Timothy Beight / Mbed 2 deprecated 6_songs-from-the-cloud

This is a fork due to permission issues

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of 6_songs-from-the-cloud by MakingMusicWorkshop

mbed-client/EthernetInterface/EthernetInterface.cpp@0:f7c60d3e7b8a, 2016-05-18 (annotated)

Committer:
maclobdell
Date:
Wed May 18 19:06:32 2016 +0000
Revision:
0:f7c60d3e7b8a
clean version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:f7c60d3e7b8a 1 /* EthernetInterface.cpp */
maclobdell 0:f7c60d3e7b8a 2 /* Copyright (C) 2012 mbed.org, MIT License
maclobdell 0:f7c60d3e7b8a 3 *
maclobdell 0:f7c60d3e7b8a 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
maclobdell 0:f7c60d3e7b8a 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
maclobdell 0:f7c60d3e7b8a 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
maclobdell 0:f7c60d3e7b8a 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
maclobdell 0:f7c60d3e7b8a 8 * furnished to do so, subject to the following conditions:
maclobdell 0:f7c60d3e7b8a 9 *
maclobdell 0:f7c60d3e7b8a 10 * The above copyright notice and this permission notice shall be included in all copies or
maclobdell 0:f7c60d3e7b8a 11 * substantial portions of the Software.
maclobdell 0:f7c60d3e7b8a 12 *
maclobdell 0:f7c60d3e7b8a 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
maclobdell 0:f7c60d3e7b8a 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
maclobdell 0:f7c60d3e7b8a 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
maclobdell 0:f7c60d3e7b8a 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
maclobdell 0:f7c60d3e7b8a 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
maclobdell 0:f7c60d3e7b8a 18 */
maclobdell 0:f7c60d3e7b8a 19 #include "EthernetInterface.h"
maclobdell 0:f7c60d3e7b8a 20
maclobdell 0:f7c60d3e7b8a 21 #include "lwip/inet.h"
maclobdell 0:f7c60d3e7b8a 22 #include "lwip/netif.h"
maclobdell 0:f7c60d3e7b8a 23 #include "netif/etharp.h"
maclobdell 0:f7c60d3e7b8a 24 #include "lwip/dhcp.h"
maclobdell 0:f7c60d3e7b8a 25 #include "eth_arch.h"
maclobdell 0:f7c60d3e7b8a 26 #include "lwip/tcpip.h"
maclobdell 0:f7c60d3e7b8a 27
maclobdell 0:f7c60d3e7b8a 28 #include "mbed.h"
maclobdell 0:f7c60d3e7b8a 29
maclobdell 0:f7c60d3e7b8a 30 /* TCP/IP and Network Interface Initialisation */
maclobdell 0:f7c60d3e7b8a 31 static struct netif netif;
maclobdell 0:f7c60d3e7b8a 32
maclobdell 0:f7c60d3e7b8a 33 static char mac_addr[19];
maclobdell 0:f7c60d3e7b8a 34 static char ip_addr[17] = "\0";
maclobdell 0:f7c60d3e7b8a 35 static char gateway[17] = "\0";
maclobdell 0:f7c60d3e7b8a 36 static char networkmask[17] = "\0";
maclobdell 0:f7c60d3e7b8a 37 static bool use_dhcp = false;
maclobdell 0:f7c60d3e7b8a 38
maclobdell 0:f7c60d3e7b8a 39 static Semaphore tcpip_inited(0);
maclobdell 0:f7c60d3e7b8a 40 static Semaphore netif_linked(0);
maclobdell 0:f7c60d3e7b8a 41 static Semaphore netif_up(0);
