File content as of revision 4:7bab74efae95:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "mbed.h"
#include "cc3000.h"
#include "main.h"

#include "UDPSocket.h"

using namespace mbed_cc3000;

/* cc3000 module declaration specific for user's board. Check also init() */
#if (MY_BOARD == WIGO)
cc3000 wifi(PTA16, PTA13, PTD0, SPI(PTD2, PTD3, PTC5), "ssid", "key", WPA2, false);
Serial pc(USBTX, USBRX);
#elif (MY_BOARD == WIFI_DIPCORTEX)
cc3000 wifi(p28, p27, p30, SPI(p21, p14, p37), "ssid", "key", WPA2, false);
Serial pc(UART_TX, UART_RX);
#elif (MY_BOARD == MBED_BOARD_EXAMPLE)
cc3000 wifi(p9, p10, p8, SPI(p5, p6, p7), "ssid", "key", WPA2, false);
Serial pc(USBTX, USBRX);
#else

#endif

/**
 *  \brief Upd client demo
 *  \param  none
 *  \return int
 */
int main() {
    init(); /* board dependent init */
    pc.baud(115200);

    printf("cc3000 udp client demo.\r\n");
    wifi.init();
    if (wifi.connect() == -1) {
        printf("Failed to connect. Please verify connection details and try again. \r\n");
    } else {
        printf("IP address: %s \r\n", wifi.getIPAddress());
    }
    const char* ECHO_SERVER_ADDRESS = "192.168.1.5";
    const int ECHO_SERVER_PORT = 1500;

    UDPSocket sock;
    sock.init();

    Endpoint echo_server;
    echo_server.set_address(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);

    char out_buffer[] = "Hello World\n";
    sock.sendTo(echo_server, out_buffer, sizeof(out_buffer));

    char in_buffer[256];
    int n = sock.receiveFrom(echo_server, in_buffer, sizeof(in_buffer));

    in_buffer[n] = '\0';
    printf("%s \r\n", in_buffer);

    sock.close();
    printf("Completed. \r\n");
    wifi.disconnect();
}