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FlapYoJacks posted:ChatGPT is amazing for things like this. 
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Apr 9, 2023 23:06
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Ciaphas posted:sadly(?) it struck out on win ce 6.0 though - the other godawful sorta-custom OS thing i maintain This I’m not surprised on. way less documentation or community support and questions directed towards that topic.
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Apr 9, 2023 23:08
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Ciaphas posted:sadly(?) it struck out on win ce 6.0 though - the other godawful sorta-custom OS thing i maintain did you try bingGPT? it can search stuff to pull new info but it's kinda hit or miss about whether or not it can actually apply it to a request
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Apr 9, 2023 23:15
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I have put off trying to learn dbus for 20 years and I've decided to try to jump into it headfirst with a new embedded device I'm putting together for a friend's project. For various reasons, I want to use Raspberry Pi OS. I may use buster or bullseye, not sure of either. Would dbus work as a good system-wide event bus? As in, a server component emits events (usb inserted, smartcard detected, someone pressed a gpio-powered button) and client components receive those events and do something (play a sound, blink an LED, etc). Latency is not an issue. I assume that there will be security jank that I'll have to deal with. Specifically, I want to know if dbus has a tendency to drop events, and if there are other integration hurdles I'm likely to hit that make it a terrible choice. The alternative is, of course, the old standby. Packet-oriented messaging over domain sockets. Although I hear that another solution is to use sqlite as the event log and just have everyone monitor that, which seems like the sort of bulletproof reliability that I crave.
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Apr 11, 2023 05:24
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DBus is specifically built to do what you want to do. One big hang up people have for DBus is it’s specifically designed to not care about receiving replies. If you want an acknowledgment from the receiving program, use gRPC. Edit: To answer your question, I have NEVER had a dbus event drop unless something is seriously wrong with the program or system.
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Apr 11, 2023 05:35
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with raspbian on a rpi4 dbus is already used for a ton (including the default handlers for some of those events) so why wouldn’t you use it?
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Apr 11, 2023 05:37
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thanks, bernies, for your advice thbernies
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Apr 11, 2023 05:56
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I don't know what language you're developing with, but Qt brings pretty good dbus support to C++ apps. There's some goofiness in the tools, but they provide a program that takes in a dbus xml file and turns it into a Qt C++ class. Also, qdbusviewer is a nice utility to see what the entire dbus is doing. I used it in two places for my project: 1) Listening for system-wide "USB thumb drive inserted" dbus events so I could write logged data to it. 2) Communicating between my touch UI and the "server" process that was actually doing all the logging. In retrospect I might choose something simpler. If you're going down the Qt path, there's also QtRemoteObjects which I haven't used but seems like a Qt-specific but cross platform dbus-lite
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Apr 11, 2023 17:58
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repugnant posted:I don't know what language you're developing with, but Qt brings pretty good dbus support to C++ apps. There's some goofiness in the tools, but they provide a program that takes in a dbus xml file and turns it into a Qt C++ class. Also, qdbusviewer is a nice utility to see what the entire dbus is doing. either C or python or a mix of both, along with a hint of javascript C++ may be in the mix but it's unlikely that I'll use Qt. It's a great framework but (for reasons I don't want to get into) it doesn't fit my requirements. I used Qt for a project way back in 2002 or so and qmake was probably the easiest build system I ever used.
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Apr 11, 2023 19:47
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do not ask what the project is
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Apr 11, 2023 21:22
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Tankakern posted:do not ask what the project is What's the project?
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Apr 11, 2023 21:31
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FlapYoJacks posted:What's the project? gently caress, you just HAD to ask you've done it now
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Apr 11, 2023 21:52
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PSA: if anyone is looking for the equivalent of one of those German sim games of their day job do not be fooled by this blatantly mislabeled game https://www.youtube.com/watch?v=8s4GEcHKXT4
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Jun 27, 2023 17:17
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Which USB network gadget driver should I use? Are ECM or EEM supported by older versions of windows? NCM works great but it looks like built in driver support only came in windows 11. RNDIS sometimes causes blue screens if the kernel running the gadget driver is interrupted so I want to avoid that. Also, can I freely use the Linux Foundation USB VID and PIDs for unmodified, standard gadget functions in a commercial product? We are GPL compliant.
