Troubleshooting • Re: Booting a system from USB sometimes breaks bootloader
When the bootloader is broken, then without SD card or USB drive I get from green status led 3 long and 1 short flash.Statistics: Posted by ronperek — Wed Jun 05, 2024 9:00 am
View ArticleCamera board • Re: HQ Camera blue and purple colors
Yes, you're right of course that you can change the white balance with the "ColourGains" control. You should do that if things that are supposed to be grey are not grey (or at least, not sufficiently...
View ArticleC/C++ • Re: Alternative to bcm2835 for pi5
As mentioned you can use the linux/spi/spidev.h header and implementation for SPI through, e.g. /dev/spidev0.0. If you need GPIO, then GPIO Character Device Userspace API is the key. There is a...
View ArticleCamera board • Re: The pixels value for 12 bit width image does not exceed 2800
(Just to add that things are different on a Pi 5 - more details here.)Statistics: Posted by therealdavidp — Thu Jun 06, 2024 8:05 am
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Troubleshooting • Re: RPi5 - 'Fatal firmware error'
Thank you very much for your responses. This confirmed my belief that it is a hardware problem.The failure is getting an incorrect chip ID back from RP1.You can actually see this earlier in the log....
View ArticleBeginners • Re: Permanent file name
Is there a way to set a text file to have an unchangeable name from save?You could arrange permissions on a Linux filesystem so that you the creator of the file has full control, while other users...
View ArticleTroubleshooting • Re: 2017 model 3B+ can’t upgrade 2019 OS now can’tdo a...
If it is a video issue, (this won't fix a bad EDID), but sometimes just swapping the hdmi cable around (put Pi end in Monitor and vice-versa) will work. I know it shouldn't matter, etc.., but...
View ArticleBeginners • Re: Using a Pi-Hole with only WiFi access
My networking knowledge is limited to little more than running IPCONFIG on Windows. How do I find out the IP address and name of the DHCP server that I am currently connected through ? Could that be...
View ArticleOther • Pi5+hp laptop=performance?
I was reading something from a website and it said it's technically possible to upgrade your laptop (pc) performance if its windows with a raspberry pi 5. is it possible and how do you do it if it...
View ArticleTroubleshooting • Re: Using gpio-shutdown does not force file-system to sync...
Our solution was to design our carrier board with a super capacitor. When the power is cut, GPIO 9 is pulled high, and the super capacitor supplies the pi with enough power to shutdown. How long can...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Several I2C Devices, how to wire them?
You know what you're doing?I would guess switching on all 12 Relays would consume too much power for the RPI GPIO pins?As said: PI GPIO is running on 3.3V. If your boards pull the interface to 5V...
View ArticleTroubleshooting • Re: Waveshare OLED/LCD HAT (A)
fbcp relies on an API that has been deprecated since Bullseye was released, and the headers for which are no longer present by default in Bookworm. Memory says they would only work with a 32bit...
View ArticleOther • Re: Pi5+hp laptop=performance?
Nope, not a useful thing to do.Statistics: Posted by jamesh — Thu Jun 06, 2024 8:51 am
View ArticleTroubleshooting • Re: Update process hangs during a fresh installation of...
Just to add to this thread. I have just installed Bookworm (32bit) on an SD card for my old 1GB Pi2B and it's painfully slow installing updates. I have increased swap to 1024, and rebooted, Top shows...
View ArticleHATs and other add-ons • Re: Reliable SSDs for use with Raspberry Pi 5 and...
I can only say that my Corsair MP600 CORE MINI 1TB M.2 SSD is working fine with the RPi 5 and RPi M.2 HAT.Statistics: Posted by WouterO — Fri Jun 07, 2024 8:27 am
View ArticleNetworking and servers • Re: Sharing subdirectories using SMB
I see the following on dmesg immediately after mounting the NT share:Code: [ 1652.400315] Key type cifs.spnego registered[ 1652.400327] Key type cifs.idmap registered[ 1652.400696] Use of the less...
View ArticleCamera board • Re: Recording 4k with raspberry pi5 and HQ Camera
Dear Sirs.I just read this thread.We still have some inventory of IMX258 module and the board which support mipi 4lane mode.Because the cam_helper can be ported from cam_helper_imx477.cpp by changing...
View ArticlePython • Re: Used to work now doesnt
Add logging to your code at each stage to help isolate the issue:Code: import logginglogger = logging.getLogger(__name__)logging.basicConfig(filename='test.log',format='%(asctime)s %(message)s',...
View ArticlePython • Re: Serial communication problem
OK,small progress. I noticed that the timeout and time.sleep are important. With different settings, sometimes it responds correctly, but more often it doesn't respond at all. I tried times from 0.1...
View ArticlePython • Re: Freenove ultimate starter kit raspberry pi
{Added later...}this is meant to make the LED run If your code is a copy of what Freenove have made available at https://github.com/Freenove/Freenove_Ul ... y/Relay.py then there is nothing that will...
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