Device Tree • Pi 3 - How to obtain GPIO base address in the kernel?
Hi, I'm new to Raspberry PI and Linux kernel.I use Pi 3. (Raspberry Pi 3 Model B Plus Rev 1.3)When I read several articles, it says that my GPIO base register is - Bus Addresses: 0x7E000000- Kernel...
View ArticleGraphics, sound and multimedia • [Pi5] DPI Interlaced mode not working
Hi all,I have a custom DPI bridge mode 6 that works fine in all Pi 3, 4 and 5 models.For making interlaced video modes available in previous models of Raspberry, it was required to simply remove the...
View ArticleGraphics, sound and multimedia • Re: [Pi5] DPI Interlaced mode not working
The RP1 DPI block doesn't support interlaced.Statistics: Posted by trejan — Thu May 02, 2024 1:25 am
View ArticleRaspberry Pi OS • Increasing swap space without rebooting?
This is sort of inspired by the other threads about swap space - that eventually ended up being a discussion of the merits of Rust - but also I needed to do this just now.I've found that the default...
View ArticleOther programming languages • Re: Rust-language in Raspberry Pi OS
I'd take a bet that this could be written using less physical memory.Going back to that; I would suggest that if that can't be done for Rust, can only be achieved by tweaking swap space or whatever;...
View ArticleTroubleshooting • Nginx.pid missing in Alpine Linux Docker Container
I'm trying to follow along with the Grant Collins Raspberry Pie home lab video and am having some trouble with Nginx. I'm trying to run the command Code: nginx -s reload while in the Docker container...
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Beginners • Will Pi work with any touch screen monitor - especially HDMI type?
I want to eliminate the need for a mouse or track pad and instead use a large touch sensitive monitor. The question I have, can I buy any HDMI monitor with touch capability and have it work? Or are...
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Troubleshooting • Re: Raspberry Pi Reboot Error Over SSH But Not Locally:...
Seems to be the same as this one, extra link. Maybe you can find some info there.Thak you for your help. Have a good day. Thank you Statistics: Posted by sonjun — Thu May 02, 2024 3:09 am
View ArticleBeginners • Re: Will Pi work with any touch screen monitor - especially HDMI...
touch is trickyif the device is supported, then you need a desktop with touch support.the best i've tried so far is fydeos, gnome & kde also have touch but not as good.fydeos being a chrome os...
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Advanced users • keyboard device name in initramfs
I'm working on a little sh script that runs in initramfs, and I need to know whether there is a keyboard attached or not.I thought I could use the existence of /dev/input/by-id if a keyboard is...
View ArticleBeginners • Re: Getting audio to play on bluetooth speaker with sudo
post the os your using (desktop/lite/32/64) &your script your trying to run.My device is a Pi Zero 2 W. The OS is Raspberry PI OS (64-bit), Bookworm. I followed the instructions here from...
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Automation, sensing and robotics • Re: Can't measure resistors
I've been trying to measure the supply voltage on this version of the circuit. I don't know if there's something wrong with how I'm measuring it or the calculations, but it still isn't working.The...
View ArticleBeginners • pd-mapper[1150]: pd-mapper: failed to open remoteproc class: No...
HiThanks in advance four your help.I did install Ubuntu 24.04 LTS on my RPI 5 recently. My LOGS informed me that:-- Boot 2b01ed4128ac4182a8ac47b59272b863 --May 02 17:46:04 BTRPI-5 systemd[1]: Started...
View ArticleUbuntu • Re: Any installable Ubu-based images for pi5?
You could try the beta version of PINN for the pi5 (see sticky thread) and install ubuntu 23.10. I did borrow some bits from 24.04 to get it to work, but it works for me.Statistics: Posted by procount...
View ArticleAdvanced users • Re: Attempting to netboot with buildroot image
They may be in the buildroot image but did you configure the kernel stuff as modules or builtins?For reasons that should be obvious*, having that stuff as kernel modules won't work with network boot...
View ArticleTroubleshooting • Re: Why I am getting error "device is disconnected or...
Sorry from my side I didn't get your point please can you elaborate/ simplifie it?Statistics: Posted by Abhi901163 — Fri May 03, 2024 1:10 am
View ArticleTroubleshooting • Re: Wayland/Wayfire Kiosk Mode Chromium
I had the same issue just now, I fixed it by calling a script in autostart rather than chromium-browser directly, I suppose it has something to do with display envvars, if someone smarter knows why it...
View ArticleGeneral • Re: adc_read() spurious longer execution (PICO)
That printf() is probably not in SRAM, and it's gonna nuke the instruction cache too. Any call inside the function to non-SRAM code might miss on the I-cache forcing NOR fetch and introduce jitter....
View ArticleTroubleshooting • Re: Pi5 - screen blanking problem
Code: salvatore@Raspberry-Pi:~ $ cat /proc/cmdlinereboot=w coherent_pool=1M 8250.nr_uarts=1 pci=pcie_bus_safe snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1...
View ArticleMicroPython • Re: How to control ESC with Raspberry Pi Pico W?
Ok. I found a similar device. Nothing special. Just drive it like a servo. Centre position (1.5ms) is off, 1.0ms is 100% one direction, 2.0ms is 100% the other...
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