SiSK / EthernetInterface

fdsf

Dependents:   sisk_proj_stat MQTT Hello_FXOS8700Q WireFSHandControl ... more

EthernetInterface.cpp@0:d7bd7384a37c, 2016-12-07 (annotated)

Committer:
grzemich
Date:
Wed Dec 07 23:47:50 2016 +0000
Revision:
0:d7bd7384a37c
dgd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
grzemich 0:d7bd7384a37c 1 /* EthernetInterface.cpp */
grzemich 0:d7bd7384a37c 2 /* Copyright (C) 2012 mbed.org, MIT License
grzemich 0:d7bd7384a37c 3 *
grzemich 0:d7bd7384a37c 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
grzemich 0:d7bd7384a37c 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
grzemich 0:d7bd7384a37c 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
grzemich 0:d7bd7384a37c 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
grzemich 0:d7bd7384a37c 8 * furnished to do so, subject to the following conditions:
grzemich 0:d7bd7384a37c 9 *
grzemich 0:d7bd7384a37c 10 * The above copyright notice and this permission notice shall be included in all copies or
grzemich 0:d7bd7384a37c 11 * substantial portions of the Software.
grzemich 0:d7bd7384a37c 12 *
grzemich 0:d7bd7384a37c 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
grzemich 0:d7bd7384a37c 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
grzemich 0:d7bd7384a37c 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
grzemich 0:d7bd7384a37c 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
grzemich 0:d7bd7384a37c 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
grzemich 0:d7bd7384a37c 18 */
grzemich 0:d7bd7384a37c 19 #include "EthernetInterface.h"
grzemich 0:d7bd7384a37c 20
grzemich 0:d7bd7384a37c 21 #include "lwip/inet.h"
grzemich 0:d7bd7384a37c 22 #include "lwip/netif.h"
grzemich 0:d7bd7384a37c 23 #include "netif/etharp.h"
grzemich 0:d7bd7384a37c 24 #include "lwip/dhcp.h"
grzemich 0:d7bd7384a37c 25 #include "eth_arch.h"
grzemich 0:d7bd7384a37c 26 #include "lwip/tcpip.h"
grzemich 0:d7bd7384a37c 27
grzemich 0:d7bd7384a37c 28 #include "mbed.h"
grzemich 0:d7bd7384a37c 29
grzemich 0:d7bd7384a37c 30 /* TCP/IP and Network Interface Initialisation */
grzemich 0:d7bd7384a37c 31 static struct netif netif;
grzemich 0:d7bd7384a37c 32
grzemich 0:d7bd7384a37c 33 static char mac_addr[19];
grzemich 0:d7bd7384a37c 34 static char ip_addr[17] = "\0";
grzemich 0:d7bd7384a37c 35 static char gateway[17] = "\0";
grzemich 0:d7bd7384a37c 36 static char networkmask[17] = "\0";
grzemich 0:d7bd7384a37c 37 static bool use_dhcp = false;
grzemich 0:d7bd7384a37c 38
grzemich 0:d7bd7384a37c 39 static Semaphore tcpip_inited(0);
grzemich 0:d7bd7384a37c 40 static Semaphore netif_linked(0);
grzemich 0:d7bd7384a37c 41 static Semaphore netif_up(0);
grzemich 0:d7bd7384a37c 42
grzemich 0:d7bd7384a37c 43 static void tcpip_init_done(void *arg) {
grzemich 0:d7bd7384a37c 44 tcpip_inited.release();
grzemich 0:d7bd7384a37c 45 }
grzemich 0:d7bd7384a37c 46
grzemich 0:d7bd7384a37c 47 static void netif_link_callback(struct netif *netif) {
grzemich 0:d7bd7384a37c 48 if (netif_is_link_up(netif)) {
grzemich 0:d7bd7384a37c 49 netif_linked.release();
grzemich 0:d7bd7384a37c 50 }
grzemich 0:d7bd7384a37c 51 }
grzemich 0:d7bd7384a37c 52
grzemich 0:d7bd7384a37c 53 static void netif_status_callback(struct netif *netif) {
grzemich 0:d7bd7384a37c 54 if (netif_is_up(netif)) {
grzemich 0:d7bd7384a37c 55 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
grzemich 0:d7bd7384a37c 56 strcpy(gateway, inet_ntoa(netif->gw));
grzemich 0:d7bd7384a37c 57 strcpy(networkmask, inet_ntoa(netif->netmask));
grzemich 0:d7bd7384a37c 58 netif_up.release();
grzemich 0:d7bd7384a37c 59 }
grzemich 0:d7bd7384a37c 60 }
grzemich 0:d7bd7384a37c 61
grzemich 0:d7bd7384a37c 62 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
grzemich 0:d7bd7384a37c 63 tcpip_init(tcpip_init_done, NULL);
grzemich 0:d7bd7384a37c 64 tcpip_inited.wait();
grzemich 0:d7bd7384a37c 65
grzemich 0:d7bd7384a37c 66 memset((void*) &netif, 0, sizeof(netif));
grzemich 0:d7bd7384a37c 67 netif_add(&netif, ipaddr, netmask, gw, NULL, eth_arch_enetif_init, tcpip_input);
grzemich 0:d7bd7384a37c 68 netif_set_default(&netif);
