Bare metal, Assembly language • Re: RPi 5 always-on GPIO (bcm2712) control
I think it's actually starting from 0x107d517c00 (having the "0x10 prefix") according to this reddit postyou need to read the ranges= on each parent node, and apply the translations those define,...
View ArticlePython • Re: Pygame on Raspberry Pi looks very weird
Try this:Code: #!/usr/bin/env python3import pygameimport sysred = (255,0,0)black = (0,0,0)test_box = pygame.Rect(10, 130, 80, 60)pygame.init()screen = pygame.display.set_mode((0, 0),...
View ArticleTroubleshooting • Re: I want to use ky-013 for raspberry pie pico.
... and the constant 65335 in "temp = math.log(10000.0 / (65335 / read - 1))" should be 65535 == 0xffffThank you for the correct information.As you said, I modified it as the code below.But among what...
View ArticleCamera board • Re: "Or Better"?
In mergeviews, I'd put it round here:Code: request_2 = cam2_request if request_2 is None: return request_2.acquire()and in save_request it probably only needs to go round "cam2_request.release()", but...
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Bare metal, Assembly language • Re: RPi 5 always-on GPIO (bcm2712 gio_aon)...
Just wanna say that it works perfectly! Thanks a lot For anyone who stubles upon this, there's two relevant registers: GIO_IODIR (at 0x107d517c08; sets the GPIO direction - 0 is output, 1 is input)...
View ArticleRaspberry Pi OS • Re: how to make apt (-install) work again for Stretch?
WHY do you WANT to use apt on Stretch? There will NEVER be any updates and it is unclear WHAT you want to do. If you explained you might get more helpful responses.It is quite simple to run apt if you...
View ArticleCamera board • Re: How to optimice low latency video streaming from Picamera2...
I have tested with different settings all the result is about the same delay of 500 ms.Tests:create_video_configuration set to buffer_count=1, Delay of 500 mscreate_video_configuration set to...
View ArticleGeneral • Re: How to setup FreeRTOS for RP2350
I haven't tried it myself, but this video from Dr. Jon EA Ltd appear to be a very good starting pointRunning FreeRTOS Kernel on RP2350 and Pico 2Statistics: Posted by AndyD — Sun Oct 27, 2024 8:43 am
View ArticleBare metal, Assembly language • Re: SPI display and I2S audio
Unfortunately I'm currently not fully understand, why you have audio glitches, because the mini-organ example generates the sound entirely in the IRQ handler, so it should have priority over the SPI...
View ArticleTroubleshooting • Pinn not booting
I put pinn ing on a card using pi4 running pi imager. Put card in my pi 1 it failed to boot ? My question, I run a pi1b+ , pi3 , pi4 , pi5 is pinn compatible with all pi svc? From reading many posts...
View ArticleTroubleshooting • Re: Pinn not booting
My apologies for the typos, the contradictive texting on my android is beginning to REALY TIC ME OFF !Statistics: Posted by Kartingboots — Mon Oct 28, 2024 8:30 am
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MicroPython • Re: MemoryError: memory allocation failed, allocating 21858 bytes
I deleted most of the linesthe application is a motor drive.There are two programs activeThe first program is the menu control and globally all controlsThe second program is in core two, which serves...
View ArticleOther projects • Re: Need Help for Vein Finder Project
Bookworm does not have camera enable in raspi-config because camera modules are now recognised automatically.The script uses picamera library module, but we now use picamera2You need to change the...
View ArticleCamera board • Re: How to add cutom controls to rpicam-apps
Most of the options live in the "options" files, such as here. There are some separate options for video or still capture in other derived class files.Statistics: Posted by therealdavidp — Mon Oct 28,...
View ArticleTroubleshooting • Re: How to Enable Hardware Acceleration in Headless Chromium
The problem was indeed with Node.js/Chromium implementation. While trying to use hardware acceleration in headless mode with Node.js (through Puppeteer/Playwright), Chromium consistently fell back to...
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For sale • Re: New ElecLab 11.26" 440x1920 display, HDMI input or...
The shell has been printed and assembled. The Raspberry Pi 3 is running Bookworm 64. The speed is a bit slow, but it is just enough to run this simple application. For testing, I set the hourly time...
View ArticleHATs and other add-ons • Re: Issues with Streaming OV5640 on RPI5 CSI0 Connector
I have streamed the OV5640 on a Raspberry Pi 4 using GUVCVIEW. As I am new to the Media Controller API, could you provide me with some tips?Statistics: Posted by theseeker — Mon Oct 28, 2024 9:09 am
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MicroPython • Micropython Keyword list
Is there a keyword list somewhere online of all the words used in micropython?Even better a list of each keyword and how to use it?I was looking for select...case, but it doesn't exist Statistics:...
View ArticleTroubleshooting • Re: Is there a problem with microHDMI sockets being fragile?
The plugs are fragile. If these are wobbled up and down when plugging or unplugging, the connections between the visible metal part and the cable inside the plug will break.I support a school course...
View ArticleMicroPython • Re: Micropython Keyword list
https://docs.micropython.org/en/latest/ ... index.htmlStatistics: Posted by DougieLawson — Mon Oct 28, 2024 9:16 am
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