Bare metal, Assembly language • Re: RPi5 L1 cache
I assume you mean "BCM2712". Yes, the data caches are coherent up to and including L3.You must use appropriate synchronisation primitives (dmb) to ensure that a write on one processor is guaranteed to...
View ArticleHATs and other add-ons • Re: SSD Not Appearing
Unfortunately, saying "tried it, didn't work" isn't going to give any information about the problem."Tried it, didn't work" means the Pi is still NOT seeing the NVMe.I should have elaborated more....
View ArticleBare metal, Assembly language • Re: Bare Metal on a Rasberry Pi CM5 possible?
The following is just THEORY !If you can create a program that does not use any Linux I/O or other system calls, and it is one infinite loop. If that image is started and forced to run only on one CPU...
View ArticleSDK • Re: Bluetooth: which example should i look for?
Little OT, yes it was a thing, but so far just bought Lenovo keyboard and an adapter for FCP tape. Meantime some BTstack "problems" with BLE HID was worked around then officially resolved (composite...
View ArticleTroubleshooting • Re: Newbie help moving files
Does the directory /var/html/ebooks/config/ exist?And is your downloads directory called downloads or Downloads?(mine is /home/pi/Downloads )Statistics: Posted by neilgl — Tue Jan 14, 2025 8:55 pm
View ArticleRaspberry Pi OS • Re: Serial terminal software (PuTTY & minicom) not...
PuTTY (Release 0.78) correctly displays a PuTTY Configuration window.Everyone should upgrade beyond release 0.81 (which has a security exposure). The current version release 0.82 works OK for...
View ArticleTroubleshooting • Re: [RPi5] Persistent 'input / output error's - I am at a loss
Might be that "USB dongle for 2.4GHz keyboard & mouse"Statistics: Posted by neilgl — Tue Jan 14, 2025 9:05 pm
View ArticleSDK • Re: pico_util/datetime errors
Here's the project cmakelists.txt if it is of interestCode: cmake_minimum_required(VERSION 3.13)set(PICO_SDK_FETCH_FROM_GIT off)set(PICO_PLATFORM rp2040)set(PICO_BOARD...
View ArticleAdvanced users • Re: GPIO headers on bottom, again
I think I'll try that for now to avoid having to redo my relatively freshly hand-assembled custom board yet again. But that's only a temporary solution.If its your "hand-assembled custom board" why...
View ArticleGeneral • Re: Solar tracker with pi pico
Instead of using a 'sun tracker', you could calculate its position and adjust the motor accordingly.So basically a wireless motor that I manually turn? Or an agothrithom the calculates and moves it?...
View ArticleBeginners • Re: Geany Debugger Does Not Start
For a "hello world" C program, what I did was to add the debugger support plugin and a visual gdb plugin to Geany:Code: sudo apt install -y apt geany-plugin-debuggersudo apt install -y apt...
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AI Camera - IMX500 • Re: AI Camera (RP2040) firmware update for second camera
So i did the above way out to update both cameras by leaving only one in each turn. The issue could be closed or let it as a nice to have improvement. In my case i didn't want to open the enclosure i...
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General • Re: Some queestions about raspberry pi pico
A lot of noise around.yeah,I use rp2040 as the MCU in my board.Fortunately,my board started work again .Maybe there is something wrong in my pc coms.Anyway ,thank you guys.To blink, or not to blink,...
View ArticleTroubleshooting • Re: No voltages on pin 1 and 2
They're supposed to be 3.3v and 5v respectively, yet getting nothing from them when I attach a multimeter on the said pins and gndIn addition to what has been suggested...Are you holding it the right...
View ArticleTroubleshooting • Re: Low output volume when playing music over bluetooth
Not sure exactly what I did that solved this, but started with doing these changes in the config.txtCode: dtparam=audio=offdtoverlay=vc4-kms-v3d,noaudioand after a reboot, PipeWire was the default...
View ArticleSDK • Re: Can't get TinyUSB HID to work
Or you can try with CherryUSB. CherryUSB "integrated" into project. Two versions. 0.10.2 where RP support was ditched and 1.4.2, with some little changes. Modified it a bit, so runs on RP2350 as well...
View ArticleGraphics, sound and multimedia • Re: Pi 5 with 8 USB camera
Have a look at Zoneminder. Not sure if it runs on Ubuntu on Pi ?Statistics: Posted by neilgl — Thu Jan 16, 2025 8:28 pm
View ArticleTroubleshooting • Re: constant freezing with the raspberry pi 5 under any...
Did anyone seeing this issue try an overvolt in config.txt to see if it helped?over_voltage=xwith x=1-9. I'd start at 5 to see if that helps then reduce until failure.Statistics: Posted by jamesh —...
View ArticleBeginners • Re: RPI5_Access point
Does it work if you set the Pi5 up as a hotspot using the standard documentation?https://www.raspberrypi.com/documentati ... le-hotspotStatistics: Posted by neilgl — Thu Jan 16, 2025 8:31 pm
View ArticleGeneral discussion • Re: Pi 3 A+ prefers 6V instead of 5V?
Thanks for the replies, allMoving forward I'll either use USB adapter or power bank rather than 6V ACAnd will check the voltage my pis are getting from the adapter in the first placeStatistics: Posted...
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