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F7_Ethernet/lwip/api/tcpip.c@0:f9b6112278fe, 2016-06-18 (annotated)
- Committer:
- DieterGraef
- Date:
- Sat Jun 18 10:49:12 2016 +0000
- Revision:
- 0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
DieterGraef | 0:f9b6112278fe | 1 | /** |
DieterGraef | 0:f9b6112278fe | 2 | * @file |
DieterGraef | 0:f9b6112278fe | 3 | * Sequential API Main thread module |
DieterGraef | 0:f9b6112278fe | 4 | * |
DieterGraef | 0:f9b6112278fe | 5 | */ |
DieterGraef | 0:f9b6112278fe | 6 | |
DieterGraef | 0:f9b6112278fe | 7 | /* |
DieterGraef | 0:f9b6112278fe | 8 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
DieterGraef | 0:f9b6112278fe | 9 | * All rights reserved. |
DieterGraef | 0:f9b6112278fe | 10 | * |
DieterGraef | 0:f9b6112278fe | 11 | * Redistribution and use in source and binary forms, with or without modification, |
DieterGraef | 0:f9b6112278fe | 12 | * are permitted provided that the following conditions are met: |
DieterGraef | 0:f9b6112278fe | 13 | * |
DieterGraef | 0:f9b6112278fe | 14 | * 1. Redistributions of source code must retain the above copyright notice, |
DieterGraef | 0:f9b6112278fe | 15 | * this list of conditions and the following disclaimer. |
DieterGraef | 0:f9b6112278fe | 16 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
DieterGraef | 0:f9b6112278fe | 17 | * this list of conditions and the following disclaimer in the documentation |
DieterGraef | 0:f9b6112278fe | 18 | * and/or other materials provided with the distribution. |
DieterGraef | 0:f9b6112278fe | 19 | * 3. The name of the author may not be used to endorse or promote products |
DieterGraef | 0:f9b6112278fe | 20 | * derived from this software without specific prior written permission. |
DieterGraef | 0:f9b6112278fe | 21 | * |
DieterGraef | 0:f9b6112278fe | 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
DieterGraef | 0:f9b6112278fe | 23 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
DieterGraef | 0:f9b6112278fe | 24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
DieterGraef | 0:f9b6112278fe | 25 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
DieterGraef | 0:f9b6112278fe | 26 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
DieterGraef | 0:f9b6112278fe | 27 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
DieterGraef | 0:f9b6112278fe | 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
DieterGraef | 0:f9b6112278fe | 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
DieterGraef | 0:f9b6112278fe | 30 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
DieterGraef | 0:f9b6112278fe | 31 | * OF SUCH DAMAGE. |
DieterGraef | 0:f9b6112278fe | 32 | * |
DieterGraef | 0:f9b6112278fe | 33 | * This file is part of the lwIP TCP/IP stack. |
DieterGraef | 0:f9b6112278fe | 34 | * |
DieterGraef | 0:f9b6112278fe | 35 | * Author: Adam Dunkels <adam@sics.se> |
DieterGraef | 0:f9b6112278fe | 36 | * |
DieterGraef | 0:f9b6112278fe | 37 | */ |
DieterGraef | 0:f9b6112278fe | 38 | |
DieterGraef | 0:f9b6112278fe | 39 | #include "lwip/opt.h" |
DieterGraef | 0:f9b6112278fe | 40 | |
DieterGraef | 0:f9b6112278fe | 41 | #if !NO_SYS /* don't build if not configured for use in lwipopts.h */ |
DieterGraef | 0:f9b6112278fe | 42 | |
DieterGraef | 0:f9b6112278fe | 43 | #include "lwip/sys.h" |
DieterGraef | 0:f9b6112278fe | 44 | #include "lwip/memp.h" |
DieterGraef | 0:f9b6112278fe | 45 | #include "lwip/mem.h" |
DieterGraef | 0:f9b6112278fe | 46 | #include "lwip/pbuf.h" |
DieterGraef | 0:f9b6112278fe | 47 | #include "lwip/tcpip.h" |
DieterGraef | 0:f9b6112278fe | 48 | #include "lwip/init.h" |
DieterGraef | 0:f9b6112278fe | 49 | #include "netif/etharp.h" |
DieterGraef | 0:f9b6112278fe | 50 | #include "netif/ppp_oe.h" |
DieterGraef | 0:f9b6112278fe | 51 | |
DieterGraef | 0:f9b6112278fe | 52 | /* global variables */ |
DieterGraef | 0:f9b6112278fe | 53 | static tcpip_init_done_fn tcpip_init_done; |
DieterGraef | 0:f9b6112278fe | 54 | static void *tcpip_init_done_arg; |
DieterGraef | 0:f9b6112278fe | 55 | static sys_mbox_t mbox; |
DieterGraef | 0:f9b6112278fe | 56 | |
DieterGraef | 0:f9b6112278fe | 57 | #if LWIP_TCPIP_CORE_LOCKING |
DieterGraef | 0:f9b6112278fe | 58 | /** The global semaphore to lock the stack. */ |
DieterGraef | 0:f9b6112278fe | 59 | sys_mutex_t lock_tcpip_core; |
