WIZnet / WIZnetInterface-OS5 Featured

For mbed OS-5 version for WIZnet Ethernet Interface, this is Library using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.

Dependents:   ledMapperTest

Warning

  • If you want to use existing codes, you need to change the class used as EthernetInterface to WIZnetInterface.

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.

https://developer.mbed.org/media/cache/platforms/WIZwiki_W7500_enabled.JPG.250x250_q85.jpg

https://developer.mbed.org/media/cache/platforms/WIZwiki_W7500P_enabled2.JPG.250x250_q85.jpg

https://developer.mbed.org/media/cache/platforms/WIZwiki_W7500ECO_enabled2.JPG.250x250_q85.jpg

https://developer.mbed.org/media/cache/components/components/fetch.phpmediaoshw5500_ethernet_shieldw5500_main_picture2.png.200x200_q85.jpg

This library is an Ethernet Interface library port-based on [EthernetInterface](https://developer.mbed.org/users/mbed_official/code/EthernetInterface/docs/tip/).

For more detail, visit http://embeddist.blogspot.kr/2015/06/wiznetinterface-for-armmbed.html

Socket/TCPSocketServer.cpp@0:d4c8fe4d9b29, 2017-09-04 (annotated)

Committer:
justinkim
Date:
Mon Sep 04 00:23:04 2017 +0000
Revision:
0:d4c8fe4d9b29
mbed OS 5 version migration...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
justinkim 0:d4c8fe4d9b29 1 /* Copyright (C) 2012 mbed.org, MIT License
justinkim 0:d4c8fe4d9b29 2 *
justinkim 0:d4c8fe4d9b29 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
justinkim 0:d4c8fe4d9b29 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
justinkim 0:d4c8fe4d9b29 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
justinkim 0:d4c8fe4d9b29 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
justinkim 0:d4c8fe4d9b29 7 * furnished to do so, subject to the following conditions:
justinkim 0:d4c8fe4d9b29 8 *
justinkim 0:d4c8fe4d9b29 9 * The above copyright notice and this permission notice shall be included in all copies or
justinkim 0:d4c8fe4d9b29 10 * substantial portions of the Software.
justinkim 0:d4c8fe4d9b29 11 *
justinkim 0:d4c8fe4d9b29 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
justinkim 0:d4c8fe4d9b29 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
justinkim 0:d4c8fe4d9b29 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
justinkim 0:d4c8fe4d9b29 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
justinkim 0:d4c8fe4d9b29 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
justinkim 0:d4c8fe4d9b29 17 */
justinkim 0:d4c8fe4d9b29 18
justinkim 0:d4c8fe4d9b29 19 #include "TCPSocketServer.h"
justinkim 0:d4c8fe4d9b29 20
justinkim 0:d4c8fe4d9b29 21 TCPSocketServer::TCPSocketServer() {}
justinkim 0:d4c8fe4d9b29 22
justinkim 0:d4c8fe4d9b29 23 // Server initialization
justinkim 0:d4c8fe4d9b29 24 int TCPSocketServer::bind(int port)
justinkim 0:d4c8fe4d9b29 25 {
justinkim 0:d4c8fe4d9b29 26 // set the listen_port for next connection.
justinkim 0:d4c8fe4d9b29 27 listen_port = port;
justinkim 0:d4c8fe4d9b29 28 if (_sock_fd < 0) {
justinkim 0:d4c8fe4d9b29 29 _sock_fd = eth->new_socket();
justinkim 0:d4c8fe4d9b29 30 if (_sock_fd < 0) {
justinkim 0:d4c8fe4d9b29 31 return -1;
justinkim 0:d4c8fe4d9b29 32 }
justinkim 0:d4c8fe4d9b29 33 }
justinkim 0:d4c8fe4d9b29 34 // set TCP protocol
