File content as of revision 2:654ee4b3950f:

/* 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 "BLE.h"
#include "battery.h"
#include "WeatherService.h"
#include "BatteryService.h"

BLE        ble;
DigitalOut led1(LED1);
AnalogIn   batteryPin(p1);

const static char     DEVICE_NAME[]        = "Weather Station";
static const uint16_t uuid16_list[] = {
    GattService::UUID_ENVIRONMENTAL_SERVICE, 
    GattService::UUID_BATTERY_SERVICE
};
static volatile bool  triggerSensorPolling = false;

/* Restart Advertising on disconnection*/
void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
{
    ble.gap().startAdvertising();
}

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

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

    ble.init();
    ble.gap().onDisconnection(disconnectionCallback);

    /* Setup weather service. */
    float currentTemperature = 42.22;
    WeatherService weatherService(ble);
    BatteryService batteryService(ble, 0);
    Battery battery(BATTERY_PIN);

    /* setup advertising */
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::UNKNOWN);
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
    ble.gap().setAdvertisingInterval(1000); /* 1000ms */
    ble.gap().startAdvertising();

    while (true) {
        if (triggerSensorPolling && ble.getGapState().connected) {
            triggerSensorPolling = false;

            /* Do blocking calls or whatever is necessary for sensor polling. */
            // error = sensor.readData();
            // if (!error) {
            //     thermometerService.updateTemperature(c);
            // }

            /* In our case, we simply update the dummy temperature measurement. */
            currentTemperature += 0.1;
            weatherService.updateTemperature(currentTemperature);
            weatherService.updatePressure(0);
            weatherService.updateHumidity(0);
            batteryService.updateBatteryLevel(battery.read());
        } else {
            ble.waitForEvent();
        }
    }
}