DieterGraef | 0:f9b6112278fe | 60 | #endif /* LWIP_TCPIP_CORE_LOCKING */ |
DieterGraef | 0:f9b6112278fe | 61 | |
DieterGraef | 0:f9b6112278fe | 62 | |
DieterGraef | 0:f9b6112278fe | 63 | /** |
DieterGraef | 0:f9b6112278fe | 64 | * The main lwIP thread. This thread has exclusive access to lwIP core functions |
DieterGraef | 0:f9b6112278fe | 65 | * (unless access to them is not locked). Other threads communicate with this |
DieterGraef | 0:f9b6112278fe | 66 | * thread using message boxes. |
DieterGraef | 0:f9b6112278fe | 67 | * |
DieterGraef | 0:f9b6112278fe | 68 | * It also starts all the timers to make sure they are running in the right |
DieterGraef | 0:f9b6112278fe | 69 | * thread context. |
DieterGraef | 0:f9b6112278fe | 70 | * |
DieterGraef | 0:f9b6112278fe | 71 | * @param arg unused argument |
DieterGraef | 0:f9b6112278fe | 72 | */ |
DieterGraef | 0:f9b6112278fe | 73 | static void |
DieterGraef | 0:f9b6112278fe | 74 | tcpip_thread(void *arg) |
DieterGraef | 0:f9b6112278fe | 75 | { |
DieterGraef | 0:f9b6112278fe | 76 | struct tcpip_msg *msg; |
DieterGraef | 0:f9b6112278fe | 77 | LWIP_UNUSED_ARG(arg); |
DieterGraef | 0:f9b6112278fe | 78 | |
DieterGraef | 0:f9b6112278fe | 79 | if (tcpip_init_done != NULL) { |
DieterGraef | 0:f9b6112278fe | 80 | tcpip_init_done(tcpip_init_done_arg); |
DieterGraef | 0:f9b6112278fe | 81 | } |
DieterGraef | 0:f9b6112278fe | 82 | |
DieterGraef | 0:f9b6112278fe | 83 | LOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 84 | while (1) { /* MAIN Loop */ |
DieterGraef | 0:f9b6112278fe | 85 | UNLOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 86 | LWIP_TCPIP_THREAD_ALIVE(); |
DieterGraef | 0:f9b6112278fe | 87 | /* wait for a message, timeouts are processed while waiting */ |
DieterGraef | 0:f9b6112278fe | 88 | sys_timeouts_mbox_fetch(&mbox, (void **)&msg); |
DieterGraef | 0:f9b6112278fe | 89 | LOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 90 | switch (msg->type) { |
DieterGraef | 0:f9b6112278fe | 91 | |
DieterGraef | 0:f9b6112278fe | 92 | #if LWIP_NETCONN |
DieterGraef | 0:f9b6112278fe | 93 | case TCPIP_MSG_API: |
DieterGraef | 0:f9b6112278fe | 94 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 95 | msg->msg.apimsg->function(&(msg->msg.apimsg->msg)); |
DieterGraef | 0:f9b6112278fe | 96 | break; |
DieterGraef | 0:f9b6112278fe | 97 | #endif /* LWIP_NETCONN */ |
DieterGraef | 0:f9b6112278fe | 98 | |
DieterGraef | 0:f9b6112278fe | 99 | #if !LWIP_TCPIP_CORE_LOCKING_INPUT |
DieterGraef | 0:f9b6112278fe | 100 | case TCPIP_MSG_INPKT: |
DieterGraef | 0:f9b6112278fe | 101 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: PACKET %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 102 | #if LWIP_ETHERNET |
DieterGraef | 0:f9b6112278fe | 103 | if (msg->msg.inp.netif->flags & (NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET)) { |
DieterGraef | 0:f9b6112278fe | 104 | ethernet_input(msg->msg.inp.p, msg->msg.inp.netif); |
DieterGraef | 0:f9b6112278fe | 105 | } else |
DieterGraef | 0:f9b6112278fe | 106 | #endif /* LWIP_ETHERNET */ |
DieterGraef | 0:f9b6112278fe | 107 | { |
DieterGraef | 0:f9b6112278fe | 108 | ip_input(msg->msg.inp.p, msg->msg.inp.netif); |
DieterGraef | 0:f9b6112278fe | 109 | } |
DieterGraef | 0:f9b6112278fe | 110 | memp_free(MEMP_TCPIP_MSG_INPKT, msg); |
DieterGraef | 0:f9b6112278fe | 111 | break; |
DieterGraef | 0:f9b6112278fe | 112 | #endif /* LWIP_TCPIP_CORE_LOCKING_INPUT */ |
DieterGraef | 0:f9b6112278fe | 113 | |
DieterGraef | 0:f9b6112278fe | 114 | #if LWIP_NETIF_API |
DieterGraef | 0:f9b6112278fe | 115 | case TCPIP_MSG_NETIFAPI: |
DieterGraef | 0:f9b6112278fe | 116 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: Netif API message %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 117 | msg->msg.netifapimsg->function(&(msg->msg.netifapimsg->msg)); |
DieterGraef | 0:f9b6112278fe | 118 | break; |
DieterGraef | 0:f9b6112278fe | 119 | #endif /* LWIP_NETIF_API */ |
DieterGraef | 0:f9b6112278fe | 120 | |
DieterGraef | 0:f9b6112278fe | 121 | #if LWIP_TCPIP_TIMEOUT |
DieterGraef | 0:f9b6112278fe | 122 | case TCPIP_MSG_TIMEOUT: |
DieterGraef | 0:f9b6112278fe | 123 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: TIMEOUT %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 124 | sys_timeout(msg->msg.tmo.msecs, msg->msg.tmo.h, msg->msg.tmo.arg); |
