Android • Re: [DEV] LineageOS 21 (Android 14) for Raspberry Pi 4 & Pi 5
I'm having trouble with TWRP on my CM4 -- the recovery process repeatedly segfaults:Code: console:/ # [ 10.127111] init: starting service 'recovery'...[ 10.132585] init: Created socket...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Using TDM I2S on the 5
The RP1 datasheet? It doesn't say anything of the capabilities wrt TDM. It only points out the Synopsys driver for a "reference implementation", which is why I post the question here, where supposedly...
View ArticleAutomation, sensing and robotics • Re: solid state relay not working as i...
- this SSR only switches AC loads- load current is 0.1 A to 2A * For tests use a legacy bulb (no LED) with min 30W@220VAC- load voltage is 75 to 264 VAC *, so not suitable for low voltage...
View ArticleGeneral • Re: RPi Pico W : USB Device Malfunctioned Issue
even when i press the BOOTSEL button and plug the usb cable into my pico w i get an error on windows saying USB Device MalfunctionedStatistics: Posted by mubamistry2520 — Sat Oct 26, 2024 6:51 am
View ArticleTroubleshooting • Re: dnsmasq refuse SOA <Root> requests
Changed toauth-server=mypi.domain.local,wlan0/4 then SOA <Root> was not refused- Beats me whyStatistics: Posted by MatsW — Sat Oct 26, 2024 7:40 am
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 == 0xffffStatistics: Posted by ghp — Sun Oct 27, 2024 6:06 am
View ArticleTroubleshooting • Re: Unable to run zinc on the Raspberry Pi 4B using mesa 24
so, PI4 OpenGL >2.1 is software renderer, right?Statistics: Posted by cjan — Sun Oct 27, 2024 6:17 am
View ArticleTroubleshooting • Re: Pi 400 Boot and Keyboard broken after 2 days?
Why clean the keyboard if it's only two days old?Anyway, get another SD card, write the latest Raspberry Pi OS to it, and try again.Statistics: Posted by ame — Sun Oct 27, 2024 6:21 am
View ArticlePython • Re: PID controller help
It took me a while to figure it out.Maybe this will help. Put this print statement as the very last line of your code where my example prints "All finished"..Code: print("Releasing all program, data...
View ArticleBare metal, Assembly language • RPi 5 always-on GPIO (bcm2712 gio_aon)...
I'm making a simple blink bare-metal example program for the Pi 5, and I wanted to blink the on-board green (ACT) led.According to the linux kernel files, the ACT led is connected to GPIO 9 of...
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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 post: https://www.reddit.com/r/raspberry_pi/c ... are_buttonCode: $ sudo grep -i gpio...
View ArticleAutomation, sensing and robotics • Re: 2 Relays Module with JD-VCC
The referenced pdf file shows the schema of the board. Compare with the schema in viewtopic.php?f=91&t=83372&p=1225448#p1225448 Do not use the jumper shown in the image on J5. Connecting relay...
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 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 ArticleGeneral • Re: output(printf()) does not show in the serial monitor
After adding this below code in multicore.c file./****************************************************** * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause...
View ArticleCompute Module • Re: Camera unable to capture image on compute module 4 with...
I am using a Compute Module 4 with an external PCI connection. I have attached a USB camera to the PCI and am observing the issues mentioned above. I have also checked the kernel logs and other logs...
View ArticleBeginners • Re: ws2812 pwm and wled
So you want to replace ten LED on an existing device with a more colorful implementation using a raspberry pico and ten ws2812 ?Just for curiosity, how will you 'tap' the existing device to acquire...
View ArticleTroubleshooting • Re: how to force rpi3 (Bookworm) to output 1080p?
Did you look in the mamual/documentation?https://www.raspberrypi.com/documentati ... d-rotationStatistics: Posted by bensimmo — Mon Oct 28, 2024 6:16 am
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