Monday, 2019-12-30

« Sunday, 2019-12-29 Index Tuesday, 2019-12-31 »
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futarisIRCcloudhttps://hackaday.com/2019/12/29/36c3-open-source-is-insufficient-to-solve-trust-problems-in-hardware/01:03
tpbTitle: 36C3: Open Source Is Insufficient To Solve Trust Problems In Hardware | Hackaday (at hackaday.com)01:03
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mithroHi everyone! If you are in this channel and at #36C3 and don't have a Fomu yet, you can find me at the Hardware Hacking Area until 2:00pm and I'll give you one12:19
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xobstiwalun (@tiwalun:matrix.org): thanks! I was trying to figure out why it wasn't working.12:32
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xobsStill not sure...12:32
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xobsI was also trying to figure out the solution for interrupts on svd2rust on riscv. They don't have an answer yet...12:33
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tiwalunxobs: For me its working with an older bootloader, v1.9.1, but with the newe version v2.0.3 it doesn't work12:45
tiwalunxobs: we can meet somewhere at #36c3 if you want, then we can have a look at it together. I'm at the Rust assembly12:46
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gurke_mithro, xobs: thx a lot for the great workshop and the presence at 36c3 (and for the patience regarding the USB/virtualization issues)!16:12
gurke_short question: i assume that the bootloader is initially flashed using the testpoints during production?16:12
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mithrogurke_: xobs has a picture of the programmer somewhere - the factory programming tools are also on GitHub somewhere16:22
* xobs uploaded an image: IMG_20191206_101349.jpg (96KB) < https://matrix.org/_matrix/media/r0/download/matrix.org/gWmWiyPIfJKoCLlGQxCeCIAW >16:29
xobsI probably ought to add a photo of the thing to https://github.com/im-tomu/fomu-factory-test/16:30
tpbTitle: GitHub - im-tomu/fomu-factory-test: Factory test firmware, software, and raspberry pi image for Fomu (at github.com)16:30
gurke_cool, thx16:33
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vesimis it possible to get usb hid working on fomu?23:03
xobsvesim: the absolute easiest way is using circuitpython.23:04
vesimi would prefer to do that in C :P23:05
xobsThe second easiest way is by adapting an example from tinyusb.23:05
xobshttps://github.com/hathach/tinyusb/tree/master/examples/device/hid_composite23:06
tpbTitle: tinyusb/examples/device/hid_composite at master 路 hathach/tinyusb 路 GitHub (at github.com)23:06
vesimi want to port some u2f implementation to fomu23:06
xobsYou'll need to specify the CROSS_COMPILE prefix. And set BOARD=fomu23:07
xobsBut that'll get you a USB hid device super easily.23:07
xobsThe only other thing to note is it only works with foboot-2.0 or newer.23:07
xobshttp://workshop.fomu.im/en/latest/bootloader.html#bootloader-update23:08
tpbTitle: Bootloader FPGA Tomu (Fomu) Workshop 0.1-70-gc35ed75 documentation (at workshop.fomu.im)23:08
vesimi have 2.0.2 already :P23:08
xobsOh good!23:09
vesimor 2.0.323:09
vesimbtw, for soem reasons updating to that version broke wasm323:09
vesimsome*23:09
xobsWasm3?23:10
vesimhttps://github.com/wasm3/wasm3/23:10
tpbTitle: GitHub - wasm3/wasm3: 馃殌 The fastest WebAssembly interpreter (at github.com)23:10
xobsI had no idea that was a thing!23:11
xobsYeah, different USB stack. That'll need to be fixed.23:11
xobsAnyway, I'm on my way back home. Taking off now, so got to go.23:12
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vesimtinyusb is working fine, thanks!23:16
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vesimhttps://github.com/hathach/tinyusb/issues/91 :D23:33
tpbTitle: [Feature] U2F support or example 路 Issue #91 路 hathach/tinyusb 路 GitHub (at github.com)23:33
vesimxobs: are you going to work on that? :P23:34
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