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Dependencies:   DataStore JobScheduler NetworkServices W5500Interface nanopb protocol

source/netstack.cpp@2:661c545d718e, 2017-07-13 (annotated)

Committer:
sgnezdov
Date:
Thu Jul 13 20:59:59 2017 +0000
Revision:
2:661c545d718e
Child:
4:b360d4f0bf34
added W5500 network stack

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sgnezdov 2:661c545d718e 1 #include "netstack.h"
sgnezdov 2:661c545d718e 2
sgnezdov 2:661c545d718e 3 #include "mbed-trace/mbed_trace.h"
sgnezdov 2:661c545d718e 4 #define TRACE_GROUP "net"
sgnezdov 2:661c545d718e 5
sgnezdov 2:661c545d718e 6 #include "mbed.h"
sgnezdov 2:661c545d718e 7
sgnezdov 2:661c545d718e 8 #include "W5500Interface.h" // W5500 driver for mbed
sgnezdov 2:661c545d718e 9 #include "DHCPClient.h" // DHCPClient from W5500 driver
sgnezdov 2:661c545d718e 10
sgnezdov 2:661c545d718e 11 #include "nsapi_dns.h" // standard DNS
sgnezdov 2:661c545d718e 12
sgnezdov 2:661c545d718e 13 #define ETH_W5500 1
sgnezdov 2:661c545d718e 14
sgnezdov 2:661c545d718e 15 #if defined(ETH_W5500)
sgnezdov 2:661c545d718e 16 DHCPClient dhcp;
sgnezdov 2:661c545d718e 17 #if defined(TARGET_NUCLEO_L476RG)
sgnezdov 2:661c545d718e 18 SPI spi(PA_7,PA_6,PA_5); // mosi, miso, sclk
sgnezdov 2:661c545d718e 19 W5500Interface eth(&spi, PB_6, NC); // mosi, miso, sclk, cs, reset
sgnezdov 2:661c545d718e 20 #endif
sgnezdov 2:661c545d718e 21 #endif
sgnezdov 2:661c545d718e 22
sgnezdov 2:661c545d718e 23 /* \brief print_MAC - print_MAC - helper function to print out MAC address
sgnezdov 2:661c545d718e 24 * in: network_interface - pointer to network i/f
sgnezdov 2:661c545d718e 25 * bool log-messages print out logs or not
sgnezdov 2:661c545d718e 26 * MAC address is print, if it can be acquired & log_messages is true.
sgnezdov 2:661c545d718e 27 *
sgnezdov 2:661c545d718e 28 */
sgnezdov 2:661c545d718e 29 void print_MAC(NetworkInterface* network_interface) {
sgnezdov 2:661c545d718e 30 const char *mac_addr = network_interface->get_mac_address();
sgnezdov 2:661c545d718e 31 if (mac_addr == NULL) {
sgnezdov 2:661c545d718e 32 tr_debug("No MAC address");
sgnezdov 2:661c545d718e 33 return;
sgnezdov 2:661c545d718e 34 }
sgnezdov 2:661c545d718e 35 tr_debug("MAC: %s", mac_addr);
sgnezdov 2:661c545d718e 36 }
sgnezdov 2:661c545d718e 37
sgnezdov 2:661c545d718e 38 NetworkInterface* initNetworkStack(uint8_t mac_addr[6]) {
sgnezdov 2:661c545d718e 39 NetworkInterface* network_interface = 0;
sgnezdov 2:661c545d718e 40 int connect_success = -1;
sgnezdov 2:661c545d718e 41 /// This should be removed once mbedOS supports proper dual-stack
sgnezdov 2:661c545d718e 42 #if (MBED_CONF_LWIP_IPV6_ENABLED==true)
sgnezdov 2:661c545d718e 43 tr_error("IPv6 mode");
sgnezdov 2:661c545d718e 44 #else
sgnezdov 2:661c545d718e 45 tr_debug("IPv4 mode");
sgnezdov 2:661c545d718e 46 #endif
sgnezdov 2:661c545d718e 47
sgnezdov 2:661c545d718e 48 char ip[24], gateway[24], netmask[24], dnsaddr[24];
sgnezdov 2:661c545d718e 49 #if defined(ETH_W5500)
sgnezdov 2:661c545d718e 50 spi.format(32, 0);
sgnezdov 2:661c545d718e 51 spi.frequency(100000);
sgnezdov 2:661c545d718e 52 wait(1);
sgnezdov 2:661c545d718e 53
