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_Mailbox.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?

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mbedAustin 11:cada08fc8a70 1 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 2 * RL-ARM - RTX
mbedAustin 11:cada08fc8a70 3 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 4 * Name: RT_MAILBOX.C
mbedAustin 11:cada08fc8a70 5 * Purpose: Implements waits and wake-ups for mailbox messages
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_Mailbox.h"
mbedAustin 11:cada08fc8a70 40 #include "rt_MemBox.h"
mbedAustin 11:cada08fc8a70 41 #include "rt_Task.h"
mbedAustin 11:cada08fc8a70 42 #ifdef __CORTEX_A9
mbedAustin 11:cada08fc8a70 43 #include "rt_HAL_CA.h"
mbedAustin 11:cada08fc8a70 44 #else
mbedAustin 11:cada08fc8a70 45 #include "rt_HAL_CM.h"
mbedAustin 11:cada08fc8a70 46 #endif
mbedAustin 11:cada08fc8a70 47
mbedAustin 11:cada08fc8a70 48
mbedAustin 11:cada08fc8a70 49 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 50 * Functions
mbedAustin 11:cada08fc8a70 51 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 52
mbedAustin 11:cada08fc8a70 53
mbedAustin 11:cada08fc8a70 54 /*--------------------------- rt_mbx_init -----------------------------------*/
mbedAustin 11:cada08fc8a70 55
mbedAustin 11:cada08fc8a70 56 void rt_mbx_init (OS_ID mailbox, U16 mbx_size) {
mbedAustin 11:cada08fc8a70 57 /* Initialize a mailbox */
mbedAustin 11:cada08fc8a70 58 P_MCB p_MCB = mailbox;
mbedAustin 11:cada08fc8a70 59
mbedAustin 11:cada08fc8a70 60 p_MCB->cb_type = MCB;
mbedAustin 11:cada08fc8a70 61 p_MCB->state = 0;
mbedAustin 11:cada08fc8a70 62 p_MCB->isr_st = 0;
mbedAustin 11:cada08fc8a70 63 p_MCB->p_lnk = NULL;
mbedAustin 11:cada08fc8a70 64 p_MCB->first = 0;
mbedAustin 11:cada08fc8a70 65 p_MCB->last = 0;
mbedAustin 11:cada08fc8a70 66 p_MCB->count = 0;
mbedAustin 11:cada08fc8a70 67 p_MCB->size = (mbx_size + sizeof(void *) - sizeof(struct OS_MCB)) /
mbedAustin 11:cada08fc8a70 68 (U32)sizeof (void *);
mbedAustin 11:cada08fc8a70 69 }
mbedAustin 11:cada08fc8a70 70
mbedAustin 11:cada08fc8a70 71
mbedAustin 11:cada08fc8a70 72 /*--------------------------- rt_mbx_send -----------------------------------*/
mbedAustin 11:cada08fc8a70 73
mbedAustin 11:cada08fc8a70 74 OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout) {
mbedAustin 11:cada08fc8a70 75 /* Send message to a mailbox */
mbedAustin 11:cada08fc8a70 76 P_MCB p_MCB = mailbox;
mbedAustin 11:cada08fc8a70 77 P_TCB p_TCB;
mbedAustin 11:cada08fc8a70 78
mbedAustin 11:cada08fc8a70 79 if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 1)) {
mbedAustin 11:cada08fc8a70 80 /* A task is waiting for message */
mbedAustin 11:cada08fc8a70 81 p_TCB = rt_get_first ((P_XCB)p_MCB);
mbedAustin 11:cada08fc8a70 82 #ifdef __CMSIS_RTOS
mbedAustin 11:cada08fc8a70 83 rt_ret_val2(p_TCB, 0x10/*osEventMessage*/, (U32)p_msg);
mbedAustin 11:cada08fc8a70 84 #else
