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| CarlFK | mithro: did you see the video I posted showing the dotty color bars on the TV here? | 02:31 |
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| sab_123 | hi | 02:32 |
| sab_123 | so i have set up everything in xilinx | 02:32 |
| sab_123 | https://github.com/RacingTornado/JPEG_GSOC | 02:34 |
| tpb | Title: GitHub - RacingTornado/JPEG_GSOC: A GSOC project for TimVideos (at github.com) | 02:34 |
| sab_123 | also looks like eveyrthing is done on 16x8 blocks. We can change this | 02:47 |
| mithro | sab_123: There isn't anything useful in that repository? | 03:03 |
| sab_123 | no | 03:03 |
| sab_123 | I just set it up | 03:03 |
| sab_123 | as a useful standalone | 03:03 |
| sab_123 | text bench | 03:03 |
| sab_123 | test bench | 03:03 |
| sab_123 | I dodnt want to mix the 2 | 03:04 |
| sab_123 | and I used the mkjpeg core directly | 03:04 |
| sab_123 | It would take some time for me to look into the architecture | 03:04 |
| sab_123 | He has a very good DOC | 03:04 |
| sab_123 | But before I commit to working on this | 03:04 |
| sab_123 | I would like to first make sure that there is nothing which is closer to my project which I can work on | 03:05 |
| sab_123 | Can you think of anything? | 03:05 |
| mithro | You could work on improving the USB stuff on the FX2 maybe? | 03:09 |
| sab_123 | The firmware? | 03:09 |
| sab_123 | I dont use fx2lib | 03:09 |
| mithro | Yes | 03:09 |
| sab_123 | I use the cypress code | 03:09 |
| sab_123 | the bulk loop transfer | 03:10 |
| sab_123 | but yes | 03:10 |
| sab_123 | I guess that would be closer | 03:10 |
| sab_123 | I was talking to makestuff(lx9) | 03:10 |
| sab_123 | he told me he gets 45MB/s | 03:10 |
| mithro | Yes we get similar performance | 03:12 |
| sab_123 | what would you like me to improve? | 03:12 |
| mithro | Go take a look at the issues on misoc firmware repo and see what you can dig up related to USB | 03:14 |
| sab_123 | I did | 03:14 |
| sab_123 | There is one for USB 3.0 | 03:15 |
| sab_123 | I really dont want to get into that since testing and validating the PHY itself is going to take a lot of time | 03:15 |
| sab_123 | But i will look an non GSOC stuff now | 03:15 |
| sab_123 | at | 03:16 |
| mithro | Did you actually look at the HDMI2USB misoc firmware repo? | 03:16 |
| sab_123 | I used a filter so I only got like 5-10 issue | 03:16 |
| sab_123 | issues | 03:16 |
| sab_123 | I see quite a few interesting one now | 03:17 |
| sab_123 | ones | 03:17 |
| sab_123 | they are different repos | 03:19 |
| sab_123 | I feel stupid now | 03:20 |
| sab_123 | :-) | 03:20 |
| sab_123 | #149 | 03:23 |
| mithro | I'm afraid I don't memorise issues numbers :P | 03:24 |
| sab_123 | https://github.com/mithro/HDMI2USB-misoc-firmware/tree/fx2-refactor/firmware/fx2 | 03:25 |
| tpb | Title: HDMI2USB-misoc-firmware/firmware/fx2 at fx2-refactor · mithro/HDMI2USB-misoc-firmware · GitHub (at github.com) | 03:25 |
| sab_123 | So you want me to refactor and clean this up correct? | 03:25 |
| sab_123 | https://github.com/timvideos/HDMI2USB-misoc-firmware/issues/149 | 03:26 |
| tpb | Title: Rewrite the FX2 firmware to be understandable · Issue #149 · timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 03:26 |
| mithro | That would be a start | 03:29 |
| sab_123 | that looks interesting | 03:31 |
| mithro | Have a look at how I've changed the firmware | 03:38 |
| mithro | Most of that is going to C development however | 03:38 |
| sab_123 | I agree | 03:39 |
| mithro | You might want to look at my fx2lib fork too | 03:40 |
| mithro | https://github.com/mithro/fx2lib/issues | 03:40 |
| tpb | Title: Issues · mithro/fx2lib · GitHub (at github.com) | 03:40 |
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| sab_123 | you want me to build SDCC myself? | 04:38 |
| sab_123 | or ubuntu one is okay? | 04:39 |
