File content as of revision 6:850f44146c9f:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2015 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 "BLE.h"

BLE        ble;
DigitalOut led1(LED1);

void periodicCallback(void)
{
    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
}

void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params)
{
    if((params->advertisingData[9] == 0xFE) && (params->advertisingData[10] == 0xFE)) {
        float tempVal = 0;
        printf("Adv peerAddr: [%02x %02x %02x %02x %02x %02x] rssi %d, ScanResp: %u, AdvType: %u\r\n",
               params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
               params->rssi, params->isScanResponse, params->type);
    
        for (unsigned index = 0; index < params->advertisingDataLen; index++) {
            printf("%02x ", params->advertisingData[index]);
        }
        
        memcpy(&tempVal, &params->advertisingData[11], 4); /* temperature value */
        printf("temp is %f\r\n", tempVal);

    }
}

int main(void)
{
    led1 = 1;
    Ticker ticker;
    ticker.attach(periodicCallback, 1);

    ble.init();

    ble.gap().setScanParams(1800 /* scan interval */, 1500 /* scan window */);
    ble.gap().startScan(advertisementCallback);

    while (true) {
        ble.waitForEvent();
    }
}