_dly (P_TCB p_task, U16 delay) {
yueee_yt 0:7766f6712673 171 /* Put a task identified with "p_task" into chained delay wait list using */
yueee_yt 0:7766f6712673 172 /* a delay value of "delay". */
yueee_yt 0:7766f6712673 173 P_TCB p;
yueee_yt 0:7766f6712673 174 U32 delta,idelay = delay;
yueee_yt 0:7766f6712673 175
yueee_yt 0:7766f6712673 176 p = (P_TCB)&os_dly;
yueee_yt 0:7766f6712673 177 if (p->p_dlnk == NULL) {
yueee_yt 0:7766f6712673 178 /* Delay list empty */
yueee_yt 0:7766f6712673 179 delta = 0;
yueee_yt 0:7766f6712673 180 goto last;
yueee_yt 0:7766f6712673 181 }
yueee_yt 0:7766f6712673 182 delta = os_dly.delta_time;
yueee_yt 0:7766f6712673 183 while (delta < idelay) {
yueee_yt 0:7766f6712673 184 if (p->p_dlnk == NULL) {
yueee_yt 0:7766f6712673 185 /* End of list found */
yueee_yt 0:7766f6712673 186 last: p_task->p_dlnk = NULL;
yueee_yt 0:7766f6712673 187 p->p_dlnk = p_task;
yueee_yt 0:7766f6712673 188 p_task->p_blnk = p;
yueee_yt 0:7766f6712673 189 p->delta_time = (U16)(idelay - delta);
yueee_yt 0:7766f6712673 190 p_task->delta_time = 0;
yueee_yt 0:7766f6712673 191 return;
yueee_yt 0:7766f6712673 192 }
yueee_yt 0:7766f6712673 193 p = p->p_dlnk;
yueee_yt 0:7766f6712673 194 delta += p->delta_time;
yueee_yt 0:7766f6712673 195 }
yueee_yt 0:7766f6712673 196 /* Right place found */
yueee_yt 0:7766f6712673 197 p_task->p_dlnk = p->p_dlnk;
yueee_yt 0:7766f6712673 198 p->p_dlnk = p_task;
yueee_yt 0:7766f6712673 199 p_task->p_blnk = p;
yueee_yt 0:7766f6712673 200 if (p_task->p_dlnk != NULL) {
yueee_yt 0:7766f6712673 201 p_task->p_dlnk->p_blnk = p_task;
yueee_yt 0:7766f6712673 202 }
yueee_yt 0:7766f6712673 203 p_task->delta_time = (U16)(delta - idelay);
yueee_yt 0:7766f6712673 204 p->delta_time -= p_task->delta_time;
yueee_yt 0:7766f6712673 205 }
yueee_yt 0:7766f6712673 206
yueee_yt 0:7766f6712673 207
yueee_yt 0:7766f6712673 208 /*--------------------------- rt_dec_dly ------------------------------------*/
yueee_yt 0:7766f6712673 209
yueee_yt 0:7766f6712673 210 void rt_dec_dly (void) {
yueee_yt 0:7766f6712673 211 /* Decrement delta time of list head: remove tasks having a value of zero.*/
yueee_yt 0:7766f6712673 212 P_TCB p_rdy;
yueee_yt 0:7766f6712673 213
yueee_yt 0:7766f6712673 214 if (os_dly.p_dlnk == NULL) {
yueee_yt 0:7766f6712673 215 return;
yueee_yt 0:7766f6712673 216 }
yueee_yt 0:7766f6712673 217 os_dly.delta_time--;
yueee_yt 0:7766f6712673 218 while ((os_dly.delta_time == 0) && (os_dly.p_dlnk != NULL)) {
yueee_yt 0:7766f6712673 219 p_rdy = os_dly.p_dlnk;
yueee_yt 0:7766f6712673 220 if (p_rdy->p_rlnk != NULL) {
yueee_yt 0:7766f6712673 221 /* Task is really enqueued, remove task from semaphore/mailbox */
yueee_yt 0:7766f6712673 222 /* timeout waiting list. */
yueee_yt 0:7766f6712673 223 p_rdy->p_rlnk->p_lnk = p_rdy->p_lnk;
yueee_yt 0:7766f6712673 224 if (p_rdy->p_lnk != NULL) {
yueee_yt 0:7766f6712673 225 p_rdy->p_lnk->p_rlnk = p_rdy->p_rlnk;
yueee_yt 0:7766f6712673 226 p_rdy->p_lnk = NULL;
yueee_yt 0:7766f6712673 227 }
yueee_yt 0:7766f6712673 228 p_rdy->p_rlnk = NULL;
yueee_yt 0:7766f6712673 229 }
yueee_yt 0:7766f6712673 230 rt_put_prio (&os_rdy, p_rdy);
yueee_yt 0:7766f6712673 231 os_dly.delta_time = p_rdy->delta_time;
yueee_yt 0:7766f6712673 232 if (p_rdy->state == WAIT_ITV) {
yueee_yt 0:7766f6712673 233 /* Calculate the next time for interval wait. */
yueee_yt 0:7766f6712673 234 p_rdy->delta_time = p_rdy->interval_time + (U16)os_time;
yueee_yt 0:7766f6712673 235 }
yueee_yt 0:7766f6712673 236 p_rdy->state = READY;
yueee_yt 0:7766f6712673 237 os_dly.p_dlnk = p_rdy->p_dlnk;
yueee_yt 0:7766f6712673 238 if (p_rdy->p_dlnk != NULL) {
yueee_yt 0:7766f6712673 239 p_rdy->p_dlnk->p_blnk = (P_TCB)&os_dly;
yueee_yt 0:7766f6712673 240 p_rdy->p_dlnk = NULL;
yueee_yt 0:7766f6712673 241 }
yueee_yt 0:7766f6712673 242 p_rdy->p_blnk = NULL;
yueee_yt 0:7766f6712673 243 }
yueee_yt 0:7766f6712673 244 }
