SDK • How to set an assembler routine to run in RAM?
What is the mechanism to set an assembler function to run in RAM?I assume there is a ".macro" equivalent of "__not_in_flash_func()" but I can't see anything obvious in the various .S files in the...
View ArticleTroubleshooting • Re: Raspi 5 8gb turns off shortly after boot.
I only mentioned commonalty because I would think it very unusual for 2 Pi to fail in such a short period of time.I have over a dozen Pi and the only one (a 1B) to fail over the years was user error...
View ArticleOff topic discussion • Re: Converseen - bulk image resizer
I'm currently using Upscayl. It's great for batch processing, but keep in mind it's limited to upscaling only. You can download it here: https://upscayl.org/downloadStatistics: Posted by pistephen —...
View ArticleSDK • Re: How to set assembler routine to run in RAM
What is the mechanism to set an assembler function to run in RAM?it is about linking, the code should go to section that goes to ram, in gcc C it is like '__attribute__((section(".mysection")))' where...
View ArticleSDK • Re: How to set an assembler routine to run in RAM?
The standard linker script puts everything in sections .time_critical.* into RAM.So in a .S file you want something like:Code: .section .time_critical.my_function_nameWhere for an ordinary piece of...
View ArticleGeneral programming discussion • Re: How to process MQTT data as they arrive?
Have a look at this:https://stackoverflow.com/questions/735 ... s-receivedThey use the pipe command to process output from MQTT.So in order to protect from disappearing URL:s I am showing the selected...
View ArticleTroubleshooting • Re: Raspberry Pi 5: USB and Ethernet Ports Not Working
Where did you install the OS to ? USB-device or SD-card?If you are new to this Pi5 etc, make sure you have a good SD-card. If you install to some random-quality USB-devce or SD-card, it is asking for...
View ArticleTroubleshooting • Re: IMX477 Camera Dropout Issue with Custom Carrier Board...
Think you are in the wrong forum!Statistics: Posted by aBUGSworstnightmare — Sat Sep 14, 2024 6:03 am
View ArticleBeginners • Re: Problems with Pico SDK for new users
For years I have been avoiding the ARM processors but the RP2040 had some interesting features worth trying. The hardware seems to do what they say but the SDK that that is meant for it is useless for...
View ArticleAdvanced users • Re: Image File Utilities
I understand /mnt is excluded in the backup which makes sense. That's why I asked whether a different mountpoint like /NAS/<external drive name> will be saved in the backup and restored. If not...
View ArticleAutomation, sensing and robotics • Re: How to control low voltage AC motors
Guess when 24VAC is connected between OPEN--COM then it turns in one direction; when connected between CLOSE--COM then the other direction. Motor current is quite low 1.5W, 24V need prox 60mA AC."read...
View ArticleAdvanced users • Re: Docker intermittently uses IPv6 despite disabling IPv6...
I wanted to disable IPv6 because Docker was intermittently attempting to connect to external services, such as Docker Hub, using IPv6 addresses. This was causing connectivity issues, with errors...
View ArticleClik here to view.
Beginners • Re: IRF520 MOSFET Module control via PI
It's this one:V+ and V- are connected to my PWM fan (pin 1 and 2)Vin and GND are connected to the 12V power supply.PIN HEADERSIG is connected to GPIO12 (pin number 32) on the Raspberry.VCC not usedGND...
View ArticleNetworking and servers • Re: Assistance with script to change Static IP
It's most definitely possible now. In fact, I'd argue that it's easier now than it was using dhcpcd since it's fully embodied in a well-structured command line rather than editing an easy-to-bork...
View ArticleTroubleshooting • Cannot get HDMI output working with new install
So I have a raspberry Pi 4 here, with an SD card that I carried from an Pi 2, from stretch to buster to bookworm. Because everything got messy and upgrading the system is not supported anyway, I...
View ArticleGeneral • Re: Official RP235xB boards?
There is a catch !With the new QMI, you have to tune the timing a little bit (which is good) when using Flash.I've just been able to run it from Flash at 420 Mhz, QSPI divider 1:3 > Flash at...
View ArticleTroubleshooting • Re: Cannot get HDMI output working with new install
It sounds like your monitor isn't returning a suitable EDID to report the modes it supports.Unplug everything from your Pi 4B, including the SD card. Connect the monitor and turn it on. Connect power...
View ArticleAutomation, sensing and robotics • Re: code PIR motion sensor to trigger a...
Good news it works...Just to make it clear for people reading this thread , have you connected this new relay directly or through a transistor to your pi ?Statistics: Posted by gordon77 — Sat Sep 14,...
View ArticleAdvanced users • Re: Pi5 and dual HDMI touchscreens
See viewtopic.php?t=376569Statistics: Posted by aBUGSworstnightmare — Sun Sep 15, 2024 6:09 am
View ArticleGeneral discussion • Re: Where are the Vulkan examples or is this purely...
They have a chronic problem with deleting my posts, especially true when the moderators don't like what I have to say.Strange. I've always found the moderators quite fair here.We are. Very fews rules,...
View Article