File content as of revision 10:6e02ef811ea3:

/*************************************************************
  Blynk is a platform with iOS and Android apps to control
  Arduino, Raspberry Pi and the likes over the Internet.
  You can easily build graphic interfaces for all your
  projects by simply dragging and dropping widgets.

    Downloads, docs, tutorials: http://www.blynk.cc
    Sketch generator:           http://examples.blynk.cc
    Blynk community:            http://community.blynk.cc
    Follow us:                  http://www.fb.com/blynkapp
                                http://twitter.com/blynk_app

  Blynk library is licensed under MIT license
  This example code is in public domain.

 *************************************************************
  This example shows how to use RedBearLab BLE Nano
  to connect your project to Blynk.

  Warning: Bluetooth support is in beta!

 *************************************************************/
#include <mbed.h>
Serial pc(USBTX, USBRX);

// TODO: these defines are included as a workaround.
// I'm investigating further.
#define BLYNK_NO_INFO
#define BLYNK_USE_DIRECT_CONNECT
// end of workaround

//#define BLYNK_DEBUG
#define BLYNK_PRINT pc

#include <BlynkSimpleRedBearLab_BLE_Nano.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "YourAuthToken";

uint8_t device_name[] = "Blynk";

void setup() {
  ble.init();

  ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
  ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
                                        device_name, sizeof(device_name) - 1);
                                        
  ble.gap().setDeviceName(device_name);
  ble.gap().setTxPower(4);
  
  // Add Blynk service...
  Blynk.begin(auth);

  ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
  ble.gap().setAdvertisingInterval(Gap::MSEC_TO_GAP_DURATION_UNITS(1000));
  ble.gap().setAdvertisingTimeout(0);
  ble.startAdvertising();

  printf("Waiting for connections...\n");
}

void loop() {
    ble.waitForEvent();
    Blynk.run();
}

int main(void) {
    setup();

    while(1) {
        loop();
    }
}