V M / Mbed 2 deprecated NRF24L01_receiver

NRF com

Dependencies:   mbed nRF24L01P

mbed-rtos/rtx/rt_Mailbox.c@0:fdfe93cb9255, 2013-05-27 (annotated)

Committer:
vmihalcut
Date:
Mon May 27 06:06:31 2013 +0000
Revision:
0:fdfe93cb9255
NRF24L01 receiver

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vmihalcut 0:fdfe93cb9255 1 /*----------------------------------------------------------------------------
vmihalcut 0:fdfe93cb9255 2 * RL-ARM - RTX
vmihalcut 0:fdfe93cb9255 3 *----------------------------------------------------------------------------
vmihalcut 0:fdfe93cb9255 4 * Name: RT_MAILBOX.C
vmihalcut 0:fdfe93cb9255 5 * Purpose: Implements waits and wake-ups for mailbox messages
vmihalcut 0:fdfe93cb9255 6 * Rev.: V4.60
vmihalcut 0:fdfe93cb9255 7 *----------------------------------------------------------------------------
vmihalcut 0:fdfe93cb9255 8 *
vmihalcut 0:fdfe93cb9255 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
vmihalcut 0:fdfe93cb9255 10 * All rights reserved.
vmihalcut 0:fdfe93cb9255 11 * Redistribution and use in source and binary forms, with or without
vmihalcut 0:fdfe93cb9255 12 * modification, are permitted provided that the following conditions are met:
vmihalcut 0:fdfe93cb9255 13 * - Redistributions of source code must retain the above copyright
vmihalcut 0:fdfe93cb9255 14 * notice, this list of conditions and the following disclaimer.
vmihalcut 0:fdfe93cb9255 15 * - Redistributions in binary form must reproduce the above copyright
vmihalcut 0:fdfe93cb9255 16 * notice, this list of conditions and the following disclaimer in the
vmihalcut 0:fdfe93cb9255 17 * documentation and/or other materials provided with the distribution.
vmihalcut 0:fdfe93cb9255 18 * - Neither the name of ARM nor the names of its contributors may be used
vmihalcut 0:fdfe93cb9255 19 * to endorse or promote products derived from this software without
vmihalcut 0:fdfe93cb9255 20 * specific prior written permission.
vmihalcut 0:fdfe93cb9255 21 *
vmihalcut 0:fdfe93cb9255 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
vmihalcut 0:fdfe93cb9255 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
vmihalcut 0:fdfe93cb9255 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
vmihalcut 0:fdfe93cb9255 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
vmihalcut 0:fdfe93cb9255 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
vmihalcut 0:fdfe93cb9255 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
vmihalcut 0:fdfe93cb9255 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
vmihalcut 0:fdfe93cb9255 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
vmihalcut 0:fdfe93cb9255 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
vmihalcut 0:fdfe93cb9255 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
vmihalcut 0:fdfe93cb9255 32 * POSSIBILITY OF SUCH DAMAGE.
