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| shenki | mithro: pong | 02:21 |
|---|---|---|
| shenki | mithro: what were you printing for hte minispartan? | 02:21 |
| shenki | mithro: looks like a box? | 02:22 |
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| mithro | shenki: https://plus.google.com/+TimAnsell/posts/9BVq3AHdMED | 03:58 |
| shenki | mithro: nice! i should print one too | 04:04 |
| shenki | mithro: NameError: name 'LiteEthMAC' is not defined | 05:52 |
| shenki | mithro: what am i missing? | 05:52 |
| shenki | LiteEthMAC of course. but where do i get that from? | 05:52 |
| mithro | shenki: I'm not sure what you are doing :P | 05:52 |
| mithro | I assume attempting to play with the misoc based firmware? | 05:52 |
| shenki | mithro: yeah, trying to build it | 05:53 |
| shenki | mithro: using the instructions in the repo | 05:53 |
| mithro | have you got migen+misoc up and running first? | 05:53 |
| shenki | mithro: i think so? how do i tell? | 05:53 |
| mithro | shenki: Followed the setup instructions at https://github.com/m-labs/misoc first? | 05:54 |
| tpb | Title: m-labs/misoc · GitHub (at github.com) | 05:54 |
| shenki | mithro: yeah, ive got misoc and migen downloaded. i built and installed migen | 05:54 |
| shenki | mithro: i don't have my hardware with me | 05:54 |
| mithro | shenki: oh - use the Makefile rather than the instructions in the README.md | 05:56 |
| mithro | shenki: updated the README slightly | 06:00 |
| mithro | shenki: Working with migen+misoc was pretty fun over the weekend | 06:06 |
| mithro | shenki: my biggest concerns are | 06:06 |
| shenki | mithro: what were you working on? | 06:06 |
| mithro | Replicating _florent_'s work on building an alternative HDMI2USB firmware | 06:07 |
| mithro | shenki: and getting stuff ready for the production prototype bring up | 06:26 |
| shenki | mithro: cool | 06:28 |
| shenki | mithro: are you going to use the misoc version for bringup? | 06:28 |
| mithro | shenki: maybe | 06:36 |
| mithro | shenki: I'm just doing too many things at once, like normal :P | 06:36 |
| shenki | mithro: :D | 06:36 |
| shenki | mithro: hows the production prototype coming along? | 06:37 |
| mithro | shenki: I'm hoping they'll ship me two this week | 06:37 |
| shenki | mithro: sweet | 06:38 |
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| shenki | mithro: do you have misoc stuff that targets the minispartan? | 07:07 |
| mithro | shenki: _florent_ does | 07:07 |
| shenki | mithro: okay | 07:08 |
| mithro | shenki: https://github.com/enjoy-digital/scarab-soc | 07:08 |
| tpb | Title: enjoy-digital/scarab-soc · GitHub (at github.com) | 07:08 |
| shenki | mithro: the design in the repo doesn't meet timing | 07:08 |
| mithro | shenki: log issues on the github repo | 07:11 |
| shenki | mithro: ok | 07:16 |
| mithro | Oh, I didn't end up iterating my concerns with misoc/migen - but I need to do work | 07:21 |
| shenki | mithro: go do work :) we can chat later | 07:21 |
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| mithro | hey _florent_ | 11:31 |
| _florent_ | hi | 11:31 |
| mithro | hey tija | 11:32 |
| tija | mithro: hi! | 11:32 |
| mithro | tija: _florent_ is working on doing a misoc/migen based version of the HDMI2USB firmware | 11:33 |
| mithro | tija: see https://github.com/timvideos/HDMI2USB-misoc-firmware | 11:34 |
| tpb | Title: timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 11:34 |
| mithro | _florent_: oh, if an issue on the repo is assigned to me, don't worry about it | 11:34 |
| _florent_ | ok, I just wanted you to be aware that it's still experimental and I'm aware there are some issues | 11:35 |
| mithro | _florent_: yeah, totally understand | 11:36 |
| _florent_ | I'm just wanting to get things working, I'll cleanup and do optimization later | 11:36 |
| _florent_ | IIRC correctly, someone did some optimization on the jpeg encoder, is there some doc on that work somewhere? | 11:39 |
| mithro | _florent_: tija worked on that but we didn't end up needing to actually optimize the jpeg encoder, just the data flow in and our IIRC | 11:39 |
| _florent_ | ok thanks | 11:42 |
| mithro | _florent_: he was required to blog about it | 11:42 |
| _florent_ | do you have a link? | 11:42 |
| mithro | yeah, just finding it now | 11:42 |
| mithro | http://ajitmathewgsoc.blogspot.com.au/2014/08/gsoc-final-report.html | 11:42 |
| tpb | Title: TimVideo GSoC 2014: MJPEG Optimisation: GSOC Final Report (at ajitmathewgsoc.blogspot.com.au) | 11:42 |
| mithro | http://ajitmathewgsoc.blogspot.com.au/2014/05/as-it-turns-out-jpeg-encoder-works-at.html | 11:44 |
| tpb | Title: TimVideo GSoC 2014: MJPEG Optimisation (at ajitmathewgsoc.blogspot.com.au) | 11:44 |
| tija | _florent_: If you don't want to know the internals of the encoder, I can help you with the top level function which kicks off the encoder. | 11:45 |
| tija | If you want to treat the encoder as black box, all you need is this: https://github.com/timvideos/HDMI2USB/blob/master/hdl/jpeg_encoder/jpeg_encoder_top.vhd | 11:46 |
| tpb | Title: HDMI2USB/jpeg_encoder_top.vhd at master · timvideos/HDMI2USB · GitHub (at github.com) | 11:46 |
| _florent_ | thanks | 11:46 |
| _florent_ | yes I'm aware, I already replaced this by software | 11:46 |
| _florent_ | https://github.com/timvideos/HDMI2USB-misoc-firmware/blob/master/firmware/encoder.c | 11:47 |
| tpb | Title: HDMI2USB-misoc-firmware/encoder.c at master · timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 11:47 |
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| mithro | _florent_: are you using the verilog or vhdl version? | 11:47 |
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| _florent_ | vhdl, it seems the verilog version was not tested on hardware (I'm not able to synthetize it) | 11:48 |
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| mithro | _florent_: that is quite possible, I'm unsure where cfelton got up too | 11:52 |
| _florent_ | these were little things, but for now I more confortable to use the encoder that is already validated | 11:52 |
| _florent_ | verilog can be useful to do simulation | 11:52 |
| mithro | _florent_: yes, that is perfectly valid | 11:53 |
| mithro | _florent_: the post from Chris can be found at http://www.fpgarelated.com/showarticle/718.php | 11:53 |
| tpb | Title: I don’t often convert VHDL to Verilog but when I do ... - Christopher Felton (at www.fpgarelated.com) | 11:53 |
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