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NetStack/lwip/netif/ethernetif.c@1:c7958aa34fa1, 2012-02-25 (annotated)

Committer:
AdamGreen
Date:
Sat Feb 25 03:28:05 2012 +0000
Revision:
1:c7958aa34fa1
Parent:
0:616601bde9fb 
Use published libraries where possible.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AdamGreen 0:616601bde9fb 1 /**
AdamGreen 0:616601bde9fb 2 * @file
AdamGreen 0:616601bde9fb 3 * Ethernet Interface Skeleton
AdamGreen 0:616601bde9fb 4 *
AdamGreen 0:616601bde9fb 5 */
AdamGreen 0:616601bde9fb 6
AdamGreen 0:616601bde9fb 7 /*
AdamGreen 0:616601bde9fb 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
AdamGreen 0:616601bde9fb 9 * All rights reserved.
AdamGreen 0:616601bde9fb 10 *
AdamGreen 0:616601bde9fb 11 * Redistribution and use in source and binary forms, with or without modification,
AdamGreen 0:616601bde9fb 12 * are permitted provided that the following conditions are met:
AdamGreen 0:616601bde9fb 13 *
AdamGreen 0:616601bde9fb 14 * 1. Redistributions of source code must retain the above copyright notice,
AdamGreen 0:616601bde9fb 15 * this list of conditions and the following disclaimer.
AdamGreen 0:616601bde9fb 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
AdamGreen 0:616601bde9fb 17 * this list of conditions and the following disclaimer in the documentation
AdamGreen 0:616601bde9fb 18 * and/or other materials provided with the distribution.
AdamGreen 0:616601bde9fb 19 * 3. The name of the author may not be used to endorse or promote products
AdamGreen 0:616601bde9fb 20 * derived from this software without specific prior written permission.
AdamGreen 0:616601bde9fb 21 *
AdamGreen 0:616601bde9fb 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
AdamGreen 0:616601bde9fb 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
AdamGreen 0:616601bde9fb 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
AdamGreen 0:616601bde9fb 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
AdamGreen 0:616601bde9fb 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
AdamGreen 0:616601bde9fb 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
AdamGreen 0:616601bde9fb 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
AdamGreen 0:616601bde9fb 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
AdamGreen 0:616601bde9fb 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
AdamGreen 0:616601bde9fb 31 * OF SUCH DAMAGE.
AdamGreen 0:616601bde9fb 32 *
AdamGreen 0:616601bde9fb 33 * This file is part of the lwIP TCP/IP stack.
AdamGreen 0:616601bde9fb 34 *
AdamGreen 0:616601bde9fb 35 * Author: Adam Dunkels <adam@sics.se>
AdamGreen 0:616601bde9fb 36 *
AdamGreen 0:616601bde9fb 37 */
AdamGreen 0:616601bde9fb 38
AdamGreen 0:616601bde9fb 39 /*
AdamGreen 0:616601bde9fb 40 * This file is a skeleton for developing Ethernet network interface
AdamGreen 0:616601bde9fb 41 * drivers for lwIP. Add code to the low_level functions and do a
AdamGreen 0:616601bde9fb 42 * search-and-replace for the word "ethernetif" to replace it with
AdamGreen 0:616601bde9fb 43 * something that better describes your network interface.