DieterGraef | 0:f9b6112278fe | 125 | memp_free(MEMP_TCPIP_MSG_API, msg); |
DieterGraef | 0:f9b6112278fe | 126 | break; |
DieterGraef | 0:f9b6112278fe | 127 | case TCPIP_MSG_UNTIMEOUT: |
DieterGraef | 0:f9b6112278fe | 128 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: UNTIMEOUT %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 129 | sys_untimeout(msg->msg.tmo.h, msg->msg.tmo.arg); |
DieterGraef | 0:f9b6112278fe | 130 | memp_free(MEMP_TCPIP_MSG_API, msg); |
DieterGraef | 0:f9b6112278fe | 131 | break; |
DieterGraef | 0:f9b6112278fe | 132 | #endif /* LWIP_TCPIP_TIMEOUT */ |
DieterGraef | 0:f9b6112278fe | 133 | |
DieterGraef | 0:f9b6112278fe | 134 | case TCPIP_MSG_CALLBACK: |
DieterGraef | 0:f9b6112278fe | 135 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 136 | msg->msg.cb.function(msg->msg.cb.ctx); |
DieterGraef | 0:f9b6112278fe | 137 | memp_free(MEMP_TCPIP_MSG_API, msg); |
DieterGraef | 0:f9b6112278fe | 138 | break; |
DieterGraef | 0:f9b6112278fe | 139 | |
DieterGraef | 0:f9b6112278fe | 140 | case TCPIP_MSG_CALLBACK_STATIC: |
DieterGraef | 0:f9b6112278fe | 141 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK_STATIC %p\n", (void *)msg)); |
DieterGraef | 0:f9b6112278fe | 142 | msg->msg.cb.function(msg->msg.cb.ctx); |
DieterGraef | 0:f9b6112278fe | 143 | break; |
DieterGraef | 0:f9b6112278fe | 144 | |
DieterGraef | 0:f9b6112278fe | 145 | default: |
DieterGraef | 0:f9b6112278fe | 146 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: invalid message: %d\n", msg->type)); |
DieterGraef | 0:f9b6112278fe | 147 | LWIP_ASSERT("tcpip_thread: invalid message", 0); |
DieterGraef | 0:f9b6112278fe | 148 | break; |
DieterGraef | 0:f9b6112278fe | 149 | } |
DieterGraef | 0:f9b6112278fe | 150 | } |
DieterGraef | 0:f9b6112278fe | 151 | } |
DieterGraef | 0:f9b6112278fe | 152 | |
DieterGraef | 0:f9b6112278fe | 153 | /** |
DieterGraef | 0:f9b6112278fe | 154 | * Pass a received packet to tcpip_thread for input processing |
DieterGraef | 0:f9b6112278fe | 155 | * |
DieterGraef | 0:f9b6112278fe | 156 | * @param p the received packet, p->payload pointing to the Ethernet header or |
DieterGraef | 0:f9b6112278fe | 157 | * to an IP header (if inp doesn't have NETIF_FLAG_ETHARP or |
DieterGraef | 0:f9b6112278fe | 158 | * NETIF_FLAG_ETHERNET flags) |
DieterGraef | 0:f9b6112278fe | 159 | * @param inp the network interface on which the packet was received |
DieterGraef | 0:f9b6112278fe | 160 | */ |
DieterGraef | 0:f9b6112278fe | 161 | err_t |
DieterGraef | 0:f9b6112278fe | 162 | tcpip_input(struct pbuf *p, struct netif *inp) |
DieterGraef | 0:f9b6112278fe | 163 | { |
DieterGraef | 0:f9b6112278fe | 164 | #if LWIP_TCPIP_CORE_LOCKING_INPUT |
DieterGraef | 0:f9b6112278fe | 165 | err_t ret; |
DieterGraef | 0:f9b6112278fe | 166 | LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_input: PACKET %p/%p\n", (void *)p, (void *)inp)); |
DieterGraef | 0:f9b6112278fe | 167 | LOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 168 | #if LWIP_ETHERNET |
DieterGraef | 0:f9b6112278fe | 169 | if (inp->flags & (NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET)) { |
DieterGraef | 0:f9b6112278fe | 170 | ret = ethernet_input(p, inp); |
DieterGraef | 0:f9b6112278fe | 171 | } else |
DieterGraef | 0:f9b6112278fe | 172 | #endif /* LWIP_ETHERNET */ |
DieterGraef | 0:f9b6112278fe | 173 | { |
DieterGraef | 0:f9b6112278fe | 174 | ret = ip_input(p, inp); |
DieterGraef | 0:f9b6112278fe | 175 | } |
DieterGraef | 0:f9b6112278fe | 176 | UNLOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 177 | return ret; |
DieterGraef | 0:f9b6112278fe | 178 | #else /* LWIP_TCPIP_CORE_LOCKING_INPUT */ |
DieterGraef | 0:f9b6112278fe | 179 | struct tcpip_msg *msg; |
DieterGraef | 0:f9b6112278fe | 180 | |
DieterGraef | 0:f9b6112278fe | 181 | if (!sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 182 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 183 | } |
DieterGraef | 0:f9b6112278fe | 184 | msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_INPKT); |
DieterGraef | 0:f9b6112278fe | 185 | if (msg == NULL) { |
DieterGraef | 0:f9b6112278fe | 186 | return ERR_MEM; |
DieterGraef | 0:f9b6112278fe | 187 | } |
DieterGraef | 0:f9b6112278fe | 188 | |
DieterGraef | 0:f9b6112278fe | 189 | msg->type = TCPIP_MSG_INPKT; |
DieterGraef | 0:f9b6112278fe | 190 | msg->msg.inp.p = p; |
DieterGraef | 0:f9b6112278fe | 191 | msg->msg.inp.netif = inp; |
