pin Fred / EthernetInterface

mbed IP library over Ethernet K64F static IP FIXED

Dependencies:   Socket lwip-eth lwip-sys lwip

Fork of EthernetInterface by mbed official

EthernetInterface.cpp@55:ab0511be5528, 2016-10-24 (annotated)

Committer:
pinfred
Date:
Mon Oct 24 16:25:18 2016 +0000
Revision:
55:ab0511be5528
Parent:
37:926eb6517318 
fix static IP issue

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 4:9a52c802be61 1 /* EthernetInterface.cpp */
donatien 3:f5776537f27f 2 /* Copyright (C) 2012 mbed.org, MIT License
donatien 3:f5776537f27f 3 *
donatien 3:f5776537f27f 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
donatien 3:f5776537f27f 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
donatien 3:f5776537f27f 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
donatien 3:f5776537f27f 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
donatien 3:f5776537f27f 8 * furnished to do so, subject to the following conditions:
donatien 3:f5776537f27f 9 *
donatien 3:f5776537f27f 10 * The above copyright notice and this permission notice shall be included in all copies or
donatien 3:f5776537f27f 11 * substantial portions of the Software.
donatien 3:f5776537f27f 12 *
donatien 3:f5776537f27f 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
donatien 3:f5776537f27f 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
donatien 3:f5776537f27f 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
donatien 3:f5776537f27f 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 3:f5776537f27f 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
donatien 3:f5776537f27f 18 */
donatien 3:f5776537f27f 19 #include "EthernetInterface.h"
donatien 3:f5776537f27f 20
donatien 3:f5776537f27f 21 #include "lwip/inet.h"
donatien 3:f5776537f27f 22 #include "lwip/netif.h"
donatien 3:f5776537f27f 23 #include "netif/etharp.h"
donatien 3:f5776537f27f 24 #include "lwip/dhcp.h"
pinfred 55:ab0511be5528 25 #include "lwip/dns.h"
mbed_official 37:926eb6517318 26 #include "eth_arch.h"
donatien 3:f5776537f27f 27 #include "lwip/tcpip.h"
donatien 3:f5776537f27f 28
donatien 3:f5776537f27f 29 #include "mbed.h"
donatien 3:f5776537f27f 30
emilmont 14:cec293071eed 31 /* TCP/IP and Network Interface Initialisation */
mbed_official 37:926eb6517318 32 static struct netif netif;
donatien 3:f5776537f27f 33
emilmont 27:2124eae946f3 34 static char mac_addr[19];
emilmont 27:2124eae946f3 35 static char ip_addr[17] = "\0";
mbed_official 35:cba86db5ab96 36 static char gateway[17] = "\0";
pinfred 55:ab0511be5528 37 static char dns_addr[17] = "\0";
mbed_official 35:cba86db5ab96 38 static char networkmask[17] = "\0";
emilmont 26:dd9794ce1d64 39 static bool use_dhcp = false;
pinfred 55:ab0511be5528 40 static bool set_dns = false;
donatien 3:f5776537f27f 41
emilmont 26:dd9794ce1d64 42 static Semaphore tcpip_inited(0);
emilmont 26:dd9794ce1d64 43 static Semaphore netif_linked(0);
emilmont 26:dd9794ce1d64 44 static Semaphore netif_up(0);
donatien 3:f5776537f27f 45
emilmont 14:cec293071eed 46 static void tcpip_init_done(void *arg) {
emilmont 14:cec293071eed 47 tcpip_inited.release();
emilmont 14:cec293071eed 48 }
