Hi all, I have been mostly in read-only mode lately, but I keep following interesting developments. Today I encountered something that I thought is worth sharing. https://github.com/GlasgowEmbedded/glasgow is a piece of open hardware that features an FPGA and 16 digital I/O pins with a wide voltage and frequency range (1.8 to 5.5 volts, up to 100 MHz). The cross-platform software (GNU/Linux, Mac OS X, Microsoft Windows) includes a library of protocols, consisting of Python that runs on the host system and some HDL that is synthesized and uploaded to the device. They employ an open FPGA compiler http://www.clifford.at/icestorm/ for that part. Apart from the usual I2C and SPI, they mentioned being able to interface with a floppy drive (I would guess, MFM encoding). The hardware claims to be expandable (you can supposedly chain multiple units together to get more than 16 I/O pins). I am in no way affiliated with this project, and I do not expect to return any time soon to a hobby project where this would be useful, but I thought that people here would be interested. They are collecting crowdfunding at https://www.crowdsupply.com/1bitsquared/glasgow until February 2, 2021. For a few past years, I have been meaning to buy something that would be supported by http://sigrok.org. A fully open stack (including open hardware) ought to have better potential in the long term. Best regards, MarkoReceived on 2020-12-23 18:00:02
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