SDK • Re: I'm having trouble with SDK 2.0.0
My guess is that you didn't delete your build directoryAs I stated above, part of my process for switching SDKs is to delete the build directory. It's a convoluted process because the VisualGDB always...
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Troubleshooting • Re: getting OSError: libbcm_host.so: cannot open shared...
Bit of background: I've recently upgraded the Pi that runs my Node-RED based home automation system from Raspbian Jessie(!) to Pi OS Bookworm, and though it's taken me a couple of days to get my...
View ArticleGeneral • Re: RP2350: wiring for external DVDD supply
I too have the same question, the datasheet seems to give insufficient information on this. Two things I did find:1. "VREG_AVDD also powers the chip’s power-on reset and brownout detection blocks, so...
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Other projects • Re: Thermal printer for photobooth printing too dark
On the screen u can see urself before it prints for a few seconds…I am in a very well lit area the pictures were coming out fine before just super light so I changed the paper inside to a better...
View ArticleGeneral • Re: What limits maximum external clock freq on GPIN0/1?
Here, how I would think about your issue:I assume to use a RP2350 (new one) with 150 MHz internal core clock frequency.A) so, if I would use a PIO to sample this GPIO, I would need two instructions to...
View ArticleTroubleshooting • Re: Raspberry Pi 5 in standby mode?
4 hours into it, the microSD has been fine.I'm going to try plugging the SSD into the USB 3.0 plug tomorrow & see what happens.Statistics: Posted by Hardliner — Sun Sep 01, 2024 10:56 pm
View ArticleAdvanced users • Re: How to detect Raspberry Pi 5 is power on through GPIO
That requires software, I need detecting on hardware level that doesn't require any specific software running on the device that is being checked.Are you willing to make a minor change to its...
View ArticleGeneral discussion • Re: Trying to set up minidlna, doesn't work
Would this be a new install of RPiOS Bookworm? With miniDLNA running as a user other than torres?When creating a user's home directorry Bookworm sets permissions to rwx------ (a.k.a 700) that prevents...
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Camera board • Re: Latency builds up when decoding H264 with V4L, not with LAVC
Can you inform on what versions of EEPROM, firmware, kernel?It has persisted across multiple kernel versions. Currently I'm running "6.6.31+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1...
View ArticleBeginners • Re: Control GPIO with shell
Use the libgpiod tools - they work on any Linux platform. You can find them in the gpiod apt package.The apt packages are currently the libgpiod v1 tools that require you to specify the gpiochip to...
View ArticleBeginners • Re: Raspberry pi 5 active cooler not spinning
Sounds like a kernel issue. Try switching back to the 16k kernel in '/boot/config.txt' and update your firmware with 'sudo apt update && sudo apt full-upgrade'.Statistics: Posted by...
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General • Re: Pico2 (RP2350 B) running beyond 600 MHz, from flash, with...
Thanks !The Flash and the PSRAM on this board are both rated at 133 MHz, no worries, didn't messed with those... yet. On the other hand, running fully bloated python from Flash with a 10000 loops of...
View ArticleRaspberry Pi OS • Re: How to access I2C device from user space
That was a big help! thanks!I had wondered if I had broken the SHT45 hardware and it wasn't probing. So, I added some pr_alert()'s in sht4x_probe() expecting to see them in /dev/kmsg when I...
View ArticleSDK • Re: SDK2.0.0: GPIO questions
What is non-secure code?I guess i could have answered that... really i was being lazy; i mean "code running in the non-secure state", though due to vagaries of TrustZone-M often a piece of code can...
View ArticleGeneral discussion • GPIO output voltage at startup
Setup Details + Intent:My PI, in the current setup, controls a few peripherals depending on whether GPIO14 is a 1(3.3V) or a 0(0V). What I hope to do is for PI to boot-up, and automatically run a...
View ArticleTroubleshooting • Re: Raspberry pi5 and power on from gpio 3
I think you can declare victory now.Victory was never my aim. Understanding was.And yes, POWER_OFF_ON_HALT=1 would make all GPIO go off on shutdown. But that wasn't why I suggested you try it. I...
View ArticleTroubleshooting • Re: Read only file system error
Partitions can be mounted read only. Depending on file system and which driver is in use some can only be mounted read only.A read only mount trumps any permission set in the filesystem or mount...
View ArticleNetworking and servers • Re: Why can't I connect to RSP 4 with SSH?
What's more, here is the detail in ifconfig about eth0:admin@raspberrypi:~ $ ifconfigeth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 169.254.152.6 netmask 255.255.0.0 broadcast...
View ArticleGeneral discussion • Re: GPIO output voltage at startup
I was able to get some insight from this post: viewtopic.php?f=44&t=35321I was also able to verify that GPIO18 doesn't exhibit the same behavior -- it stays at 0V from power-on to when I run my...
View ArticleBeginners • Re: Raspberry pi 4B PSU question
Thank you for all the feedback everyone.Statistics: Posted by microberry — Tue Sep 03, 2024 12:32 am
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