File content as of revision 0:3e2ce2bb50b9:

/* 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 "UARTService.h"
#include "Utils.h"


#define BLE_UART_SEND(STR) { if (uartServicePtr) uartServicePtr->write(STR, strlen(STR)); }


BLEDevice  ble;
DigitalOut led1(LED1);
DigitalIn mybutton(USER_BUTTON);

bool connected = false;

UARTService *uartServicePtr;
 
void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
{
    DEBUG("Disconnected!\n\r");
    DEBUG("Restarting the advertising process\n\r");
    ble.startAdvertising();
    connected = false;
}

void connectionCallback(Gap::Handle_t handle, const Gap::ConnectionParams_t *reason)
{
  DEBUG("Connected\r\n");
  connected = true;
}

void onDataWritten(const GattCharacteristicWriteCBParams *params)
{
    if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) {
        uint16_t bytesRead = params->len;
        DEBUG("received %u bytes\n\r", bytesRead);
        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead);
    }
}
 
void periodicCallback(void)
{
    led1 = !led1;
}
 
int main(void)
{
    led1 = 1;
    Ticker ticker;
    ticker.attach(periodicCallback, 1);
 
    DEBUG("Initialising \n\r");
    ble.init();
    ble.onDisconnection(disconnectionCallback);
    ble.onConnection(connectionCallback);
    ble.onDataWritten(onDataWritten);
 
    /* setup advertising */
    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
    ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1);
    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
 
    ble.setAdvertisingInterval(160);
    ble.startAdvertising();
 
    UARTService uartService(ble);
    uartServicePtr = &uartService;
 
 
    while (true) 
    {
        ble.waitForEvent();
        
        if(connected == true)
        {
            if (mybutton == 0)
            {
                DEBUG("ABCDEFGHIJKLMNOPQRST");
                BLE_UART_SEND("ABCDEFGHIJKLMNOPQRST");

                while(mybutton == 0);
            }
        }
    }
}