PETRONE / BLE / Protocol / Intro
Modified : 2018.2.13
1. Bluetooth Low Energy(Bluetooth SMART)
PETRONE uses Bluetooth Low Energy(BLE) for wireless connections.
The services and Characteristics used in PETRONE :
| Service | Characteristic | UUID | Direction of data |
|---|---|---|---|
| DRONE_SERVICE | C320DF00-7891-11E5-8BCF-FEFF819CDC9F | ||
| ├ | DRONE_DATA | C320DF01-7891-11E5-8BCF-FEFF819CDC9F | Drone → Application (Notify) |
| └ | DRONE_CONF | C320DF02-7891-11E5-8BCF-FEFF819CDC9F | Application → Drone (Write) |
2. Data transfer structure.
0 |
1 |
2 |
... |
N-1 |
N |
DataType |
Data |
||||
- Fist byte is datatype
- Passing data defined in the first byte (datatype) from the second byte
- Maximum data length is 20byte.
3. Data transfer rules
- Data transfer cycles are recommended for Android 50ms and iOS 100ms
- If request to PETRONE, response that data. Ack response if not. Control commands do not send Ack and any responses.
- If app sends data to the drone, Write DRONE_CONF.
- If drone sends data to the app, Notify DRONE_DATA.