vmihalcut 0:fdfe93cb9255 33 *---------------------------------------------------------------------------*/
vmihalcut 0:fdfe93cb9255 34
vmihalcut 0:fdfe93cb9255 35 #include "rt_TypeDef.h"
vmihalcut 0:fdfe93cb9255 36 #include "RTX_Conf.h"
vmihalcut 0:fdfe93cb9255 37 #include "rt_System.h"
vmihalcut 0:fdfe93cb9255 38 #include "rt_List.h"
vmihalcut 0:fdfe93cb9255 39 #include "rt_Mailbox.h"
vmihalcut 0:fdfe93cb9255 40 #include "rt_MemBox.h"
vmihalcut 0:fdfe93cb9255 41 #include "rt_Task.h"
vmihalcut 0:fdfe93cb9255 42 #include "rt_HAL_CM.h"
vmihalcut 0:fdfe93cb9255 43
vmihalcut 0:fdfe93cb9255 44
vmihalcut 0:fdfe93cb9255 45 /*----------------------------------------------------------------------------
vmihalcut 0:fdfe93cb9255 46 * Functions
vmihalcut 0:fdfe93cb9255 47 *---------------------------------------------------------------------------*/
vmihalcut 0:fdfe93cb9255 48
vmihalcut 0:fdfe93cb9255 49
vmihalcut 0:fdfe93cb9255 50 /*--------------------------- rt_mbx_init -----------------------------------*/
vmihalcut 0:fdfe93cb9255 51
vmihalcut 0:fdfe93cb9255 52 void rt_mbx_init (OS_ID mailbox, U16 mbx_size) {
vmihalcut 0:fdfe93cb9255 53 /* Initialize a mailbox */
vmihalcut 0:fdfe93cb9255 54 P_MCB p_MCB = mailbox;
vmihalcut 0:fdfe93cb9255 55
vmihalcut 0:fdfe93cb9255 56 p_MCB->cb_type = MCB;
vmihalcut 0:fdfe93cb9255 57 p_MCB->state = 0;
vmihalcut 0:fdfe93cb9255 58 p_MCB->isr_st = 0;
vmihalcut 0:fdfe93cb9255 59 p_MCB->p_lnk = NULL;
vmihalcut 0:fdfe93cb9255 60 p_MCB->first = 0;
vmihalcut 0:fdfe93cb9255 61 p_MCB->last = 0;
vmihalcut 0:fdfe93cb9255 62 p_MCB->count = 0;
vmihalcut 0:fdfe93cb9255 63 p_MCB->size = (mbx_size + sizeof(void *) - sizeof(struct OS_MCB)) /
vmihalcut 0:fdfe93cb9255 64 (U32)sizeof (void *);
vmihalcut 0:fdfe93cb9255 65 }
vmihalcut 0:fdfe93cb9255 66
vmihalcut 0:fdfe93cb9255 67
vmihalcut 0:fdfe93cb9255 68 /*--------------------------- rt_mbx_send -----------------------------------*/
vmihalcut 0:fdfe93cb9255 69
vmihalcut 0:fdfe93cb9255 70 OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout) {
vmihalcut 0:fdfe93cb9255 71 /* Send message to a mailbox */
vmihalcut 0:fdfe93cb9255 72 P_MCB p_MCB = mailbox;
vmihalcut 0:fdfe93cb9255 73 P_TCB p_TCB;
vmihalcut 0:fdfe93cb9255 74
vmihalcut 0:fdfe93cb9255 75 if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 1)) {
vmihalcut 0:fdfe93cb9255 76 /* A task is waiting for message */
vmihalcut 0:fdfe93cb9255 77 p_TCB = rt_get_first ((P_XCB)p_MCB);
vmihalcut 0:fdfe93cb9255 78 #ifdef __CMSIS_RTOS
vmihalcut 0:fdfe93cb9255 79 rt_ret_val2(p_TCB, 0x10/*osEventMessage*/, (U32)p_msg);
vmihalcut 0:fdfe93cb9255 80 #else
vmihalcut 0:fdfe93cb9255 81 *p_TCB->msg = p_msg;
vmihalcut 0:fdfe93cb9255 82 rt_ret_val (p_TCB, OS_R_MBX);
vmihalcut 0:fdfe93cb9255 83 #endif
vmihalcut 0:fdfe93cb9255 84 rt_rmv_dly (p_TCB);
