Beacon demo for the BLE API using the nRF51822 native mode drivers
Dependencies: BLE_API mbed nRF51822 X_NUCLEO_IDB0XA1
Fork of BLE_iBeacon by
main.cpp@50:7bc38f01d2d3, 2014-12-08 (annotated)
- Committer:
- mbedAustin
- Date:
- Mon Dec 08 22:27:49 2014 +0000
- Revision:
- 50:7bc38f01d2d3
- Parent:
- 48:2f0f293a4966
- Child:
- 53:f9ec2c7a47f5
Added comments to iBeacon structure for clarity.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ktownsend | 0:7613d21e5974 | 1 | /* mbed Microcontroller Library |
ktownsend | 0:7613d21e5974 | 2 | * Copyright (c) 2006-2013 ARM Limited |
ktownsend | 0:7613d21e5974 | 3 | * |
ktownsend | 0:7613d21e5974 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
ktownsend | 0:7613d21e5974 | 5 | * you may not use this file except in compliance with the License. |
ktownsend | 0:7613d21e5974 | 6 | * You may obtain a copy of the License at |
ktownsend | 0:7613d21e5974 | 7 | * |
ktownsend | 0:7613d21e5974 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
ktownsend | 0:7613d21e5974 | 9 | * |
ktownsend | 0:7613d21e5974 | 10 | * Unless required by applicable law or agreed to in writing, software |
ktownsend | 0:7613d21e5974 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
ktownsend | 0:7613d21e5974 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
ktownsend | 0:7613d21e5974 | 13 | * See the License for the specific language governing permissions and |
ktownsend | 0:7613d21e5974 | 14 | * limitations under the License. |
ktownsend | 0:7613d21e5974 | 15 | */ |
ktownsend | 0:7613d21e5974 | 16 | |
ktownsend | 0:7613d21e5974 | 17 | #include "mbed.h" |
Rohit Grover |
32:7b7093b653a8 | 18 | #include "BLEDevice.h" |
ktownsend | 0:7613d21e5974 | 19 | |
mbedAustin | 50:7bc38f01d2d3 | 20 | /** |
Rohit Grover |
10:391c1acf4b9d | 21 | * For this demo application, populate the beacon advertisement payload |
Rohit Grover |
15:4e1b36b73213 | 22 | * with 2 AD structures: FLAG and MSD (manufacturer specific data). |
Rohit Grover |
10:391c1acf4b9d | 23 | * |
Rohit Grover |
10:391c1acf4b9d | 24 | * Reference: |
Rohit Grover |
10:391c1acf4b9d | 25 | * Bluetooth Core Specification 4.0 (Vol. 3), Part C, Section 11, 18 |
Rohit Grover |
10:391c1acf4b9d | 26 | */ |
ktownsend | 0:7613d21e5974 | 27 | |
mbedAustin | 50:7bc38f01d2d3 | 28 | BLEDevice ble; |
mbedAustin | 50:7bc38f01d2d3 | 29 | |
mbedAustin | 50:7bc38f01d2d3 | 30 | /** |
mbedAustin | 50:7bc38f01d2d3 | 31 | * The Beacon payload (encapsulated within the MSD advertising data structure) |
mbedAustin | 50:7bc38f01d2d3 | 32 | * has the following composition: |
mbedAustin | 50:7bc38f01d2d3 | 33 | * 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61 |
mbedAustin | 50:7bc38f01d2d3 | 34 | * Major/Minor = 0000 / 0000 |
mbedAustin | 50:7bc38f01d2d3 | 35 | * Tx Power = C8 (-56dB) |
mbedAustin | 50:7bc38f01d2d3 | 36 | */ |
mbedAustin | 50:7bc38f01d2d3 | 37 | const static uint8_t iBeaconPayload[] = { |
mbedAustin | 50:7bc38f01d2d3 | 38 | 0x4C, 0x00, // Company identifier code (0x004C == Apple) |
mbedAustin | 50:7bc38f01d2d3 | 39 | 0x02, // ID |
mbedAustin | 50:7bc38f01d2d3 | 40 | 0x15, // length of the remaining payload |
mbedAustin | 50:7bc38f01d2d3 | 41 | 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // location UUID |
mbedAustin | 50:7bc38f01d2d3 | 42 | 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, |
mbedAustin | 50:7bc38f01d2d3 | 43 | 0x00, 0x00, // the major value to differentiate a location |
mbedAustin | 50:7bc38f01d2d3 | 44 | 0x00, 0x00, // the minor value to differentiate a location |
mbedAustin | 50:7bc38f01d2d3 | 45 | 0xC8 // 2's complement of the Tx power (-56dB) |
mbedAustin | 50:7bc38f01d2d3 | 46 | }; |
Rohit Grover |
10:391c1acf4b9d | 47 | |
ktownsend | 0:7613d21e5974 | 48 | int main(void) |
ktownsend | 0:7613d21e5974 | 49 | { |
mbedAustin | 50:7bc38f01d2d3 | 50 | /* Initialize BLE baselayer */ |
Rohit Grover |
11:6774f4827024 | 51 | ble.init(); |
mbedAustin | 50:7bc38f01d2d3 | 52 | |
mbedAustin | 50:7bc38f01d2d3 | 53 | /* Set up iBeacon data*/ |
mbedAustin | 50:7bc38f01d2d3 | 54 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE ); |
mbedAustin | 50:7bc38f01d2d3 | 55 | ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, iBeaconPayload, sizeof(iBeaconPayload)); |
mbedAustin | 50:7bc38f01d2d3 | 56 | |
mbedAustin | 50:7bc38f01d2d3 | 57 | /* Set advertising interval. Longer interval = longer battery life */ |
Rohit Grover |
20:5e84b5b253a5 | 58 | ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
mbedAustin | 50:7bc38f01d2d3 | 59 | ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ |
Rohit Grover |
19:869d8c7306b4 | 60 | ble.startAdvertising(); |
ktownsend | 0:7613d21e5974 | 61 | |
Rohit Grover |
21:a61af863b273 | 62 | for (;;) { |
mbedAustin | 50:7bc38f01d2d3 | 63 | ble.waitForEvent(); |
ktownsend | 0:7613d21e5974 | 64 | } |
Rohit Grover |
10:391c1acf4b9d | 65 | } |