Julian Higginson / Mbed 2 deprecated FXOS8700CQ_To_Azure_IoT

WIP. send a large constant string twice a second, in order to test out the transport with something indicative of our required load.

Dependencies:   FXOS8700CQ NTPClient azure_umqtt_c iothub_mqtt_transport mbed-rtos mbed wolfSSL Socket lwip-eth lwip-sys lwip

Fork of FXOS8700CQ_To_Azure_IoT by Mark Radbourne

EthernetInterface/EthernetInterface.cpp@3:c0556ff7b8e3, 2016-12-08 (annotated)

Committer:
markrad
Date:
Thu Dec 08 00:11:40 2016 +0000
Revision:
3:c0556ff7b8e3
Hack the code to get restart working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 3:c0556ff7b8e3 1 /* EthernetInterface.cpp */
markrad 3:c0556ff7b8e3 2 /* Copyright (C) 2012 mbed.org, MIT License
markrad 3:c0556ff7b8e3 3 *
markrad 3:c0556ff7b8e3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
markrad 3:c0556ff7b8e3 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
markrad 3:c0556ff7b8e3 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
markrad 3:c0556ff7b8e3 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
markrad 3:c0556ff7b8e3 8 * furnished to do so, subject to the following conditions:
markrad 3:c0556ff7b8e3 9 *
markrad 3:c0556ff7b8e3 10 * The above copyright notice and this permission notice shall be included in all copies or
markrad 3:c0556ff7b8e3 11 * substantial portions of the Software.
markrad 3:c0556ff7b8e3 12 *
markrad 3:c0556ff7b8e3 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
markrad 3:c0556ff7b8e3 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
markrad 3:c0556ff7b8e3 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
markrad 3:c0556ff7b8e3 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
markrad 3:c0556ff7b8e3 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
markrad 3:c0556ff7b8e3 18 */
markrad 3:c0556ff7b8e3 19 #include "EthernetInterface.h"
markrad 3:c0556ff7b8e3 20
markrad 3:c0556ff7b8e3 21 #include "lwip/inet.h"
markrad 3:c0556ff7b8e3 22 #include "lwip/netif.h"
markrad 3:c0556ff7b8e3 23 #include "netif/etharp.h"
markrad 3:c0556ff7b8e3 24 #include "lwip/dhcp.h"
markrad 3:c0556ff7b8e3 25 #include "eth_arch.h"
markrad 3:c0556ff7b8e3 26 #include "lwip/tcpip.h"
markrad 3:c0556ff7b8e3 27
markrad 3:c0556ff7b8e3 28 #include "mbed.h"
markrad 3:c0556ff7b8e3 29
markrad 3:c0556ff7b8e3 30 /* TCP/IP and Network Interface Initialisation */
markrad 3:c0556ff7b8e3 31 static struct netif netif;
markrad 3:c0556ff7b8e3 32
markrad 3:c0556ff7b8e3 33 static char mac_addr[19];
markrad 3:c0556ff7b8e3 34 static char ip_addr[17] = "\0";
markrad 3:c0556ff7b8e3 35 static char gateway[17] = "\0";
markrad 3:c0556ff7b8e3 36 static char networkmask[17] = "\0";
markrad 3:c0556ff7b8e3 37 static bool use_dhcp = false;
markrad 3:c0556ff7b8e3 38
markrad 3:c0556ff7b8e3 39 static Semaphore tcpip_inited(0);
markrad 3:c0556ff7b8e3 40 static Semaphore netif_linked(0);
markrad 3:c0556ff7b8e3 41 static Semaphore netif_up(0);
markrad 3:c0556ff7b8e3 42
markrad 3:c0556ff7b8e3 43 static void tcpip_init_done(void *arg) {
markrad 3:c0556ff7b8e3 44 tcpip_inited.release();
markrad 3:c0556ff7b8e3 45 }
markrad 3:c0556ff7b8e3 46
markrad 3:c0556ff7b8e3 47 static void netif_link_callback(struct netif *netif) {
