
Mecrisp-Ice for the Fomu PVT.

https://tomu.im/fomu.html

This target contains an USB-CDC implementation by ulixxe published under MIT license:

https://github.com/ulixxe/usb_cdc

To flash the bitstream:

dfu-util -e  -D j1a.dfu

To restart the bitstream already in FOMU:

dfu-util -e -d 1209:5bf0

Finally, open your favourite terminal on /dev/ttyACM0:

picocom -b 115200 /dev/ttyACM0 --imap lfcrlf,crcrlf --omap delbs,crlf --send-cmd "cat"
