Lorcan Smith / Mbed 2 deprecated Enet_SPI

SNMP agent attached to SPI slave

Dependencies:   mbed

drv/eth/eth_drv.cpp@0:2a53a4c3238c, 2012-08-13 (annotated)

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1
lorcansmith 0:2a53a4c3238c 2 /*
lorcansmith 0:2a53a4c3238c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
lorcansmith 0:2a53a4c3238c 4
lorcansmith 0:2a53a4c3238c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
lorcansmith 0:2a53a4c3238c 6 of this software and associated documentation files (the "Software"), to deal
lorcansmith 0:2a53a4c3238c 7 in the Software without restriction, including without limitation the rights
lorcansmith 0:2a53a4c3238c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
lorcansmith 0:2a53a4c3238c 9 copies of the Software, and to permit persons to whom the Software is
lorcansmith 0:2a53a4c3238c 10 furnished to do so, subject to the following conditions:
lorcansmith 0:2a53a4c3238c 11
lorcansmith 0:2a53a4c3238c 12 The above copyright notice and this permission notice shall be included in
lorcansmith 0:2a53a4c3238c 13 all copies or substantial portions of the Software.
lorcansmith 0:2a53a4c3238c 14
lorcansmith 0:2a53a4c3238c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
lorcansmith 0:2a53a4c3238c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
lorcansmith 0:2a53a4c3238c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
lorcansmith 0:2a53a4c3238c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
lorcansmith 0:2a53a4c3238c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lorcansmith 0:2a53a4c3238c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
lorcansmith 0:2a53a4c3238c 21 THE SOFTWARE.
lorcansmith 0:2a53a4c3238c 22 */
lorcansmith 0:2a53a4c3238c 23
lorcansmith 0:2a53a4c3238c 24 #include "netCfg.h"
lorcansmith 0:2a53a4c3238c 25 #if NET_ETH
lorcansmith 0:2a53a4c3238c 26
lorcansmith 0:2a53a4c3238c 27 #include "mbed.h"
lorcansmith 0:2a53a4c3238c 28
lorcansmith 0:2a53a4c3238c 29 Ethernet *pEth = NULL;
lorcansmith 0:2a53a4c3238c 30 #ifdef __cplusplus
lorcansmith 0:2a53a4c3238c 31 extern "C" {
lorcansmith 0:2a53a4c3238c 32 #endif
lorcansmith 0:2a53a4c3238c 33
lorcansmith 0:2a53a4c3238c 34 #include "lwip/opt.h"
lorcansmith 0:2a53a4c3238c 35
lorcansmith 0:2a53a4c3238c 36 #include "lwip/def.h"
lorcansmith 0:2a53a4c3238c 37 #include "lwip/pbuf.h"
lorcansmith 0:2a53a4c3238c 38 #include "lwip/sys.h"
lorcansmith 0:2a53a4c3238c 39 #include "lwip/stats.h"
lorcansmith 0:2a53a4c3238c 40 #include "lwip/snmp_structs.h"
lorcansmith 0:2a53a4c3238c 41 #include "netif/etharp.h"
lorcansmith 0:2a53a4c3238c 42 #include "string.h"
lorcansmith 0:2a53a4c3238c 43
lorcansmith 0:2a53a4c3238c 44 //#include "eth_drv.h"
lorcansmith 0:2a53a4c3238c 45
lorcansmith 0:2a53a4c3238c 46 #define IFNAME0 'E'
lorcansmith 0:2a53a4c3238c 47 #define IFNAME1 'X'
lorcansmith 0:2a53a4c3238c 48
lorcansmith 0:2a53a4c3238c 49 #define min(x,y) (((x)<(y))?(x):(y))
lorcansmith 0:2a53a4c3238c 50
lorcansmith 0:2a53a4c3238c 51
lorcansmith 0:2a53a4c3238c 52 struct netif* eth_netif;
lorcansmith 0:2a53a4c3238c 53
lorcansmith 0:2a53a4c3238c 54 static err_t eth_output(struct netif *netif, struct pbuf *p) {
lorcansmith 0:2a53a4c3238c 55 #if ETH_PAD_SIZE
lorcansmith 0:2a53a4c3238c 56 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
lorcansmith 0:2a53a4c3238c 57 #endif
lorcansmith 0:2a53a4c3238c 58
lorcansmith 0:2a53a4c3238c 59 do {
lorcansmith 0:2a53a4c3238c 60 pEth->write((const char *)p->payload, p->len);
lorcansmith 0:2a53a4c3238c 61 } while((p = p->next)!=NULL);
lorcansmith 0:2a53a4c3238c 62
lorcansmith 0:2a53a4c3238c 63 pEth->send();
