FUZIX on PicoCalc

This repo is a fork of the upstream FUZIX project. It maintains a small patchset that enables FUZIX to boot on a PicoCalc device.

It currently builds and publishes images for the pico2 and pico_w.

The patchset was originally taken from https://github.com/clockworkpi/PicoCalc

Downloads

Download

Installation

Attach a USB cable to the pico
Hold down the bootsel button and power cycle the pico
Copy the fuzix.uf2 to RP mount point

To update the filesystem image on your SD card, you can use dd to put it on the second partition:

$ dd if=filesystem.img of=/dev/sdb2 oflag=direct bs=8192 status=progress

Make sure to change the of to match your device and ensure that you are writing it to the correct device! You will typically need root privileges to perform that dd command.

See the PicoCalc repo for more information

Iterating

I (@wez) am by no means an expert of FUZIX, but I've found the following things useful when iterating on building stuff in here:

You can use picoctl flash to reset into flash mode, which saves some hassle if you want to update the kernel image
To clean and rebuild the kernel image, without cmake over-aggressively caching things, use:

$ make -C Kernel/platform/platform-rpipico/ clean
$ make TARGET=rpipico SUBTARGET=pico2_w diskimage

Customizing your filesystem image

You probably want to echo "stty erase '^?'" > .profile to make delete/backspace work over the serial console
If you add an additional partition to your SD card, you can enable swap on it; the maximum size that can be used is 2048kB; you can create a partition larger than that size, but you can only use 2048kB or 4096 blocks of it. The following command will use that size:

$ swapon /dev/hda3 4096

You can put that command into /etc/rc using levee as an editor; it is similar to vi.

License

wez/FUZIX

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