SDK • Re: RP2040 (pico sdk) strange behaviour (and crash) around gpio IRQ...
Hmm. My understanding is that if the ISR calls a function (here gpio_default_irq_handler calls DIO1_ISR as you pointed out) the called function is still being run in the ISR context (same stack or...
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General discussion • Re: How to Intercept and Display Signal from HLK-LD2450...
My understanding is the data is a basic serial stream:The LD2450 module communicates with the outside world through a serial port with a default baud rate of 256000, 1 stop bit, and no parity bits.A...
View ArticleCamera board • Re: Camera Connections Question
OK I now have it working. The cable joiner connections, both cables have the contacts facing the circuit board.I accept that there is a max recommended cable length but I have now have a total of 1.7M...
View ArticleCamera board • Re: gstreamer on RPI 5, "Range format is ambiguous"
Any ideas? Or does anyone have a working gstreamer h264 video pipeline?Statistics: Posted by hackbar — Mon Mar 25, 2024 10:50 pm
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Troubleshooting • remote acces whit Raspberry Pi ( Remote Desktop Client )
Hi.... I want to connect my PC to Raspberry with external desktop now I followed this video see link below https://www.youtube.com/watch?v=T8ZOZZKsb_cI have done everything belowsudo apt updatesudo...
View ArticleTroubleshooting • Re: remote acces whit Raspberry Pi ( Remote Desktop Client )
Enable vnc server on pi. Use vnc ient on PC.Statistics: Posted by memjr — Mon Mar 25, 2024 11:11 pm
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Troubleshooting • Re: Pi 4 wont Boot up
/home/your-user/.mozilla/home/your-user/.config/chromiumthe dot means there hidden so you need to show hiddenStatistics: Posted by kerry_s — Mon Mar 25, 2024 11:34 pm
View ArticleGraphics, sound and multimedia • Re: Does it still make sense to use...
just try native compiling on the pi5in the end, the answer depends on which one you can get working, and which one is fast enough for your needsStatistics: Posted by cleverca22 — Mon Mar 25, 2024...
View ArticleBeginners • Re: Pi 5 KDE Black Screen
On a stock rpi4 GUI image, iirc all I did was..Code: $ sudo apt-get install kde-plasma-desktop..and chose the "sddm" window manager when prompted & rebooted. I seem to have it set to use X11 but...
View ArticleAdvanced users • Re: KDE on Pi 5
Maybe when the OP from here replies..viewtopic.php?t=368046I'm afraid I don't have a spare rpi5 to try myself.Statistics: Posted by swampdog — Tue Mar 26, 2024 11:11 pm
View ArticleAdvanced users • Re: Raspberry Pi 5 thermal throttling at 80C or 85C?
You're welcome.Yes. ffts do give them a good hammering.The 3GHz Pi5 in my sig hovers around 73°C when running the same test.I've no doubt I could get it a lot cooler than that if I sped the fan up by...
View ArticleGraphics, sound and multimedia • Re: Question about v4l2 bcm2835-codec...
I also faced this problem. I need to encode the BGR24 stream from TC358743 to H.264, and I get an overly highlighted image. If I try to use M2M JPEG encoder, I get the right colors. Also if I use...
View ArticleBeginners • Re: Pi 4 Power Bank
Hi,Do you guys think that a Pi 4 would be powerable using a power bank?Yes. I've sort of done it. I used a Pi400 rather that a Pi4B, but their power requirements are the same.I have got my eye on one...
View ArticleBeginners • Re: Battery-powered RPI4
This is one of the few battery powered Pi4B cases where it might be better (or, at least, simpler) to use a Pi5. The Pi5 can shut down and leave a wake up timer running in the on board RTC. If the the...
View ArticleGeneral discussion • Mumble "shortcuts" don't work any more
I have three Raspberry Pi machines and I like to use the free "mumble" VOIP client on all three of them.The oldest is a Raspberry Pi Model 4B running 32-bit Raspbian 5.10.103-v7l. Mumble Version 1.3.0...
View ArticleC/C++ • Re: Up-to-date examples of basic GPIO
I mad as mall version that is like the arduino using pinMode, digitalRead and digitalWrite.I just added an example in C in the C_version folder.when you compile you need to add the lgpiod library.ex :...
View ArticleGeneral discussion • Re: Mumble "shortcuts" don't work any more
Bookworm changed to Wayland which is incompatible with the Mumble hotkey feature. It was implemented by snooping on all keyboard input which is not allowed under Wayland.If you must have this feature...
View ArticleTroubleshooting • Re: Problems using Raspberry Pi PicoW with FreeRTOS
Have a look at https://github.com/raspberrypi/pico-sdk/issues/1659TL;DR: Code: #define configNUM_CORES configNUMBER_OF_CORESStatistics: Posted by jags84 — Wed Mar 27, 2024 12:04 am
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Raspberry Pi OS • Re: Bookworm LVM rootfs
Thanks for the offer but I doubt it would be useful to others in its current form! I don't mean to overstate sdm's capabilities, nor underestimate the complexity of your build tool, but TBH everything...
View ArticleSDK • FreeRTOS+TCP vs lwip?
Hi there. FreeRTOS has its own TCP stack, and then Pico has lwip in the SDK. Is there a significant reason to prefer one over the other? Is either easier to program than the other? From what I'm...
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