File content as of revision 1:832e6e27cc49:

/* 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 "BLEDevice.h"

#include "DFUService.h"
#include "UARTService.h"
#include "DeviceInformationService.h"

#define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
                               * it will have an impact on code-size and power consumption. */

#if NEED_CONSOLE_OUTPUT
#define DEBUG(...) { printf(__VA_ARGS__); }
#else
#define DEBUG(...) /* nothing */
#endif /* #if NEED_CONSOLE_OUTPUT */

BLEDevice ble;
UARTService *uartServicePtr;

//const char *deviceName = "DefaultApp";
const char *pcDeviceName = "FOTA4";
const char *pcPing = "f4\n";    // Need "\n" to for BLE to Tx.

void periodicCallback(void)
{
    //DEBUG("ping\r\n");
    DEBUG("p4\n");

    ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t *)pcPing, strlen(pcPing)); // BLE UART = Ping Message
}

void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
{
    //DEBUG("Disconnected!\n\r");
    DEBUG("Disconnected!\n");
    //DEBUG("Restarting the advertising process\n\r");
    DEBUG("Restart Advertising\n");
    ble.startAdvertising();
}

void onDataWritten(const GattCharacteristicWriteCBParams *params)
{
    //if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->txCharacteristic.getValueAttribute().getHandle())) 
    if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) {
        uint16_t bytesRead = params->len;
        DEBUG("BLE-UART Echo Rx[%u]=[%*s]\n", bytesRead, params->len, params->data);
        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead);
    } else {
        DEBUG("Unknown Characteristic Written, Handle:%d\n", params->charHandle);
    }
}

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

    //DEBUG("Initialising BTLE transport\n\r");
    DEBUG("BLE Init\n");
    ble.init();
    ble.onDisconnection(disconnectionCallback);

    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
    //ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)deviceName, strlen(deviceName));
    ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)pcDeviceName, strlen(pcDeviceName));

    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); /* needs to be connectable to allow use of DFUService */
    ble.setAdvertisingInterval(1600); /* 1s; in multiples of 0.625ms. */
    ble.startAdvertising();

    DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1000", "hw-rev1", "fw-rev1");

    /* Enable over-the-air firmware updates. Instantiating DFUSservice introduces a
     * control characteristic which can be used to trigger the application to
     * handover control to a resident bootloader. */
    DFUService dfu(ble);

    /* Setup a BLE service for console output. Redirect stdout to BLE-UART. */
    UARTService uartService(ble);
    uartServicePtr = &uartService;
   //    uartService.retargetStdout(); //PR: Doesn't work with online libs BLE_API and nRF51822 updated 2015Jan23

    for (;;) {
        ble.waitForEvent();
    }
}