File content as of revision 6:0d838d564181:

#include "mbed.h"
#include "SPWFInterface.h"
#include "TCPSocket.h"

//------------------------------------
// Hyperterminal configuration
// 9600 bauds, 8-bit data, no parity
//------------------------------------

Serial pc(SERIAL_TX, SERIAL_RX);
 
DigitalOut myled(LED1);

SpwfSAInterface spwf(PA_9, PA_10, PC_12, PC_8, PA_12, true);
TCPSocket tcp_(&spwf);    
    
int main() {
    int32_t err;    
    char * ssid = "STM";
    char * seckey = "STMdemoPWD";
    char * data = "Hello World!\r\n";
    uint32_t len = strlen(data);
    
    pc.printf("\r\nX-NUCLEO-IDW01M1 mbed Application\r\n");     
    pc.printf("\r\n[APP] connecting to AP\r\n");
            
    err = spwf.connect(ssid, seckey, NS_SECURITY_WPA);
    if(err!=0)
    {
        pc.printf("\r\n[APP] error connecting to AP.\r\n");
        return -1;
    }
    
    pc.printf("\r\n[APP] now connected\r\n");
            
    const char *ip = spwf.getIPAddress();
    const char *mac = spwf.getMACAddress();
    
    pc.printf("\r\n[APP] IP Address is: %s\r\n", (ip) ? ip : "No IP");
    pc.printf("\r\n[APP] MAC Address is: %s\r\n", (mac) ? mac : "No MAC");
    
    pc.printf("\r\n[APP] opening socket\r\n");
          
    err = tcp_.open("time-d.nist.gov", 37);
            
    if(err==0)
    {                
        pc.printf("\r\n[APP] socket open OK\r\n");
        pc.printf("\r\n[APP] hostname resolved to: %s\r\n", tcp_.getIPAddress());
        
        err = tcp_.send(data, len);
        
        if(err == 0)
            pc.printf("\r\n[APP] socket send OK\r\n");
        else
            pc.printf("\r\n[APP] socket send error\r\n");
        
        char received[4];
        int32_t size = 0;
        pc.printf("\r\n[APP] waiting for data recv\r\n");
        size = tcp_.recv(received, sizeof(received));
        if(size==0) 
            pc.printf("\r\n[APP] Receive error.");
        else
            pc.printf("\r\n[APP] Received: %ld bytes, 0x%02x 0x%02x 0x%02x 0x%02x\r\n", size, received[0], received[1], received[2], received[3]);
    }            
    else 
        pc.printf("\r\n[APP] socket open Error\r\n");
                
    while(1) { 
      wait(1);
      myled = !myled;
    }
}