Bare metal, Assembly language • Re: Pi400 and USB
Having read back my previous post I didn't make myself very clear.The sample code works writing to a USB drive when the code is booting from the SD card.I'm trying to write to the USB drive with the...
View ArticleGraphics programming • Re: DRM_IOCTL_MODE_ATOMIC randomly returns EBUSY
Good info on DRM_IOCTL_MODE_RMFB. My app preallocates framebuffers and nothing freed until app shutdown. Hardware h265 requires DRM_IOCTL_PRIME_FD_TO_HANDLE once per unique buffer, but that was not...
View ArticleGeneral • Re: PICO 2 - Corrected version availability?
120 uA of current is not such a big deal for digital outputs to drive this input, they are working dynamically at much higher driving current (order of 10 mA, RPs have it configurable between 2-12mA)...
View ArticleNetworking and servers • Re: Connect Raspberry Pi to eduroam wifi
RPi GUI just uses the usual student login for the system, which around here is userrid@institutionaddress.ac.ukNo need to edit any text files which is great.Statistics: Posted by bensimmo — Mon Sep...
View ArticleTroubleshooting • Re: I had some sort of bad crash with pi 4 / network...
i find the issues i ran across were related to raspberry desktop & there customization'syou can try switching from wayfire to the other desktops, like X11 which is the old lxde setup, or install...
View ArticleMicroPython • Re: Can someone help me achieve 9 bit serial TX from Pico
ThanksI'll take a look when I get time, I am grateful for this. No doubt I'll be back when I don't understand it!Statistics: Posted by jimseng — Mon Sep 16, 2024 9:19 pm
View ArticleGeneral discussion • Re: New Pi 5 Revision? What changed?
Sometimes I feel that I am piling sticks on the fire, but I thought of something that might be advantageous if there is a rumor of a 5+ in the future. I would like to see the addition of a full USB-c...
View ArticleMicroPython • Re: MemoryError: memory allocation failed, allocating 153600 bytes
Thanks to hippie.Yes it is a Pico W, which might account for the difference you mentioned. I reexamined the code that I had from a working version and the difference was not using the [0xff]* sz form...
View ArticleTroubleshooting • Re: Raspberry Pi Zero 2 W No longer works after sudo apt...
I would get an HDMI adapter for the zero 2 and see what happens on boot.Or use a serial connection to your pi5 to see boot messages from the zero.Statistics: Posted by neilgl — Mon Sep 16, 2024 9:45 pm
View ArticleOff topic discussion • Re: A Blast from the Past
Not sure what we are meant to be seeing with a good look. It seems to be a 2011 Pi B, identical to what others show such as - https://www.sparkfun.com/products/retired/11546You might have to provide...
View ArticleBare metal, Assembly language • Re: Additional network drivers for Circle?
The USB CDC Ethernet driver in Circle has been added for QEMU usage and this is also the only configuration, which I have tested with it.Statistics: Posted by rst — Mon Sep 16, 2024 10:08 pm
View ArticleRaspberry Pi OS • Re: Can't get wayland running on Pi3B+
Thanks, that's good to know... I spent some many night on this already trying to make it work, compering config files with my other RPI400/RPI5 , i even re-imaged poor guy, then restored backup for...
View ArticleTroubleshooting • Re: Setting Pi 4 to throttle at lower temperature?
it already does that defaultCode: lscpu | grep MHzdo you at least have some kind of heatsinkcan you just splice the fan back in or connect it directly to the pi (pinout)i run a fan slow on the 3v3(1)...
View ArticleGeneral • Re: control a set of 15 inputs that output 15 outputs on Pico
This is farcical. Use code tags. Every time you post an "i" in square brackets the forum interprets it as "start italics" and removes it from the display. If you copy and paste this from the forum...
View ArticleBeginners • Re: GPIO reverse polarity.
Is it possible tor reverse polarity for GPIO.What I mean by this:1. When I set GPIO to input and connect it to ground my GPIO state would be HIGH.2. When I set GPIO to output and and to the power...
View ArticleBeginners • Re: Internet no help for update
Am I am not throwing a tantrum and if you can not say something good do not say anythingOk. I wont' say anything further to you. Ever.Statistics: Posted by thagrol — Tue Sep 17, 2024 9:55 pm
View ArticleGraphics, sound and multimedia • Re: Cannot send USB MIDI
You’re on the right track with aconnect. Check the ‘man’ page for aconnect (man aconnect), there are clear details showing the command line arguments.Statistics: Posted by Doug_ — Tue Sep 17, 2024...
View ArticleTroubleshooting • New Samsung USB3 thumb drive throwing errors
Hello All,With other PC I have had good results with Samsung USB3.1 thumbdrives. I plugged a brand new 64GB into the RPI4 and after a day got failure messages.Code: grep sda syslog.1Sep 16 20:19:35...
View ArticleAdvanced users • Re: [pr/legacy]
I would help if you told us which OS and which major release of said OS you're using.I don't see it on my RPiOS Buster, Bullseye, and Bookworm boxes.That might be because none of them are running the...
View ArticleTroubleshooting • Raspberry Pi 5 boot issues - possible EEPROM error?
Hi!I bought a brand new Raspberry Pi 5. I have been using 3B+ for a while now, but I'm still a beginner when it comes to a lot of things. I put the latest official OS on a brand new SD card, I used...
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