emilmont 26:dd9794ce1d64 49
emilmont 26:dd9794ce1d64 50 static void netif_link_callback(struct netif *netif) {
emilmont 26:dd9794ce1d64 51 if (netif_is_link_up(netif)) {
emilmont 26:dd9794ce1d64 52 netif_linked.release();
emilmont 26:dd9794ce1d64 53 }
emilmont 26:dd9794ce1d64 54 }
emilmont 26:dd9794ce1d64 55
emilmont 14:cec293071eed 56 static void netif_status_callback(struct netif *netif) {
emilmont 26:dd9794ce1d64 57 if (netif_is_up(netif)) {
emilmont 26:dd9794ce1d64 58 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
mbed_official 35:cba86db5ab96 59 strcpy(gateway, inet_ntoa(netif->gw));
mbed_official 35:cba86db5ab96 60 strcpy(networkmask, inet_ntoa(netif->netmask));
emilmont 26:dd9794ce1d64 61 netif_up.release();
emilmont 26:dd9794ce1d64 62 }
emilmont 14:cec293071eed 63 }
emilmont 26:dd9794ce1d64 64
emilmont 14:cec293071eed 65 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
emilmont 14:cec293071eed 66 tcpip_init(tcpip_init_done, NULL);
emilmont 14:cec293071eed 67 tcpip_inited.wait();
emilmont 14:cec293071eed 68
mbed_official 37:926eb6517318 69 memset((void*) &netif, 0, sizeof(netif));
mbed_official 37:926eb6517318 70 netif_add(&netif, ipaddr, netmask, gw, NULL, eth_arch_enetif_init, tcpip_input);
mbed_official 37:926eb6517318 71 netif_set_default(&netif);
mbed_official 37:926eb6517318 72 netif_set_link_callback (&netif, netif_link_callback);
mbed_official 37:926eb6517318 73 netif_set_status_callback(&netif, netif_status_callback);
donatien 3:f5776537f27f 74 }
donatien 3:f5776537f27f 75
emilmont 27:2124eae946f3 76 static void set_mac_address(void) {
bogdanm 33:c21b055c45b8 77 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
bogdanm 33:c21b055c45b8 78 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", MBED_MAC_ADDR_0, MBED_MAC_ADDR_1, MBED_MAC_ADDR_2,
bogdanm 33:c21b055c45b8 79 MBED_MAC_ADDR_3, MBED_MAC_ADDR_4, MBED_MAC_ADDR_5);
bogdanm 33:c21b055c45b8 80 #else
emilmont 27:2124eae946f3 81 char mac[6];
emilmont 27:2124eae946f3 82 mbed_mac_address(mac);
emilmont 27:2124eae946f3 83 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
bogdanm 33:c21b055c45b8 84 #endif
emilmont 27:2124eae946f3 85 }
emilmont 27:2124eae946f3 86
emilmont 14:cec293071eed 87 int EthernetInterface::init() {
emilmont 14:cec293071eed 88 use_dhcp = true;
emilmont 27:2124eae946f3 89 set_mac_address();
emilmont 14:cec293071eed 90 init_netif(NULL, NULL, NULL);
emilmont 15:fd9597f1b81b 91 return 0;
donatien 3:f5776537f27f 92 }
donatien 3:f5776537f27f 93
pinfred 55:ab0511be5528 94 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway, const char * dns) {
emilmont 14:cec293071eed 95 use_dhcp = false;
emilmont 27:2124eae946f3 96
emilmont 27:2124eae946f3 97 set_mac_address();
emilmont 26:dd9794ce1d64 98 strcpy(ip_addr, ip);
emilmont 26:dd9794ce1d64 99
pinfred 55:ab0511be5528 100 if (dns != NULL) {
pinfred 55:ab0511be5528 101 set_dns = true;
pinfred 55:ab0511be5528 102 strcpy(dns_addr, dns);
pinfred 55:ab0511be5528 103 }
pinfred 55:ab0511be5528 104
emilmont 14:cec293071eed 105 ip_addr_t ip_n, mask_n, gateway_n;
emilmont 14:cec293071eed 106 inet_aton(ip, &ip_n);
