Mauricio Donatti / EthernetInterface

Hostname Attempt

Dependencies:   Socket lwip-eth lwip-sys lwip

Fork of EthernetInterface by mbed official

EthernetInterface.cpp@56:0642ca02cebc, 2018-05-10 (annotated)

Committer:
mmdonatti
Date:
Thu May 10 18:20:26 2018 +0000
Revision:
56:0642ca02cebc
Parent:
55:ffc295afecc5 
Tentative to make hostname work (not yet)

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"
mbed_official 37:926eb6517318 25 #include "eth_arch.h"
donatien 3:f5776537f27f 26 #include "lwip/tcpip.h"
donatien 3:f5776537f27f 27
donatien 3:f5776537f27f 28 #include "mbed.h"
donatien 3:f5776537f27f 29
mmdonatti 55:ffc295afecc5 30 #include "lpc_phy.h"
mmdonatti 55:ffc295afecc5 31
mmdonatti 55:ffc295afecc5 32
mmdonatti 55:ffc295afecc5 33
emilmont 14:cec293071eed 34 /* TCP/IP and Network Interface Initialisation */
mbed_official 37:926eb6517318 35 static struct netif netif;
donatien 3:f5776537f27f 36
emilmont 27:2124eae946f3 37 static char mac_addr[19];
emilmont 27:2124eae946f3 38 static char ip_addr[17] = "\0";
mbed_official 35:cba86db5ab96 39 static char gateway[17] = "\0";
mbed_official 35:cba86db5ab96 40 static char networkmask[17] = "\0";
emilmont 26:dd9794ce1d64 41 static bool use_dhcp = false;
donatien 3:f5776537f27f 42
mmdonatti 55:ffc295afecc5 43 static char myName[33]; // holds the name, when setName() is called.
mmdonatti 55:ffc295afecc5 44
mmdonatti 55:ffc295afecc5 45
emilmont 26:dd9794ce1d64 46 static Semaphore tcpip_inited(0);
emilmont 26:dd9794ce1d64 47 static Semaphore netif_linked(0);
emilmont 26:dd9794ce1d64 48 static Semaphore netif_up(0);
donatien 3:f5776537f27f 49
emilmont 14:cec293071eed 50 static void tcpip_init_done(void *arg) {
emilmont 14:cec293071eed 51 tcpip_inited.release();
emilmont 14:cec293071eed 52 }
emilmont 26:dd9794ce1d64 53
emilmont 26:dd9794ce1d64 54 static void netif_link_callback(struct netif *netif) {
emilmont 26:dd9794ce1d64 55 if (netif_is_link_up(netif)) {
emilmont 26:dd9794ce1d64 56 netif_linked.release();
emilmont 26:dd9794ce1d64 57 }
emilmont 26:dd9794ce1d64 58 }
emilmont 26:dd9794ce1d64 59
emilmont 14:cec293071eed 60 static void netif_status_callback(struct netif *netif) {
emilmont 26:dd9794ce1d64 61 if (netif_is_up(netif)) {
emilmont 26:dd9794ce1d64 62 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
mbed_official 35:cba86db5ab96 63 strcpy(gateway, inet_ntoa(netif->gw));
mbed_official 35:cba86db5ab96 64 strcpy(networkmask, inet_ntoa(netif->netmask));
emilmont 26:dd9794ce1d64 65 netif_up.release();
emilmont 26:dd9794ce1d64 66 }
emilmont 14:cec293071eed 67 }
emilmont 26:dd9794ce1d64 68
emilmont 14:cec293071eed 69 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
mmdonatti 55:ffc295afecc5 70
emilmont 14:cec293071eed 71 tcpip_init(tcpip_init_done, NULL);
emilmont 14:cec293071eed 72 tcpip_inited.wait();
emilmont 14:cec293071eed 73
mbed_official 37:926eb6517318 74 memset((void*) &netif, 0, sizeof(netif));
