Problem to load Pico Little Fs data form IDE 1.8.19 to a Pico 2 W

[AlainF-ing]

I am using RaspberryPi 4 on Fedora 41.
I have a running PICO 2W with /edit fallback using include file (from FSBrowser).
Memory : 1 Mb program and 3 Mb FileSystem
Program is running ok and suceed to format on first run.
I can access the little FS file system, upload single file no problem.
The problem is: I am not able to load all my file using the tool (Pico LittleFs data upload).
It seems like the conversion program from .bin to UF2 produce a file but too large (around 6 Mb)
The binary mklittlefs.bin seems to be ok . I was able to upload this file using httpuploader, all file are now on Pico 2W

What is wrong with conversion ?

Here is my log from Arduino IDE :

`[LittleFS] data : /home/alain/Arduino/EssaisPico/Pico2W/PicoAdss2/data
[LittleFS] size : 3072KB
[LittleFS] page : 256
[LittleFS] block : 4096
/Exemples.htm
/Exemples2.htm
/Graph/Graphique12T.htm
/Graph/Graphique6T.htm
/Graph/Graphique6T2.htm
/Graph/GraphiqueX6.htm
/Graph/VueCapture.htm
/Graph/copier.sh
/MSeuils.htm
/capture.htm
/capture2.htm
/capture2C.htm
/capture_dwl.htm
/config.json
/configCapt.json
/configM.json
/favicon.ico
/freq.htm
/index.htm
/mesuresT2.htm
/param.htm
/paramC.htm
/paramC2.htm
/pins.png
/style.css
/style3C.css
/template.json
/templateEx.json
/mesuresT.htm
[LittleFS] upload : /tmp/arduino_build_363976/PicoAdss2.mklittlefs.bin
[LittleFS] address : 269475840
[LittleFS] swerial : /dev/ttyACM0
[LittleFS] python : /home/alain/.arduino15/packages/rp2040/tools/pqt-python3/1.0.1-base-3a57aed-1/python3
[LittleFS] uploader : /home/alain/.arduino15/packages/rp2040/hardware/rp2040/4.3.1/tools/uf2conv.py

Resetting /dev/ttyACM0
Converting to uf2, output size: 6291456, start address: 0x100fe000
Scanning for RP2040 devices
Flashing /run/media/alain/RP2350 (RP2350)
Wrote 6291456 bytes to /run/media/alain/RP2350/NEW.UF2
Flashing /var/run/media/alain/RP2350 (RP2350)
Wrote 6291456 bytes to /var/run/media/alain/RP2350/NEW.UF2`

[earlephilhower]

That (obsolete) plug in doesn't really support Pico2. There's a whole new UF2 format requirement and build steps needed. You can migrate to the 2.x IDE and use the supported TypeScript uploader I wrote which works on ESP32, ESP8266, Pico, and Pico2, see the repo.

That said, if you're really stuck on the Java 1.8 IDE from a few years back, adding those commands to the java-run build process isn't too complicated. But it's not something I'll be working on.

Also, FWIW, UF2 files are around 2x the size of the actual binary uploaded. They use some magic FAT-format specific sector-sized packets which have a lot of overhead (but are amazingly compatible across different OS uploads!).

[AlainF-ing]

Ok thanks you for quick answer.
My main development kit is based on Raspberry Pi (arm) my editor is Geany compile, upload and monitor is done
using arduino-cli.
For now I have a work around and if needed I will use my window PC to upload the FileSystem using IDE 2.x.

Thanks again for your time
I am impressed by all your work

[earlephilhower]

One other option is to cut-n-paste the command lines from the Windows PC upload and run them on the RPI from bash. I am pretty sure that I dump everything I execute with all parameters (helps my own debugging when people have issues), and as long as you don't have things like spaces or Unicode in your directory names it should be very straightforward. You'll have to maybe update paths to executables and data directories, of course.

[AlainF-ing]

Yes it also work ok to upload the ./data directory on Pico2W.
I used the same memory partition on PC in order to get the proper image parameters like size, adress and offset
Again thank you for your help!