DieterGraef | 0:f9b6112278fe | 192 | if (sys_mbox_trypost(&mbox, msg) != ERR_OK) { |
DieterGraef | 0:f9b6112278fe | 193 | memp_free(MEMP_TCPIP_MSG_INPKT, msg); |
DieterGraef | 0:f9b6112278fe | 194 | return ERR_MEM; |
DieterGraef | 0:f9b6112278fe | 195 | } |
DieterGraef | 0:f9b6112278fe | 196 | return ERR_OK; |
DieterGraef | 0:f9b6112278fe | 197 | #endif /* LWIP_TCPIP_CORE_LOCKING_INPUT */ |
DieterGraef | 0:f9b6112278fe | 198 | } |
DieterGraef | 0:f9b6112278fe | 199 | |
DieterGraef | 0:f9b6112278fe | 200 | /** |
DieterGraef | 0:f9b6112278fe | 201 | * Call a specific function in the thread context of |
DieterGraef | 0:f9b6112278fe | 202 | * tcpip_thread for easy access synchronization. |
DieterGraef | 0:f9b6112278fe | 203 | * A function called in that way may access lwIP core code |
DieterGraef | 0:f9b6112278fe | 204 | * without fearing concurrent access. |
DieterGraef | 0:f9b6112278fe | 205 | * |
DieterGraef | 0:f9b6112278fe | 206 | * @param f the function to call |
DieterGraef | 0:f9b6112278fe | 207 | * @param ctx parameter passed to f |
DieterGraef | 0:f9b6112278fe | 208 | * @param block 1 to block until the request is posted, 0 to non-blocking mode |
DieterGraef | 0:f9b6112278fe | 209 | * @return ERR_OK if the function was called, another err_t if not |
DieterGraef | 0:f9b6112278fe | 210 | */ |
DieterGraef | 0:f9b6112278fe | 211 | err_t |
DieterGraef | 0:f9b6112278fe | 212 | tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block) |
DieterGraef | 0:f9b6112278fe | 213 | { |
DieterGraef | 0:f9b6112278fe | 214 | struct tcpip_msg *msg; |
DieterGraef | 0:f9b6112278fe | 215 | |
DieterGraef | 0:f9b6112278fe | 216 | if (sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 217 | msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); |
DieterGraef | 0:f9b6112278fe | 218 | if (msg == NULL) { |
DieterGraef | 0:f9b6112278fe | 219 | return ERR_MEM; |
DieterGraef | 0:f9b6112278fe | 220 | } |
DieterGraef | 0:f9b6112278fe | 221 | |
DieterGraef | 0:f9b6112278fe | 222 | msg->type = TCPIP_MSG_CALLBACK; |
DieterGraef | 0:f9b6112278fe | 223 | msg->msg.cb.function = function; |
DieterGraef | 0:f9b6112278fe | 224 | msg->msg.cb.ctx = ctx; |
DieterGraef | 0:f9b6112278fe | 225 | if (block) { |
DieterGraef | 0:f9b6112278fe | 226 | sys_mbox_post(&mbox, msg); |
DieterGraef | 0:f9b6112278fe | 227 | } else { |
DieterGraef | 0:f9b6112278fe | 228 | if (sys_mbox_trypost(&mbox, msg) != ERR_OK) { |
DieterGraef | 0:f9b6112278fe | 229 | memp_free(MEMP_TCPIP_MSG_API, msg); |
DieterGraef | 0:f9b6112278fe | 230 | return ERR_MEM; |
DieterGraef | 0:f9b6112278fe | 231 | } |
DieterGraef | 0:f9b6112278fe | 232 | } |
DieterGraef | 0:f9b6112278fe | 233 | return ERR_OK; |
DieterGraef | 0:f9b6112278fe | 234 | } |
DieterGraef | 0:f9b6112278fe | 235 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 236 | } |
DieterGraef | 0:f9b6112278fe | 237 | |
DieterGraef | 0:f9b6112278fe | 238 | #if LWIP_TCPIP_TIMEOUT |
DieterGraef | 0:f9b6112278fe | 239 | /** |
DieterGraef | 0:f9b6112278fe | 240 | * call sys_timeout in tcpip_thread |
DieterGraef | 0:f9b6112278fe | 241 | * |
DieterGraef | 0:f9b6112278fe | 242 | * @param msec time in milliseconds for timeout |
DieterGraef | 0:f9b6112278fe | 243 | * @param h function to be called on timeout |
DieterGraef | 0:f9b6112278fe | 244 | * @param arg argument to pass to timeout function h |
DieterGraef | 0:f9b6112278fe | 245 | * @return ERR_MEM on memory error, ERR_OK otherwise |
DieterGraef | 0:f9b6112278fe | 246 | */ |
DieterGraef | 0:f9b6112278fe | 247 | err_t |
DieterGraef | 0:f9b6112278fe | 248 | tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg) |
DieterGraef | 0:f9b6112278fe | 249 | { |
DieterGraef | 0:f9b6112278fe | 250 | struct tcpip_msg *msg; |
DieterGraef | 0:f9b6112278fe | 251 | |
DieterGraef | 0:f9b6112278fe | 252 | if (sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 253 | msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); |
DieterGraef | 0:f9b6112278fe | 254 | if (msg == NULL) { |
DieterGraef | 0:f9b6112278fe | 255 | return ERR_MEM; |
DieterGraef | 0:f9b6112278fe | 256 | } |
DieterGraef | 0:f9b6112278fe | 257 | |
DieterGraef | 0:f9b6112278fe | 258 | msg->type = TCPIP_MSG_TIMEOUT; |
DieterGraef | 0:f9b6112278fe | 259 | msg->msg.tmo.msecs = msecs; |
DieterGraef | 0:f9b6112278fe | 260 | msg->msg.tmo.h = h; |