mbed_official 37:926eb6517318 75 netif_add(&netif, ipaddr, netmask, gw, NULL, eth_arch_enetif_init, tcpip_input);
mmdonatti 55:ffc295afecc5 76
mmdonatti 55:ffc295afecc5 77 //netif.hostname=hostname;
mbed_official 37:926eb6517318 78 netif_set_default(&netif);
emilmont 26:dd9794ce1d64 79
mbed_official 37:926eb6517318 80 netif_set_link_callback (&netif, netif_link_callback);
mbed_official 37:926eb6517318 81 netif_set_status_callback(&netif, netif_status_callback);
donatien 3:f5776537f27f 82 }
donatien 3:f5776537f27f 83
emilmont 27:2124eae946f3 84 static void set_mac_address(void) {
bogdanm 33:c21b055c45b8 85 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
bogdanm 33:c21b055c45b8 86 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 87 MBED_MAC_ADDR_3, MBED_MAC_ADDR_4, MBED_MAC_ADDR_5);
bogdanm 33:c21b055c45b8 88 #else
emilmont 27:2124eae946f3 89 char mac[6];
emilmont 27:2124eae946f3 90 mbed_mac_address(mac);
emilmont 27:2124eae946f3 91 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 92 #endif
emilmont 27:2124eae946f3 93 }
emilmont 27:2124eae946f3 94
emilmont 14:cec293071eed 95 int EthernetInterface::init() {
emilmont 14:cec293071eed 96 use_dhcp = true;
emilmont 27:2124eae946f3 97 set_mac_address();
emilmont 14:cec293071eed 98 init_netif(NULL, NULL, NULL);
emilmont 15:fd9597f1b81b 99 return 0;
donatien 3:f5776537f27f 100 }
donatien 3:f5776537f27f 101
emilmont 14:cec293071eed 102 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
emilmont 14:cec293071eed 103 use_dhcp = false;
emilmont 27:2124eae946f3 104
emilmont 27:2124eae946f3 105 set_mac_address();
emilmont 26:dd9794ce1d64 106 strcpy(ip_addr, ip);
emilmont 26:dd9794ce1d64 107
emilmont 14:cec293071eed 108 ip_addr_t ip_n, mask_n, gateway_n;
emilmont 14:cec293071eed 109 inet_aton(ip, &ip_n);
emilmont 14:cec293071eed 110 inet_aton(mask, &mask_n);
emilmont 14:cec293071eed 111 inet_aton(gateway, &gateway_n);
emilmont 14:cec293071eed 112 init_netif(&ip_n, &mask_n, &gateway_n);
emilmont 26:dd9794ce1d64 113
emilmont 15:fd9597f1b81b 114 return 0;
donatien 3:f5776537f27f 115 }
donatien 3:f5776537f27f 116
mmdonatti 55:ffc295afecc5 117 uint32_t EthernetInterface::mii_read_data(void) {
mmdonatti 55:ffc295afecc5 118 return lpc_mii_read_data(); // 16-bit MRDD - address 0x2008 4030
mmdonatti 55:ffc295afecc5 119 }
mmdonatti 55:ffc295afecc5 120
mmdonatti 55:ffc295afecc5 121 bool EthernetInterface::is_connected(void) {
mmdonatti 55:ffc295afecc5 122 uint32_t tmp = lpc_mii_read_data();
mmdonatti 55:ffc295afecc5 123
mmdonatti 55:ffc295afecc5 124 return (tmp & DP8_VALID_LINK) ? true : false;
mmdonatti 55:ffc295afecc5 125 }
mmdonatti 55:ffc295afecc5 126
emilmont 21:8cd2de462559 127 int EthernetInterface::connect(unsigned int timeout_ms) {
mbed_official 37:926eb6517318 128 eth_arch_enable_interrupts();
mbed_official 37:926eb6517318 129
emilmont 26:dd9794ce1d64 130 int inited;
emilmont 14:cec293071eed 131 if (use_dhcp) {
mbed_official 37:926eb6517318 132 dhcp_start(&netif);
