PX4 SD Card Layout
The PX4 SD Card is used for storing configuration files, flight logs, mission information etc.
We recommend that you format the SD Card as FAT32 before first use with PX4.
The directory structure/layout is shown below.
| Directory/File(s) | Description |
|---|---|
| /etc/ | Extra config (+ mixers). See System Startup > Replacing the System Startup. |
| /etc/mixers/ | Mixers |
| /log/ | Full flight logs |
| /mission_log/ | Reduced flight logs |
| /fw/ | UAVCAN firmware |
| /uavcan.db/ | UAVCAN DB + logs |
| /params | Parameters (if not in FRAM/FLASH) |
| /dataman | Mission storage file |
| /fault_ |
Hardfault files |
| /bootlog.txt | Boot log file |