markrad 3:c0556ff7b8e3 48 if (netif_is_link_up(netif)) {
markrad 3:c0556ff7b8e3 49 netif_linked.release();
markrad 3:c0556ff7b8e3 50 netif_up.release();
markrad 3:c0556ff7b8e3 51 printf("netif_link_callback: link is up\r\n");
markrad 3:c0556ff7b8e3 52 }
markrad 3:c0556ff7b8e3 53 else {
markrad 3:c0556ff7b8e3 54 printf("netif_link_callback: link is down\r\n");
markrad 3:c0556ff7b8e3 55 }
markrad 3:c0556ff7b8e3 56 }
markrad 3:c0556ff7b8e3 57
markrad 3:c0556ff7b8e3 58 static void netif_status_callback(struct netif *netif) {
markrad 3:c0556ff7b8e3 59 if (netif_is_up(netif)) {
markrad 3:c0556ff7b8e3 60 strcpy(ip_addr, inet_ntoa(netif->ip_addr));
markrad 3:c0556ff7b8e3 61 strcpy(gateway, inet_ntoa(netif->gw));
markrad 3:c0556ff7b8e3 62 strcpy(networkmask, inet_ntoa(netif->netmask));
markrad 3:c0556ff7b8e3 63 netif_up.release();
markrad 3:c0556ff7b8e3 64 printf("netif_status_callback: link is up\r\n");
markrad 3:c0556ff7b8e3 65 }
markrad 3:c0556ff7b8e3 66 else {
markrad 3:c0556ff7b8e3 67 printf("netif_status_callback: link is down\r\n");
markrad 3:c0556ff7b8e3 68 }
markrad 3:c0556ff7b8e3 69 }
markrad 3:c0556ff7b8e3 70
markrad 3:c0556ff7b8e3 71 static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
markrad 3:c0556ff7b8e3 72 static bool tcpip_initialized = false;
markrad 3:c0556ff7b8e3 73
markrad 3:c0556ff7b8e3 74 if (!tcpip_initialized) {
markrad 3:c0556ff7b8e3 75 printf("tcpip_init\r\n");
markrad 3:c0556ff7b8e3 76 tcpip_init(tcpip_init_done, NULL);
markrad 3:c0556ff7b8e3 77 printf("waiting...\r\n");
markrad 3:c0556ff7b8e3 78 tcpip_inited.wait();
markrad 3:c0556ff7b8e3 79 tcpip_initialized = true;
markrad 3:c0556ff7b8e3 80 }
markrad 3:c0556ff7b8e3 81
markrad 3:c0556ff7b8e3 82 memset((void*) &netif, 0, sizeof(netif));
markrad 3:c0556ff7b8e3 83 printf("netif_add\r\n");
markrad 3:c0556ff7b8e3 84
markrad 3:c0556ff7b8e3 85 if (NULL == netif_add(&netif, ipaddr, netmask, gw, NULL, eth_arch_enetif_init, tcpip_input))
markrad 3:c0556ff7b8e3 86 printf("netif_add failed\r\n");
markrad 3:c0556ff7b8e3 87
markrad 3:c0556ff7b8e3 88 printf("netif_set_default\r\n");
markrad 3:c0556ff7b8e3 89 netif_set_default(&netif);
markrad 3:c0556ff7b8e3 90
markrad 3:c0556ff7b8e3 91 printf("netif_set_link_callback\r\n");
markrad 3:c0556ff7b8e3 92 netif_set_link_callback (&netif, netif_link_callback);
markrad 3:c0556ff7b8e3 93 printf("netif_set_status_callback\r\n");
markrad 3:c0556ff7b8e3 94 netif_set_status_callback(&netif, netif_status_callback);
markrad 3:c0556ff7b8e3 95 }
markrad 3:c0556ff7b8e3 96
markrad 3:c0556ff7b8e3 97 static void set_mac_address(void) {
markrad 3:c0556ff7b8e3 98 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
markrad 3:c0556ff7b8e3 99 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", MBED_MAC_ADDR_0, MBED_MAC_ADDR_1, MBED_MAC_ADDR_2,
markrad 3:c0556ff7b8e3 100 MBED_MAC_ADDR_3, MBED_MAC_ADDR_4, MBED_MAC_ADDR_5);
markrad 3:c0556ff7b8e3 101 #else
markrad 3:c0556ff7b8e3 102 char mac[6];
markrad 3:c0556ff7b8e3 103 mbed_mac_address(mac);
markrad 3:c0556ff7b8e3 104 snprintf(mac_addr, 19, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
markrad 3:c0556ff7b8e3 105 #endif
markrad 3:c0556ff7b8e3 106 }
markrad 3:c0556ff7b8e3 107