justinkim 0:d4c8fe4d9b29 35 eth->setProtocol(_sock_fd, WIZnet_Chip::TCP);
justinkim 0:d4c8fe4d9b29 36 // set local port
justinkim 0:d4c8fe4d9b29 37 eth->sreg<uint16_t>(_sock_fd, Sn_PORT, port);
justinkim 0:d4c8fe4d9b29 38 // connect the network
justinkim 0:d4c8fe4d9b29 39 eth->scmd(_sock_fd, WIZnet_Chip::OPEN);
justinkim 0:d4c8fe4d9b29 40 return 0;
justinkim 0:d4c8fe4d9b29 41 }
justinkim 0:d4c8fe4d9b29 42
justinkim 0:d4c8fe4d9b29 43 int TCPSocketServer::listen(int backlog)
justinkim 0:d4c8fe4d9b29 44 {
justinkim 0:d4c8fe4d9b29 45 if (_sock_fd < 0) {
justinkim 0:d4c8fe4d9b29 46 return -1;
justinkim 0:d4c8fe4d9b29 47 }
justinkim 0:d4c8fe4d9b29 48 if (backlog != 1) {
justinkim 0:d4c8fe4d9b29 49 return -1;
justinkim 0:d4c8fe4d9b29 50 }
justinkim 0:d4c8fe4d9b29 51 eth->scmd(_sock_fd, WIZnet_Chip::LISTEN);
justinkim 0:d4c8fe4d9b29 52 return 0;
justinkim 0:d4c8fe4d9b29 53 }
justinkim 0:d4c8fe4d9b29 54
justinkim 0:d4c8fe4d9b29 55
justinkim 0:d4c8fe4d9b29 56 int TCPSocketServer::accept(TCPSocketConnection& connection)
justinkim 0:d4c8fe4d9b29 57 {
justinkim 0:d4c8fe4d9b29 58 if (_sock_fd < 0) {
justinkim 0:d4c8fe4d9b29 59 return -1;
justinkim 0:d4c8fe4d9b29 60 }
justinkim 0:d4c8fe4d9b29 61 Timer t;
justinkim 0:d4c8fe4d9b29 62 t.reset();
justinkim 0:d4c8fe4d9b29 63 t.start();
justinkim 0:d4c8fe4d9b29 64 while(1) {
justinkim 0:d4c8fe4d9b29 65 if (t.read_ms() > _timeout && _blocking == false) {
justinkim 0:d4c8fe4d9b29 66 return -1;
justinkim 0:d4c8fe4d9b29 67 }
justinkim 0:d4c8fe4d9b29 68 if (eth->sreg<uint8_t>(_sock_fd, Sn_SR) == WIZnet_Chip::SOCK_ESTABLISHED) {
justinkim 0:d4c8fe4d9b29 69 break;
justinkim 0:d4c8fe4d9b29 70 }
justinkim 0:d4c8fe4d9b29 71 }
justinkim 0:d4c8fe4d9b29 72 uint32_t ip = eth->sreg<uint32_t>(_sock_fd, Sn_DIPR);
justinkim 0:d4c8fe4d9b29 73 char host[16];
justinkim 0:d4c8fe4d9b29 74 snprintf(host, sizeof(host), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
justinkim 0:d4c8fe4d9b29 75 uint16_t port = eth->sreg<uint16_t>(_sock_fd, Sn_DPORT);
justinkim 0:d4c8fe4d9b29 76
justinkim 0:d4c8fe4d9b29 77 // change this server socket to connection socket.
justinkim 0:d4c8fe4d9b29 78 connection._sock_fd = _sock_fd;
justinkim 0:d4c8fe4d9b29 79 connection._is_connected = true;
justinkim 0:d4c8fe4d9b29 80 connection.set_address(host, port);
justinkim 0:d4c8fe4d9b29 81
justinkim 0:d4c8fe4d9b29 82 // and then, for the next connection, server socket should be assigned new one.
justinkim 0:d4c8fe4d9b29 83 _sock_fd = -1; // want to assign new available _sock_fd.
justinkim 0:d4c8fe4d9b29 84 if(bind(listen_port) < 0) {
justinkim 0:d4c8fe4d9b29 85 // modified by Patrick Pollet
justinkim 0:d4c8fe4d9b29 86 error("No more socket for listening, bind error");
justinkim 0:d4c8fe4d9b29 87 return -1;
justinkim 0:d4c8fe4d9b29 88 } else {
justinkim 0:d4c8fe4d9b29 89 //return -1;
justinkim 0:d4c8fe4d9b29 90 if(listen(1) < 0) {
justinkim 0:d4c8fe4d9b29 91 // modified by Patrick Pollet
justinkim 0:d4c8fe4d9b29 92 error("No more socket for listening, listen error");
justinkim 0:d4c8fe4d9b29 93 return -1;
justinkim 0:d4c8fe4d9b29 94 }
justinkim 0:d4c8fe4d9b29 95 }
justinkim 0:d4c8fe4d9b29 96
justinkim 0:d4c8fe4d9b29 97 return 0;
justinkim 0:d4c8fe4d9b29 98 }