/**
 * Constructor for the UARTService.
 * @param _ble an instance of BLEDevice
 * @param rxBufferSize the size of the rxBuffer
 * @param txBufferSize the size of the txBuffer
 *
 * @note defaults to 20
 */
MicroBitUARTService::MicroBitUARTService(BLEDevice &_ble, uint8_t rxBufferSize, uint8_t txBufferSize) : ble(_ble)
{
    rxBufferSize += 1;
    txBufferSize += 1;

    txBuffer = (uint8_t *)malloc(txBufferSize);
    rxBuffer = (uint8_t *)malloc(rxBufferSize);

    rxBufferHead = 0;
    rxBufferTail = 0;
    this->rxBufferSize = rxBufferSize;

    txBufferHead = 0;
    txBufferTail = 0;
    this->txBufferSize = txBufferSize;

    GattCharacteristic rxCharacteristic(UARTServiceRXCharacteristicUUID, rxBuffer, 1, rxBufferSize, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);

    txCharacteristic = new GattCharacteristic(UARTServiceTXCharacteristicUUID, txBuffer, 1, txBufferSize, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE);

    GattCharacteristic *charTable[] = {txCharacteristic, &rxCharacteristic};

    GattService uartService(UARTServiceUUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));

    _ble.addService(uartService);

    this->rxCharacteristicHandle = rxCharacteristic.getValueAttribute().getHandle();

    _ble.gattServer().onDataWritten(this, &MicroBitUARTService::onDataWritten);
    _ble.gattServer().onConfirmationReceived(on_confirmation);
}
Esempio n. 2
0
int main(){
    //pc.wait(1);
    gatt_characteristics[CHARACTERISTIC_LED] =
        new GattCharacteristic(
            nRF51_GATT_CHAR_LED,
            &gatt_char_value[CHARACTERISTIC_LED], 1, 1,
            GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ |
            GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE |
            GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);

    gatt_service = new GattService(nRF51_GATT_SERVICE, gatt_characteristics, CHARACTERISTIC_COUNT);
    //Initialize BLE Device
    ble.init();

    ble.setDeviceName((uint8_t *)DEVICE_NAME);

    // configure our advertising type, payload and interval00
    ble.accumulateAdvertisingPayload(
          GapAdvertisingData::BREDR_NOT_SUPPORTED |
          GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
    ble.accumulateAdvertisingPayload(
          GapAdvertisingData::COMPLETE_LOCAL_NAME,
          (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));

    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
    ble.setAdvertisingInterval(160); // 100ms

    /*
    led1.write(1);
    led3.write(1);
    led2.write(1);
    led4.write(1);
    */
    for(int i=0; i<10; i++)
        pc.printf("Hello World\n");
    ble.onConnection((Gap::ConnectionEventCallback_t)connectionCallback);
    ble.onDisconnection(disconnectionCallback);
    ble.gattServer().onDataWritten(onDataWritten);

    ble.addService(*gatt_service);

    ble.startAdvertising();

    /* Adding below for scanning */
        ble.setScanParams(500 /* scan interval */, 200 /* scan window */);
        ble.startScan(advertisementCallback);
    /**END OF PART FOR SCANNING**/

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