DieterGraef | 0:f9b6112278fe | 261 | msg->msg.tmo.arg = arg; |
DieterGraef | 0:f9b6112278fe | 262 | sys_mbox_post(&mbox, msg); |
DieterGraef | 0:f9b6112278fe | 263 | return ERR_OK; |
DieterGraef | 0:f9b6112278fe | 264 | } |
DieterGraef | 0:f9b6112278fe | 265 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 266 | } |
DieterGraef | 0:f9b6112278fe | 267 | |
DieterGraef | 0:f9b6112278fe | 268 | /** |
DieterGraef | 0:f9b6112278fe | 269 | * call sys_untimeout in tcpip_thread |
DieterGraef | 0:f9b6112278fe | 270 | * |
DieterGraef | 0:f9b6112278fe | 271 | * @param msec time in milliseconds for timeout |
DieterGraef | 0:f9b6112278fe | 272 | * @param h function to be called on timeout |
DieterGraef | 0:f9b6112278fe | 273 | * @param arg argument to pass to timeout function h |
DieterGraef | 0:f9b6112278fe | 274 | * @return ERR_MEM on memory error, ERR_OK otherwise |
DieterGraef | 0:f9b6112278fe | 275 | */ |
DieterGraef | 0:f9b6112278fe | 276 | err_t |
DieterGraef | 0:f9b6112278fe | 277 | tcpip_untimeout(sys_timeout_handler h, void *arg) |
DieterGraef | 0:f9b6112278fe | 278 | { |
DieterGraef | 0:f9b6112278fe | 279 | struct tcpip_msg *msg; |
DieterGraef | 0:f9b6112278fe | 280 | |
DieterGraef | 0:f9b6112278fe | 281 | if (sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 282 | msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); |
DieterGraef | 0:f9b6112278fe | 283 | if (msg == NULL) { |
DieterGraef | 0:f9b6112278fe | 284 | return ERR_MEM; |
DieterGraef | 0:f9b6112278fe | 285 | } |
DieterGraef | 0:f9b6112278fe | 286 | |
DieterGraef | 0:f9b6112278fe | 287 | msg->type = TCPIP_MSG_UNTIMEOUT; |
DieterGraef | 0:f9b6112278fe | 288 | msg->msg.tmo.h = h; |
DieterGraef | 0:f9b6112278fe | 289 | msg->msg.tmo.arg = arg; |
DieterGraef | 0:f9b6112278fe | 290 | sys_mbox_post(&mbox, msg); |
DieterGraef | 0:f9b6112278fe | 291 | return ERR_OK; |
DieterGraef | 0:f9b6112278fe | 292 | } |
DieterGraef | 0:f9b6112278fe | 293 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 294 | } |
DieterGraef | 0:f9b6112278fe | 295 | #endif /* LWIP_TCPIP_TIMEOUT */ |
DieterGraef | 0:f9b6112278fe | 296 | |
DieterGraef | 0:f9b6112278fe | 297 | #if LWIP_NETCONN |
DieterGraef | 0:f9b6112278fe | 298 | /** |
DieterGraef | 0:f9b6112278fe | 299 | * Call the lower part of a netconn_* function |
DieterGraef | 0:f9b6112278fe | 300 | * This function is then running in the thread context |
DieterGraef | 0:f9b6112278fe | 301 | * of tcpip_thread and has exclusive access to lwIP core code. |
DieterGraef | 0:f9b6112278fe | 302 | * |
DieterGraef | 0:f9b6112278fe | 303 | * @param apimsg a struct containing the function to call and its parameters |
DieterGraef | 0:f9b6112278fe | 304 | * @return ERR_OK if the function was called, another err_t if not |
DieterGraef | 0:f9b6112278fe | 305 | */ |
DieterGraef | 0:f9b6112278fe | 306 | err_t |
DieterGraef | 0:f9b6112278fe | 307 | tcpip_apimsg(struct api_msg *apimsg) |
DieterGraef | 0:f9b6112278fe | 308 | { |
DieterGraef | 0:f9b6112278fe | 309 | struct tcpip_msg msg; |
DieterGraef | 0:f9b6112278fe | 310 | #ifdef LWIP_DEBUG |
DieterGraef | 0:f9b6112278fe | 311 | /* catch functions that don't set err */ |
DieterGraef | 0:f9b6112278fe | 312 | apimsg->msg.err = ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 313 | #endif |
DieterGraef | 0:f9b6112278fe | 314 | |
DieterGraef | 0:f9b6112278fe | 315 | if (sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 316 | msg.type = TCPIP_MSG_API; |
DieterGraef | 0:f9b6112278fe | 317 | msg.msg.apimsg = apimsg; |
DieterGraef | 0:f9b6112278fe | 318 | sys_mbox_post(&mbox, &msg); |
DieterGraef | 0:f9b6112278fe | 319 | sys_arch_sem_wait(&apimsg->msg.conn->op_completed, 0); |
DieterGraef | 0:f9b6112278fe | 320 | return apimsg->msg.err; |
DieterGraef | 0:f9b6112278fe | 321 | } |
DieterGraef | 0:f9b6112278fe | 322 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 323 | } |
DieterGraef | 0:f9b6112278fe | 324 | |
DieterGraef | 0:f9b6112278fe | 325 | #if LWIP_TCPIP_CORE_LOCKING |
DieterGraef | 0:f9b6112278fe | 326 | /** |
DieterGraef | 0:f9b6112278fe | 327 | * Call the lower part of a netconn_* function |
DieterGraef | 0:f9b6112278fe | 328 | * This function has exclusive access to lwIP core code by locking it |
DieterGraef | 0:f9b6112278fe | 329 | * before the function is called. |
