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| Fallen | Hi everyone I just bought a fomu and having an issue with the leds not working as soon as I plug it in. When utilize the example code micropython-fomu.dfu I'm told there is no error condition present. I was what steps I should take in trouble shooting | 03:31 |
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| xobs | Fallen: sounds like it could be a manufacturing problem. The leds might not be soldered correctly. | 03:35 |
| xobs | "no error condition" means that the program loaded successfully, and you can continue the workshop, but you'll probably want to contact Crowdsupply to get a replacement. | 03:36 |
| Fallen | Appreciate it. Just wanted a second opinion before I contacted them and to see if there were any other troubleshoot procedures that might be recommended. | 03:38 |
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| mithro | xobs: https://github.com/renode/renode/commit/70ce00f346d3038e86e483e2b460c4a16ff054b6 | 04:14 |
| tpb | Title: [#16507] Add Wishbone bus to Verilator Plugin · renode/renode@70ce00f · GitHub (at github.com) | 04:14 |
| xobs | mithro: hooray! we should add that to the workshop. Verilator is really cool. | 04:16 |
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| mithro | xobs: https://github.com/timvideos/litex-buildenv/pull/339#pullrequestreview-362391822 | 04:24 |
| tpb | Title: Testing firmware in Renode on Travis by mateusz-holenko · Pull Request #339 · timvideos/litex-buildenv · GitHub (at github.com) | 04:24 |
| mithro | xobs: This PR adds Renode integration to Travis CI tests. It includes basic test suits for: LiteX BIOS, the default H2U firmware, Zephyr, micropython, Linux | 04:24 |
| xobs | I could definitely see that as being useful. | 04:25 |
| xobs | I've been spending a lot of time in Renode lately as I work on developing Xous, and while it has its surprising quirks it's overall pretty good. | 04:27 |
| mithro | xobs: Let's try and stamp out those quirks :-) | 04:41 |
| xobs | Some are hard to reproduce. Like I have one where if I set a breakpoint, I need to reset Renode twice in order to have it hit. | 04:57 |
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| squelch | So I'm getting a `dfu-util: Cannot open DFU device 1209:5bf0` error when I don't run dfu-util as sudo against the Fomu | 19:10 |
| squelch | when I do run as sudo, I get `Found DFU: [1209:5bf0] ver=0101, devnum=10, cfg=1, intf=0, path="1-1", alt=0, name="Fomu PVT running DFU Bootloader v1.9.1", serial="UNKNOWN"` | 19:11 |
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| squelch | Not sure what to do about this and a cursory Google search hasn't pulled up anything useful. I suspect I need to add someting to /etc/udev/rules.d but unsure what | 19:13 |
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| acathla | squelch, https://workshop.fomu.im/en/latest/requirements.html#setup-udev-rules is probably the right place to start | 20:11 |
| squelch | @acathla, ah hah, thanks | 20:14 |
| squelch | that did the trick | 20:14 |
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| squelch | Now screen seems to only work when I use sudo | 20:28 |
| CarlFK | squelch: sounds like permission problem, which sounds like udev problem | 20:30 |
| squelch | I agree it sounds like a permission problem but I'm not fully sure it's udev related | 20:31 |
| CarlFK | Hmm. my fomu isn't showing up in lsub, and dmesg shows [465560.166142] usb usb3-port2: unable to enumerate USB device | 20:38 |
| CarlFK | dfu-util -l - Found DFU: [1209:5bf0] ver=0101, devnum=109, cfg=1, intf=0, path="3-2", alt=0, name="UNKNOWN", serial="UNKNOWN" | 20:42 |
| CarlFK | yay. | 20:42 |
| CarlFK | lsusb: Bus 003 Device 115: ID 1209:5bf0 InterBiometrics | 20:43 |
| CarlFK | squelch: are you in group: dialout | 20:52 |
| acathla | it's plugdev group if you followed the workshop, and you need to logoff/logon | 21:05 |
| CarlFK | plugdev gets you the tty? | 21:09 |
| squelch | it's plugdev group and yes, i was in plugdev and logged in/out | 22:09 |
| CarlFK | what are you loading into fomu to get a tty? (guessing micropython? ) | 22:11 |
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| mithro | xobs: I would like your thoughts on the approach I came up with in https://github.com/enjoy-digital/litex/issues/394 -- it uses git subtrees, python namespace packages and relative requirements.txt files but seems like it is *significantly* simpler way for us to do litex -- and substantially smaller too! | 23:49 |
| tpb | Title: RFC: Split LiteX CPU cores into their own Python modules · Issue #394 · enjoy-digital/litex · GitHub (at github.com) | 23:49 |
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