#nmigen on 2021-03-07 — irc logs at whitequark.org

2021-02-27 05:40 whitequark[m] changed the topic of #nmigen to: nMigen hardware description language · code https://github.com/nmigen · logs https://freenode.irclog.whitequark.org/nmigen

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00:45 <_whitenotifier-5> [YoWASP/yosys] whitequark pushed 1 commit to develop [+0/-0/±1] https://git.io/JqTb2

00:45 <_whitenotifier-5> [YoWASP/yosys] whitequark 6703826 - Update dependencies.

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04:00 <agg> as a followup to ecpdap (program ecp5s over jtag using cmsis-dap probes), i've just released spidap, which abuses jtag to access SPI flash from your cmsis-dap probe, handy for ice40 devices: https://crates.io/crates/spidap

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16:32 <d1b2> <4o> what's the nmigen way to write a one-hot controlled mux?

16:47 <d1b2> <4o> i mean the one with arbitrary control width

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17:53 <d1b2> <TomKeddie> I'm in the process of adding a nmigen_boards definition for r1. 0 of butterstick. All the leds on the board are multiplexed, making it hard to know what to do from platform perspective. I think I'm going to have to just declare the pins and leave it to the implementation to use them. The option to tie one of the colour enables high and support the 6 leds in one colour would be nice but this seems too board specific for a new Resource definition, am

17:53 <d1b2> I right?

17:53 <d1b2> <TomKeddie> https://cdn.discordapp.com/attachments/726185180599156796/818179646599725067/unknown.png

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20:08 <GenTooMan> current nmigen only uses python 3.8+ correct?

20:08 <agg> it's tested on 3.6-3.9 and pypy in CI

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21:05 <GenTooMan> bleah I'll have to purge all of nmigen and clean up it looks like sigh

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22:02 <awygle> whitequark[m]: hello! i have been gone but am mostly back, do you still want me to implement that priority primitive?

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22:11 <awygle> (oh maybe you're whitequark again now. either way.)

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23:48 <_whitenotifier-5> [nmigen-boards] TomKeddie opened pull request #146: butterstick: add board defn for r1.0 - https://git.io/Jqkb2

23:56 <_whitenotifier-5> [nmigen-boards] TomKeddie commented on pull request #146: butterstick: add board defn for r1.0 - https://git.io/JqkbH