main.cpp

00001 #include "mbed.h"
00002 #include "EthernetInterface.h"
00003 
00004 #define ECHO_SERVER_PORT   7
00005 
00006 
00007 int main (void) 
00008 {
00009     DigitalOut myled(LED1);
00010     printf("Wait a second...\r\n");
00011     uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x00, 0x01, 0x02}; 
00012     static const char*          mbedIp       = "192.168.64.232";  //IP
00013     static const char*          mbedMask     = "255.255.255.0";  // Mask
00014     static const char*          mbedGateway  = "192.168.64.1";    //Gateway
00015  
00016     EthernetInterface eth;
00017     eth.init(mac_addr, mbedIp, mbedMask, mbedGateway); //Use DHCP
00018     eth.connect();
00019     printf("Server IP Address is %s\r\n", eth.getIPAddress());
00020     
00021     TCPSocketServer server;
00022     server.bind(ECHO_SERVER_PORT);
00023     server.listen();
00024     
00025     while (true) 
00026     {
00027         printf("Wait for new connection...\r\n");
00028         TCPSocketConnection client;
00029         server.accept(client);
00030         client.set_blocking(false, 15000); // Timeout after (1.5)s
00031         
00032         printf("Connection from: %s\r\n", client.get_address());
00033         char buffer[256];
00034         while (true) {
00035             int n = client.receive(buffer, sizeof(buffer));
00036             if (n <= 0) break;
00037             
00038             if(buffer[0]=='Y'){
00039                 myled=1;
00040             }else{
00041                 myled=0;
00042             }
00043             // print received message to terminal
00044             //buffer[n] = '\0';
00045             //printf("Received message from Client :'%s'\r\n",buffer);
00046             
00047             // reverse the message
00048             //char temp;
00049 //            for(int f = 0, l = n-1; f<l; f++,l--){
00050 //                temp = buffer[f];
00051 //                buffer[f] = buffer[l];
00052 //                buffer[l] = temp;
00053 //                }
00054             sprintf(buffer, "Hi Alisha.How are u?");
00055             // print reversed message to terminal
00056             printf("Sending message to Client: '%s'\r\n",buffer);
00057             
00058             // Echo received message back to client
00059             client.send_all(buffer, n);
00060             if (n <= 0) break;
00061         }
00062         
00063         client.close();
00064     }
00065     
00066 }
00067