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I have been taking a look at panelui, however I can not finde any simple an clear example of how to set up a simple demo to get going is there such a thing like an easy to follow example?

I also have hard time to find information  wether the panelui can work in conjuction with a ui like QtDragon or not?

Kind regards/Stefan

I would have brought the JTAG signals out for initial programming of the FPGA and not shared the serial flash signals.
May sound cumbersome but programming only needs to be done once via JTAG, after that mesa flash does the job fine.
I've thought along the lines of Andy that it would be an interesting project.
From my 7c81 clone experience I think there is the possibility of being able to bring out an extra 17 pin port, for a total of 68 io. Tho this would require firmware changes, new custom board name and and such. Also I made some changes to mesa flash and the driver to suit.
One thing I have noted with the RPi5 is that it's more forgiving in relation the SPI cable length and "messiness", IE it will tolerate longer DuPont cables that an RPi4 would. I thought I would just mention this.
Apart from not having the skill to design a board to suit, nor anyone to help during the process is that I like having the boards seperate, just in case my butter fingers cause one the voltage translation chips to blow a smoke valve and damage the PCB. Honestly this is likely to be a rare event.
On the whole good luck and keep us informed. If you have any questions regarding the Linuxcnc image I'm happy to help.

Thank you for your reply. I have read it. My question is whether this encoder is BiSS and uses a standard protocol that can be decoded by LCNC, because I understand that some of these types of encoders use their own protocol.

Please try this configuration to orient with servo step/dir, it works for me.