CK Sin / Mbed 2 deprecated Ethernetwebsocket

Ethernetwebsoc

Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/EthernetInterface.cpp@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /* EthernetInterface.cpp */
GordonSin 0:0ed2a7c7190c 2 /* Copyright (C) 2012 mbed.org, MIT License
GordonSin 0:0ed2a7c7190c 3 *
GordonSin 0:0ed2a7c7190c 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
GordonSin 0:0ed2a7c7190c 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
GordonSin 0:0ed2a7c7190c 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
GordonSin 0:0ed2a7c7190c 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
GordonSin 0:0ed2a7c7190c 8 * furnished to do so, subject to the following conditions:
GordonSin 0:0ed2a7c7190c 9 *
GordonSin 0:0ed2a7c7190c 10 * The above copyright notice and this permission notice shall be included in all copies or
GordonSin 0:0ed2a7c7190c 11 * substantial portions of the Software.
GordonSin 0:0ed2a7c7190c 12 *
GordonSin 0:0ed2a7c7190c 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
GordonSin 0:0ed2a7c7190c 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
GordonSin 0:0ed2a7c7190c 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
GordonSin 0:0ed2a7c7190c 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
GordonSin 0:0ed2a7c7190c 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
GordonSin 0:0ed2a7c7190c 18 */
GordonSin 0:0ed2a7c7190c 19 #include "EthernetInterface.h"
GordonSin 0:0ed2a7c7190c 20
GordonSin 0:0ed2a7c7190c 21 #include "lwip/inet.h"
GordonSin 0:0ed2a7c7190c 22 #include "lwip/netif.h"
GordonSin 0:0ed2a7c7190c 23 #include "netif/etharp.h"
GordonSin 0:0ed2a7c7190c 24 #include "lwip/dhcp.h"
GordonSin 0:0ed2a7c7190c 25 #include "arch/lpc17_emac.h"
GordonSin 0:0ed2a7c7190c 26 #include "lpc_phy.h"
GordonSin 0:0ed2a7c7190c 27 #include "lwip/tcpip.h"
GordonSin 0:0ed2a7c7190c 28
GordonSin 0:0ed2a7c7190c 29 #include "mbed.h"
GordonSin 0:0ed2a7c7190c 30
GordonSin 0:0ed2a7c7190c 31 /* TCP/IP and Network Interface Initialisation */
GordonSin 0:0ed2a7c7190c 32 static struct netif lpcNetif;
GordonSin 0:0ed2a7c7190c 33
GordonSin 0:0ed2a7c7190c 34 static Semaphore tcpip_inited(0);
GordonSin 0:0ed2a7c7190c 35 static Semaphore netif_inited(0);
GordonSin 0:0ed2a7c7190c 36
GordonSin 0:0ed2a7c7190c 37 static char ip_addr[16];
GordonSin 0:0ed2a7c7190c 38 static bool connected;
GordonSin 0:0ed2a7c7190c 39 static bool use_dhcp = false;
GordonSin 0:0ed2a7c7190c 40
GordonSin 0:0ed2a7c7190c 41 static void tcpip_init_done(void *arg) {
GordonSin 0:0ed2a7c7190c 42 tcpip_inited.release();
GordonSin 0:0ed2a7c7190c 43 }
GordonSin 0:0ed2a7c7190c 44 static void netif_status_callback(struct netif *netif) {
GordonSin 0:0ed2a7c7190c 45 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
GordonSin 0:0ed2a7c7190c 46 connected = netif_is_up(netif) ? true : false;
