NavigatorsAAT / EthernetInterface

Dependencies:   Socket lwip-sys lwip

Fork of EthernetInterface by mbed official

EthernetInterface.cpp@55:b74f6491d9dc, 2017-01-04 (annotated)

Committer:
Ashish_Gupta
Date:
Wed Jan 04 09:10:27 2017 +0000
Revision:
55:b74f6491d9dc
Parent:
37:926eb6517318 
Local Changed to get FRDMK64KF ethernet working

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 #include "mbed.h"
Ashish_Gupta 55:b74f6491d9dc 28 #include "demo.h"
donatien 3:f5776537f27f 29
emilmont 14:cec293071eed 30 /* TCP/IP and Network Interface Initialisation */
mbed_official 37:926eb6517318 31 static struct netif netif;
donatien 3:f5776537f27f 32
emilmont 27:2124eae946f3 33 static char mac_addr[19];
emilmont 27:2124eae946f3 34 static char ip_addr[17] = "\0";
mbed_official 35:cba86db5ab96 35 static char gateway[17] = "\0";
mbed_official 35:cba86db5ab96 36 static char networkmask[17] = "\0";
emilmont 26:dd9794ce1d64 37 static bool use_dhcp = false;
donatien 3:f5776537f27f 38
emilmont 26:dd9794ce1d64 39 static Semaphore tcpip_inited(0);
emilmont 26:dd9794ce1d64 40 static Semaphore netif_linked(0);
emilmont 26:dd9794ce1d64 41 static Semaphore netif_up(0);
donatien 3:f5776537f27f 42
emilmont 14:cec293071eed 43 static void tcpip_init_done(void *arg) {
emilmont 14:cec293071eed 44 tcpip_inited.release();
emilmont 14:cec293071eed 45 }
emilmont 26:dd9794ce1d64 46
emilmont 26:dd9794ce1d64 47 static void netif_link_callback(struct netif *netif) {
Ashish_Gupta 55:b74f6491d9dc 48
Ashish_Gupta 55:b74f6491d9dc 49 eth_cmd_t *cmd;
Ashish_Gupta 55:b74f6491d9dc 50 cmd = ethernet_status_q.alloc();
Ashish_Gupta 55:b74f6491d9dc 51 if (netif_is_link_up(netif))
Ashish_Gupta 55:b74f6491d9dc 52 {
Ashish_Gupta 55:b74f6491d9dc 53 //netif_linked.release();
Ashish_Gupta 55:b74f6491d9dc 54 cmd->cmd = ETHERNET_LINK_UP;
Ashish_Gupta 55:b74f6491d9dc 55 ethernet_status_q.put(cmd);
Ashish_Gupta 55:b74f6491d9dc 56 }
Ashish_Gupta 55:b74f6491d9dc 57 else
Ashish_Gupta 55:b74f6491d9dc 58 {
Ashish_Gupta 55:b74f6491d9dc 59 cmd->cmd = ETHERNET_LINK_DOWN;
Ashish_Gupta 55:b74f6491d9dc 60 ethernet_status_q.put(cmd);
emilmont 26:dd9794ce1d64 61 }
emilmont 26:dd9794ce1d64 62 }
emilmont 26:dd9794ce1d64 63
emilmont 14:cec293071eed 64 static void netif_status_callback(struct netif *netif) {
emilmont 26:dd9794ce1d64 65 if (netif_is_up(netif)) {
emilmont 26:dd9794ce1d64 66 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
mbed_official 35:cba86db5ab96 67 strcpy(gateway, inet_ntoa(netif->gw));
mbed_official 35:cba86db5ab96 68 strcpy(networkmask, inet_ntoa(netif->netmask));
emilmont 26:dd9794ce1d64 69 netif_up.release();
emilmont 26:dd9794ce1d64 70 }
emilmont 14:cec293071eed 71 }
emilmont 26:dd9794ce1d64 72
emilmont 14:cec293071eed 73 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
emilmont 14:cec293071eed 74 tcpip_init(tcpip_init_done, NULL);
emilmont 14:cec293071eed 75 tcpip_inited.wait();
emilmont 14:cec293071eed 76
mbed_official 37:926eb6517318 77 memset((void*) &netif, 0, sizeof(netif));
mbed_official 37:926eb6517318 78 netif_add(&netif, ipaddr, netmask, gw, NULL, eth_arch_enetif_init, tcpip_input);
mbed_official 37:926eb6517318 79 netif_set_default(&netif);
emilmont 26:dd9794ce1d64 80
mbed_official 37:926eb6517318 81 netif_set_link_callback (&netif, netif_link_callback);
mbed_official 37:926eb6517318 82 netif_set_status_callback(&netif, netif_status_callback);
donatien 3:f5776537f27f 83 }
donatien 3:f5776537f27f 84
emilmont 27:2124eae946f3 85 static void set_mac_address(void) {
bogdanm 33:c21b055c45b8 86 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
bogdanm 33:c21b055c45b8 87 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 88 MBED_MAC_ADDR_3, MBED_MAC_ADDR_4, MBED_MAC_ADDR_5);