mbedAustin 11:cada08fc8a70 85 *p_TCB->msg = p_msg;
mbedAustin 11:cada08fc8a70 86 rt_ret_val (p_TCB, OS_R_MBX);
mbedAustin 11:cada08fc8a70 87 #endif
mbedAustin 11:cada08fc8a70 88 rt_rmv_dly (p_TCB);
mbedAustin 11:cada08fc8a70 89 rt_dispatch (p_TCB);
mbedAustin 11:cada08fc8a70 90 }
mbedAustin 11:cada08fc8a70 91 else {
mbedAustin 11:cada08fc8a70 92 /* Store message in mailbox queue */
mbedAustin 11:cada08fc8a70 93 if (p_MCB->count == p_MCB->size) {
mbedAustin 11:cada08fc8a70 94 /* No free message entry, wait for one. If message queue is full, */
mbedAustin 11:cada08fc8a70 95 /* then no task is waiting for message. The 'p_MCB->p_lnk' list */
mbedAustin 11:cada08fc8a70 96 /* pointer can now be reused for send message waits task list. */
mbedAustin 11:cada08fc8a70 97 if (timeout == 0) {
mbedAustin 11:cada08fc8a70 98 return (OS_R_TMO);
mbedAustin 11:cada08fc8a70 99 }
mbedAustin 11:cada08fc8a70 100 if (p_MCB->p_lnk != NULL) {
mbedAustin 11:cada08fc8a70 101 rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
mbedAustin 11:cada08fc8a70 102 }
mbedAustin 11:cada08fc8a70 103 else {
mbedAustin 11:cada08fc8a70 104 p_MCB->p_lnk = os_tsk.run;
mbedAustin 11:cada08fc8a70 105 os_tsk.run->p_lnk = NULL;
mbedAustin 11:cada08fc8a70 106 os_tsk.run->p_rlnk = (P_TCB)p_MCB;
mbedAustin 11:cada08fc8a70 107 /* Task is waiting to send a message */
mbedAustin 11:cada08fc8a70 108 p_MCB->state = 2;
mbedAustin 11:cada08fc8a70 109 }
mbedAustin 11:cada08fc8a70 110 os_tsk.run->msg = p_msg;
mbedAustin 11:cada08fc8a70 111 rt_block (timeout, WAIT_MBX);
mbedAustin 11:cada08fc8a70 112 return (OS_R_TMO);
mbedAustin 11:cada08fc8a70 113 }
mbedAustin 11:cada08fc8a70 114 /* Yes, there is a free entry in a mailbox. */
mbedAustin 11:cada08fc8a70 115 p_MCB->msg[p_MCB->first] = p_msg;
mbedAustin 11:cada08fc8a70 116 rt_inc (&p_MCB->count);
mbedAustin 11:cada08fc8a70 117 if (++p_MCB->first == p_MCB->size) {
mbedAustin 11:cada08fc8a70 118 p_MCB->first = 0;
mbedAustin 11:cada08fc8a70 119 }
mbedAustin 11:cada08fc8a70 120 }
mbedAustin 11:cada08fc8a70 121 return (OS_R_OK);
mbedAustin 11:cada08fc8a70 122 }
mbedAustin 11:cada08fc8a70 123
mbedAustin 11:cada08fc8a70 124
mbedAustin 11:cada08fc8a70 125 /*--------------------------- rt_mbx_wait -----------------------------------*/
mbedAustin 11:cada08fc8a70 126
mbedAustin 11:cada08fc8a70 127 OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout) {
mbedAustin 11:cada08fc8a70 128 /* Receive a message; possibly wait for it */
mbedAustin 11:cada08fc8a70 129 P_MCB p_MCB = mailbox;
mbedAustin 11:cada08fc8a70 130 P_TCB p_TCB;
mbedAustin 11:cada08fc8a70 131
mbedAustin 11:cada08fc8a70 132 /* If a message is available in the fifo buffer */
mbedAustin 11:cada08fc8a70 133 /* remove it from the fifo buffer and return. */
mbedAustin 11:cada08fc8a70 134 if (p_MCB->count) {
mbedAustin 11:cada08fc8a70 135 *message = p_MCB->msg[p_MCB->last];
mbedAustin 11:cada08fc8a70 136 if (++p_MCB->last == p_MCB->size) {