AdamGreen 0:616601bde9fb 44 */
AdamGreen 0:616601bde9fb 45
AdamGreen 0:616601bde9fb 46 #include "lwip/opt.h"
AdamGreen 0:616601bde9fb 47
AdamGreen 0:616601bde9fb 48 #if 0 /* don't build, this is only a skeleton, see previous comment */
AdamGreen 0:616601bde9fb 49
AdamGreen 0:616601bde9fb 50 #include "lwip/def.h"
AdamGreen 0:616601bde9fb 51 #include "lwip/mem.h"
AdamGreen 0:616601bde9fb 52 #include "lwip/pbuf.h"
AdamGreen 0:616601bde9fb 53 #include "lwip/sys.h"
AdamGreen 0:616601bde9fb 54 #include <lwip/stats.h>
AdamGreen 0:616601bde9fb 55 #include <lwip/snmp.h>
AdamGreen 0:616601bde9fb 56 #include "netif/etharp.h"
AdamGreen 0:616601bde9fb 57 #include "netif/ppp_oe.h"
AdamGreen 0:616601bde9fb 58
AdamGreen 0:616601bde9fb 59 /* Define those to better describe your network interface. */
AdamGreen 0:616601bde9fb 60 #define IFNAME0 'e'
AdamGreen 0:616601bde9fb 61 #define IFNAME1 'n'
AdamGreen 0:616601bde9fb 62
AdamGreen 0:616601bde9fb 63 /**
AdamGreen 0:616601bde9fb 64 * Helper struct to hold private data used to operate your ethernet interface.
AdamGreen 0:616601bde9fb 65 * Keeping the ethernet address of the MAC in this struct is not necessary
AdamGreen 0:616601bde9fb 66 * as it is already kept in the struct netif.
AdamGreen 0:616601bde9fb 67 * But this is only an example, anyway...
AdamGreen 0:616601bde9fb 68 */
AdamGreen 0:616601bde9fb 69 struct ethernetif {
AdamGreen 0:616601bde9fb 70 struct eth_addr *ethaddr;
AdamGreen 0:616601bde9fb 71 /* Add whatever per-interface state that is needed here. */
AdamGreen 0:616601bde9fb 72 };
AdamGreen 0:616601bde9fb 73
AdamGreen 0:616601bde9fb 74 /* Forward declarations. */
AdamGreen 0:616601bde9fb 75 static void ethernetif_input(struct netif *netif);
AdamGreen 0:616601bde9fb 76
AdamGreen 0:616601bde9fb 77 /**
AdamGreen 0:616601bde9fb 78 * In this function, the hardware should be initialized.
AdamGreen 0:616601bde9fb 79 * Called from ethernetif_init().
AdamGreen 0:616601bde9fb 80 *
AdamGreen 0:616601bde9fb 81 * @param netif the already initialized lwip network interface structure
AdamGreen 0:616601bde9fb 82 * for this ethernetif
AdamGreen 0:616601bde9fb 83 */
AdamGreen 0:616601bde9fb 84 static void
AdamGreen 0:616601bde9fb 85 low_level_init(struct netif *netif)
AdamGreen 0:616601bde9fb 86 {
AdamGreen 0:616601bde9fb 87 struct ethernetif *ethernetif = netif->state;
AdamGreen 0:616601bde9fb 88
AdamGreen 0:616601bde9fb 89 /* set MAC hardware address length */
AdamGreen 0:616601bde9fb 90 netif->hwaddr_len = ETHARP_HWADDR_LEN;
AdamGreen 0:616601bde9fb 91
AdamGreen 0:616601bde9fb 92 /* set MAC hardware address */
AdamGreen 0:616601bde9fb 93 netif->hwaddr[0] = ;
AdamGreen 0:616601bde9fb 94 ...
AdamGreen 0:616601bde9fb 95 netif->hwaddr[5] = ;
AdamGreen 0:616601bde9fb 96
AdamGreen 0:616601bde9fb 97 /* maximum transfer unit */
AdamGreen 0:616601bde9fb 98 netif->mtu = 1500;
AdamGreen 0:616601bde9fb 99
AdamGreen 0:616601bde9fb 100 /* device capabilities */
AdamGreen 0:616601bde9fb 101 /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
AdamGreen 0:616601bde9fb 102 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
AdamGreen 0:616601bde9fb 103
AdamGreen 0:616601bde9fb 104 /* Do whatever else is needed to initialize interface. */
AdamGreen 0:616601bde9fb 105 }
AdamGreen 0:616601bde9fb 106
AdamGreen 0:616601bde9fb 107 /**
AdamGreen 0:616601bde9fb 108 * This function should do the actual transmission of the packet. The packet is
AdamGreen 0:616601bde9fb 109 * contained in the pbuf that is passed to the function. This pbuf
AdamGreen 0:616601bde9fb 110 * might be chained.