lorcansmith 0:2a53a4c3238c 64
lorcansmith 0:2a53a4c3238c 65 #if ETH_PAD_SIZE
lorcansmith 0:2a53a4c3238c 66 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
lorcansmith 0:2a53a4c3238c 67 #endif
lorcansmith 0:2a53a4c3238c 68
lorcansmith 0:2a53a4c3238c 69 LINK_STATS_INC(link.xmit);
lorcansmith 0:2a53a4c3238c 70 return ERR_OK;
lorcansmith 0:2a53a4c3238c 71 }
lorcansmith 0:2a53a4c3238c 72
lorcansmith 0:2a53a4c3238c 73 /*
lorcansmith 0:2a53a4c3238c 74 void show(char *buf, int size) {
lorcansmith 0:2a53a4c3238c 75 printf("Destination: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
lorcansmith 0:2a53a4c3238c 76 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
lorcansmith 0:2a53a4c3238c 77 printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
lorcansmith 0:2a53a4c3238c 78 buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
lorcansmith 0:2a53a4c3238c 79
lorcansmith 0:2a53a4c3238c 80 printf("Type %hd\n", htons((short)buf[12]));
lorcansmith 0:2a53a4c3238c 81
lorcansmith 0:2a53a4c3238c 82 // hexview(buf, size);
lorcansmith 0:2a53a4c3238c 83 }
lorcansmith 0:2a53a4c3238c 84 */
lorcansmith 0:2a53a4c3238c 85
lorcansmith 0:2a53a4c3238c 86 void eth_poll() {
lorcansmith 0:2a53a4c3238c 87 struct eth_hdr *ethhdr;
lorcansmith 0:2a53a4c3238c 88 struct pbuf *frame, *p;
lorcansmith 0:2a53a4c3238c 89 int len, read;
lorcansmith 0:2a53a4c3238c 90
lorcansmith 0:2a53a4c3238c 91 while((len = pEth->receive()) != 0) {
lorcansmith 0:2a53a4c3238c 92 frame = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
lorcansmith 0:2a53a4c3238c 93 if(frame == NULL) {
lorcansmith 0:2a53a4c3238c 94 return;
lorcansmith 0:2a53a4c3238c 95 }
lorcansmith 0:2a53a4c3238c 96 p = frame;
lorcansmith 0:2a53a4c3238c 97 /* no packet could be read, silently ignore this */
lorcansmith 0:2a53a4c3238c 98 if (p == NULL) return;
lorcansmith 0:2a53a4c3238c 99 do {
lorcansmith 0:2a53a4c3238c 100 read = pEth->read((char *)p->payload, p->len);
lorcansmith 0:2a53a4c3238c 101 p = p->next;
lorcansmith 0:2a53a4c3238c 102 } while(p != NULL && read != 0);
lorcansmith 0:2a53a4c3238c 103
lorcansmith 0:2a53a4c3238c 104 #if ETH_PAD_SIZE
lorcansmith 0:2a53a4c3238c 105 pbuf_header(p, ETH_PAD_SIZE);
lorcansmith 0:2a53a4c3238c 106 #endif
lorcansmith 0:2a53a4c3238c 107
lorcansmith 0:2a53a4c3238c 108 ethhdr = (struct eth_hdr *)(frame->payload);
lorcansmith 0:2a53a4c3238c 109
lorcansmith 0:2a53a4c3238c 110 // show((char*)ethhdr, 13);
lorcansmith 0:2a53a4c3238c 111
lorcansmith 0:2a53a4c3238c 112 /*
lorcansmith 0:2a53a4c3238c 113 switch(htons(ethhdr->type)) {
lorcansmith 0:2a53a4c3238c 114
lorcansmith 0:2a53a4c3238c 115 case ETHTYPE_IP:
lorcansmith 0:2a53a4c3238c 116 etharp_ip_input(gnetif, frame);
lorcansmith 0:2a53a4c3238c 117 pbuf_header(frame, -((s16_t) sizeof(struct eth_hdr)));
lorcansmith 0:2a53a4c3238c 118 gnetif->input(frame, gnetif);
lorcansmith 0:2a53a4c3238c 119 break;
lorcansmith 0:2a53a4c3238c 120
lorcansmith 0:2a53a4c3238c 121 case ETHTYPE_ARP:
lorcansmith 0:2a53a4c3238c 122 etharp_arp_input(gnetif, (struct eth_addr *)(gnetif->hwaddr), frame);
lorcansmith 0:2a53a4c3238c 123 break;
lorcansmith 0:2a53a4c3238c 124
lorcansmith 0:2a53a4c3238c 125 default:
lorcansmith 0:2a53a4c3238c 126 break;
lorcansmith 0:2a53a4c3238c 127 }*/
lorcansmith 0:2a53a4c3238c 128
lorcansmith 0:2a53a4c3238c 129
lorcansmith 0:2a53a4c3238c 130
lorcansmith 0:2a53a4c3238c 131 //ethernet_input(frame, gnetif);
lorcansmith 0:2a53a4c3238c 132
lorcansmith 0:2a53a4c3238c 133 switch (htons(ethhdr->type)) {
lorcansmith 0:2a53a4c3238c 134 /* IP or ARP packet? */
lorcansmith 0:2a53a4c3238c 135 case ETHTYPE_IP:
lorcansmith 0:2a53a4c3238c 136 case ETHTYPE_ARP:
