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| xobs | mithro: I fell off an experience cliff. HDL is obviously not a language type I'm used to planning in. | 00:35 |
|---|---|---|
| mithro | xobs: Well, I'm reworking the usb core right now | 00:35 |
| xobs | Also, still learning all the FHDL primitives. Figuring out things like Memory and buffers. | 00:35 |
| xobs | cr1901_modern: I'm not sure how useful it is upstream. Maybe. It assumes 32 bits, which is true of cpu memory but icebram is more generic. | 00:36 |
| mithro | xobs: I'm moving almost everything into the 12MHz domain | 00:37 |
| xobs | mithro: woo! | 00:37 |
| mithro | and it is surprisingly making a whole bunch of things a *lot* simpler | 00:37 |
| xobs | Also, I moved to vexriscv and timing got a lot simpler, too. 56 MHz, but I don't know what it's optimizing out. | 00:38 |
| xobs | I got ten evt2 boards made that should have just been delivered to the office, so I look forward to trying out what you've got. | 00:53 |
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| xobs | By the way, is anyone interested in my "enter-env.sh" wrapper scripts that spawn bash as a subshell? https://github.com/xobs/litex-buildenv/blob/fomu-evt/enter-env.sh | 03:59 |
| tpb | Title: litex-buildenv/enter-env.sh at fomu-evt · xobs/litex-buildenv · GitHub (at github.com) | 03:59 |
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| mithro | xobs: I've pondered that | 06:17 |
| mithro | xobs: I'll do the tx pathway tomorrow | 06:19 |
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| xobs | Woo, only one critical issue in Fomu EVT2, and it's a silk issue. Just means I need to slide a resistor over on all 10 boards: https://tomu.im/fpga-evt2/ | 09:24 |
| CarlFK | slide a resistor over ? | 09:25 |
| * xobs uploaded an image: image.png (199KB) < https://matrix.org/_matrix/media/v1/download/matrix.org/YzXtsgVQKKGgXwBbXSiQyOgw > | 09:27 | |
| xobs | Somehow I swapped the "R3" and "R13" silk markings. So they populated the pulldown instead of the pullup, which will prevent the FPGA from self-booting. | 09:28 |
| CarlFK | that's a bit different from https://tomu.im/img/tomu-fpga-evt-1-smaller.jpg | 09:33 |
| xobs | Yeah, that's evt1. I should take a photo if the new one. | 09:33 |
| xobs | Maybe someone at CCC will have a lightbox :) | 09:33 |
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| mithro | Merry Xmas for people who are already on the 25th December! | 22:33 |
| mithro | xobs: What is with that weird thing on the USB connector? | 22:34 |
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| mithro | First attempt at new SymbiFlow website -> https://symbiflow.github.io/ | 23:10 |
| tpb | Title: SymbiFlow (at symbiflow.github.io) | 23:10 |
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