grzemich 0:d7bd7384a37c 69
grzemich 0:d7bd7384a37c 70 netif_set_link_callback (&netif, netif_link_callback);
grzemich 0:d7bd7384a37c 71 netif_set_status_callback(&netif, netif_status_callback);
grzemich 0:d7bd7384a37c 72 }
grzemich 0:d7bd7384a37c 73
grzemich 0:d7bd7384a37c 74 static void set_mac_address(void) {
grzemich 0:d7bd7384a37c 75 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
grzemich 0:d7bd7384a37c 76 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", MBED_MAC_ADDR_0, MBED_MAC_ADDR_1, MBED_MAC_ADDR_2,
grzemich 0:d7bd7384a37c 77 MBED_MAC_ADDR_3, MBED_MAC_ADDR_4, MBED_MAC_ADDR_5);
grzemich 0:d7bd7384a37c 78 #else
grzemich 0:d7bd7384a37c 79 char mac[6];
grzemich 0:d7bd7384a37c 80 mbed_mac_address(mac);
grzemich 0:d7bd7384a37c 81 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
grzemich 0:d7bd7384a37c 82 #endif
grzemich 0:d7bd7384a37c 83 }
grzemich 0:d7bd7384a37c 84
grzemich 0:d7bd7384a37c 85 int EthernetInterface::init() {
grzemich 0:d7bd7384a37c 86 use_dhcp = true;
grzemich 0:d7bd7384a37c 87 set_mac_address();
grzemich 0:d7bd7384a37c 88 init_netif(NULL, NULL, NULL);
grzemich 0:d7bd7384a37c 89 return 0;
grzemich 0:d7bd7384a37c 90 }
grzemich 0:d7bd7384a37c 91
grzemich 0:d7bd7384a37c 92 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
grzemich 0:d7bd7384a37c 93 use_dhcp = false;
grzemich 0:d7bd7384a37c 94
grzemich 0:d7bd7384a37c 95 set_mac_address();
grzemich 0:d7bd7384a37c 96 strcpy(ip_addr, ip);
grzemich 0:d7bd7384a37c 97
grzemich 0:d7bd7384a37c 98 ip_addr_t ip_n, mask_n, gateway_n;
grzemich 0:d7bd7384a37c 99 inet_aton(ip, &ip_n);
grzemich 0:d7bd7384a37c 100 inet_aton(mask, &mask_n);
grzemich 0:d7bd7384a37c 101 inet_aton(gateway, &gateway_n);
grzemich 0:d7bd7384a37c 102 init_netif(&ip_n, &mask_n, &gateway_n);
grzemich 0:d7bd7384a37c 103
grzemich 0:d7bd7384a37c 104 return 0;
grzemich 0:d7bd7384a37c 105 }
grzemich 0:d7bd7384a37c 106
grzemich 0:d7bd7384a37c 107 int EthernetInterface::connect(unsigned int timeout_ms) {
grzemich 0:d7bd7384a37c 108 eth_arch_enable_interrupts();
grzemich 0:d7bd7384a37c 109
grzemich 0:d7bd7384a37c 110 int inited;
grzemich 0:d7bd7384a37c 111 if (use_dhcp) {
grzemich 0:d7bd7384a37c 112 dhcp_start(&netif);
grzemich 0:d7bd7384a37c 113
grzemich 0:d7bd7384a37c 114 // Wait for an IP Address
grzemich 0:d7bd7384a37c 115 // -1: error, 0: timeout
grzemich 0:d7bd7384a37c 116 inited = netif_up.wait(timeout_ms);
grzemich 0:d7bd7384a37c 117 } else {
grzemich 0:d7bd7384a37c 118 netif_set_up(&netif);
grzemich 0:d7bd7384a37c 119
grzemich 0:d7bd7384a37c 120 // Wait for the link up
grzemich 0:d7bd7384a37c 121 inited = netif_linked.wait(timeout_ms);
grzemich 0:d7bd7384a37c 122 }
grzemich 0:d7bd7384a37c 123
grzemich 0:d7bd7384a37c 124 return (inited > 0) ? (0) : (-1);
grzemich 0:d7bd7384a37c 125 }
grzemich 0:d7bd7384a37c 126
grzemich 0:d7bd7384a37c 127 int EthernetInterface::disconnect() {
grzemich 0:d7bd7384a37c 128 if (use_dhcp) {
grzemich 0:d7bd7384a37c 129 dhcp_release(&netif);
grzemich 0:d7bd7384a37c 130 dhcp_stop(&netif);
grzemich 0:d7bd7384a37c 131 } else {
grzemich 0:d7bd7384a37c 132 netif_set_down(&netif);
grzemich 0:d7bd7384a37c 133 }
grzemich 0:d7bd7384a37c 134
grzemich 0:d7bd7384a37c 135 eth_arch_disable_interrupts();
grzemich 0:d7bd7384a37c 136
grzemich 0:d7bd7384a37c 137 return 0;
grzemich 0:d7bd7384a37c 138 }
grzemich 0:d7bd7384a37c 139
grzemich 0:d7bd7384a37c 140 char* EthernetInterface::getMACAddress() {
grzemich 0:d7bd7384a37c 141 return mac_addr;
grzemich 0:d7bd7384a37c 142 }
grzemich 0:d7bd7384a37c 143
grzemich 0:d7bd7384a37c 144 char* EthernetInterface::getIPAddress() {
grzemich 0:d7bd7384a37c 145 return ip_addr;
grzemich 0:d7bd7384a37c 146 }
grzemich 0:d7bd7384a37c 147
grzemich 0:d7bd7384a37c 148 char* EthernetInterface::getGateway() {
grzemich 0:d7bd7384a37c 149 return gateway;
grzemich 0:d7bd7384a37c 150 }
grzemich 0:d7bd7384a37c 151
grzemich 0:d7bd7384a37c 152 char* EthernetInterface::getNetworkMask() {
grzemich 0:d7bd7384a37c 153 return networkmask;
grzemich 0:d7bd7384a37c 154 }
grzemich 0:d7bd7384a37c 155
grzemich 0:d7bd7384a37c 156