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Jun 28, 2023 07:08
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RNDIS was what MS included until very recently. I think cdc-ecm was never built in. you’d want to use ncm if you can
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Jun 28, 2023 07:45
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The last time I did a product with gadget ethernet, I settled on a composite device with RNDIS _and_ NCS. The reason was that RNDIS was the only one that worked on Windows 10, but it didn't work at all on MacOS. This was maybe like 4 years ago though, so support might have gotten better. Poopernickel fucked around with this message at 12:43 on Jun 30, 2023 |
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Jun 30, 2023 06:35
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My last RNDIS project was 13 years ago on Linux 2.6.17 
FlapYoJacks fucked around with this message at 06:44 on Jun 30, 2023 |
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Jun 30, 2023 06:42
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In my spare time, I was given a project to port flutter over to Buildroot. Seems like a good alternative to QT if you want to avoid licensing costs.
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Jul 11, 2023 21:01
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FlapYoJacks posted:In my spare time, I was given a project to port flutter over to Buildroot. Seems like a good alternative to QT if you want to avoid licensing costs. Jesus Christ Google. gently caress you and your lovely source trees.
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Jul 13, 2023 21:18
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FlapYoJacks posted:In my spare time, I was given a project to port flutter over to Buildroot. Seems like a good alternative to QT if you want to avoid licensing costs. can you do a Flutter without writing any Dart? if not: have you done a dart and/or is dart any good?
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Jul 13, 2023 22:54
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Poopernickel posted:can you do a Flutter without writing any Dart? You can't. It's a Dart framework. I have no idea if Dart is any good.
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Jul 14, 2023 00:03
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Poopernickel posted:can you do a Flutter without writing any Dart? statements dreamed up by the utterly deranged this is REAL development done by REAL developers they have taken us for fools
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Jul 14, 2023 00:07
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I will be god damned before I learn a whole new language and toolchain just to avoid QT. I don't even really write GUIs but I would 100% rather learn QT and use it with a language I already know. otoh we are all already damned in this line of work, so 
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Jul 14, 2023 07:21
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hobbesmaster posted:statements dreamed up by the utterly deranged abandon js frameworks, return to lovingly hand-crafted assembler
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Jul 14, 2023 08:23
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Gonna keep saying this: What the gently caress Google.
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Jul 15, 2023 02:24
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15M Jul 18 16:43 libflutter_engine.so gently caress you Google I win.
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Jul 19, 2023 02:23
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FlapYoJacks posted:15M Jul 18 16:43 libflutter_engine.so you ported their bullshit to a new platform for free.... seems like google still won
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Jul 19, 2023 02:25
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nudgenudgetilt posted:you ported their bullshit to a new platform for free.... seems like google still won Woah woah woah, pal. I got paid to do the porting.
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Jul 19, 2023 02:26
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but did google pay for it
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Jul 19, 2023 02:35
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hobbesmaster posted:but did Google pay for it Nah. My company did. I did ask Google to pretty-please make a tarball for embedded Linux distributions. 
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Jul 19, 2023 02:38
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v2 flutter-engine patches submitted. Flutter-engine includes its own patched clang that you have to use to properly compile and link. 
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Aug 8, 2023 01:43
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Holy gently caress What is that clang doing that a normal clang won't do?
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Aug 8, 2023 02:14
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what is that bespoke clang doing to those machine language binaries???
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Aug 8, 2023 02:33
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sb hermit posted:what is that bespoke clang doing to those machine language binaries???
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Aug 8, 2023 02:39
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but really, I think buildroot doesn’t support clang right now and flutter requires it
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Aug 8, 2023 02:40
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sb hermit posted:but really, I think buildroot doesn’t support clang right now and flutter requires it I’m wrong, clang has been in buildroot since 2018! I should get back into building with it.
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Aug 8, 2023 02:50
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sb hermit posted:I’m wrong, clang has been in buildroot since 2018! I should get back into building with it. It was just updated to 15!
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Aug 8, 2023 03:07
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Poopernickel posted:Holy gently caress ~ Things ~. They have a few custom arguments and if you don’t use it you get a bunch of linking errors. It’s bizarre.
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Aug 8, 2023 03:08
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clang sempai, w-w-what are you doing to my binaries???
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Aug 9, 2023 03:04
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lol the Buildroot maintainers reaction to Flutter having its own vendored clang is “Yeah, it’s horrifying, but it’s also Google, we aren’t surprised.”
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Aug 9, 2023 14:43
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