bogdanm 33:c21b055c45b8 89 #else
emilmont 27:2124eae946f3 90 char mac[6];
emilmont 27:2124eae946f3 91 mbed_mac_address(mac);
emilmont 27:2124eae946f3 92 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 93 #endif
emilmont 27:2124eae946f3 94 }
emilmont 27:2124eae946f3 95
emilmont 14:cec293071eed 96 int EthernetInterface::init() {
emilmont 14:cec293071eed 97 use_dhcp = true;
emilmont 27:2124eae946f3 98 set_mac_address();
emilmont 14:cec293071eed 99 init_netif(NULL, NULL, NULL);
emilmont 15:fd9597f1b81b 100 return 0;
donatien 3:f5776537f27f 101 }
donatien 3:f5776537f27f 102
emilmont 14:cec293071eed 103 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
emilmont 14:cec293071eed 104 use_dhcp = false;
emilmont 27:2124eae946f3 105
emilmont 27:2124eae946f3 106 set_mac_address();
emilmont 26:dd9794ce1d64 107 strcpy(ip_addr, ip);
emilmont 26:dd9794ce1d64 108
emilmont 14:cec293071eed 109 ip_addr_t ip_n, mask_n, gateway_n;
emilmont 14:cec293071eed 110 inet_aton(ip, &ip_n);
emilmont 14:cec293071eed 111 inet_aton(mask, &mask_n);
emilmont 14:cec293071eed 112 inet_aton(gateway, &gateway_n);
emilmont 14:cec293071eed 113 init_netif(&ip_n, &mask_n, &gateway_n);
emilmont 26:dd9794ce1d64 114
emilmont 15:fd9597f1b81b 115 return 0;
donatien 3:f5776537f27f 116 }
donatien 3:f5776537f27f 117
emilmont 21:8cd2de462559 118 int EthernetInterface::connect(unsigned int timeout_ms) {
mbed_official 37:926eb6517318 119 eth_arch_enable_interrupts();
mbed_official 37:926eb6517318 120
emilmont 26:dd9794ce1d64 121 int inited;
emilmont 14:cec293071eed 122 if (use_dhcp) {
mbed_official 37:926eb6517318 123 dhcp_start(&netif);
emilmont 26:dd9794ce1d64 124
emilmont 27:2124eae946f3 125 // Wait for an IP Address
emilmont 26:dd9794ce1d64 126 // -1: error, 0: timeout
emilmont 26:dd9794ce1d64 127 inited = netif_up.wait(timeout_ms);
emilmont 14:cec293071eed 128 } else {
mbed_official 37:926eb6517318 129 netif_set_up(&netif);
emilmont 26:dd9794ce1d64 130
emilmont 26:dd9794ce1d64 131 // Wait for the link up
Ashish_Gupta 55:b74f6491d9dc 132 //inited = netif_linked.wait(timeout_ms);
Ashish_Gupta 55:b74f6491d9dc 133 inited = 1;
emilmont 14:cec293071eed 134 }
emilmont 14:cec293071eed 135
emilmont 21:8cd2de462559 136 return (inited > 0) ? (0) : (-1);
donatien 3:f5776537f27f 137 }
donatien 3:f5776537f27f 138
emilmont 14:cec293071eed 139 int EthernetInterface::disconnect() {
emilmont 14:cec293071eed 140 if (use_dhcp) {
mbed_official 37:926eb6517318 141 dhcp_release(&netif);
mbed_official 37:926eb6517318 142 dhcp_stop(&netif);
emilmont 14:cec293071eed 143 } else {
mbed_official 37:926eb6517318 144 netif_set_down(&netif);
emilmont 14:cec293071eed 145 }
emilmont 14:cec293071eed 146
mbed_official 37:926eb6517318 147 eth_arch_disable_interrupts();
emilmont 14:cec293071eed 148
emilmont 15:fd9597f1b81b 149 return 0;
donatien 3:f5776537f27f 150 }
donatien 3:f5776537f27f 151
emilmont 27:2124eae946f3 152 char* EthernetInterface::getMACAddress() {
emilmont 27:2124eae946f3 153 return mac_addr;
emilmont 27:2124eae946f3 154 }
emilmont 27:2124eae946f3 155
emilmont 14:cec293071eed 156 char* EthernetInterface::getIPAddress() {
emilmont 26:dd9794ce1d64 157 return ip_addr;
emilmont 14:cec293071eed 158 }
mbed_official 35:cba86db5ab96 159
mbed_official 35:cba86db5ab96 160 char* EthernetInterface::getGateway() {
mbed_official 35:cba86db5ab96 161 return gateway;
mbed_official 35:cba86db5ab96 162 }
mbed_official 35:cba86db5ab96 163
mbed_official 35:cba86db5ab96 164 char* EthernetInterface::getNetworkMask() {
mbed_official 35:cba86db5ab96 165 return networkmask;
mbed_official 35:cba86db5ab96 166 }
mbed_official 35:cba86db5ab96 167
mbed_official 35:cba86db5ab96 168