sgnezdov 2:661c545d718e 54 tr_debug("Using W5500");
sgnezdov 2:661c545d718e 55 eth.init(mac_addr);
sgnezdov 2:661c545d718e 56 int timeout_ms = 15*1000;
sgnezdov 2:661c545d718e 57 int err = dhcp.setup(&eth, mac_addr, timeout_ms);
sgnezdov 2:661c545d718e 58 if (err == (-1)) {
sgnezdov 2:661c545d718e 59 tr_error("DHCP Timeout.");
sgnezdov 2:661c545d718e 60 return NULL;
sgnezdov 2:661c545d718e 61 }
sgnezdov 2:661c545d718e 62 tr_debug("Connected; IP: %d.%d.%d.%d", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
sgnezdov 2:661c545d718e 63 if (0==dhcp.yiaddr[0] && 0==dhcp.yiaddr[1] && 0==dhcp.yiaddr[2] && 0==dhcp.yiaddr[3]) {
sgnezdov 2:661c545d718e 64 tr_error("IP is 0.0.0.0 after DHCP");
sgnezdov 2:661c545d718e 65 return NULL;
sgnezdov 2:661c545d718e 66 }
sgnezdov 2:661c545d718e 67 sprintf(ip, "%d.%d.%d.%d", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
sgnezdov 2:661c545d718e 68 sprintf(gateway, "%d.%d.%d.%d", dhcp.gateway[0], dhcp.gateway[1], dhcp.gateway[2], dhcp.gateway[3]);
sgnezdov 2:661c545d718e 69 sprintf(netmask, "%d.%d.%d.%d", dhcp.netmask[0], dhcp.netmask[1], dhcp.netmask[2], dhcp.netmask[3]);
sgnezdov 2:661c545d718e 70 sprintf(dnsaddr, "%d.%d.%d.%d", dhcp.dnsaddr[0], dhcp.dnsaddr[1], dhcp.dnsaddr[2], dhcp.dnsaddr[3]);
sgnezdov 2:661c545d718e 71 eth.init(ip, netmask, gateway);
sgnezdov 2:661c545d718e 72 #endif
sgnezdov 2:661c545d718e 73
sgnezdov 2:661c545d718e 74 const SocketAddress dns_sa = SocketAddress((const void *)&dhcp.dnsaddr[0], NSAPI_IPv4, 53);
sgnezdov 2:661c545d718e 75 nsapi_error_t nsErr = nsapi_dns_add_server(dns_sa);
sgnezdov 2:661c545d718e 76 if (nsErr) {
sgnezdov 2:661c545d718e 77 tr_error("error adding DNS entry: %d", nsErr);
sgnezdov 2:661c545d718e 78 return NULL;
sgnezdov 2:661c545d718e 79 }
sgnezdov 2:661c545d718e 80 tr_info("DNS IP: %s", dns_sa.get_ip_address());
sgnezdov 2:661c545d718e 81
sgnezdov 2:661c545d718e 82 // SocketAddress coap_sa;
sgnezdov 2:661c545d718e 83 // nsErr = nsapi_dns_query(&eth, "coap.me", &coap_sa, NSAPI_IPv4);
sgnezdov 2:661c545d718e 84 // if (nsErr) {
sgnezdov 2:661c545d718e 85 // tr_debug("[EasyConnect] error resolving coap.me: %d\n", nsErr);
sgnezdov 2:661c545d718e 86 // }
sgnezdov 2:661c545d718e 87
sgnezdov 2:661c545d718e 88 network_interface = ð
sgnezdov 2:661c545d718e 89 connect_success = eth.connect();
sgnezdov 2:661c545d718e 90
sgnezdov 2:661c545d718e 91 print_MAC(network_interface);
sgnezdov 2:661c545d718e 92 if(connect_success != 0) {
sgnezdov 2:661c545d718e 93 tr_error("Failed to connect: %d!", connect_success);
sgnezdov 2:661c545d718e 94 return NULL;
sgnezdov 2:661c545d718e 95 }
sgnezdov 2:661c545d718e 96 tr_debug("Connected to Network successfully");
sgnezdov 2:661c545d718e 97
sgnezdov 2:661c545d718e 98 const char *ip_addr = network_interface->get_ip_address();
sgnezdov 2:661c545d718e 99 if (ip_addr == NULL) {
sgnezdov 2:661c545d718e 100 tr_error("There is NO IP address");
sgnezdov 2:661c545d718e 101 return NULL;
sgnezdov 2:661c545d718e 102 }
sgnezdov 2:661c545d718e 103 tr_debug("IP: %s", ip_addr);
sgnezdov 2:661c545d718e 104
sgnezdov 2:661c545d718e 105 return network_interface;
sgnezdov 2:661c545d718e 106 }