JVS via User IO research time re: #MiSTerFPGA ! This is all ya need right here.pic.twitter.com/bKUQRINnzv
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I thought all you needed is a RS-485 transceiver plus a cheap USB to UART converter, as this kind of inexpensive (<$2) adapters. Si, not User IO port needed really (nor IOBoard, just connect this to the USB-OTG Cable (or to a USB HUB):https://es.aliexpress.com/item/33017179197.html …
Some of us are academics... I don't care for USB transport. I wanna go raw. RS485 was never meant to travel over USB bus. Sure, it CAN, and it works fine. We helped bang out the solution already. Now we are taking a deep dive for artisanal pleasure.
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I understand,but at the end is all a trade off between latency and the available GPIOs you want to expend on the JVS adapter. I see the 7x USER_IO GPIOs too valuable, that’s why I’m suggesting that alternative USB via, you for sure already knew. USB HID is really low latency now.
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"the available GPIOs you want to expend on the JVS adapter" I only need 2 pins, there are plenty available, and the USERIO port is already dedicated to the task. Again, we already have USB RS485 working. We've been using it all month. =] https://github.com/ArcadeHustle/FiSTer-JVS-IO#verified-openjvs-support …pic.twitter.com/KR87dmzPdM
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