vmihalcut 0:fdfe93cb9255 85 rt_dispatch (p_TCB);
vmihalcut 0:fdfe93cb9255 86 }
vmihalcut 0:fdfe93cb9255 87 else {
vmihalcut 0:fdfe93cb9255 88 /* Store message in mailbox queue */
vmihalcut 0:fdfe93cb9255 89 if (p_MCB->count == p_MCB->size) {
vmihalcut 0:fdfe93cb9255 90 /* No free message entry, wait for one. If message queue is full, */
vmihalcut 0:fdfe93cb9255 91 /* then no task is waiting for message. The 'p_MCB->p_lnk' list */
vmihalcut 0:fdfe93cb9255 92 /* pointer can now be reused for send message waits task list. */
vmihalcut 0:fdfe93cb9255 93 if (timeout == 0) {
vmihalcut 0:fdfe93cb9255 94 return (OS_R_TMO);
vmihalcut 0:fdfe93cb9255 95 }
vmihalcut 0:fdfe93cb9255 96 if (p_MCB->p_lnk != NULL) {
vmihalcut 0:fdfe93cb9255 97 rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
vmihalcut 0:fdfe93cb9255 98 }
vmihalcut 0:fdfe93cb9255 99 else {
vmihalcut 0:fdfe93cb9255 100 p_MCB->p_lnk = os_tsk.run;
vmihalcut 0:fdfe93cb9255 101 os_tsk.run->p_lnk = NULL;
vmihalcut 0:fdfe93cb9255 102 os_tsk.run->p_rlnk = (P_TCB)p_MCB;
vmihalcut 0:fdfe93cb9255 103 /* Task is waiting to send a message */
vmihalcut 0:fdfe93cb9255 104 p_MCB->state = 2;
vmihalcut 0:fdfe93cb9255 105 }
vmihalcut 0:fdfe93cb9255 106 os_tsk.run->msg = p_msg;
vmihalcut 0:fdfe93cb9255 107 rt_block (timeout, WAIT_MBX);
vmihalcut 0:fdfe93cb9255 108 return (OS_R_TMO);
vmihalcut 0:fdfe93cb9255 109 }
vmihalcut 0:fdfe93cb9255 110 /* Yes, there is a free entry in a mailbox. */
vmihalcut 0:fdfe93cb9255 111 p_MCB->msg[p_MCB->first] = p_msg;
vmihalcut 0:fdfe93cb9255 112 rt_inc (&p_MCB->count);
vmihalcut 0:fdfe93cb9255 113 if (++p_MCB->first == p_MCB->size) {
vmihalcut 0:fdfe93cb9255 114 p_MCB->first = 0;
vmihalcut 0:fdfe93cb9255 115 }
vmihalcut 0:fdfe93cb9255 116 }
vmihalcut 0:fdfe93cb9255 117 return (OS_R_OK);
vmihalcut 0:fdfe93cb9255 118 }
vmihalcut 0:fdfe93cb9255 119
vmihalcut 0:fdfe93cb9255 120
vmihalcut 0:fdfe93cb9255 121 /*--------------------------- rt_mbx_wait -----------------------------------*/
vmihalcut 0:fdfe93cb9255 122
vmihalcut 0:fdfe93cb9255 123 OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout) {
vmihalcut 0:fdfe93cb9255 124 /* Receive a message; possibly wait for it */
vmihalcut 0:fdfe93cb9255 125 P_MCB p_MCB = mailbox;
vmihalcut 0:fdfe93cb9255 126 P_TCB p_TCB;
vmihalcut 0:fdfe93cb9255 127
vmihalcut 0:fdfe93cb9255 128 /* If a message is available in the fifo buffer */
vmihalcut 0:fdfe93cb9255 129 /* remove it from the fifo buffer and return. */
vmihalcut 0:fdfe93cb9255 130 if (p_MCB->count) {
vmihalcut 0:fdfe93cb9255 131 *message = p_MCB->msg[p_MCB->last];
vmihalcut 0:fdfe93cb9255 132 if (++p_MCB->last == p_MCB->size) {
vmihalcut 0:fdfe93cb9255 133 p_MCB->last = 0;
vmihalcut 0:fdfe93cb9255 134 }
vmihalcut 0:fdfe93cb9255 135 if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 2)) {
