Graphics, sound and multimedia • Map of RPi5 HVS registers
Hi,I'm trying to control the GPU's HVS module by writing directly to memory. An approach to this is described here - https://blog.benjdoherty.com/2019/05/21 ... splay-List - though in my case I plan...
View ArticleTroubleshooting • Re: Completely Uninstall Raspberry PI imager
On macOS, Imager uses the default QSettings path - so on my install, it's located at:~/Library/Preferences/org.raspberrypi.Imager.plistSo, to remove your saved configuration using a macOS...
View ArticleTroubleshooting • Re: Pi5 more susceptible to glitches on Vdd
I think you'll find that you've triggered a PMIC overcurrent which resulted in a board reset.Directly charging a supercap from a supply rail is a bad thing to do. Unlimited current can flow through...
View ArticleBeginners • Re: Rpi 5 and HC-SRO4
THANKS!!!Statistics: Posted by sismith1 — Mon Aug 05, 2024 4:00 pm
View ArticleAutomation, sensing and robotics • Robotic
Hello, everyoneI would like to build a robot for the chicken coop.My control is MSRTask:The robot drives around the stable. In the case of an obstacle such as metal post, concrete wall, etc., he must...
View ArticleOther RP2040 boards • Re: RP2040 with ESP8285 on board
Well, I seem to have gone backwards. Yesterday, afterflashing both chips, I was able to blink the green LED, whereas I could only switch it on before, not off. I then moved onto trying to test the...
View ArticleTroubleshooting • Re: RPi used a bridge is not stable
I recently configured a Pi3B+ like you describe/want, but not in bridge-mode but routed-mode. (I just wanted a method and backup internet to prove that some regional government website is not...
View ArticleFor sale • Re: Can I do a NVMe hat give away here?
My feedback: make opportunities to participate convenient. To benefit from your 'Prize Draw' would need me to be online at 02.00 am local time here in the UK. That's not going to happen...It's...
View ArticleTroubleshooting • Re: Don't move windows when powering on monitor
I will give that a try. Thank you very much for the response!Statistics: Posted by wsirons — Tue Aug 06, 2024 3:34 pm
View ArticleTroubleshooting • Re: Is this symptomatic of a failing SD card?
Further to this, I've got a new card and installed Bullseye 32 bit on it. Full GUI. I've put my application on it. And guess what? It doesn't run.I use 2 serial ports : '/dev/serial0' which is...
View ArticleCamera board • Re: Preview.DRM not working Picamera2 and GS camera
Hi, and thanks for your post. I think this might be a good moment to start a new thread rather than to attach it to the bottom of the rather longer discussion here. Would that be possible? When you do...
View ArticleTroubleshooting • Can I choose the wifi frequency?
I have an old Pi running bookworm lite with a USB wifi adapter which has 2.4 Ghz and 5 Ghz capability.Firstly how can I tell which frequency it is using?Secondly is it possible to force it to use one...
View ArticleOther RP2040 boards • What can I do with a PicoW Clone with ESP8285 network...
So, having bought something described as a Pico W only to find that it wasn't a real Pico W, instead it contains an ESP8285 wireless chip.I've already bought a proper board, and it fired up...
View ArticleGeneral discussion • Re: old libraries of GPIO not working on pi 5
We recommend libgpiod for C/C++ and gpiozero for Python. Both use the correct Linux APis to access the GPIOs.Statistics: Posted by jamesh — Tue Aug 06, 2024 4:07 pm
View ArticleGeneral discussion • ST7789 1.47 inch display
Hey I am trying to get the 1.47 inch display working with rpi 5.https://www.seeedstudio.com/1-47inch-17 ... -5756.htmlI am referring to viewtopic.php?p=2132822&sid=2a95c592ed7 ... abddcd8650 but...
View ArticleAdvanced users • Re: Pi5 - H.264 with YUV444 colorspace
What is the hardware decoding support with YUV444 and H.265 on Pi5 and Pi4 (just to paint the complete picture when people search for it on the forum)Statistics: Posted by RubenSpruijt — Tue Aug 06,...
View ArticleClik here to view.
Interfacing (DSI, CSI, I2C, etc.) • Re: DSI bug on Pi 5
Great news, that new PR fixed it! Great job @njh and thank you for all your help! Statistics: Posted by colerd — Tue Aug 06, 2024 4:15 pm
View ArticlePython • Re: Installing MARIADB on Bookworm with Python
Yes what rpdom said, and as per my post earlier.Also a simple python script to write some values into a table worked fine.Statistics: Posted by neilgl — Tue Aug 06, 2024 4:16 pm
View ArticleGeneral discussion • Re: Can I retrieve data from a corrupted SD card?
Corrupted (messed up file system) or infected (malware). You use both terms and they are very much not the same, and would dictate different approaches.Statistics: Posted by bjtheone — Tue Aug 06,...
View ArticleTroubleshooting • Re: Lxterminal not displaying foreign characters
>localeLANG=en_US.UTF-8LANGUAGE=en_USLC_CTYPE="en_US"Your LANG setting is correct.LANGUAGE and LC_CTYPE are wrong. Without the .UTF-8, they do not support Unicode. These variables take precedence...
View Article