| sab_123 | the linux one is this | 04:40 |
| sab_123 | SDCC : mcs51/gbz80/z80/z180/r2k/r3ka/ds390/pic16/pic14/TININative/ds400/hc08/s08 3.3.0 #8604 (Dec 30 2013) (Linux) | 04:40 |
| mithro | you want the newest sdcc | 05:18 |
| sab_123 | okay | 05:22 |
| sab_123 | can i use a snapshot | 05:23 |
| sab_123 | either way | 05:23 |
| sab_123 | its okay | 05:23 |
| sab_123 | for the GSOC proposal | 05:23 |
| sab_123 | just want ot understand what you need | 05:23 |
| sab_123 | Comment the code | 05:23 |
| sab_123 | clean it up | 05:24 |
| sab_123 | Anything else | 05:24 |
| sab_123 | Because the date is 25th | 05:24 |
| sab_123 | So I would like to start writing it up | 05:24 |
| mithro | Clean up and comment code is not big enough for a GSoC project | 05:29 |
| mithro | With the FX2 stuff you are going to have to be more self directed and figure out some strong goals based on the open issues | 05:30 |
| mithro | The high level goal at the end of your project should be "we have a really awesome USB2.0 interface which works well, is well tested, is easy to hack on and provides the needed HDMI2USB functionality" -- how you get to that is going to require some though | 05:32 |
| mithro | t | 05:32 |
| mithro | bblr | 05:32 |
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| CarlFK | mithro: did you see the video of the TV? https://plus.google.com/101817321389198875733/posts/ZxmFEvAP7N1 | 11:50 |
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| CarlFK | tumbleweed: lightning talks in 144! | 17:30 |
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| mithro | CarlFK: yes | 19:36 |
| mithro | GChriss: ping? | 19:36 |
| CarlFK | mithro: I have checked out of my room with that TV, so can't do anything more there. | 19:41 |
| CarlFK | mithro: I have my Opsis board and found a teacher that is excited about our GSOC fpga stuff | 19:42 |
| mithro | CarlFK: cool | 19:42 |
| mithro | have you been pimping GSoC? | 19:42 |
| CarlFK | mithro: oh yeah, good morning. hope you got some sleep | 19:42 |
| mithro | CarlFK: not really, I kept worrying that I would miss waking up | 19:43 |
| CarlFK | I did a lightning talk: "this is the board, this is what it does, GSOC is $5k for students to work on OS, who's interested talk to me!" | 19:43 |
| CarlFK | mithro: quite a bit has been added to https://public.pad.fsfe.org/p/libre-media-2016 | 19:47 |
| tpb | Title: FSFE Etherpad: public instance (at public.pad.fsfe.org) | 19:47 |
| mithro | GChriss: is there anything in the room now? | 19:53 |
| mithro | GChriss: IE when can we start testing the set up? | 19:53 |
| mithro | GChriss: I'm just getting things going on this side, will probably take me 20-30 minutes | 19:53 |
| mithro | Silvia is on her way here too | 19:53 |
| mithro | brb | 19:53 |
| CarlFK | mithro: there should be a talk in there. /j #libreplanet_room155 | 19:57 |
| GChriss | mithro: pong | 19:58 |
| GChriss | there's breaks between sessions | 19:59 |
| GChriss | I can plug in my laptop (videoconference laptop) and sit there now if that helps | 20:00 |
| GChriss | then try calls | 20:00 |
| GChriss | ok going to the room now | 20:07 |
| GChriss | brb | 20:07 |
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| GChriss1 | ok in 52--155 now | 20:13 |
| CarlFK | GChriss1: I'll be there as soon as the Blender talk breaks for Q&A | 20:13 |
| GChriss1 | k | 20:14 |
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| mithro | GChriss: ping? | 20:29 |
| mithro | I'm now in the room we will be using here | 20:29 |
| GChriss | mithro: pong | 20:30 |
| GChriss | do you have a ringID? | 20:30 |
| GChriss | silvia does, can help guide/setup if needed | 20:31 |
| GChriss | http://ring.cx | 20:31 |
| tpb | Title: Ring | Ring gives you a full control over your communications and an unmatched level of privacy. (at ring.cx) | 20:31 |