AdamGreen 0:616601bde9fb 111 *
AdamGreen 0:616601bde9fb 112 * @param netif the lwip network interface structure for this ethernetif
AdamGreen 0:616601bde9fb 113 * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
AdamGreen 0:616601bde9fb 114 * @return ERR_OK if the packet could be sent
AdamGreen 0:616601bde9fb 115 * an err_t value if the packet couldn't be sent
AdamGreen 0:616601bde9fb 116 *
AdamGreen 0:616601bde9fb 117 * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
AdamGreen 0:616601bde9fb 118 * strange results. You might consider waiting for space in the DMA queue
AdamGreen 0:616601bde9fb 119 * to become availale since the stack doesn't retry to send a packet
AdamGreen 0:616601bde9fb 120 * dropped because of memory failure (except for the TCP timers).
AdamGreen 0:616601bde9fb 121 */
AdamGreen 0:616601bde9fb 122
AdamGreen 0:616601bde9fb 123 static err_t
AdamGreen 0:616601bde9fb 124 low_level_output(struct netif *netif, struct pbuf *p)
AdamGreen 0:616601bde9fb 125 {
AdamGreen 0:616601bde9fb 126 struct ethernetif *ethernetif = netif->state;
AdamGreen 0:616601bde9fb 127 struct pbuf *q;
AdamGreen 0:616601bde9fb 128
AdamGreen 0:616601bde9fb 129 initiate transfer();
AdamGreen 0:616601bde9fb 130
AdamGreen 0:616601bde9fb 131 #if ETH_PAD_SIZE
AdamGreen 0:616601bde9fb 132 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
AdamGreen 0:616601bde9fb 133 #endif
AdamGreen 0:616601bde9fb 134
AdamGreen 0:616601bde9fb 135 for(q = p; q != NULL; q = q->next) {
AdamGreen 0:616601bde9fb 136 /* Send the data from the pbuf to the interface, one pbuf at a
AdamGreen 0:616601bde9fb 137 time. The size of the data in each pbuf is kept in the ->len
AdamGreen 0:616601bde9fb 138 variable. */
AdamGreen 0:616601bde9fb 139 send data from(q->payload, q->len);
AdamGreen 0:616601bde9fb 140 }
AdamGreen 0:616601bde9fb 141
AdamGreen 0:616601bde9fb 142 signal that packet should be sent();
AdamGreen 0:616601bde9fb 143
AdamGreen 0:616601bde9fb 144 #if ETH_PAD_SIZE
AdamGreen 0:616601bde9fb 145 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
AdamGreen 0:616601bde9fb 146 #endif
AdamGreen 0:616601bde9fb 147
AdamGreen 0:616601bde9fb 148 LINK_STATS_INC(link.xmit);
AdamGreen 0:616601bde9fb 149
AdamGreen 0:616601bde9fb 150 return ERR_OK;
AdamGreen 0:616601bde9fb 151 }
AdamGreen 0:616601bde9fb 152
AdamGreen 0:616601bde9fb 153 /**
AdamGreen 0:616601bde9fb 154 * Should allocate a pbuf and transfer the bytes of the incoming
AdamGreen 0:616601bde9fb 155 * packet from the interface into the pbuf.
