main.cpp

00001 #include "mbed.h"
00002 #include "WIFIDevice.h"
00003 #include "EthernetInterface.h"
00004  
00005 WIFIDevice wifi;
00006 
00007 uint16_t ECHO_SERVER_PORT = 5222;
00008  
00009 int main(void)
00010 {   
00011     printf("NNN40 init...\n");
00012     wifi.setAccessPoint("NNN40_TTWU", "0123456789", SECURITY_WPA2_TKIP_PSK, 2);      
00013     EthernetInterface eth;
00014     eth.init();
00015     wait(1);
00016    
00017     eth.connect(40000);
00018 
00019     printf("IP Address: %s\n",eth.getIPAddress());       
00020     printf("MAC Address: %s\n",eth.getMACAddress());  
00021     printf("Gateway Address: %s\n",eth.getGateway());       
00022     printf("Network Mask: %s\n",eth.getNetworkMask()); 
00023 
00024     TCPSocketServer server;
00025     server.bind(ECHO_SERVER_PORT);
00026     server.listen();
00027     
00028     while (true) {
00029         printf("\nWait for new connection...\n");
00030         TCPSocketConnection client;
00031         server.accept(client);
00032         client.set_blocking(false, 5000); // Timeout after (5)s
00033         
00034         printf("Connection from: %s\n", client.get_address());
00035         char buffer[256];
00036         while (true) {
00037             int n = client.receive(buffer, sizeof(buffer));
00038             if (n <= 0) break;
00039             
00040             // print received message to terminal
00041             buffer[n] = '\0';
00042             printf("Received message from Client :'%s'\n",buffer);
00043             
00044             // reverse the message
00045             char temp;
00046             for(int f = 0, l = n-1; f<l; f++,l--){
00047                 temp = buffer[f];
00048                 buffer[f] = buffer[l];
00049                 buffer[l] = temp;
00050                 }
00051             
00052             // print reversed message to terminal
00053             printf("Sending message to Client: '%s'\n",buffer);
00054             
00055             // Echo received message back to client
00056             client.send_all(buffer, n);
00057             if (n <= 0) break;
00058         }
00059         
00060         client.close();
00061     }
00062 }