maclobdell 0:f7c60d3e7b8a 42
maclobdell 0:f7c60d3e7b8a 43 static void tcpip_init_done(void *arg) {
maclobdell 0:f7c60d3e7b8a 44 tcpip_inited.release();
maclobdell 0:f7c60d3e7b8a 45 }
maclobdell 0:f7c60d3e7b8a 46
maclobdell 0:f7c60d3e7b8a 47 static void netif_link_callback(struct netif *netif) {
maclobdell 0:f7c60d3e7b8a 48 if (netif_is_link_up(netif)) {
maclobdell 0:f7c60d3e7b8a 49 netif_linked.release();
maclobdell 0:f7c60d3e7b8a 50 }
maclobdell 0:f7c60d3e7b8a 51 }
maclobdell 0:f7c60d3e7b8a 52
maclobdell 0:f7c60d3e7b8a 53 static void netif_status_callback(struct netif *netif) {
maclobdell 0:f7c60d3e7b8a 54 if (netif_is_up(netif)) {
maclobdell 0:f7c60d3e7b8a 55 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
maclobdell 0:f7c60d3e7b8a 56 strcpy(gateway, inet_ntoa(netif->gw));
maclobdell 0:f7c60d3e7b8a 57 strcpy(networkmask, inet_ntoa(netif->netmask));
maclobdell 0:f7c60d3e7b8a 58 netif_up.release();
maclobdell 0:f7c60d3e7b8a 59 }
maclobdell 0:f7c60d3e7b8a 60 }
maclobdell 0:f7c60d3e7b8a 61
maclobdell 0:f7c60d3e7b8a 62 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
maclobdell 0:f7c60d3e7b8a 63 tcpip_init(tcpip_init_done, NULL);
maclobdell 0:f7c60d3e7b8a 64 tcpip_inited.wait();
maclobdell 0:f7c60d3e7b8a 65
maclobdell 0:f7c60d3e7b8a 66 memset((void*) &netif, 0, sizeof(netif));
maclobdell 0:f7c60d3e7b8a 67 netif_add(&netif, ipaddr, netmask, gw, NULL, eth_arch_enetif_init, tcpip_input);
maclobdell 0:f7c60d3e7b8a 68 netif_set_default(&netif);
maclobdell 0:f7c60d3e7b8a 69
maclobdell 0:f7c60d3e7b8a 70 netif_set_link_callback (&netif, netif_link_callback);
maclobdell 0:f7c60d3e7b8a 71 netif_set_status_callback(&netif, netif_status_callback);
maclobdell 0:f7c60d3e7b8a 72 }
maclobdell 0:f7c60d3e7b8a 73
maclobdell 0:f7c60d3e7b8a 74 static void set_mac_address(void) {
maclobdell 0:f7c60d3e7b8a 75 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
maclobdell 0:f7c60d3e7b8a 76 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", MBED_MAC_ADDR_0, MBED_MAC_ADDR_1, MBED_MAC_ADDR_2,
maclobdell 0:f7c60d3e7b8a 77 MBED_MAC_ADDR_3, MBED_MAC_ADDR_4, MBED_MAC_ADDR_5);
maclobdell 0:f7c60d3e7b8a 78 #else
maclobdell 0:f7c60d3e7b8a 79 char mac[6];
maclobdell 0:f7c60d3e7b8a 80 mbed_mac_address(mac);
maclobdell 0:f7c60d3e7b8a 81 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
maclobdell 0:f7c60d3e7b8a 82 #endif
maclobdell 0:f7c60d3e7b8a 83 }
maclobdell 0:f7c60d3e7b8a 84
maclobdell 0:f7c60d3e7b8a 85 int EthernetInterface::init() {
maclobdell 0:f7c60d3e7b8a 86 use_dhcp = true;
maclobdell 0:f7c60d3e7b8a 87 set_mac_address();
maclobdell 0:f7c60d3e7b8a 88 init_netif(NULL, NULL, NULL);
maclobdell 0:f7c60d3e7b8a 89 return 0;
maclobdell 0:f7c60d3e7b8a 90 }
maclobdell 0:f7c60d3e7b8a 91
maclobdell 0:f7c60d3e7b8a 92 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
maclobdell 0:f7c60d3e7b8a 93 use_dhcp = false;
