Bluetooth LE Generic Access Profile
crc-32 edited this page Sep 16, 2020
·
1 revision
LE Pebbles provide extra data in the GAP (Generic Access Profile) used to advertise the device for pairing etc. alongside the standard fields
| Offset (relative to start of GAP entry) | Definition | Size | Sample Data |
|---|---|---|---|
| 0x00 | GAP Entry Length | 0x01 | 0x16 |
| 0x01 | GAP Entry Type | 0x01 | 0xFF (See here) |
| 0x02 | Vendor | 0x02 | 0x5401 (340 - Pebble Technology) |
| 0x03 | Payload type | 0x01 | 0x00 |
| 0x04 | Serial number | 0x0C | 0x43353034343436413332454E |
| 0x05 (Start of "Extended info") | Hardware platform | 0x01 | 0x0E |
| 0x06 | Color | 0x01 | 0x18 |
| 0x07 | Major | 0x01 | 0x04 |
| 0x08 | Minor | 0x01 | 0x03 |
| 0x09 | Patch | 0x01 | 0x00 |
| 0x09 | Flags | 0x01 | 0x00 |
The last byte contains flags, only two are currently known of:
| Binary mask | Definition |
|---|---|
| 0b00000001 | Running PRF |
| 0b00000010 | First use |
- Pin Assignments
- Snowy Screen
- Assorted IDA Notes
- Pebble Time (Snowy) EXTI and GPIO configuration
- Firmware: Flashing from a computer
- Firmware: Communicating with the bootloader
- Firmware: Update and boot mechanism
- Libraries
- MPUless Pebble
- Pebble Parts and Datasheets
- Firmware Font Format
- Working with Resources
- Bluetooth LE Generic Access Profile
If you'd like anything added here, please contact @ishotjr or @johannesn via the Pebble Dev Discord server