General • Re: Hazard3
I see Hazard3 supports some single instruction atomic read-modify-write operations, such as AMOSWAP.W and AMOADD.W. I think Cortex-M33 lacks the corresponding ARM instructions (which were added in ARM...
View ArticleSDK • Re: RP2040 inter thread synchronisation
Great work. Thanks for your persistence. It seems like everyone goes for TIMER_3 thinking it's the last thing anyone else would do ! Maybe you don't have stdio output at all.Indeed , all the Serial...
View ArticleGeneral programming discussion • Re: Programmatically Dim 7" LCD Monitor
Use ddcutil to figure out your device capabilities. Most likely itdoes not have a controllable backlight.Statistics: Posted by aBUGSworstnightmare — Sun Aug 11, 2024 3:14 pm
View ArticleTroubleshooting • Re: HDMI-CEC with Bookwork on original Pi B (not B+)
The key difference is (not working):Code: total_mem=256vs (working)Code: total_mem=512Both kms and fkms drivers require at least 512M of ram.The ancient 256M Pi1 can only run the legacy display stack,...
View ArticleC/C++ • Re: Pigpio GPIO mapping for pi 4B
I’ll try the command. Where I am confused is: according to Pigpio library, it uses the actual cpu gpio PIN number as an input. Even if the feeders pins are having the same role across all pis, their...
View ArticleSDK • Re: SDK 2.0.0
To trigger the install of the two different tool chains...Those toolchains must be coming from somewhere, and presumably the Extension has code which shows where from and how to install them. Maybe...
View ArticleClik here to view.
Interfacing (DSI, CSI, I2C, etc.) • PIO on RP1 (PRI5)
I have a special app that uses PIO on the RP2040 to measure quadrature encoders, but I need to reduce hardware costs and latency. I am waiting until March for the official support of running code on...
View ArticleAdvanced users • Re: rpi-sign-bootcode in secure boot for Raspberry Pi 4
Actually, I realise that my question is in fact answered by this thread (And what I followed to install the secure boot)viewtopic.php?t=344770So the answer is I guess, don't use the update-pieeprom.sh...
View ArticleTroubleshooting • Re: Boot Order NVME vs Micro SD
Raspberry Pi EEPROM Manager provides a simple and convenient way to view the current boot order as well as set a new boot order.Statistics: Posted by RonR — Sun Aug 11, 2024 5:43 pm
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: SPI display for RPI5 with dtoverlay?
Ah, Noralf Trønnes (notro) as the author and maintainer of mipi-dbi-spi has got a wiki page that has started accumulating config scripts at https://github.com/notro/panel-mipi-dbi/wiki/DisplaysI'm not...
View ArticleTroubleshooting • Re: PI 5 OS error mesages
Try a combination ofsudo apt update (you should generally always do that before you try to upgrade)sudo apt full-upgradethensudo apt --fix-broken installif it's telling you to use it.See what happens,...
View ArticleSDK • RP235X UF2 file format
Updating my UF2 tools to handle what a Pico SDK 2.0.0 puts out for RP235X ARM-S builds I noticed the UF2 Blocks are as follows -Code: Family Name Seq Num AddressE48BFF57 RP2XXX_ABSOLUTE 0 2...
View ArticleClik here to view.
Troubleshooting • Re: need a layout or screen shot of the available screen...
Here you goStatistics: Posted by neilgl — Mon Aug 12, 2024 5:20 pm
View ArticleOpenGLES • Re: [Opengles 3.1] Pi3C - Game Engine - Tim Skillman
I'm not knocking it, but your second link to download is to a fork of the main project, and it says it's only supported on Pi5 and Rock 5B, but not Pi0-4. That would be contrary to your quote of "fast...
View ArticleTroubleshooting • Re: RPi Zero-W USB power
The phone only wants 100maI find that hard to believe, that may be the minimum it will charge/operate at (eg from a current limited charger) but it is unlikely to be the maximum load it is capable...
View ArticleClik here to view.
Ubuntu • Re: Ubuntu 24.04 running slow on Pi 5
ubuntu desktop is just slow in general, compounded by the move to snaps.there priority is the x86-64 desktop, so rpi's are not optimized to the os.if you want a dedicated rpi optimized os that mostly...
View ArticleGeneral discussion • All chromium extensions stopped working.
Hello,Here is the hardware/ software info:Hardware: Raspberry Pi 4BOS: Debian (Buster V10)Chromium Ver: 88.0.4324.187--Problem: All my Chromium extensions stopped working on all my Pi 4B's. Why would...
View ArticleClik here to view.
Beginners • Re: Upgrading Pi 4 B to Pi 5
4. Bookworm will be upgraded to Trixie5. Could wait for Pi6?With reasons like those you may wait forever as the next versions after them will be in the pipeline by then....Yeah, I know but I've just...
View ArticleGeneral discussion • Raspberry Pi closes all apps and logs out.
Hello,Here is the hardware/ software info:Hardware: Raspberry Pi 4BOS: Debian (Buster V10)--Problem: I have 10 browser windows that display information, every now and then the screen will go blank (I...
View ArticleTroubleshooting • Pi 5 connection issue suddenly becomes very unstable
It was fast few days ago on my Pi5 with my Bluetooth keyboard and mouse.However all of a sudden, with the same keyboard and mouse, the WiFi connection connects and disconnects, and happening...
View Article