AdamGreen 0:616601bde9fb 156 *
AdamGreen 0:616601bde9fb 157 * @param netif the lwip network interface structure for this ethernetif
AdamGreen 0:616601bde9fb 158 * @return a pbuf filled with the received packet (including MAC header)
AdamGreen 0:616601bde9fb 159 * NULL on memory error
AdamGreen 0:616601bde9fb 160 */
AdamGreen 0:616601bde9fb 161 static struct pbuf *
AdamGreen 0:616601bde9fb 162 low_level_input(struct netif *netif)
AdamGreen 0:616601bde9fb 163 {
AdamGreen 0:616601bde9fb 164 struct ethernetif *ethernetif = netif->state;
AdamGreen 0:616601bde9fb 165 struct pbuf *p, *q;
AdamGreen 0:616601bde9fb 166 u16_t len;
AdamGreen 0:616601bde9fb 167
AdamGreen 0:616601bde9fb 168 /* Obtain the size of the packet and put it into the "len"
AdamGreen 0:616601bde9fb 169 variable. */
AdamGreen 0:616601bde9fb 170 len = ;
AdamGreen 0:616601bde9fb 171
AdamGreen 0:616601bde9fb 172 #if ETH_PAD_SIZE
AdamGreen 0:616601bde9fb 173 len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
AdamGreen 0:616601bde9fb 174 #endif
AdamGreen 0:616601bde9fb 175
AdamGreen 0:616601bde9fb 176 /* We allocate a pbuf chain of pbufs from the pool. */
AdamGreen 0:616601bde9fb 177 p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
AdamGreen 0:616601bde9fb 178
AdamGreen 0:616601bde9fb 179 if (p != NULL) {
AdamGreen 0:616601bde9fb 180
AdamGreen 0:616601bde9fb 181 #if ETH_PAD_SIZE
AdamGreen 0:616601bde9fb 182 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
AdamGreen 0:616601bde9fb 183 #endif
AdamGreen 0:616601bde9fb 184
AdamGreen 0:616601bde9fb 185 /* We iterate over the pbuf chain until we have read the entire
AdamGreen 0:616601bde9fb 186 * packet into the pbuf. */
AdamGreen 0:616601bde9fb 187 for(q = p; q != NULL; q = q->next) {
AdamGreen 0:616601bde9fb 188 /* Read enough bytes to fill this pbuf in the chain. The
AdamGreen 0:616601bde9fb 189 * available data in the pbuf is given by the q->len
AdamGreen 0:616601bde9fb 190 * variable.
AdamGreen 0:616601bde9fb 191 * This does not necessarily have to be a memcpy, you can also preallocate
AdamGreen 0:616601bde9fb 192 * pbufs for a DMA-enabled MAC and after receiving truncate it to the
AdamGreen 0:616601bde9fb 193 * actually received size. In this case, ensure the tot_len member of the
AdamGreen 0:616601bde9fb 194 * pbuf is the sum of the chained pbuf len members.
AdamGreen 0:616601bde9fb 195 */
AdamGreen 0:616601bde9fb 196 read data into(q->payload, q->len);
AdamGreen 0:616601bde9fb 197 }
AdamGreen 0:616601bde9fb 198 acknowledge that packet has been read();
AdamGreen 0:616601bde9fb 199
AdamGreen 0:616601bde9fb 200 #if ETH_PAD_SIZE
AdamGreen 0:616601bde9fb 201 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
AdamGreen 0:616601bde9fb 202 #endif
AdamGreen 0:616601bde9fb 203
AdamGreen 0:616601bde9fb 204 LINK_STATS_INC(link.recv);
AdamGreen 0:616601bde9fb 205 } else {
AdamGreen 0:616601bde9fb 206 drop packet();
AdamGreen 0:616601bde9fb 207 LINK_STATS_INC(link.memerr);
AdamGreen 0:616601bde9fb 208 LINK_STATS_INC(link.drop);
AdamGreen 0:616601bde9fb 209 }
AdamGreen 0:616601bde9fb 210
AdamGreen 0:616601bde9fb 211 return p;
AdamGreen 0:616601bde9fb 212 }
AdamGreen 0:616601bde9fb 213
AdamGreen 0:616601bde9fb 214 /**
AdamGreen 0:616601bde9fb 215 * This function should be called when a packet is ready to be read
AdamGreen 0:616601bde9fb 216 * from the interface. It uses the function low_level_input() that
AdamGreen 0:616601bde9fb 217 * should handle the actual reception of bytes from the network
AdamGreen 0:616601bde9fb 218 * interface. Then the type of the received packet is determined and
AdamGreen 0:616601bde9fb 219 * the appropriate input function is called.