emilmont 26:dd9794ce1d64 133
emilmont 27:2124eae946f3 134 // Wait for an IP Address
emilmont 26:dd9794ce1d64 135 // -1: error, 0: timeout
emilmont 26:dd9794ce1d64 136 inited = netif_up.wait(timeout_ms);
emilmont 14:cec293071eed 137 } else {
mbed_official 37:926eb6517318 138 netif_set_up(&netif);
emilmont 26:dd9794ce1d64 139
emilmont 26:dd9794ce1d64 140 // Wait for the link up
emilmont 26:dd9794ce1d64 141 inited = netif_linked.wait(timeout_ms);
emilmont 14:cec293071eed 142 }
emilmont 14:cec293071eed 143
emilmont 21:8cd2de462559 144 return (inited > 0) ? (0) : (-1);
donatien 3:f5776537f27f 145 }
donatien 3:f5776537f27f 146
emilmont 14:cec293071eed 147 int EthernetInterface::disconnect() {
emilmont 14:cec293071eed 148 if (use_dhcp) {
mbed_official 37:926eb6517318 149 dhcp_release(&netif);
mbed_official 37:926eb6517318 150 dhcp_stop(&netif);
emilmont 14:cec293071eed 151 } else {
mbed_official 37:926eb6517318 152 netif_set_down(&netif);
emilmont 14:cec293071eed 153 }
emilmont 14:cec293071eed 154
mbed_official 37:926eb6517318 155 eth_arch_disable_interrupts();
emilmont 14:cec293071eed 156
emilmont 15:fd9597f1b81b 157 return 0;
donatien 3:f5776537f27f 158 }
donatien 3:f5776537f27f 159
emilmont 27:2124eae946f3 160 char* EthernetInterface::getMACAddress() {
emilmont 27:2124eae946f3 161 return mac_addr;
emilmont 27:2124eae946f3 162 }
emilmont 27:2124eae946f3 163
emilmont 14:cec293071eed 164 char* EthernetInterface::getIPAddress() {
emilmont 26:dd9794ce1d64 165 return ip_addr;
emilmont 14:cec293071eed 166 }
mbed_official 35:cba86db5ab96 167
mbed_official 35:cba86db5ab96 168 char* EthernetInterface::getGateway() {
mbed_official 35:cba86db5ab96 169 return gateway;
mbed_official 35:cba86db5ab96 170 }
mbed_official 35:cba86db5ab96 171
mbed_official 35:cba86db5ab96 172 char* EthernetInterface::getNetworkMask() {
mbed_official 35:cba86db5ab96 173 return networkmask;
mbed_official 35:cba86db5ab96 174 }
mbed_official 35:cba86db5ab96 175
mmdonatti 55:ffc295afecc5 176 int EthernetInterface::setName(const char * myname) {
mmdonatti 55:ffc295afecc5 177 int i;
mmdonatti 55:ffc295afecc5 178
mmdonatti 55:ffc295afecc5 179 strcpy(myName, myname);
mmdonatti 55:ffc295afecc5 180 myName[32] = '\0'; // be sure it is NULL terminated.
mmdonatti 55:ffc295afecc5 181 // make the name 'safe'
mmdonatti 55:ffc295afecc5 182 for (i=0; i<32 && myName[i] != '\0'; i++) {
mmdonatti 55:ffc295afecc5 183 if(myName[i]<'0'||myName[i]>'z'||(myName[i]>'9'&&myName[i]<'A')||(myName[i]>'Z'&&myName[i]<'a'))
mmdonatti 55:ffc295afecc5 184 myName[i] = '-';
mmdonatti 55:ffc295afecc5 185 }
mmdonatti 55:ffc295afecc5 186 netif_set_hostname(&netif, myName);
mmdonatti 55:ffc295afecc5 187 return 0;
mmdonatti 55:ffc295afecc5 188 }
mbed_official 35:cba86db5ab96 189
mmdonatti 55:ffc295afecc5 190 char* EthernetInterface::getName() {
mmdonatti 55:ffc295afecc5 191 return netif_get_hostname(&netif);
mmdonatti 55:ffc295afecc5 192 }