mbedAustin 11:cada08fc8a70 137 p_MCB->last = 0;
mbedAustin 11:cada08fc8a70 138 }
mbedAustin 11:cada08fc8a70 139 if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 2)) {
mbedAustin 11:cada08fc8a70 140 /* A task is waiting to send message */
mbedAustin 11:cada08fc8a70 141 p_TCB = rt_get_first ((P_XCB)p_MCB);
mbedAustin 11:cada08fc8a70 142 #ifdef __CMSIS_RTOS
mbedAustin 11:cada08fc8a70 143 rt_ret_val(p_TCB, 0/*osOK*/);
mbedAustin 11:cada08fc8a70 144 #else
mbedAustin 11:cada08fc8a70 145 rt_ret_val(p_TCB, OS_R_OK);
mbedAustin 11:cada08fc8a70 146 #endif
mbedAustin 11:cada08fc8a70 147 p_MCB->msg[p_MCB->first] = p_TCB->msg;
mbedAustin 11:cada08fc8a70 148 if (++p_MCB->first == p_MCB->size) {
mbedAustin 11:cada08fc8a70 149 p_MCB->first = 0;
mbedAustin 11:cada08fc8a70 150 }
mbedAustin 11:cada08fc8a70 151 rt_rmv_dly (p_TCB);
mbedAustin 11:cada08fc8a70 152 rt_dispatch (p_TCB);
mbedAustin 11:cada08fc8a70 153 }
mbedAustin 11:cada08fc8a70 154 else {
mbedAustin 11:cada08fc8a70 155 rt_dec (&p_MCB->count);
mbedAustin 11:cada08fc8a70 156 }
mbedAustin 11:cada08fc8a70 157 return (OS_R_OK);
mbedAustin 11:cada08fc8a70 158 }
mbedAustin 11:cada08fc8a70 159 /* No message available: wait for one */
mbedAustin 11:cada08fc8a70 160 if (timeout == 0) {
mbedAustin 11:cada08fc8a70 161 return (OS_R_TMO);
mbedAustin 11:cada08fc8a70 162 }
mbedAustin 11:cada08fc8a70 163 if (p_MCB->p_lnk != NULL) {
mbedAustin 11:cada08fc8a70 164 rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
mbedAustin 11:cada08fc8a70 165 }
mbedAustin 11:cada08fc8a70 166 else {
mbedAustin 11:cada08fc8a70 167 p_MCB->p_lnk = os_tsk.run;
mbedAustin 11:cada08fc8a70 168 os_tsk.run->p_lnk = NULL;
mbedAustin 11:cada08fc8a70 169 os_tsk.run->p_rlnk = (P_TCB)p_MCB;
mbedAustin 11:cada08fc8a70 170 /* Task is waiting to receive a message */
mbedAustin 11:cada08fc8a70 171 p_MCB->state = 1;
mbedAustin 11:cada08fc8a70 172 }
mbedAustin 11:cada08fc8a70 173 rt_block(timeout, WAIT_MBX);
mbedAustin 11:cada08fc8a70 174 #ifndef __CMSIS_RTOS
mbedAustin 11:cada08fc8a70 175 os_tsk.run->msg = message;
mbedAustin 11:cada08fc8a70 176 #endif
mbedAustin 11:cada08fc8a70 177 return (OS_R_TMO);
mbedAustin 11:cada08fc8a70 178 }
mbedAustin 11:cada08fc8a70 179
mbedAustin 11:cada08fc8a70 180
mbedAustin 11:cada08fc8a70 181 /*--------------------------- rt_mbx_check ----------------------------------*/
mbedAustin 11:cada08fc8a70 182
mbedAustin 11:cada08fc8a70 183 OS_RESULT rt_mbx_check (OS_ID mailbox) {
mbedAustin 11:cada08fc8a70 184 /* Check for free space in a mailbox. Returns the number of messages */
mbedAustin 11:cada08fc8a70 185 /* that can be stored to a mailbox. It returns 0 when mailbox is full. */
mbedAustin 11:cada08fc8a70 186 P_MCB p_MCB = mailbox;
mbedAustin 11:cada08fc8a70 187
mbedAustin 11:cada08fc8a70 188 return (p_MCB->size - p_MCB->count);
mbedAustin 11:cada08fc8a70 189 }
mbedAustin 11:cada08fc8a70 190
mbedAustin 11:cada08fc8a70 191