AdamGreen 0:616601bde9fb 220 *
AdamGreen 0:616601bde9fb 221 * @param netif the lwip network interface structure for this ethernetif
AdamGreen 0:616601bde9fb 222 */
AdamGreen 0:616601bde9fb 223 static void
AdamGreen 0:616601bde9fb 224 ethernetif_input(struct netif *netif)
AdamGreen 0:616601bde9fb 225 {
AdamGreen 0:616601bde9fb 226 struct ethernetif *ethernetif;
AdamGreen 0:616601bde9fb 227 struct eth_hdr *ethhdr;
AdamGreen 0:616601bde9fb 228 struct pbuf *p;
AdamGreen 0:616601bde9fb 229
AdamGreen 0:616601bde9fb 230 ethernetif = netif->state;
AdamGreen 0:616601bde9fb 231
AdamGreen 0:616601bde9fb 232 /* move received packet into a new pbuf */
AdamGreen 0:616601bde9fb 233 p = low_level_input(netif);
AdamGreen 0:616601bde9fb 234 /* no packet could be read, silently ignore this */
AdamGreen 0:616601bde9fb 235 if (p == NULL) return;
AdamGreen 0:616601bde9fb 236 /* points to packet payload, which starts with an Ethernet header */
AdamGreen 0:616601bde9fb 237 ethhdr = p->payload;
AdamGreen 0:616601bde9fb 238
AdamGreen 0:616601bde9fb 239 switch (htons(ethhdr->type)) {
AdamGreen 0:616601bde9fb 240 /* IP or ARP packet? */
AdamGreen 0:616601bde9fb 241 case ETHTYPE_IP:
AdamGreen 0:616601bde9fb 242 case ETHTYPE_ARP:
AdamGreen 0:616601bde9fb 243 #if PPPOE_SUPPORT
AdamGreen 0:616601bde9fb 244 /* PPPoE packet? */
AdamGreen 0:616601bde9fb 245 case ETHTYPE_PPPOEDISC:
AdamGreen 0:616601bde9fb 246 case ETHTYPE_PPPOE:
AdamGreen 0:616601bde9fb 247 #endif /* PPPOE_SUPPORT */
AdamGreen 0:616601bde9fb 248 /* full packet send to tcpip_thread to process */
AdamGreen 0:616601bde9fb 249 if (netif->input(p, netif)!=ERR_OK)
AdamGreen 0:616601bde9fb 250 { LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
AdamGreen 0:616601bde9fb 251 pbuf_free(p);
AdamGreen 0:616601bde9fb 252 p = NULL;
AdamGreen 0:616601bde9fb 253 }
AdamGreen 0:616601bde9fb 254 break;
AdamGreen 0:616601bde9fb 255
AdamGreen 0:616601bde9fb 256 default:
AdamGreen 0:616601bde9fb 257 pbuf_free(p);
AdamGreen 0:616601bde9fb 258 p = NULL;
AdamGreen 0:616601bde9fb 259 break;
AdamGreen 0:616601bde9fb 260 }
AdamGreen 0:616601bde9fb 261 }
AdamGreen 0:616601bde9fb 262
AdamGreen 0:616601bde9fb 263 /**
AdamGreen 0:616601bde9fb 264 * Should be called at the beginning of the program to set up the
AdamGreen 0:616601bde9fb 265 * network interface. It calls the function low_level_init() to do the
AdamGreen 0:616601bde9fb 266 * actual setup of the hardware.
