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Beacon demo for the BLE API using the nRF51822 native mode drivers
Dependencies: BLE_API mbed nRF51822
Fork of BLE_iBeacon by
Diff: main.cpp
- Revision:
- 7:e2bfd5db6713
- Parent:
- 6:26eab6ee6df4
- Child:
- 8:d851d92601b7
diff -r 26eab6ee6df4 -r e2bfd5db6713 main.cpp --- a/main.cpp Tue May 20 18:03:51 2014 +0100 +++ b/main.cpp Tue May 20 18:04:33 2014 +0100 @@ -50,18 +50,37 @@ GapAdvertisingData advData; GapAdvertisingData scanResponse; - /* Define an Beacon payload + /* + * For this demo application, populate the beacon advertisement payload + * with 2 AD structures: FLAG and MSD + * + * Reference: + * Bluetooth Core Specification 4.0 (Vol. 3), Part C, Section 11, 18 + */ + + /* Define an Beacon payload. + + This is the data part of the MSD AdvertisingData structure to be added to + the advertising payload. -------------------------------------------------------------- 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61 Major/Minor = 0000 / 0000 Tx Power = C8 */ - uint8_t beaconPayload[25] = { 0x4C, 0x00, 0x02, 0x15, 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, 0x00, 0x00, 0x00, 0x00, 0xC8 }; + uint8_t beaconPayload[] = { + 0x4C, 0x00, // Company identifier code (0x004C == Apple) + 0x02, // ID + 0x15, // length of the remaining payload + 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID + 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, + 0x00, 0x00, // the major value to differenciate a location + 0x00, 0x00, // the minor value to differenciate a location + 0xC8 // 2's complement of the Tx power (-56dB) + }; /* Make sure we get a clean start */ nrf.reset(); - /* Beacon includes the FLAG and MSD fields */ advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED); advData.addData(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, beaconPayload,