mbedAustin 11:cada08fc8a70 192 /*--------------------------- isr_mbx_send ----------------------------------*/
mbedAustin 11:cada08fc8a70 193
mbedAustin 11:cada08fc8a70 194 void isr_mbx_send (OS_ID mailbox, void *p_msg) {
mbedAustin 11:cada08fc8a70 195 /* Same function as "os_mbx_send", but to be called by ISRs. */
mbedAustin 11:cada08fc8a70 196 P_MCB p_MCB = mailbox;
mbedAustin 11:cada08fc8a70 197
mbedAustin 11:cada08fc8a70 198 rt_psq_enq (p_MCB, (U32)p_msg);
mbedAustin 11:cada08fc8a70 199 rt_psh_req ();
mbedAustin 11:cada08fc8a70 200 }
mbedAustin 11:cada08fc8a70 201
mbedAustin 11:cada08fc8a70 202
mbedAustin 11:cada08fc8a70 203 /*--------------------------- isr_mbx_receive -------------------------------*/
mbedAustin 11:cada08fc8a70 204
mbedAustin 11:cada08fc8a70 205 OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message) {
mbedAustin 11:cada08fc8a70 206 /* Receive a message in the interrupt function. The interrupt function */
mbedAustin 11:cada08fc8a70 207 /* should not wait for a message since this would block the rtx os. */
mbedAustin 11:cada08fc8a70 208 P_MCB p_MCB = mailbox;
mbedAustin 11:cada08fc8a70 209
mbedAustin 11:cada08fc8a70 210 if (p_MCB->count) {
mbedAustin 11:cada08fc8a70 211 /* A message is available in the fifo buffer. */
mbedAustin 11:cada08fc8a70 212 *message = p_MCB->msg[p_MCB->last];
mbedAustin 11:cada08fc8a70 213 if (p_MCB->state == 2) {
mbedAustin 11:cada08fc8a70 214 /* A task is locked waiting to send message */
mbedAustin 11:cada08fc8a70 215 rt_psq_enq (p_MCB, 0);
mbedAustin 11:cada08fc8a70 216 rt_psh_req ();
mbedAustin 11:cada08fc8a70 217 }
mbedAustin 11:cada08fc8a70 218 rt_dec (&p_MCB->count);
mbedAustin 11:cada08fc8a70 219 if (++p_MCB->last == p_MCB->size) {
mbedAustin 11:cada08fc8a70 220 p_MCB->last = 0;
mbedAustin 11:cada08fc8a70 221 }
mbedAustin 11:cada08fc8a70 222 return (OS_R_MBX);
mbedAustin 11:cada08fc8a70 223 }
mbedAustin 11:cada08fc8a70 224 return (OS_R_OK);
mbedAustin 11:cada08fc8a70 225 }
mbedAustin 11:cada08fc8a70 226
mbedAustin 11:cada08fc8a70 227
mbedAustin 11:cada08fc8a70 228 /*--------------------------- rt_mbx_psh ------------------------------------*/
mbedAustin 11:cada08fc8a70 229
mbedAustin 11:cada08fc8a70 230 void rt_mbx_psh (P_MCB p_CB, void *p_msg) {
mbedAustin 11:cada08fc8a70 231 /* Store the message to the mailbox queue or pass it to task directly. */
mbedAustin 11:cada08fc8a70 232 P_TCB p_TCB;
mbedAustin 11:cada08fc8a70 233 void *mem;
mbedAustin 11:cada08fc8a70 234
mbedAustin 11:cada08fc8a70 235 if (p_CB->p_lnk != NULL) switch (p_CB->state) {
mbedAustin 11:cada08fc8a70 236 #ifdef __CMSIS_RTOS
mbedAustin 11:cada08fc8a70 237 case 3:
mbedAustin 11:cada08fc8a70 238 /* Task is waiting to allocate memory, remove it from the waiting list */
mbedAustin 11:cada08fc8a70 239 mem = rt_alloc_box(p_msg);
mbedAustin 11:cada08fc8a70 240 if (mem == NULL) break;
mbedAustin 11:cada08fc8a70 241 p_TCB = rt_get_first ((P_XCB)p_CB);