DieterGraef | 0:f9b6112278fe | 330 | * |
DieterGraef | 0:f9b6112278fe | 331 | * @param apimsg a struct containing the function to call and its parameters |
DieterGraef | 0:f9b6112278fe | 332 | * @return ERR_OK (only for compatibility fo tcpip_apimsg()) |
DieterGraef | 0:f9b6112278fe | 333 | */ |
DieterGraef | 0:f9b6112278fe | 334 | err_t |
DieterGraef | 0:f9b6112278fe | 335 | tcpip_apimsg_lock(struct api_msg *apimsg) |
DieterGraef | 0:f9b6112278fe | 336 | { |
DieterGraef | 0:f9b6112278fe | 337 | #ifdef LWIP_DEBUG |
DieterGraef | 0:f9b6112278fe | 338 | /* catch functions that don't set err */ |
DieterGraef | 0:f9b6112278fe | 339 | apimsg->msg.err = ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 340 | #endif |
DieterGraef | 0:f9b6112278fe | 341 | |
DieterGraef | 0:f9b6112278fe | 342 | LOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 343 | apimsg->function(&(apimsg->msg)); |
DieterGraef | 0:f9b6112278fe | 344 | UNLOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 345 | return apimsg->msg.err; |
DieterGraef | 0:f9b6112278fe | 346 | |
DieterGraef | 0:f9b6112278fe | 347 | } |
DieterGraef | 0:f9b6112278fe | 348 | #endif /* LWIP_TCPIP_CORE_LOCKING */ |
DieterGraef | 0:f9b6112278fe | 349 | #endif /* LWIP_NETCONN */ |
DieterGraef | 0:f9b6112278fe | 350 | |
DieterGraef | 0:f9b6112278fe | 351 | #if LWIP_NETIF_API |
DieterGraef | 0:f9b6112278fe | 352 | #if !LWIP_TCPIP_CORE_LOCKING |
DieterGraef | 0:f9b6112278fe | 353 | /** |
DieterGraef | 0:f9b6112278fe | 354 | * Much like tcpip_apimsg, but calls the lower part of a netifapi_* |
DieterGraef | 0:f9b6112278fe | 355 | * function. |
DieterGraef | 0:f9b6112278fe | 356 | * |
DieterGraef | 0:f9b6112278fe | 357 | * @param netifapimsg a struct containing the function to call and its parameters |
DieterGraef | 0:f9b6112278fe | 358 | * @return error code given back by the function that was called |
DieterGraef | 0:f9b6112278fe | 359 | */ |
DieterGraef | 0:f9b6112278fe | 360 | err_t |
DieterGraef | 0:f9b6112278fe | 361 | tcpip_netifapi(struct netifapi_msg* netifapimsg) |
DieterGraef | 0:f9b6112278fe | 362 | { |
DieterGraef | 0:f9b6112278fe | 363 | struct tcpip_msg msg; |
DieterGraef | 0:f9b6112278fe | 364 | |
DieterGraef | 0:f9b6112278fe | 365 | if (sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 366 | err_t err = sys_sem_new(&netifapimsg->msg.sem, 0); |
DieterGraef | 0:f9b6112278fe | 367 | if (err != ERR_OK) { |
DieterGraef | 0:f9b6112278fe | 368 | netifapimsg->msg.err = err; |
DieterGraef | 0:f9b6112278fe | 369 | return err; |
DieterGraef | 0:f9b6112278fe | 370 | } |
DieterGraef | 0:f9b6112278fe | 371 | |
DieterGraef | 0:f9b6112278fe | 372 | msg.type = TCPIP_MSG_NETIFAPI; |
DieterGraef | 0:f9b6112278fe | 373 | msg.msg.netifapimsg = netifapimsg; |
DieterGraef | 0:f9b6112278fe | 374 | sys_mbox_post(&mbox, &msg); |
DieterGraef | 0:f9b6112278fe | 375 | sys_sem_wait(&netifapimsg->msg.sem); |
DieterGraef | 0:f9b6112278fe | 376 | sys_sem_free(&netifapimsg->msg.sem); |
DieterGraef | 0:f9b6112278fe | 377 | return netifapimsg->msg.err; |
DieterGraef | 0:f9b6112278fe | 378 | } |
DieterGraef | 0:f9b6112278fe | 379 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 380 | } |
DieterGraef | 0:f9b6112278fe | 381 | #else /* !LWIP_TCPIP_CORE_LOCKING */ |
DieterGraef | 0:f9b6112278fe | 382 | /** |
DieterGraef | 0:f9b6112278fe | 383 | * Call the lower part of a netifapi_* function |
DieterGraef | 0:f9b6112278fe | 384 | * This function has exclusive access to lwIP core code by locking it |
DieterGraef | 0:f9b6112278fe | 385 | * before the function is called. |
DieterGraef | 0:f9b6112278fe | 386 | * |
DieterGraef | 0:f9b6112278fe | 387 | * @param netifapimsg a struct containing the function to call and its parameters |
DieterGraef | 0:f9b6112278fe | 388 | * @return ERR_OK (only for compatibility fo tcpip_netifapi()) |
DieterGraef | 0:f9b6112278fe | 389 | */ |
DieterGraef | 0:f9b6112278fe | 390 | err_t |
DieterGraef | 0:f9b6112278fe | 391 | tcpip_netifapi_lock(struct netifapi_msg* netifapimsg) |
DieterGraef | 0:f9b6112278fe | 392 | { |
DieterGraef | 0:f9b6112278fe | 393 | LOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 394 | netifapimsg->function(&(netifapimsg->msg)); |
DieterGraef | 0:f9b6112278fe | 395 | UNLOCK_TCPIP_CORE(); |
DieterGraef | 0:f9b6112278fe | 396 | return netifapimsg->msg.err; |
DieterGraef | 0:f9b6112278fe | 397 | } |
