![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Based on Shigeki KOMATSU program
Dependencies: mbed EthernetNetIf
main.cpp
- Committer:
- nenad
- Date:
- 2011-05-03
- Revision:
- 2:2d3631e15544
- Parent:
- 1:8c2bac2ae93d
File content as of revision 2:2d3631e15544:
#include "mbed.h" #include "EthernetNetIf.h" #include "TCPSocket.h" DigitalOut led4(LED4, "led4"); //EthernetNetIf eth; EthernetNetIf eth( IpAddr(192,168,1,110), //IP Address IpAddr(255,255,255,0), //Network Mask IpAddr(192,168,1,1), //Gateway IpAddr(192,168,1,1) //DNS ); #define TCP_LISTENING_PORT 12345 TCPSocket ListeningSock; TCPSocket* pConnectedSock; // for ConnectedSock Host client; TCPSocketErr err; void onConnectedTCPSocketEvent(TCPSocketEvent e) { switch(e) { case TCPSOCKET_CONNECTED: printf("TCP Socket Connected\r\n"); break; case TCPSOCKET_WRITEABLE: //Can now write some data... //printf("TCP Socket Writable\r\n"); break; case TCPSOCKET_READABLE: //Can now read dome data... //printf("TCP Socket Readable\r\n"); // Read in any available data into the buffer char buff[128]; while ( int len = pConnectedSock->recv(buff, 128) ) { // And send straight back out again pConnectedSock->send(buff, len); buff[len]=0; // make terminater printf("Received from and sent back to client:%s\r\n",buff); } break; case TCPSOCKET_CONTIMEOUT: printf("TCP Socket Timeout\r\n"); break; case TCPSOCKET_CONRST: printf("TCP Socket CONRST\r\n"); break; case TCPSOCKET_CONABRT: printf("TCP Socket CONABRT\r\n"); break; case TCPSOCKET_ERROR: printf("TCP Socket Error\r\n"); break; case TCPSOCKET_DISCONNECTED: //Close socket... printf("TCP Socket Disconnected\r\n"); pConnectedSock->close(); break; default: printf("DEFAULT\r\n"); } } void onListeningTCPSocketEvent(TCPSocketEvent e) { switch(e) { case TCPSOCKET_ACCEPT: printf("Listening: TCP Socket Accepted\r\n"); // Accepts connection from client and gets connected socket. err=ListeningSock.accept(&client, &pConnectedSock); if (err) { printf("onListeningTcpSocketEvent : Could not accept connection.\r\n"); return; //Error in accept, discard connection } // Setup the new socket events pConnectedSock->setOnEvent(&onConnectedTCPSocketEvent); // We can find out from where the connection is coming by looking at the // Host parameter of the accept() method IpAddr clientIp = client.getIp(); printf("Listening: Incoming TCP connection from %d.%d.%d.%d\r\n", clientIp[0], clientIp[1], clientIp[2], clientIp[3]); break; // the following cases will not happen case TCPSOCKET_CONNECTED: printf("Listening: TCP Socket Connected\r\n"); break; case TCPSOCKET_WRITEABLE: printf("Listening: TCP Socket Writable\r\n"); break; case TCPSOCKET_READABLE: printf("Listening: TCP Socket Readable\r\n"); break; case TCPSOCKET_CONTIMEOUT: printf("Listening: TCP Socket Timeout\r\n"); break; case TCPSOCKET_CONRST: printf("Listening: TCP Socket CONRST\r\n"); break; case TCPSOCKET_CONABRT: printf("Listening: TCP Socket CONABRT\r\n"); break; case TCPSOCKET_ERROR: printf("Listening: TCP Socket Error\r\n"); break; case TCPSOCKET_DISCONNECTED: //Close socket... printf("Listening: TCP Socket Disconnected\r\n"); ListeningSock.close(); break; default: printf("DEFAULT\r\n"); }; } int main() { printf("\r\n"); printf("Setting up...\r\n"); EthernetErr ethErr = eth.setup();//initialisation of ethernet stack if(ethErr) { printf("Error %d in setup.\r\n", ethErr); return -1; } printf("Setup OK\r\n"); IpAddr ip = eth.getIp(); printf("mbed IP Address is %d.%d.%d.%d\r\n", ip[0], ip[1], ip[2], ip[3]);//address of server // Set the callbacks for Listening ListeningSock.setOnEvent(&onListeningTCPSocketEvent); // bind and listen on TCP err=ListeningSock.bind(Host(IpAddr(), TCP_LISTENING_PORT)); printf("Binding..\r\n"); if(err) { //Deal with that error... printf("Binding Error\n"); } err=ListeningSock.listen(); // Starts listening printf("Listening...\r\n"); if(err) { printf("Listening Error\r\n"); } Timer tmr; tmr.start(); while(true) { Net::poll(); if(tmr.read() > 4) // sec { led4=!led4; //Show that we are alive tmr.reset(); } } }