emilmont 14:cec293071eed 107 inet_aton(mask, &mask_n);
emilmont 14:cec293071eed 108 inet_aton(gateway, &gateway_n);
emilmont 14:cec293071eed 109 init_netif(&ip_n, &mask_n, &gateway_n);
emilmont 26:dd9794ce1d64 110
emilmont 15:fd9597f1b81b 111 return 0;
donatien 3:f5776537f27f 112 }
donatien 3:f5776537f27f 113
emilmont 21:8cd2de462559 114 int EthernetInterface::connect(unsigned int timeout_ms) {
mbed_official 37:926eb6517318 115 eth_arch_enable_interrupts();
mbed_official 37:926eb6517318 116
emilmont 26:dd9794ce1d64 117 int inited;
emilmont 14:cec293071eed 118 if (use_dhcp) {
mbed_official 37:926eb6517318 119 dhcp_start(&netif);
emilmont 26:dd9794ce1d64 120
emilmont 27:2124eae946f3 121 // Wait for an IP Address
emilmont 26:dd9794ce1d64 122 // -1: error, 0: timeout
emilmont 26:dd9794ce1d64 123 inited = netif_up.wait(timeout_ms);
emilmont 14:cec293071eed 124 } else {
mbed_official 37:926eb6517318 125 netif_set_up(&netif);
emilmont 26:dd9794ce1d64 126
emilmont 26:dd9794ce1d64 127 // Wait for the link up
pinfred 55:ab0511be5528 128 Timer timeout;
pinfred 55:ab0511be5528 129 timeout.start();
pinfred 55:ab0511be5528 130 while(timeout.read_ms() < timeout_ms) {
pinfred 55:ab0511be5528 131 if (netif.flags & NETIF_FLAG_LINK_UP) {
pinfred 55:ab0511be5528 132 inited = 1;
pinfred 55:ab0511be5528 133 break;
pinfred 55:ab0511be5528 134 }
pinfred 55:ab0511be5528 135 }
pinfred 55:ab0511be5528 136 if (set_dns) {
pinfred 55:ab0511be5528 137 ip_addr_t dns_n;
pinfred 55:ab0511be5528 138 inet_aton(dns_addr, &dns_n);
pinfred 55:ab0511be5528 139 dns_setserver(0, &dns_n);
pinfred 55:ab0511be5528 140 }
emilmont 14:cec293071eed 141 }
emilmont 14:cec293071eed 142
emilmont 21:8cd2de462559 143 return (inited > 0) ? (0) : (-1);
donatien 3:f5776537f27f 144 }
donatien 3:f5776537f27f 145
emilmont 14:cec293071eed 146 int EthernetInterface::disconnect() {
emilmont 14:cec293071eed 147 if (use_dhcp) {
mbed_official 37:926eb6517318 148 dhcp_release(&netif);
mbed_official 37:926eb6517318 149 dhcp_stop(&netif);
emilmont 14:cec293071eed 150 } else {
mbed_official 37:926eb6517318 151 netif_set_down(&netif);
emilmont 14:cec293071eed 152 }
emilmont 14:cec293071eed 153
mbed_official 37:926eb6517318 154 eth_arch_disable_interrupts();
emilmont 14:cec293071eed 155
emilmont 15:fd9597f1b81b 156 return 0;
donatien 3:f5776537f27f 157 }
donatien 3:f5776537f27f 158
emilmont 27:2124eae946f3 159 char* EthernetInterface::getMACAddress() {
emilmont 27:2124eae946f3 160 return mac_addr;
emilmont 27:2124eae946f3 161 }
emilmont 27:2124eae946f3 162
emilmont 14:cec293071eed 163 char* EthernetInterface::getIPAddress() {
emilmont 26:dd9794ce1d64 164 return ip_addr;
emilmont 14:cec293071eed 165 }
mbed_official 35:cba86db5ab96 166
mbed_official 35:cba86db5ab96 167 char* EthernetInterface::getGateway() {
mbed_official 35:cba86db5ab96 168 return gateway;
mbed_official 35:cba86db5ab96 169 }
mbed_official 35:cba86db5ab96 170
mbed_official 35:cba86db5ab96 171 char* EthernetInterface::getNetworkMask() {
mbed_official 35:cba86db5ab96 172 return networkmask;
mbed_official 35:cba86db5ab96 173 }
mbed_official 35:cba86db5ab96 174
mbed_official 35:cba86db5ab96 175