GordonSin 0:0ed2a7c7190c 47 netif_inited.release();
GordonSin 0:0ed2a7c7190c 48 }
GordonSin 0:0ed2a7c7190c 49 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
GordonSin 0:0ed2a7c7190c 50 tcpip_init(tcpip_init_done, NULL);
GordonSin 0:0ed2a7c7190c 51 tcpip_inited.wait();
GordonSin 0:0ed2a7c7190c 52
GordonSin 0:0ed2a7c7190c 53 memset((void*) &lpcNetif, 0, sizeof(lpcNetif));
GordonSin 0:0ed2a7c7190c 54 netif_add(&lpcNetif, ipaddr, netmask, gw, NULL, lpc_enetif_init, ethernet_input);
GordonSin 0:0ed2a7c7190c 55 netif_set_default(&lpcNetif);
GordonSin 0:0ed2a7c7190c 56 netif_set_status_callback(&lpcNetif, netif_status_callback);
GordonSin 0:0ed2a7c7190c 57 }
GordonSin 0:0ed2a7c7190c 58
GordonSin 0:0ed2a7c7190c 59 int EthernetInterface::init() {
GordonSin 0:0ed2a7c7190c 60 use_dhcp = true;
GordonSin 0:0ed2a7c7190c 61 init_netif(NULL, NULL, NULL);
GordonSin 0:0ed2a7c7190c 62 return 0;
GordonSin 0:0ed2a7c7190c 63 }
GordonSin 0:0ed2a7c7190c 64
GordonSin 0:0ed2a7c7190c 65 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
GordonSin 0:0ed2a7c7190c 66 use_dhcp = false;
GordonSin 0:0ed2a7c7190c 67 ip_addr_t ip_n, mask_n, gateway_n;
GordonSin 0:0ed2a7c7190c 68 inet_aton(ip, &ip_n);
GordonSin 0:0ed2a7c7190c 69 inet_aton(mask, &mask_n);
GordonSin 0:0ed2a7c7190c 70 inet_aton(gateway, &gateway_n);
GordonSin 0:0ed2a7c7190c 71 init_netif(&ip_n, &mask_n, &gateway_n);
GordonSin 0:0ed2a7c7190c 72 return 0;
GordonSin 0:0ed2a7c7190c 73 }
GordonSin 0:0ed2a7c7190c 74
GordonSin 0:0ed2a7c7190c 75 int EthernetInterface::connect() {
GordonSin 0:0ed2a7c7190c 76 NVIC_SetPriority(ENET_IRQn, ((0x01 << 3) | 0x01));
GordonSin 0:0ed2a7c7190c 77 NVIC_EnableIRQ(ENET_IRQn);
GordonSin 0:0ed2a7c7190c 78
GordonSin 0:0ed2a7c7190c 79 if (use_dhcp) {
GordonSin 0:0ed2a7c7190c 80 dhcp_start(&lpcNetif);
GordonSin 0:0ed2a7c7190c 81 } else {
GordonSin 0:0ed2a7c7190c 82 netif_set_up(&lpcNetif);
GordonSin 0:0ed2a7c7190c 83 }
GordonSin 0:0ed2a7c7190c 84
GordonSin 0:0ed2a7c7190c 85 netif_inited.wait();
GordonSin 0:0ed2a7c7190c 86
GordonSin 0:0ed2a7c7190c 87 return 0;
GordonSin 0:0ed2a7c7190c 88 }
GordonSin 0:0ed2a7c7190c 89
GordonSin 0:0ed2a7c7190c 90 int EthernetInterface::disconnect() {
GordonSin 0:0ed2a7c7190c 91 if (use_dhcp) {
GordonSin 0:0ed2a7c7190c 92 dhcp_release(&lpcNetif);
GordonSin 0:0ed2a7c7190c 93 dhcp_stop(&lpcNetif);
GordonSin 0:0ed2a7c7190c 94 } else {
GordonSin 0:0ed2a7c7190c 95 netif_set_down(&lpcNetif);
GordonSin 0:0ed2a7c7190c 96 }
GordonSin 0:0ed2a7c7190c 97
GordonSin 0:0ed2a7c7190c 98 NVIC_DisableIRQ(ENET_IRQn);
GordonSin 0:0ed2a7c7190c 99
GordonSin 0:0ed2a7c7190c 100 return 0;
GordonSin 0:0ed2a7c7190c 101 }
GordonSin 0:0ed2a7c7190c 102
GordonSin 0:0ed2a7c7190c 103 char* EthernetInterface::getIPAddress() {
GordonSin 0:0ed2a7c7190c 104 return (connected) ? (ip_addr) : (NULL);
GordonSin 0:0ed2a7c7190c 105 }