Storage of Raspberry Pi Pico changed after installing CircuitPython

CircuitPython on hardware including Adafruit's boards, and CircuitPython libraries using Blinka on host computers.

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gndAdafruit
 
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Joined: Wed Dec 29, 2021 4:00 pm

Storage of Raspberry Pi Pico changed after installing CircuitPython

Post by gndAdafruit »

Hello. I was wondering if someone could explain why the storage of my Raspberry Pi Pico changed after converting it to use CircuitPython instead of MicroPython. I used the file install from Adafruit to do this as this looked like the best way to convert my small board to use CircuitPython.
https://learn.adafruit.com/getting-star ... cuitpython

These are the file storage screenshots I took of it before and after installation.
The before storage: 134MB
The after storage: 1.0MB
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After installing CircuitPython
After installing CircuitPython
Screenshot from 2022-11-22 08-50-10.png (75.64 KiB) Viewed 43 times
Before installing CircuitPython
Before installing CircuitPython
Screenshot from 2022-11-22 08-48-46.png (69.5 KiB) Viewed 43 times

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danhalbert
 
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Re: Storage of Raspberry Pi Pico changed after installing CircuitPython

Post by danhalbert »

The RPI-RP2 drive is a "fake" drive used only to load UF2 files. It is presented by the bootloader ROM code and does not reflect actual available storage. CircuitPython creates the CIRCUITPY drive, which uses part of the on-board flash. MicroPython also uses part of the flash for a drive, but does not expose that filesystem as a USB drive (e.g., PYFLASH, seen on other boards such as the PyBoard).

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