AdamGreen 0:616601bde9fb 267 *
AdamGreen 0:616601bde9fb 268 * This function should be passed as a parameter to netif_add().
AdamGreen 0:616601bde9fb 269 *
AdamGreen 0:616601bde9fb 270 * @param netif the lwip network interface structure for this ethernetif
AdamGreen 0:616601bde9fb 271 * @return ERR_OK if the loopif is initialized
AdamGreen 0:616601bde9fb 272 * ERR_MEM if private data couldn't be allocated
AdamGreen 0:616601bde9fb 273 * any other err_t on error
AdamGreen 0:616601bde9fb 274 */
AdamGreen 0:616601bde9fb 275 err_t
AdamGreen 0:616601bde9fb 276 ethernetif_init(struct netif *netif)
AdamGreen 0:616601bde9fb 277 {
AdamGreen 0:616601bde9fb 278 struct ethernetif *ethernetif;
AdamGreen 0:616601bde9fb 279
AdamGreen 0:616601bde9fb 280 LWIP_ASSERT("netif != NULL", (netif != NULL));
AdamGreen 0:616601bde9fb 281
AdamGreen 0:616601bde9fb 282 ethernetif = mem_malloc(sizeof(struct ethernetif));
AdamGreen 0:616601bde9fb 283 if (ethernetif == NULL) {
AdamGreen 0:616601bde9fb 284 LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
AdamGreen 0:616601bde9fb 285 return ERR_MEM;
AdamGreen 0:616601bde9fb 286 }
AdamGreen 0:616601bde9fb 287
AdamGreen 0:616601bde9fb 288 #if LWIP_NETIF_HOSTNAME
AdamGreen 0:616601bde9fb 289 /* Initialize interface hostname */
AdamGreen 0:616601bde9fb 290 netif->hostname = "lwip";
AdamGreen 0:616601bde9fb 291 #endif /* LWIP_NETIF_HOSTNAME */
AdamGreen 0:616601bde9fb 292
AdamGreen 0:616601bde9fb 293 /*
AdamGreen 0:616601bde9fb 294 * Initialize the snmp variables and counters inside the struct netif.
AdamGreen 0:616601bde9fb 295 * The last argument should be replaced with your link speed, in units
AdamGreen 0:616601bde9fb 296 * of bits per second.
AdamGreen 0:616601bde9fb 297 */
AdamGreen 0:616601bde9fb 298 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
AdamGreen 0:616601bde9fb 299
AdamGreen 0:616601bde9fb 300 netif->state = ethernetif;
AdamGreen 0:616601bde9fb 301 netif->name[0] = IFNAME0;
AdamGreen 0:616601bde9fb 302 netif->name[1] = IFNAME1;
AdamGreen 0:616601bde9fb 303 /* We directly use etharp_output() here to save a function call.
AdamGreen 0:616601bde9fb 304 * You can instead declare your own function an call etharp_output()
AdamGreen 0:616601bde9fb 305 * from it if you have to do some checks before sending (e.g. if link
AdamGreen 0:616601bde9fb 306 * is available...) */
AdamGreen 0:616601bde9fb 307 netif->output = etharp_output;
AdamGreen 0:616601bde9fb 308 netif->linkoutput = low_level_output;
AdamGreen 0:616601bde9fb 309
AdamGreen 0:616601bde9fb 310 ethernetif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
AdamGreen 0:616601bde9fb 311
AdamGreen 0:616601bde9fb 312 /* initialize the hardware */
AdamGreen 0:616601bde9fb 313 low_level_init(netif);
AdamGreen 0:616601bde9fb 314
AdamGreen 0:616601bde9fb 315 return ERR_OK;
AdamGreen 0:616601bde9fb 316 }
AdamGreen 0:616601bde9fb 317
AdamGreen 0:616601bde9fb 318 #endif /* 0 */