Compute Module • Functionality of GLOBAL_EN vs RUN_PG
Hi, all. We are designing a carrier board for the CM4. After reading through the documentation, I have become confused about the `GLOBAL_EN` and `RUN_PG` signals. I have gathered the following:[*]...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
I've checked with sales, production has now ramped up (there was a delay due to some packaging issue), but devices are being sent out to AR's worldwide, so the channel should be pretty well stocked in...
View ArticleOther RP2040 boards • Re: W55RP20-EVB-PICO
I got one of these today and was planning to add Ethernet to an existing "Arduino Project"@TransonicYour experience with the Arduino libs looks not so good. Is this "Ethernet2" you are using? Have you...
View Article日本語 • Re: SONY AI Camera for RaspberryPI
大谷さん、太田です。ご無沙汰です。えっと今この辺りソニーにもMakerFaireにデモをだしていたので、今情報収集中です。収集出来次第、うちのUGのブログでお出しします。しばらくお待ちを。Statistics: Posted by masafumi_ohta — Wed Oct 02, 2024 10:30 pm
View ArticleSDK • Re: Compile not reporting correct RAM usage
I guess I wouldn't operate a space station on it, but there might be some niche BTW, testing some program on RP2040 older GCCs wasn't performing but for 2350 8.3.1 and 9.3.1 was bit over 10% faster...
View ArticleGraphics programming • Re: Fast direct access to texture/framebuffer memory...
Oof, nasty hacks to be doing cache manipulations directly from userspace.Having said that, the dmabuf sync ioctls are across the entire buffer, so are slightly heavier weight than your partial...
View ArticleTroubleshooting • Re: Ssh/putty not working with raspberry pi 4b
Which OS did you install?So you've installed Putty and OpenSSH on your Windows 11? Do both Putty and SSH return the same error.Do you have access to the PI through the GUI? If so, can you run 'ssh...
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Other RP2040 boards • Re: Custom RP2040 board: DVDD floating??
Sadly, you don't seem to have taken on board the advice I gave you last time - GROUND IS IMPORTANT!At least in the zoomed-in plots, there is no connection at all between the ground on the left-hand...
View ArticleRaspberry Pi OS • Re: Can't Install Updates on Pi 400
You're upgrading a lot of stuff there. How much space have you got available? Use "df -h /" to find out.Code: notpi@raspi15:~ $ df -h /Filesystem Size Used Avail Use% Mounted on/dev/root 14G 5.7G 7.7G...
View ArticleGeneral discussion • Re: Raspberry Pi Zero 2 WH
Its sold out from every official supplier in the US. Any update on when that will change?Statistics: Posted by lualeer — Wed Oct 02, 2024 11:30 pm
View ArticleRaspberry Pi OS • Re: What to do if you don't know the root password
Sorry, user pi is not authorized to execute as root on raspberrypi?As should be the case since the user name "pi" has been deprecated for quite some time especially for an "admin-like" user with sudo...
View ArticleBeginners • Re: Looking for a Minimal OS for Raspberry Pi with Automatic...
First thing to work out is whether your software needs the desktop to be running or not. If not either use RPiOS Lite or configure your existing OS via raspi-config to boot to the command line.After...
View ArticleGeneral discussion • Re: run QT app on hdmi screen without login
There are several:[shameless self promotion]Running A Program At Start Up A Beginner's Guide[/shameless self promotion]But you may find your QT app needs a (minimal) desktop.Statistics: Posted by...
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SDK • Re: troubletrouble defining a macro to replace a zero argument fn call:...
hint, I asked Chat GPT, so don't think I know anything,LOL.Thanks, my experience with that tool is it produces stuff with all the right words and sounds like it really knows what it is talking about...
View ArticleAI Camera - IMX500 • Re: imx500-all fails to install via apt
Thanks for reporting the issue. I'll take a look.Statistics: Posted by ShiftPlusOne — Thu Oct 03, 2024 10:27 pm
View ArticleTroubleshooting • Duplicate Debian Bookworm RasPi Won't Boot - UUID Doesn't...
After configuring a complete raspian bookworm 12.7 on a 128 GB SanDisk extreme I attempted to duplicate that on an essentially duplicate SanDisk ultra 128 GB using Macrium reflect to create a bit copy...
View ArticleSDK • Pico as debug probe problem
I installed Visual Studio Code and the Pico Extension on a Pi5. When I tried to start a Debug session I first went instantly into trouble, because the included openocd version did not include the...
View ArticleOff topic discussion • Helene --> North Carolina --> Potential chip...
https://www.nbcnews.com/business/busine ... rcna173933Mines in the town are the worlds only source of quartz pure enough to make crucibles to melt silicon to grow the bars to slice wafers from....
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: RPi4 Model B VCHIQ not sending a...
I found the root cause. It was because I was not setting the top 2 bits of the physical address of zero slot to 1 before sending it to VideoCore. Apparently the top 2 bits enable cache coherency....
View ArticleGraphics, sound and multimedia • Re: Epson TFT Printer Display
Like with any random display: no data sheet --> not possible to connect!Find the data sheet of the display, post pictures of it. Then people might be able to help.I don't know very much about stuff...
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