File system
The P2, Photon 2, and Gen 3 devices (B-Series SoM, Tracker SoM, Boron, Argon, and E404X) implement a POSIX-style file system API to store files on the LittleFS flash file system on the QSPI flash memory on the module.
| Device | Since Device OS | Size |
|---|---|---|
| Tracker SoM | 1.5.4-rc.1 | 4 MB |
| Argon, Boron, B-Series SoM | 2.0.0-rc.1 | 2 MB |
For more detailed information about the file system, see the application note AN035 File System.
Gen 2 Devices (E-Series, Electron, Photon, and P2; does not include E404X):
The File System is not available on Gen 2 devices (Photon, P1, Electron, E-Series except the E404X).