vmihalcut 0:fdfe93cb9255 136 /* A task is waiting to send message */
vmihalcut 0:fdfe93cb9255 137 p_TCB = rt_get_first ((P_XCB)p_MCB);
vmihalcut 0:fdfe93cb9255 138 #ifdef __CMSIS_RTOS
vmihalcut 0:fdfe93cb9255 139 rt_ret_val(p_TCB, 0/*osOK*/);
vmihalcut 0:fdfe93cb9255 140 #else
vmihalcut 0:fdfe93cb9255 141 rt_ret_val(p_TCB, OS_R_OK);
vmihalcut 0:fdfe93cb9255 142 #endif
vmihalcut 0:fdfe93cb9255 143 p_MCB->msg[p_MCB->first] = p_TCB->msg;
vmihalcut 0:fdfe93cb9255 144 if (++p_MCB->first == p_MCB->size) {
vmihalcut 0:fdfe93cb9255 145 p_MCB->first = 0;
vmihalcut 0:fdfe93cb9255 146 }
vmihalcut 0:fdfe93cb9255 147 rt_rmv_dly (p_TCB);
vmihalcut 0:fdfe93cb9255 148 rt_dispatch (p_TCB);
vmihalcut 0:fdfe93cb9255 149 }
vmihalcut 0:fdfe93cb9255 150 else {
vmihalcut 0:fdfe93cb9255 151 rt_dec (&p_MCB->count);
vmihalcut 0:fdfe93cb9255 152 }
vmihalcut 0:fdfe93cb9255 153 return (OS_R_OK);
vmihalcut 0:fdfe93cb9255 154 }
vmihalcut 0:fdfe93cb9255 155 /* No message available: wait for one */
vmihalcut 0:fdfe93cb9255 156 if (timeout == 0) {
vmihalcut 0:fdfe93cb9255 157 return (OS_R_TMO);
vmihalcut 0:fdfe93cb9255 158 }
vmihalcut 0:fdfe93cb9255 159 if (p_MCB->p_lnk != NULL) {
vmihalcut 0:fdfe93cb9255 160 rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
vmihalcut 0:fdfe93cb9255 161 }
vmihalcut 0:fdfe93cb9255 162 else {
vmihalcut 0:fdfe93cb9255 163 p_MCB->p_lnk = os_tsk.run;
vmihalcut 0:fdfe93cb9255 164 os_tsk.run->p_lnk = NULL;
vmihalcut 0:fdfe93cb9255 165 os_tsk.run->p_rlnk = (P_TCB)p_MCB;
vmihalcut 0:fdfe93cb9255 166 /* Task is waiting to receive a message */
vmihalcut 0:fdfe93cb9255 167 p_MCB->state = 1;
vmihalcut 0:fdfe93cb9255 168 }
vmihalcut 0:fdfe93cb9255 169 rt_block(timeout, WAIT_MBX);
vmihalcut 0:fdfe93cb9255 170 #ifndef __CMSIS_RTOS
vmihalcut 0:fdfe93cb9255 171 os_tsk.run->msg = message;
vmihalcut 0:fdfe93cb9255 172 #endif
vmihalcut 0:fdfe93cb9255 173 return (OS_R_TMO);
vmihalcut 0:fdfe93cb9255 174 }
vmihalcut 0:fdfe93cb9255 175
vmihalcut 0:fdfe93cb9255 176
vmihalcut 0:fdfe93cb9255 177 /*--------------------------- rt_mbx_check ----------------------------------*/
vmihalcut 0:fdfe93cb9255 178
vmihalcut 0:fdfe93cb9255 179 OS_RESULT rt_mbx_check (OS_ID mailbox) {
vmihalcut 0:fdfe93cb9255 180 /* Check for free space in a mailbox. Returns the number of messages */
vmihalcut 0:fdfe93cb9255 181 /* that can be stored to a mailbox. It returns 0 when mailbox is full. */
vmihalcut 0:fdfe93cb9255 182 P_MCB p_MCB = mailbox;
vmihalcut 0:fdfe93cb9255 183
vmihalcut 0:fdfe93cb9255 184 return (p_MCB->size - p_MCB->count);
vmihalcut 0:fdfe93cb9255 185 }
vmihalcut 0:fdfe93cb9255 186
vmihalcut 0:fdfe93cb9255 187
vmihalcut 0:fdfe93cb9255 188 /*--------------------------- isr_mbx_send ----------------------------------*/
vmihalcut 0:fdfe93cb9255 189