DieterGraef | 0:f9b6112278fe | 398 | #endif /* !LWIP_TCPIP_CORE_LOCKING */ |
DieterGraef | 0:f9b6112278fe | 399 | #endif /* LWIP_NETIF_API */ |
DieterGraef | 0:f9b6112278fe | 400 | |
DieterGraef | 0:f9b6112278fe | 401 | /** |
DieterGraef | 0:f9b6112278fe | 402 | * Allocate a structure for a static callback message and initialize it. |
DieterGraef | 0:f9b6112278fe | 403 | * This is intended to be used to send "static" messages from interrupt context. |
DieterGraef | 0:f9b6112278fe | 404 | * |
DieterGraef | 0:f9b6112278fe | 405 | * @param function the function to call |
DieterGraef | 0:f9b6112278fe | 406 | * @param ctx parameter passed to function |
DieterGraef | 0:f9b6112278fe | 407 | * @return a struct pointer to pass to tcpip_trycallback(). |
DieterGraef | 0:f9b6112278fe | 408 | */ |
DieterGraef | 0:f9b6112278fe | 409 | struct tcpip_callback_msg* tcpip_callbackmsg_new(tcpip_callback_fn function, void *ctx) |
DieterGraef | 0:f9b6112278fe | 410 | { |
DieterGraef | 0:f9b6112278fe | 411 | struct tcpip_msg *msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); |
DieterGraef | 0:f9b6112278fe | 412 | if (msg == NULL) { |
DieterGraef | 0:f9b6112278fe | 413 | return NULL; |
DieterGraef | 0:f9b6112278fe | 414 | } |
DieterGraef | 0:f9b6112278fe | 415 | msg->type = TCPIP_MSG_CALLBACK_STATIC; |
DieterGraef | 0:f9b6112278fe | 416 | msg->msg.cb.function = function; |
DieterGraef | 0:f9b6112278fe | 417 | msg->msg.cb.ctx = ctx; |
DieterGraef | 0:f9b6112278fe | 418 | return (struct tcpip_callback_msg*)msg; |
DieterGraef | 0:f9b6112278fe | 419 | } |
DieterGraef | 0:f9b6112278fe | 420 | |
DieterGraef | 0:f9b6112278fe | 421 | /** |
DieterGraef | 0:f9b6112278fe | 422 | * Free a callback message allocated by tcpip_callbackmsg_new(). |
DieterGraef | 0:f9b6112278fe | 423 | * |
DieterGraef | 0:f9b6112278fe | 424 | * @param msg the message to free |
DieterGraef | 0:f9b6112278fe | 425 | */ |
DieterGraef | 0:f9b6112278fe | 426 | void tcpip_callbackmsg_delete(struct tcpip_callback_msg* msg) |
DieterGraef | 0:f9b6112278fe | 427 | { |
DieterGraef | 0:f9b6112278fe | 428 | memp_free(MEMP_TCPIP_MSG_API, msg); |
DieterGraef | 0:f9b6112278fe | 429 | } |
DieterGraef | 0:f9b6112278fe | 430 | |
DieterGraef | 0:f9b6112278fe | 431 | /** |
DieterGraef | 0:f9b6112278fe | 432 | * Try to post a callback-message to the tcpip_thread mbox |
DieterGraef | 0:f9b6112278fe | 433 | * This is intended to be used to send "static" messages from interrupt context. |
DieterGraef | 0:f9b6112278fe | 434 | * |
DieterGraef | 0:f9b6112278fe | 435 | * @param msg pointer to the message to post |
DieterGraef | 0:f9b6112278fe | 436 | * @return sys_mbox_trypost() return code |
DieterGraef | 0:f9b6112278fe | 437 | */ |
DieterGraef | 0:f9b6112278fe | 438 | err_t |
DieterGraef | 0:f9b6112278fe | 439 | tcpip_trycallback(struct tcpip_callback_msg* msg) |
DieterGraef | 0:f9b6112278fe | 440 | { |
DieterGraef | 0:f9b6112278fe | 441 | if (!sys_mbox_valid(&mbox)) { |
DieterGraef | 0:f9b6112278fe | 442 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 443 | } |
DieterGraef | 0:f9b6112278fe | 444 | return sys_mbox_trypost(&mbox, msg); |
DieterGraef | 0:f9b6112278fe | 445 | } |
DieterGraef | 0:f9b6112278fe | 446 | |
DieterGraef | 0:f9b6112278fe | 447 | /** |
DieterGraef | 0:f9b6112278fe | 448 | * Initialize this module: |
DieterGraef | 0:f9b6112278fe | 449 | * - initialize all sub modules |
DieterGraef | 0:f9b6112278fe | 450 | * - start the tcpip_thread |
DieterGraef | 0:f9b6112278fe | 451 | * |
DieterGraef | 0:f9b6112278fe | 452 | * @param initfunc a function to call when tcpip_thread is running and finished initializing |
DieterGraef | 0:f9b6112278fe | 453 | * @param arg argument to pass to initfunc |
DieterGraef | 0:f9b6112278fe | 454 | */ |
DieterGraef | 0:f9b6112278fe | 455 | void |
DieterGraef | 0:f9b6112278fe | 456 | tcpip_init(tcpip_init_done_fn initfunc, void *arg) |
DieterGraef | 0:f9b6112278fe | 457 | { |
DieterGraef | 0:f9b6112278fe | 458 | lwip_init(); |
DieterGraef | 0:f9b6112278fe | 459 | |
DieterGraef | 0:f9b6112278fe | 460 | tcpip_init_done = initfunc; |
DieterGraef | 0:f9b6112278fe | 461 | tcpip_init_done_arg = arg; |
DieterGraef | 0:f9b6112278fe | 462 | if(sys_mbox_new(&mbox, TCPIP_MBOX_SIZE) != ERR_OK) { |
DieterGraef | 0:f9b6112278fe | 463 | LWIP_ASSERT("failed to create tcpip_thread mbox", 0); |