yueee_yt 0:7766f6712673 245
yueee_yt 0:7766f6712673 246
yueee_yt 0:7766f6712673 247 /*--------------------------- rt_rmv_list -----------------------------------*/
yueee_yt 0:7766f6712673 248
yueee_yt 0:7766f6712673 249 void rt_rmv_list (P_TCB p_task) {
yueee_yt 0:7766f6712673 250 /* Remove task identified with "p_task" from ready, semaphore or mailbox */
yueee_yt 0:7766f6712673 251 /* waiting list if enqueued. */
yueee_yt 0:7766f6712673 252 P_TCB p_b;
yueee_yt 0:7766f6712673 253
yueee_yt 0:7766f6712673 254 if (p_task->p_rlnk != NULL) {
yueee_yt 0:7766f6712673 255 /* A task is enqueued in semaphore / mailbox waiting list. */
yueee_yt 0:7766f6712673 256 p_task->p_rlnk->p_lnk = p_task->p_lnk;
yueee_yt 0:7766f6712673 257 if (p_task->p_lnk != NULL) {
yueee_yt 0:7766f6712673 258 p_task->p_lnk->p_rlnk = p_task->p_rlnk;
yueee_yt 0:7766f6712673 259 }
yueee_yt 0:7766f6712673 260 return;
yueee_yt 0:7766f6712673 261 }
yueee_yt 0:7766f6712673 262
yueee_yt 0:7766f6712673 263 p_b = (P_TCB)&os_rdy;
yueee_yt 0:7766f6712673 264 while (p_b != NULL) {
yueee_yt 0:7766f6712673 265 /* Search the ready list for task "p_task" */
yueee_yt 0:7766f6712673 266 if (p_b->p_lnk == p_task) {
yueee_yt 0:7766f6712673 267 p_b->p_lnk = p_task->p_lnk;
yueee_yt 0:7766f6712673 268 return;
yueee_yt 0:7766f6712673 269 }
yueee_yt 0:7766f6712673 270 p_b = p_b->p_lnk;
yueee_yt 0:7766f6712673 271 }
yueee_yt 0:7766f6712673 272 }
yueee_yt 0:7766f6712673 273
yueee_yt 0:7766f6712673 274
yueee_yt 0:7766f6712673 275 /*--------------------------- rt_rmv_dly ------------------------------------*/
yueee_yt 0:7766f6712673 276
yueee_yt 0:7766f6712673 277 void rt_rmv_dly (P_TCB p_task) {
yueee_yt 0:7766f6712673 278 /* Remove task identified with "p_task" from delay list if enqueued. */
yueee_yt 0:7766f6712673 279 P_TCB p_b;
yueee_yt 0:7766f6712673 280
yueee_yt 0:7766f6712673 281 p_b = p_task->p_blnk;
yueee_yt 0:7766f6712673 282 if (p_b != NULL) {
yueee_yt 0:7766f6712673 283 /* Task is really enqueued */
yueee_yt 0:7766f6712673 284 p_b->p_dlnk = p_task->p_dlnk;
yueee_yt 0:7766f6712673 285 if (p_task->p_dlnk != NULL) {
yueee_yt 0:7766f6712673 286 /* 'p_task' is in the middle of list */
yueee_yt 0:7766f6712673 287 p_b->delta_time += p_task->delta_time;
yueee_yt 0:7766f6712673 288 p_task->p_dlnk->p_blnk = p_b;
yueee_yt 0:7766f6712673 289 p_task->p_dlnk = NULL;
yueee_yt 0:7766f6712673 290 }
yueee_yt 0:7766f6712673 291 else {
yueee_yt 0:7766f6712673 292 /* 'p_task' is at the end of list */
yueee_yt 0:7766f6712673 293 p_b->delta_time = 0;
yueee_yt 0:7766f6712673 294 }
yueee_yt 0:7766f6712673 295 p_task->p_blnk = NULL;
yueee_yt 0:7766f6712673 296 }
yueee_yt 0:7766f6712673 297 }
yueee_yt 0:7766f6712673 298
yueee_yt 0:7766f6712673 299
yueee_yt 0:7766f6712673 300 /*--------------------------- rt_psq_enq ------------------------------------*/
yueee_yt 0:7766f6712673 301
yueee_yt 0:7766f6712673 302 void rt_psq_enq (OS_ID entry, U32 arg) {
yueee_yt 0:7766f6712673 303 /* Insert post service request "entry" into ps-queue. */
yueee_yt 0:7766f6712673 304 U32 idx;
yueee_yt 0:7766f6712673 305
yueee_yt 0:7766f6712673 306 idx = rt_inc_qi (os_psq->size, &os_psq->count, &os_psq->first);
yueee_yt 0:7766f6712673 307 if (idx < os_psq->size) {
yueee_yt 0:7766f6712673 308 os_psq->q[idx].id = entry;
yueee_yt 0:7766f6712673 309 os_psq->q[idx].arg = arg;
yueee_yt 0:7766f6712673 310 }
yueee_yt 0:7766f6712673 311 else {
yueee_yt 0:7766f6712673 312 os_error (OS_ERR_FIFO_OVF);
yueee_yt 0:7766f6712673 313 }
yueee_yt 0:7766f6712673 314 }
yueee_yt 0:7766f6712673 315
yueee_yt 0:7766f6712673 316
yueee_yt 0:7766f6712673 317 /*----------------------------------------------------------------------------
yueee_yt 0:7766f6712673 318 * end of file
yueee_yt 0:7766f6712673 319 *---------------------------------------------------------------------------*/
yueee_yt 0:7766f6712673 320