Heartbeat messages
| Common header | Data | Data | Data |
|---|---|---|---|
| Byte 0-4 | Byte 5 | Byte 6-8 | Byte 9-11 |
| Header with Type=0x05 | Cause | FW version | BLE FW version |
Cause: Last MCU reset cause
- 0x00- Default value, no reset was done on the tracker
- 0x01- Power-On Reset
- 0x02- Brown-Out Unregulated Domain Reset
- 0x04- Brown-Out Regulated Domain Reset
- 0x08- External Pin Reset
- 0x10- Watchdog Reset
- 0x20- Lockup Reset
- 0x40- System Request (application) Reset
FW version: MCU application Firmware version on the device,
- Byte 6: Firmware major version
- Byte 7: Firmware minor revision
- Byte 8: Firmware iteration
BLE FW version: BLE Firmware version on the device,
- Byte 9: Firmware major version
- Byte 10: Firmware minor revision
- Byte 11: Firmware iteration
Note
The fields Major, Minor and Revision are encoded in the firmware version as follows: Major.Minor-Iteration. Example:2.1-0 is coded as 0x020100