lorcansmith 0:2a53a4c3238c 137 #if PPPOE_SUPPORT
lorcansmith 0:2a53a4c3238c 138 /* PPPoE packet? */
lorcansmith 0:2a53a4c3238c 139 case ETHTYPE_PPPOEDISC:
lorcansmith 0:2a53a4c3238c 140 case ETHTYPE_PPPOE:
lorcansmith 0:2a53a4c3238c 141 #endif /* PPPOE_SUPPORT */
lorcansmith 0:2a53a4c3238c 142 /* full packet send to tcpip_thread to process */
lorcansmith 0:2a53a4c3238c 143 //if (netif->input(p, gnetif)!=ERR_OK)
lorcansmith 0:2a53a4c3238c 144 if (ethernet_input(frame, eth_netif)!=ERR_OK)
lorcansmith 0:2a53a4c3238c 145 { LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
lorcansmith 0:2a53a4c3238c 146 pbuf_free(frame);
lorcansmith 0:2a53a4c3238c 147 frame = NULL;
lorcansmith 0:2a53a4c3238c 148 }
lorcansmith 0:2a53a4c3238c 149 break;
lorcansmith 0:2a53a4c3238c 150
lorcansmith 0:2a53a4c3238c 151 default:
lorcansmith 0:2a53a4c3238c 152 pbuf_free(frame);
lorcansmith 0:2a53a4c3238c 153 frame = NULL;
lorcansmith 0:2a53a4c3238c 154 break;
lorcansmith 0:2a53a4c3238c 155 }
lorcansmith 0:2a53a4c3238c 156
lorcansmith 0:2a53a4c3238c 157 /* pbuf_free(frame); */
lorcansmith 0:2a53a4c3238c 158 }
lorcansmith 0:2a53a4c3238c 159
lorcansmith 0:2a53a4c3238c 160
lorcansmith 0:2a53a4c3238c 161
lorcansmith 0:2a53a4c3238c 162
lorcansmith 0:2a53a4c3238c 163 }
lorcansmith 0:2a53a4c3238c 164
lorcansmith 0:2a53a4c3238c 165 err_t eth_init(struct netif *netif) {
lorcansmith 0:2a53a4c3238c 166 LWIP_ASSERT("netif != NULL", (netif != NULL));
lorcansmith 0:2a53a4c3238c 167
lorcansmith 0:2a53a4c3238c 168 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 0x2EA);
lorcansmith 0:2a53a4c3238c 169
lorcansmith 0:2a53a4c3238c 170 /* maximum transfer unit */
lorcansmith 0:2a53a4c3238c 171 netif->mtu = 0x2EA;
lorcansmith 0:2a53a4c3238c 172
lorcansmith 0:2a53a4c3238c 173 /* device capabilities */
lorcansmith 0:2a53a4c3238c 174 /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
lorcansmith 0:2a53a4c3238c 175 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_IGMP;
lorcansmith 0:2a53a4c3238c 176
lorcansmith 0:2a53a4c3238c 177 netif->state = NULL;
lorcansmith 0:2a53a4c3238c 178 eth_netif = netif;
lorcansmith 0:2a53a4c3238c 179
lorcansmith 0:2a53a4c3238c 180 netif->name[0] = IFNAME0;
lorcansmith 0:2a53a4c3238c 181 netif->name[1] = IFNAME1;
lorcansmith 0:2a53a4c3238c 182
lorcansmith 0:2a53a4c3238c 183 /* We directly use etharp_output() here to save a function call.
lorcansmith 0:2a53a4c3238c 184 * You can instead declare your own function an call etharp_output()
lorcansmith 0:2a53a4c3238c 185 * from it if you have to do some checks before sending (e.g. if link
lorcansmith 0:2a53a4c3238c 186 * is available...) */
lorcansmith 0:2a53a4c3238c 187 netif->output = etharp_output;
lorcansmith 0:2a53a4c3238c 188 netif->linkoutput = eth_output;
lorcansmith 0:2a53a4c3238c 189
lorcansmith 0:2a53a4c3238c 190 pEth = new Ethernet();
lorcansmith 0:2a53a4c3238c 191
lorcansmith 0:2a53a4c3238c 192 return ERR_OK;
lorcansmith 0:2a53a4c3238c 193 }
lorcansmith 0:2a53a4c3238c 194
lorcansmith 0:2a53a4c3238c 195 void eth_free()
lorcansmith 0:2a53a4c3238c 196 {
lorcansmith 0:2a53a4c3238c 197 if(pEth)
lorcansmith 0:2a53a4c3238c 198 delete pEth;
lorcansmith 0:2a53a4c3238c 199 pEth = NULL;
lorcansmith 0:2a53a4c3238c 200 }
lorcansmith 0:2a53a4c3238c 201
lorcansmith 0:2a53a4c3238c 202 void eth_address(char* mac) {
lorcansmith 0:2a53a4c3238c 203 pEth->address(mac);
lorcansmith 0:2a53a4c3238c 204 }
lorcansmith 0:2a53a4c3238c 205
lorcansmith 0:2a53a4c3238c 206 #ifdef __cplusplus
lorcansmith 0:2a53a4c3238c 207 };
lorcansmith 0:2a53a4c3238c 208 #endif
lorcansmith 0:2a53a4c3238c 209
lorcansmith 0:2a53a4c3238c 210 #endif