vmihalcut 0:fdfe93cb9255 190 void isr_mbx_send (OS_ID mailbox, void *p_msg) {
vmihalcut 0:fdfe93cb9255 191 /* Same function as "os_mbx_send", but to be called by ISRs. */
vmihalcut 0:fdfe93cb9255 192 P_MCB p_MCB = mailbox;
vmihalcut 0:fdfe93cb9255 193
vmihalcut 0:fdfe93cb9255 194 rt_psq_enq (p_MCB, (U32)p_msg);
vmihalcut 0:fdfe93cb9255 195 rt_psh_req ();
vmihalcut 0:fdfe93cb9255 196 }
vmihalcut 0:fdfe93cb9255 197
vmihalcut 0:fdfe93cb9255 198
vmihalcut 0:fdfe93cb9255 199 /*--------------------------- isr_mbx_receive -------------------------------*/
vmihalcut 0:fdfe93cb9255 200
vmihalcut 0:fdfe93cb9255 201 OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message) {
vmihalcut 0:fdfe93cb9255 202 /* Receive a message in the interrupt function. The interrupt function */
vmihalcut 0:fdfe93cb9255 203 /* should not wait for a message since this would block the rtx os. */
vmihalcut 0:fdfe93cb9255 204 P_MCB p_MCB = mailbox;
vmihalcut 0:fdfe93cb9255 205
vmihalcut 0:fdfe93cb9255 206 if (p_MCB->count) {
vmihalcut 0:fdfe93cb9255 207 /* A message is available in the fifo buffer. */
vmihalcut 0:fdfe93cb9255 208 *message = p_MCB->msg[p_MCB->last];
vmihalcut 0:fdfe93cb9255 209 if (p_MCB->state == 2) {
vmihalcut 0:fdfe93cb9255 210 /* A task is locked waiting to send message */
vmihalcut 0:fdfe93cb9255 211 rt_psq_enq (p_MCB, 0);
vmihalcut 0:fdfe93cb9255 212 rt_psh_req ();
vmihalcut 0:fdfe93cb9255 213 }
vmihalcut 0:fdfe93cb9255 214 rt_dec (&p_MCB->count);
vmihalcut 0:fdfe93cb9255 215 if (++p_MCB->last == p_MCB->size) {
vmihalcut 0:fdfe93cb9255 216 p_MCB->last = 0;
vmihalcut 0:fdfe93cb9255 217 }
vmihalcut 0:fdfe93cb9255 218 return (OS_R_MBX);
vmihalcut 0:fdfe93cb9255 219 }
vmihalcut 0:fdfe93cb9255 220 return (OS_R_OK);
vmihalcut 0:fdfe93cb9255 221 }
vmihalcut 0:fdfe93cb9255 222
vmihalcut 0:fdfe93cb9255 223
vmihalcut 0:fdfe93cb9255 224 /*--------------------------- rt_mbx_psh ------------------------------------*/
vmihalcut 0:fdfe93cb9255 225
vmihalcut 0:fdfe93cb9255 226 void rt_mbx_psh (P_MCB p_CB, void *p_msg) {
vmihalcut 0:fdfe93cb9255 227 /* Store the message to the mailbox queue or pass it to task directly. */
vmihalcut 0:fdfe93cb9255 228 P_TCB p_TCB;
vmihalcut 0:fdfe93cb9255 229 void *mem;
vmihalcut 0:fdfe93cb9255 230
vmihalcut 0:fdfe93cb9255 231 if (p_CB->p_lnk != NULL) switch (p_CB->state) {
vmihalcut 0:fdfe93cb9255 232 #ifdef __CMSIS_RTOS
vmihalcut 0:fdfe93cb9255 233 case 3:
vmihalcut 0:fdfe93cb9255 234 /* Task is waiting to allocate memory, remove it from the waiting list */
vmihalcut 0:fdfe93cb9255 235 mem = rt_alloc_box(p_msg);
vmihalcut 0:fdfe93cb9255 236 if (mem == NULL) break;
vmihalcut 0:fdfe93cb9255 237 p_TCB = rt_get_first ((P_XCB)p_CB);
vmihalcut 0:fdfe93cb9255 238 rt_ret_val(p_TCB, (U32)mem);
vmihalcut 0:fdfe93cb9255 239 p_TCB->state = READY;