maclobdell 0:f7c60d3e7b8a 94
maclobdell 0:f7c60d3e7b8a 95 set_mac_address();
maclobdell 0:f7c60d3e7b8a 96 strcpy(ip_addr, ip);
maclobdell 0:f7c60d3e7b8a 97
maclobdell 0:f7c60d3e7b8a 98 ip_addr_t ip_n, mask_n, gateway_n;
maclobdell 0:f7c60d3e7b8a 99 inet_aton(ip, &ip_n);
maclobdell 0:f7c60d3e7b8a 100 inet_aton(mask, &mask_n);
maclobdell 0:f7c60d3e7b8a 101 inet_aton(gateway, &gateway_n);
maclobdell 0:f7c60d3e7b8a 102 init_netif(&ip_n, &mask_n, &gateway_n);
maclobdell 0:f7c60d3e7b8a 103
maclobdell 0:f7c60d3e7b8a 104 return 0;
maclobdell 0:f7c60d3e7b8a 105 }
maclobdell 0:f7c60d3e7b8a 106
maclobdell 0:f7c60d3e7b8a 107 int EthernetInterface::connect(unsigned int timeout_ms) {
maclobdell 0:f7c60d3e7b8a 108 eth_arch_enable_interrupts();
maclobdell 0:f7c60d3e7b8a 109
maclobdell 0:f7c60d3e7b8a 110 int inited;
maclobdell 0:f7c60d3e7b8a 111 if (use_dhcp) {
maclobdell 0:f7c60d3e7b8a 112 dhcp_start(&netif);
maclobdell 0:f7c60d3e7b8a 113
maclobdell 0:f7c60d3e7b8a 114 // Wait for an IP Address
maclobdell 0:f7c60d3e7b8a 115 // -1: error, 0: timeout
maclobdell 0:f7c60d3e7b8a 116 inited = netif_up.wait(timeout_ms);
maclobdell 0:f7c60d3e7b8a 117 } else {
maclobdell 0:f7c60d3e7b8a 118 netif_set_up(&netif);
maclobdell 0:f7c60d3e7b8a 119
maclobdell 0:f7c60d3e7b8a 120 // Wait for the link up
maclobdell 0:f7c60d3e7b8a 121 inited = netif_linked.wait(timeout_ms);
maclobdell 0:f7c60d3e7b8a 122 }
maclobdell 0:f7c60d3e7b8a 123
maclobdell 0:f7c60d3e7b8a 124 return (inited > 0) ? (0) : (-1);
maclobdell 0:f7c60d3e7b8a 125 }
maclobdell 0:f7c60d3e7b8a 126
maclobdell 0:f7c60d3e7b8a 127 int EthernetInterface::disconnect() {
maclobdell 0:f7c60d3e7b8a 128 if (use_dhcp) {
maclobdell 0:f7c60d3e7b8a 129 dhcp_release(&netif);
maclobdell 0:f7c60d3e7b8a 130 dhcp_stop(&netif);
maclobdell 0:f7c60d3e7b8a 131 } else {
maclobdell 0:f7c60d3e7b8a 132 netif_set_down(&netif);
maclobdell 0:f7c60d3e7b8a 133 }
maclobdell 0:f7c60d3e7b8a 134
maclobdell 0:f7c60d3e7b8a 135 eth_arch_disable_interrupts();
maclobdell 0:f7c60d3e7b8a 136
maclobdell 0:f7c60d3e7b8a 137 return 0;
maclobdell 0:f7c60d3e7b8a 138 }
maclobdell 0:f7c60d3e7b8a 139
maclobdell 0:f7c60d3e7b8a 140 char* EthernetInterface::getMACAddress() {
maclobdell 0:f7c60d3e7b8a 141 return mac_addr;
maclobdell 0:f7c60d3e7b8a 142 }
maclobdell 0:f7c60d3e7b8a 143
maclobdell 0:f7c60d3e7b8a 144 char* EthernetInterface::getIPAddress() {
maclobdell 0:f7c60d3e7b8a 145 return ip_addr;
maclobdell 0:f7c60d3e7b8a 146 }
maclobdell 0:f7c60d3e7b8a 147
maclobdell 0:f7c60d3e7b8a 148 char* EthernetInterface::getGateway() {
maclobdell 0:f7c60d3e7b8a 149 return gateway;
maclobdell 0:f7c60d3e7b8a 150 }
maclobdell 0:f7c60d3e7b8a 151
maclobdell 0:f7c60d3e7b8a 152 char* EthernetInterface::getNetworkMask() {
maclobdell 0:f7c60d3e7b8a 153 return networkmask;
maclobdell 0:f7c60d3e7b8a 154 }
maclobdell 0:f7c60d3e7b8a 155
maclobdell 0:f7c60d3e7b8a 156