| mithro | Okay, she just arrived | 20:31 |
| GChriss | :) | 20:31 |
| GChriss | it looks like the panel being held now is wrapping early | 20:32 |
| mithro | Awesome! | 20:33 |
| * GChriss started the clap | 20:33 | |
| GChriss | brb again, changing internet cable to front table | 20:34 |
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| CarlFK | on way to room | 20:38 |
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| skay | mithro: they're still working on it | 20:47 |
| skay | ck here. I think there are at most 5 people in the room that are here for the talk | 20:50 |
| skay | and 10 or so that haven't left fromt he previos talk and need a place to sit. | 20:50 |
| skay | skay here | 20:50 |
| skay | Carl has self deprecating humor | 20:50 |
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| skay | o/ | 20:51 |
| tumbleweed | it's a tough slot to be scheduled in | 20:51 |
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| ginger | silvia here - we're trying to set up audio output | 21:07 |
| skay | tumbleweed: are you doing pypy stuff? | 21:11 |
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| skay | yay tim | 21:16 |
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| tumbleweed | skay: yep | 21:20 |
| tumbleweed | spot the mandelbrots? :) | 21:21 |
| skay | tumbleweed: yep | 21:23 |
| * tumbleweed broke pypy in Debian, now I'm trying to unbreak it | 21:24 | |
| tumbleweed | actually, upstream broke it, by making it bigger, so it doesn't build on 32bit hardware any more | 21:24 |
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| xfxf | tumbleweed: nobody should be using 32-bit arch's anymore anyway, right? ;-) | 22:39 |
| tumbleweed | quite | 22:40 |
| tumbleweed | this is only an issue in Debian, on armhf | 22:40 |
| tumbleweed | every other 32bit arch is actually built on 64bit kernels | 22:40 |
| tumbleweed | (or has no pypy JIT, and still fits...) | 22:40 |
| xfxf | wierd, the bug is kernel dependent? | 22:40 |
| tumbleweed | no, it just needs lots of address space | 22:41 |
| tumbleweed | if you have to share your 4GiB with the kernel, you don't have enough | 22:41 |
| xfxf | kinda mindblowing it needs that much space to build, but makes sense, i guess | 22:42 |
| tumbleweed | yeah | 22:44 |
| mithro | There are plenty of reasons to use 32bit hardware | 22:49 |
| tumbleweed | even 16 or 8 bit | 22:49 |
| xfxf | mithro: i hope it was obvious i was being facetious | 22:49 |
| tumbleweed | any the good news for pypy is that pypy can build pypy inside 3GiB of address space, with some tweaking | 22:50 |
| mithro | 16bit is a bit of a strange one, 8bit still makes sense for the *very* small things | 22:50 |
| mithro | Anywhere you could use 16bit is almost always better to go with 32 or 64bit | 22:50 |
| tumbleweed | probably true | 22:51 |
| xfxf | what modern archs are 16 bit? | 22:57 |
| xfxf | i can't recall the last time i've seen one - plenty of 8/32/64 bit | 22:57 |
| mithro | xfxf: exactly :P | 22:58 |
| mithro | xfxf: Can you take a look at deeprave's pull request? https://github.com/timvideos/HDMI2USB-misoc-firmware/pull/214 ? | 22:59 |
| tpb | Title: Make the debug command be more deterministic about debug state. by deeprave · Pull Request #214 · timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 22:59 |
| xfxf | mithro: he's been sick, which is why he hasn't responded | 23:00 |
| xfxf | i shall poke IRL | 23:00 |
| mithro | xfxf: No, I don't need you to poke him - I need you to test his change on hardware | 23:00 |
| xfxf | oh, right. yeah, can do in the next few days | 23:01 |
| mithro | xfxf: If it works as he describes, then I can merge it - it looks good from a visual inspection point of view | 23:02 |
| mithro | sab: How is your GSoC application going? | 23:02 |
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