vmihalcut 0:fdfe93cb9255 240 rt_rmv_dly (p_TCB);
vmihalcut 0:fdfe93cb9255 241 rt_put_prio (&os_rdy, p_TCB);
vmihalcut 0:fdfe93cb9255 242 break;
vmihalcut 0:fdfe93cb9255 243 #endif
vmihalcut 0:fdfe93cb9255 244 case 2:
vmihalcut 0:fdfe93cb9255 245 /* Task is waiting to send a message, remove it from the waiting list */
vmihalcut 0:fdfe93cb9255 246 p_TCB = rt_get_first ((P_XCB)p_CB);
vmihalcut 0:fdfe93cb9255 247 #ifdef __CMSIS_RTOS
vmihalcut 0:fdfe93cb9255 248 rt_ret_val(p_TCB, 0/*osOK*/);
vmihalcut 0:fdfe93cb9255 249 #else
vmihalcut 0:fdfe93cb9255 250 rt_ret_val(p_TCB, OS_R_OK);
vmihalcut 0:fdfe93cb9255 251 #endif
vmihalcut 0:fdfe93cb9255 252 p_CB->msg[p_CB->first] = p_TCB->msg;
vmihalcut 0:fdfe93cb9255 253 rt_inc (&p_CB->count);
vmihalcut 0:fdfe93cb9255 254 if (++p_CB->first == p_CB->size) {
vmihalcut 0:fdfe93cb9255 255 p_CB->first = 0;
vmihalcut 0:fdfe93cb9255 256 }
vmihalcut 0:fdfe93cb9255 257 p_TCB->state = READY;
vmihalcut 0:fdfe93cb9255 258 rt_rmv_dly (p_TCB);
vmihalcut 0:fdfe93cb9255 259 rt_put_prio (&os_rdy, p_TCB);
vmihalcut 0:fdfe93cb9255 260 break;
vmihalcut 0:fdfe93cb9255 261 case 1:
vmihalcut 0:fdfe93cb9255 262 /* Task is waiting for a message, pass the message to the task directly */
vmihalcut 0:fdfe93cb9255 263 p_TCB = rt_get_first ((P_XCB)p_CB);
vmihalcut 0:fdfe93cb9255 264 #ifdef __CMSIS_RTOS
vmihalcut 0:fdfe93cb9255 265 rt_ret_val2(p_TCB, 0x10/*osEventMessage*/, (U32)p_msg);
vmihalcut 0:fdfe93cb9255 266 #else
vmihalcut 0:fdfe93cb9255 267 *p_TCB->msg = p_msg;
vmihalcut 0:fdfe93cb9255 268 rt_ret_val (p_TCB, OS_R_MBX);
vmihalcut 0:fdfe93cb9255 269 #endif
vmihalcut 0:fdfe93cb9255 270 p_TCB->state = READY;
vmihalcut 0:fdfe93cb9255 271 rt_rmv_dly (p_TCB);
vmihalcut 0:fdfe93cb9255 272 rt_put_prio (&os_rdy, p_TCB);
vmihalcut 0:fdfe93cb9255 273 break;
vmihalcut 0:fdfe93cb9255 274 } else {
vmihalcut 0:fdfe93cb9255 275 /* No task is waiting for a message, store it to the mailbox queue */
vmihalcut 0:fdfe93cb9255 276 if (p_CB->count < p_CB->size) {
vmihalcut 0:fdfe93cb9255 277 p_CB->msg[p_CB->first] = p_msg;
vmihalcut 0:fdfe93cb9255 278 rt_inc (&p_CB->count);
vmihalcut 0:fdfe93cb9255 279 if (++p_CB->first == p_CB->size) {
vmihalcut 0:fdfe93cb9255 280 p_CB->first = 0;
vmihalcut 0:fdfe93cb9255 281 }
vmihalcut 0:fdfe93cb9255 282 }
vmihalcut 0:fdfe93cb9255 283 else {
vmihalcut 0:fdfe93cb9255 284 os_error (OS_ERR_MBX_OVF);
vmihalcut 0:fdfe93cb9255 285 }
vmihalcut 0:fdfe93cb9255 286 }
vmihalcut 0:fdfe93cb9255 287 }
vmihalcut 0:fdfe93cb9255 288
vmihalcut 0:fdfe93cb9255 289 /*----------------------------------------------------------------------------
vmihalcut 0:fdfe93cb9255 290 * end of file
vmihalcut 0:fdfe93cb9255 291 *---------------------------------------------------------------------------*/
vmihalcut 0:fdfe93cb9255 292