File content as of revision 21:8d35c362b325:

//DIRECTORY: ./main.cpp

//**@code **********************//
// TODO: add ADV on and off flag
#define ADV_ON 1
#define ADV_OFF 0
//**@endcode *******************//


//**@code **********************//
// TODO: constants, used for iBeacon UUID(MSB first), Major, Minor and txpower setting
const uint8_t  iBeaconProximityUUIDraw[] = {
    0x01, 0xD9, 0xC8, 0x00, 0x45, 0xF3, 0x40, 0x24, 0x93, 0xB0, 0xB0, 0xCD, 0x4A, 0x50, 0x2A, 0xF7
}; // 01D9C800-45F3-4024-93B0-B0CD4A502AF7 use this UUID including dashes in mobile application
const UUID iBeaconProximityUUID(iBeaconProximityUUIDraw);
const int16_t iBeaconMajor = 1234;
const int16_t iBeaconMinor = 5678;
// lvl : Pwr@ 1m : Pwr@ 0m
//  0  :   -90   :   -49 
//  1  :   -78   :   -37
//  2  :   -74   :   -33
//  3  :   -69   :   -28 
//  4  :   -66   :   -25 
//  5  :   -61   :   -20 
//  6  :   -56   :   -15 
//  7  :   -51   :   -10
const int8_t CALIBRATED_POWERS[] = {-49, -37, -33, -28, -25, -20, -15, -10};
//**@endcode *******************//


//**@code **********************//
// TODO: global data and functions
char eddystoneURL[] = "https://www.bluetooth.com";
uint8_t advertising = 0;
uint8_t tx_power_level = 6;
BLE_BEACON_TYPE beacon_type = BEACON_TYPE_EDDYSTONE; // BEACON_TYPE_EDDYSTONE, BEACON_TYPE_IBEACON, BEACON_TYPE_NONE
//**@endcode *******************//


//**@code **********************//
// TODO: functions, startAdvertising and stopAdvertising 
void startAdvertising() {
    switch(beacon_type)
    {
        case BEACON_TYPE_EDDYSTONE:
            uBit.bleManager.advertiseEddystoneUrl(eddystoneURL, CALIBRATED_POWERS[tx_power_level - 1], false);
            uBit.display.print("E");
            pcCom.printf("eddystone\r\n");
            break;
            //
        case BEACON_TYPE_IBEACON:
            uBit.bleManager.advertiseIBeacon(iBeaconProximityUUID, iBeaconMajor, iBeaconMinor, CALIBRATED_POWERS[0]);
            uBit.display.print("i");
            pcCom.printf("iBeacon\r\n");
            break;
            //
        case BEACON_TYPE_NONE:
        default:
            pcCom.printf("unknow\r\n");
            break;
    }
    uBit.bleManager.setTransmitPower(tx_power_level);
    advertising = 1;
}

void stopAdvertising() {
    pcCom.printf("ADV OFF\r\n");
    uBit.bleManager.stopAdvertising();
    advertising = 0;
}
//**@endcode *******************//



//**@code **********************//
// TODO: functions, used for ButtonA and ButtonB interrupt callbacks
void onButtonA(MicroBitEvent)
{
    // toggle advertising
    switch(advertising)
    {
        case 0:
            pcCom.printf("ADV ON ");
            uBit.display.scroll("ON");
            startAdvertising();
            break;
        case 1:
            pcCom.printf("ADV OFF");
            stopAdvertising();
            uBit.display.scroll("OFF");
            break;
        default:
            break;
    }
}
 
void onButtonB(MicroBitEvent)
{
    // ButtonB is used to toggle beacon types, switch beacons types 
    // between iBeacon and Eddystone. 
    stopAdvertising();
    switch(beacon_type)
    {
        case BEACON_TYPE_EDDYSTONE:
            beacon_type = BEACON_TYPE_IBEACON;
            break;
        case BEACON_TYPE_IBEACON:
            beacon_type = BEACON_TYPE_EDDYSTONE;
            break;
        case BEACON_TYPE_NONE:
        default:
            beacon_type = BEACON_TYPE_EDDYSTONE;
            break;
   }
   startAdvertising();
}
//**@endcode *******************//


//**@code **********************//
// TODO: Register the interrupt and callback for ButtonA and ButtonB
uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_CLICK, onButtonA);
uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_CLICK, onButtonB);
//**@endcode *******************//    
    
    
//**@code **********************//
// TODO: First Advertisment, adv name only
uBit.bleManager.advertise();  
//**@endcode *******************//