General • 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 ArticleGeneral • Re: RP2350 Errata E9 - Pull-down lock-up
Ok I have posted elsewhere but I think I have my adc problems resolved.Two code changes. First is not to call adc constructor on each read but only once on configuration change i.e from touch detect...
View ArticleTroubleshooting • Re: Raspberry pi5 and power on from gpio 3
Using bit 20 (gpio=21=op,dh in config.txt) and POWER_OFF_ON_HALT=1 in the EEPROM make standby and shutdown appear the same externally except you watch pin 20 instead of the 3.3v pin. This however...
View ArticleGeneral programming discussion • Re: "AI assisted" programming?
How can something that is not sentient "understand" anything? You believing it to be the case does not make it so.I don't think I need to be involved in it either way. Sam Altman has forgotten more...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Power on 2 pi's with 1 switch
Hello, I have a powerbank that supplies 5v 3a per socket (separate links), my goal is to have a singular button that powers both pi's at the same time. As far as I understand it, if I ground both...
View ArticleGeneral • Tiny USB question.
Hi guys,Just wondering, does TinyUSB utilise any of the onboard GPIO's behind the scenes?I have a board that utilises almost every GPIO and have now integrated TinyUSB in to my project.The symptoms...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Power on 2 pi's with 1 switch
Hello, I have a powerbank that supplies 5v 3a per socket (separate links), my goal is to have a singular button that powers both pi's at the same time. As far as I understand it, if I ground both...
View ArticleTroubleshooting • Read only file system error
I am experiencing a "Read-only file system" error while using gallery-dl on a directory that should be writable. Despite mounting the filesystem as read-write and having correct permissions, the issue...
View ArticleSDK • Re: SDK2.0.0: GPIO questions
https://embeddedsecurity.io/sec-tz-basicsTLDR - "non secure" is a security state of the processor. in that mode, it may have limited access to flash/memory (and in the case of RP2350 DMA channels,...
View ArticleRaspberry Pi OS • RPiOS is Really Wonderful
No questions, just wanted to thank all the devs for the wonderful-ness of RPiOS.I just installed it on my 4th Pi device (a new 5). The imager is great of course, and I love the fact that this is...
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 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 ArticleGeneral • Re: Writing in file Pi Pico
...I am not aware of anyone who has implemented C++ file streams for the Pico.Have a look at SdFat.Statistics: Posted by carlk3 — Tue Sep 03, 2024 11:00 pm
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Beginners • Re: Step up, supprt, troublshooting, cs2 camera module
Please don't multiple post, You're just wasting peoples time... And 4 posts, really Statistics: Posted by wildfire — Tue Sep 03, 2024 11:00 pm
View ArticleBeginners • Re: OLED display to play video?
Looks like a good option! I was thinking of displaying video as with an MP4 player, but perhaps I can display a series of vector graphics as if they were schematics.I still think that the Raspberry...
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