DieterGraef | 0:f9b6112278fe | 464 | } |
DieterGraef | 0:f9b6112278fe | 465 | #if LWIP_TCPIP_CORE_LOCKING |
DieterGraef | 0:f9b6112278fe | 466 | if(sys_mutex_new(&lock_tcpip_core) != ERR_OK) { |
DieterGraef | 0:f9b6112278fe | 467 | LWIP_ASSERT("failed to create lock_tcpip_core", 0); |
DieterGraef | 0:f9b6112278fe | 468 | } |
DieterGraef | 0:f9b6112278fe | 469 | #endif /* LWIP_TCPIP_CORE_LOCKING */ |
DieterGraef | 0:f9b6112278fe | 470 | |
DieterGraef | 0:f9b6112278fe | 471 | sys_thread_new(TCPIP_THREAD_NAME, tcpip_thread, NULL, TCPIP_THREAD_STACKSIZE, TCPIP_THREAD_PRIO); |
DieterGraef | 0:f9b6112278fe | 472 | } |
DieterGraef | 0:f9b6112278fe | 473 | |
DieterGraef | 0:f9b6112278fe | 474 | /** |
DieterGraef | 0:f9b6112278fe | 475 | * Simple callback function used with tcpip_callback to free a pbuf |
DieterGraef | 0:f9b6112278fe | 476 | * (pbuf_free has a wrong signature for tcpip_callback) |
DieterGraef | 0:f9b6112278fe | 477 | * |
DieterGraef | 0:f9b6112278fe | 478 | * @param p The pbuf (chain) to be dereferenced. |
DieterGraef | 0:f9b6112278fe | 479 | */ |
DieterGraef | 0:f9b6112278fe | 480 | static void |
DieterGraef | 0:f9b6112278fe | 481 | pbuf_free_int(void *p) |
DieterGraef | 0:f9b6112278fe | 482 | { |
DieterGraef | 0:f9b6112278fe | 483 | struct pbuf *q = (struct pbuf *)p; |
DieterGraef | 0:f9b6112278fe | 484 | pbuf_free(q); |
DieterGraef | 0:f9b6112278fe | 485 | } |
DieterGraef | 0:f9b6112278fe | 486 | |
DieterGraef | 0:f9b6112278fe | 487 | /** |
DieterGraef | 0:f9b6112278fe | 488 | * A simple wrapper function that allows you to free a pbuf from interrupt context. |
DieterGraef | 0:f9b6112278fe | 489 | * |
DieterGraef | 0:f9b6112278fe | 490 | * @param p The pbuf (chain) to be dereferenced. |
DieterGraef | 0:f9b6112278fe | 491 | * @return ERR_OK if callback could be enqueued, an err_t if not |
DieterGraef | 0:f9b6112278fe | 492 | */ |
DieterGraef | 0:f9b6112278fe | 493 | err_t |
DieterGraef | 0:f9b6112278fe | 494 | pbuf_free_callback(struct pbuf *p) |
DieterGraef | 0:f9b6112278fe | 495 | { |
DieterGraef | 0:f9b6112278fe | 496 | return tcpip_callback_with_block(pbuf_free_int, p, 0); |
DieterGraef | 0:f9b6112278fe | 497 | } |
DieterGraef | 0:f9b6112278fe | 498 | |
DieterGraef | 0:f9b6112278fe | 499 | /** |
DieterGraef | 0:f9b6112278fe | 500 | * A simple wrapper function that allows you to free heap memory from |
DieterGraef | 0:f9b6112278fe | 501 | * interrupt context. |
DieterGraef | 0:f9b6112278fe | 502 | * |
DieterGraef | 0:f9b6112278fe | 503 | * @param m the heap memory to free |
DieterGraef | 0:f9b6112278fe | 504 | * @return ERR_OK if callback could be enqueued, an err_t if not |
DieterGraef | 0:f9b6112278fe | 505 | */ |
DieterGraef | 0:f9b6112278fe | 506 | err_t |
DieterGraef | 0:f9b6112278fe | 507 | mem_free_callback(void *m) |
DieterGraef | 0:f9b6112278fe | 508 | { |
DieterGraef | 0:f9b6112278fe | 509 | return tcpip_callback_with_block(mem_free, m, 0); |
DieterGraef | 0:f9b6112278fe | 510 | } |
DieterGraef | 0:f9b6112278fe | 511 | |
DieterGraef | 0:f9b6112278fe | 512 | //[MS_CHANGE] |
DieterGraef | 0:f9b6112278fe | 513 | |
DieterGraef | 0:f9b6112278fe | 514 | err_t tcpip_shutdown() |
DieterGraef | 0:f9b6112278fe | 515 | { |
DieterGraef | 0:f9b6112278fe | 516 | struct tcpip_msg msg; |
DieterGraef | 0:f9b6112278fe | 517 | sys_sem_t sem; |
DieterGraef | 0:f9b6112278fe | 518 | msg.sem = &sem; |
DieterGraef | 0:f9b6112278fe | 519 | if (sys_mbox_valid(&mbox)) |
DieterGraef | 0:f9b6112278fe | 520 | { |
DieterGraef | 0:f9b6112278fe | 521 | err_t err = sys_sem_new(msg.sem, 0); |
DieterGraef | 0:f9b6112278fe | 522 | if (err != ERR_OK) |
DieterGraef | 0:f9b6112278fe | 523 | return err; |
DieterGraef | 0:f9b6112278fe | 524 | |
DieterGraef | 0:f9b6112278fe | 525 | msg.type = TCPIP_MSG_SHUTDOWN; |
DieterGraef | 0:f9b6112278fe | 526 | sys_mbox_post(&mbox, &msg); |
DieterGraef | 0:f9b6112278fe | 527 | sys_sem_wait(msg.sem); |
DieterGraef | 0:f9b6112278fe | 528 | sys_sem_free(msg.sem); |
DieterGraef | 0:f9b6112278fe | 529 | return ERR_OK; |
DieterGraef | 0:f9b6112278fe | 530 | } |
DieterGraef | 0:f9b6112278fe | 531 | return ERR_VAL; |
DieterGraef | 0:f9b6112278fe | 532 | } |
DieterGraef | 0:f9b6112278fe | 533 | //[END_MS_CHANGE] |
DieterGraef | 0:f9b6112278fe | 534 | |
DieterGraef | 0:f9b6112278fe | 535 | #endif /* !NO_SYS */ |