mbedAustin 11:cada08fc8a70 242 rt_ret_val(p_TCB, (U32)mem);
mbedAustin 11:cada08fc8a70 243 p_TCB->state = READY;
mbedAustin 11:cada08fc8a70 244 rt_rmv_dly (p_TCB);
mbedAustin 11:cada08fc8a70 245 rt_put_prio (&os_rdy, p_TCB);
mbedAustin 11:cada08fc8a70 246 break;
mbedAustin 11:cada08fc8a70 247 #endif
mbedAustin 11:cada08fc8a70 248 case 2:
mbedAustin 11:cada08fc8a70 249 /* Task is waiting to send a message, remove it from the waiting list */
mbedAustin 11:cada08fc8a70 250 p_TCB = rt_get_first ((P_XCB)p_CB);
mbedAustin 11:cada08fc8a70 251 #ifdef __CMSIS_RTOS
mbedAustin 11:cada08fc8a70 252 rt_ret_val(p_TCB, 0/*osOK*/);
mbedAustin 11:cada08fc8a70 253 #else
mbedAustin 11:cada08fc8a70 254 rt_ret_val(p_TCB, OS_R_OK);
mbedAustin 11:cada08fc8a70 255 #endif
mbedAustin 11:cada08fc8a70 256 p_CB->msg[p_CB->first] = p_TCB->msg;
mbedAustin 11:cada08fc8a70 257 rt_inc (&p_CB->count);
mbedAustin 11:cada08fc8a70 258 if (++p_CB->first == p_CB->size) {
mbedAustin 11:cada08fc8a70 259 p_CB->first = 0;
mbedAustin 11:cada08fc8a70 260 }
mbedAustin 11:cada08fc8a70 261 p_TCB->state = READY;
mbedAustin 11:cada08fc8a70 262 rt_rmv_dly (p_TCB);
mbedAustin 11:cada08fc8a70 263 rt_put_prio (&os_rdy, p_TCB);
mbedAustin 11:cada08fc8a70 264 break;
mbedAustin 11:cada08fc8a70 265 case 1:
mbedAustin 11:cada08fc8a70 266 /* Task is waiting for a message, pass the message to the task directly */
mbedAustin 11:cada08fc8a70 267 p_TCB = rt_get_first ((P_XCB)p_CB);
mbedAustin 11:cada08fc8a70 268 #ifdef __CMSIS_RTOS
mbedAustin 11:cada08fc8a70 269 rt_ret_val2(p_TCB, 0x10/*osEventMessage*/, (U32)p_msg);
mbedAustin 11:cada08fc8a70 270 #else
mbedAustin 11:cada08fc8a70 271 *p_TCB->msg = p_msg;
mbedAustin 11:cada08fc8a70 272 rt_ret_val (p_TCB, OS_R_MBX);
mbedAustin 11:cada08fc8a70 273 #endif
mbedAustin 11:cada08fc8a70 274 p_TCB->state = READY;
mbedAustin 11:cada08fc8a70 275 rt_rmv_dly (p_TCB);
mbedAustin 11:cada08fc8a70 276 rt_put_prio (&os_rdy, p_TCB);
mbedAustin 11:cada08fc8a70 277 break;
mbedAustin 11:cada08fc8a70 278 } else {
mbedAustin 11:cada08fc8a70 279 /* No task is waiting for a message, store it to the mailbox queue */
mbedAustin 11:cada08fc8a70 280 if (p_CB->count < p_CB->size) {
mbedAustin 11:cada08fc8a70 281 p_CB->msg[p_CB->first] = p_msg;
mbedAustin 11:cada08fc8a70 282 rt_inc (&p_CB->count);
mbedAustin 11:cada08fc8a70 283 if (++p_CB->first == p_CB->size) {
mbedAustin 11:cada08fc8a70 284 p_CB->first = 0;
mbedAustin 11:cada08fc8a70 285 }
mbedAustin 11:cada08fc8a70 286 }
mbedAustin 11:cada08fc8a70 287 else {
mbedAustin 11:cada08fc8a70 288 os_error (OS_ERR_MBX_OVF);
mbedAustin 11:cada08fc8a70 289 }
mbedAustin 11:cada08fc8a70 290 }
mbedAustin 11:cada08fc8a70 291 }
mbedAustin 11:cada08fc8a70 292
mbedAustin 11:cada08fc8a70 293 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 294 * end of file
mbedAustin 11:cada08fc8a70 295 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 296