markrad 3:c0556ff7b8e3 108 int EthernetInterface::init() {
markrad 3:c0556ff7b8e3 109 use_dhcp = true;
markrad 3:c0556ff7b8e3 110 set_mac_address();
markrad 3:c0556ff7b8e3 111 init_netif(NULL, NULL, NULL);
markrad 3:c0556ff7b8e3 112 return 0;
markrad 3:c0556ff7b8e3 113 }
markrad 3:c0556ff7b8e3 114
markrad 3:c0556ff7b8e3 115 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
markrad 3:c0556ff7b8e3 116 use_dhcp = false;
markrad 3:c0556ff7b8e3 117
markrad 3:c0556ff7b8e3 118 set_mac_address();
markrad 3:c0556ff7b8e3 119 strcpy(ip_addr, ip);
markrad 3:c0556ff7b8e3 120
markrad 3:c0556ff7b8e3 121 ip_addr_t ip_n, mask_n, gateway_n;
markrad 3:c0556ff7b8e3 122 inet_aton(ip, &ip_n);
markrad 3:c0556ff7b8e3 123 inet_aton(mask, &mask_n);
markrad 3:c0556ff7b8e3 124 inet_aton(gateway, &gateway_n);
markrad 3:c0556ff7b8e3 125 init_netif(&ip_n, &mask_n, &gateway_n);
markrad 3:c0556ff7b8e3 126
markrad 3:c0556ff7b8e3 127 return 0;
markrad 3:c0556ff7b8e3 128 }
markrad 3:c0556ff7b8e3 129
markrad 3:c0556ff7b8e3 130 int EthernetInterface::connect(unsigned int timeout_ms) {
markrad 3:c0556ff7b8e3 131 eth_arch_enable_interrupts();
markrad 3:c0556ff7b8e3 132
markrad 3:c0556ff7b8e3 133 int inited;
markrad 3:c0556ff7b8e3 134 if (use_dhcp) {
markrad 3:c0556ff7b8e3 135 printf("dhcp_start\r\n");
markrad 3:c0556ff7b8e3 136 dhcp_start(&netif);
markrad 3:c0556ff7b8e3 137
markrad 3:c0556ff7b8e3 138 // Wait for an IP Address
markrad 3:c0556ff7b8e3 139 // -1: error, 0: timeout
markrad 3:c0556ff7b8e3 140 printf("netif_up.wait\r\n");
markrad 3:c0556ff7b8e3 141 inited = netif_up.wait(timeout_ms);
markrad 3:c0556ff7b8e3 142 } else {
markrad 3:c0556ff7b8e3 143 netif_set_up(&netif);
markrad 3:c0556ff7b8e3 144
markrad 3:c0556ff7b8e3 145 // Wait for the link up
markrad 3:c0556ff7b8e3 146 inited = netif_linked.wait(timeout_ms);
markrad 3:c0556ff7b8e3 147 }
markrad 3:c0556ff7b8e3 148
markrad 3:c0556ff7b8e3 149 return (inited > 0) ? (0) : (-1);
markrad 3:c0556ff7b8e3 150 }
markrad 3:c0556ff7b8e3 151
markrad 3:c0556ff7b8e3 152 int EthernetInterface::disconnect() {
markrad 3:c0556ff7b8e3 153 if (use_dhcp) {
markrad 3:c0556ff7b8e3 154 dhcp_release(&netif);
markrad 3:c0556ff7b8e3 155 dhcp_stop(&netif);
markrad 3:c0556ff7b8e3 156 } else {
markrad 3:c0556ff7b8e3 157 netif_set_down(&netif);
markrad 3:c0556ff7b8e3 158 }
markrad 3:c0556ff7b8e3 159
markrad 3:c0556ff7b8e3 160 eth_arch_disable_interrupts();
markrad 3:c0556ff7b8e3 161
markrad 3:c0556ff7b8e3 162 return 0;
markrad 3:c0556ff7b8e3 163 }
markrad 3:c0556ff7b8e3 164
markrad 3:c0556ff7b8e3 165 char* EthernetInterface::getMACAddress() {
markrad 3:c0556ff7b8e3 166 return mac_addr;
markrad 3:c0556ff7b8e3 167 }
markrad 3:c0556ff7b8e3 168
markrad 3:c0556ff7b8e3 169 char* EthernetInterface::getIPAddress() {
markrad 3:c0556ff7b8e3 170 return ip_addr;
markrad 3:c0556ff7b8e3 171 }
markrad 3:c0556ff7b8e3 172
markrad 3:c0556ff7b8e3 173 char* EthernetInterface::getGateway() {
markrad 3:c0556ff7b8e3 174 return gateway;
markrad 3:c0556ff7b8e3 175 }
markrad 3:c0556ff7b8e3 176
markrad 3:c0556ff7b8e3 177 char* EthernetInterface::getNetworkMask() {
markrad 3:c0556ff7b8e3 178 return networkmask;
markrad 3:c0556ff7b8e3 179 }
markrad 3:c0556ff7b8e3 180
markrad 3:c0556ff7b8e3 181