General • Re: Help with PIO fundamentals to drive matrix-based displays.
I have made progress but it's still not right. I have successfully sent DMA to the PIO but it is just shoving it in as fast as it can and ignoring the FIFO buffer. I thought I found the solution with...
View ArticleTroubleshooting • Re: Changing Screen resolution
Ok, went to Preferences and Monitor. I changed to 1920x1440 and clicked saved. Said it saved it, rebooted and came back up same max resolution. I give up. I guess it will not allow changes. I will...
View ArticleAdvanced users • Re: Power On Raspberry Pi 5 Automatically
Unfortunately neither usb_max_current_enable=1 or disabling the performance options under raspi-config helped. When I apply power, the status LED is red and stays red until I press the power button. I...
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Beginners • no video using RPI5 and Bookworm
I am using a new RPI5 and bookworm with a motion detector and a V2 camera attached. The following code has two alternative lines, each beginning with "os.system." When I hash out the second one, the...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: What is the fastest baudrate for RPi...
In my last test I used a function generator with a 750 kHz square wave to generate 'U' bytes with a perfect 1,500,000 baudrate and I was still getting the occasional characters getting screwed up. If...
View ArticleAdvanced users • Re: Rasperry Pi 5 - Hardware PWM not working anymore after...
Thanks for this thread. I noticed today that a printer enclosure fan was not working, and traced it down to the same "invalid argument" error when trying to write sysfs pwm period/duty parameters...
View ArticleTroubleshooting • Re: KBD Shortcut ToggleShowDeskop "C-A-d" not...
Well, thanks for that bit of info, would have been nice if you could have told me the windows manager or file to modify or KBD shortcut.Anyway, previously, before I posted here, I saw mention of...
View ArticleTroubleshooting • Re: An Operation Is Already Pending
I've searched around at home and found an old spinning 40G 2.5" drive in a USB2 caddy which was ntfs (latest files on it from 2010).Plugged it in to updated RPiOS Pi. I get a mounted drive appearing...
View ArticleGeneral • Re: Clarification on GDB firmware load
i think i saw some special code in openocd, so when you try to write to the flash, it will call the correct rom functions to actually re-flash it properlyi can see how gdb would be going thru that,...
View ArticleBeginners • Re: SSH to Raspberry Pi Zero W
under SSH set X11 forwarding to 'Enable X11 forwarding' You shouldn't really do that unless you're actually going to use it. It is not needed for pure command line stuff nor is it needed for VNC.It's...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Raspberry Pi 5 MIPI to HDMI
Are you wanting to see the same output on each screen or have 3 different displays?We're trying to splice video data from 3 cameras with 1080p resolution and display all 3 at once.Statistics: Posted...
View ArticleTroubleshooting • Raspberry Pi 5 / Bookworm 12 / CUPS / Star TSP100
Trying to set up my Star Micronics TSP100 (Model: TSP100II, also has 143IIU on the label under the printer) on my Raspberry Pi 5, Bookworm 12. Tried following this tutorial that I once did on my...
View ArticleScratch • Re: Variations in Scratch 3
What is "the optimized standalone scratch 1.4" and how can i get it?NuScratch is enough different than Scratch 3 that I think of them as different languages. You should test them yourself, but...
View ArticleAdvanced users • Re: VNC on headless pi 5 with PI OS (Bookworm) Lite
What is its primary task - should be easy to copy it to a new microSD card that is running Bookworm with desktop.It isn't running off a microsd card.It is working as a home server, performing various...
View ArticleTroubleshooting • Raspberry Pi 5 / Bookworm 12 / XScreenSaver
Wanted to install XScreenSaver, everything installed fine. Set everything up and waiting for the screensaver to activate. The screen went blank but should of displayed "A fiber-optic Lamp"...
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General discussion • Re: A Pi Pie Chart
For personal travel I wanted a cheap laptop. Searched on German amazon for laptop, condition new and sorted by price low to high. The first with 15.6" looked interesting, for only 160€(170$): AOCWEI...
View ArticleTroubleshooting • Re: Raspberry Pi 5 / Bookworm 12 / XScreenSaver
By default RPiOS on the Pi 5 uses Wayland/wayfire not X11/lxde to run the desktop.Not all X11 applications play nice with Wayland.You can switch from Wayland to X in raspi-config. Look under advanced...
View ArticlePython • Formerly working and now not?
Hello, I have been using the following code to send text messages to myself for various purposes...I havent used it in a while but when I tried now all of a sudden it is raising the error message...I...
View ArticlePython • Re: Formerly working and now not?
any idea how to troubleshoot this?Read the error message. Look at the circumstances that cause that error message to be raised. Investigate each potential cause. Fix the cause of the error.Statistics:...
View ArticleBeginners • Re: NTP time issue
Great, thanks. Will check into that as I did read something about someone else having that issue so good to have a script as well.Statistics: Posted by martyp — Sat Apr 13, 2024 12:29 am
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