Device Tree • GPIO configure and release
Hi all,I'd like to write a device tree that configures some GPIOs and lets them be re-configured and used by other overlays/drivers, if enabled.Specifically, I need to configure them as inputs with no...
View ArticleGeneral discussion • Re: Level-Shifting & Voltage-Translator
There are a huge number of alternatives all with their own pros and cons. ...+1 and, FWIW, some of the common/various types I've used (and "wherein circuits") are linked to...
View ArticleDevice Tree • Re: GPIO configure and release
Linux doesn't understand the concept of configuring a GPIO in preparation for something else using it. It would rather leave all GPIOs as inputs with no/default pulls etc. until something actively...
View ArticleGeneral discussion • Re: Are there any Raspberry Pi type devices WITHOUT...
anything from the Raspberry Pi Pico or Pico2 ranges will meet that description.It does not meet the "or even any way of outputting video, if that makes sense", sadly there is PicoDVI and...
View ArticleTroubleshooting • Re: Pi Zero W V1.1 512MB not connecting to WiFi
I recently dug out a Pi Zero and a 3b and updated the OS. The 3b is fine but the Zero (in addition to being very, very slow) won't connect to WiFi.I used the same settings for WLAN in Imager as for...
View ArticleGraphics programming • How to set DISPLAY on remote SSH
Hello, I have more or less the same problem as described here:viewtopic.php?p=470818&hilit=%24DISPLAY#p470818But I did not get the solution yet.I have a Pi 3B with TFT display attached. Programmed...
View ArticleGeneral • How many GPIO interrupts?
I am trying to determine the total available GPIO interrupts within the RP2040. Section 2.3.2 of the RP2040 datasheet cryptically states the following: there is one GPIO interrupt perbank, per core.I...
View ArticleCamera board • How to handle same resolution
I'm developing MIPI CSI-2 camera driver for RPi 5 and question that I will ask here is mby more question for V4L2 than actual raspberry but I will give it a try. So, I have sensor with1920x1080...
View ArticleTroubleshooting • Re: RPi4 audio connection fails
I am running 64 bit bookworm.The US-122L is not showing up as being recognised on the system.After much googling it appears that I might be able to compile a snd-US-122L module to incorporate into the...
View ArticleBeginners • Re: General set up advice please
Two final questions for now please.First, Rasberry Pi OS runs from a 32Gb SD card, so presumably is compact. However, in order to allow future expansion should I partition the NvMe drive to about...
View ArticleThe MagPi • Re: What Hardware to Choose!
Do you have another post somewhere?Pi4 with pi camera module attached, run the python example script "mjpeg_server_2.py see https://forums.raspberrypi.com/viewtopic.php?t=378012We can then see it in a...
View ArticleTroubleshooting • Re: Pipewire RTP broken on last update
pactl is pulseaudio and pipewire breaks pulseaudio networked audio. see viewtopic.php?t=377861Statistics: Posted by redvli — Sat Oct 19, 2024 12:43 pm
View ArticleBeginners • Re: Sound on airpods poor Pi5
I'm Using the original Raspberry Pi 5 case with fan.Disconnected the fan but no joy or improvement of the sound on earphones.Selected in device profile as suggested SBC or SBC-XQ but no...
View ArticleBare metal, Assembly language • Re: rpi4 os: context switch breaks irq
Hello guys. I fixed the problem. It had to do with my vector table setup. The old one behaved strange after the first irq so i replaced it with a different setup.This is the commit which works:...
View ArticleMicroPython • Re: Obstacle Avoidance Robot Mark 2
I see thank very much!Statistics: Posted by Jweld1117 — Sat Oct 19, 2024 1:13 pm
View ArticleGeneral • Re: RP2040 Read Timer
That's only a portion/snippet of the whole program: https://github.com/jbentham/picofreq/bl ... icofreq.c The errors are from missing (SDK) includes. I am not sure it will run properly (or at all)...
View ArticleBeginners • Re: Bluetooth headset difference bewteen Pi5 and PiZero2W
Hello - thanks for your feedback.I have a SOUNDPEATS RunFree (what satays alive for about 12 hours).I recognize comparing a window PC and the PI5, that the PI5 taks longer time before a sound is...
View ArticleRaspberry Pi OS • Re: how to install pi-apps? (pi3B, Stretch)
As I mentioned in a previous post, the Stretch packages are no longer in the main repository (this takes up space on many servers, which costs money to provide). It has been moved to a "legacy"...
View ArticleTroubleshooting • Re: crazy issues with NFS and 2 pi's
[/quote]If the Pi4 also shows this NFS 2-byte difference then maybe I do not understand the situation correctly.[/quote]It does not! I was just wondering if the pi4 might contribute to the problem....
View ArticleBeginners • Apache2 on Rasperry Pi 3 Model B
Hi,I have a raspberry bi 3 model B, I’ve tried to install an apache2 server using: Code: apt-get install apache2 php libapache2-mod-php And I get the following error, any help is greatly...
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