General discussion • Re: device reports readiness to read but returned no...
I found the answer: it turns out that the Waveshare dongle was drawing too much current when it was transmitting and the Pi was shutting it down. I plugged the dongle into a powered USB hub and the...
View ArticleSDK • Re: VSCode C/C++ SDK, RP2350: Including cmsis_gcc.h
If anyone finds this, the solution is to put Code: cmsis_core as a linked library.Statistics: Posted by chugaze — Fri Apr 11, 2025 3:29 pm
View ArticleGeneral • Re: Pico 2W (RP2350) Turn on a led without SDK
I tried to run these two programs on a Pico2 W, and neither of them turns on the built-in LED.Does anyone have a similar program that turns on the Pico2 W's built-in LED?Not for a Pico 2W. I did have...
View ArticleHATs and other add-ons • ASM1166 SATA controller issues
Hi allI'm experimenting with a Pi5 using the Pimoroni NVMe Base Duo.In one NVMe slot I have a SSD, in the other a "WANGCL" NVMe-SATA adaptor based on the ASM1166 chip (I think) I got this from Amazon,...
View ArticleRaspberry Pi OS • Re: Resetting at a certain time every night (Pi5)
To summarize my understanding so far:I use cron to make 2 things - 1. a reboot command every 24 hours at a given point in time @daily - 2. start the startserver.sh at boot@daily is not run at boot....
View ArticleBeginners • Re: Raspberry PI Keeps losing internet access
Every single Pi I have used in the last twelve years has worked fine on an ethernet connection. The Pi 5 on my desk here has been up for 38 days without any issues at all.So the suspicion would be...
View ArticleCompute Module • Re: HDMI I2C busses usable when HDMI is unused?
Yes, this is safe. We do something similar in manufacture test.As 6by9 says, these particular controllers are designed for HDMI EDID / SCDC and has some limitations but you can certainly use it to...
View ArticleGeneral • PSRAM Performance on RP2350
Hi, for those that are running the RP2350 with PSRAM, these are some of my findings when runninga ESP32-PSRAM64H in Quad mode at 150 MHz (stable as far as I can tell, doing multiple validation...
View ArticleBeginners • Re: I just want to use vim on this EPD2in13v4 but I'm in...
I have read your post twice and I'm still entirely unclear what you are trying to do, what problems you are seeing etc. Can you describe your use case in detail and then perhaps someone will be able...
View ArticleBeginners • Re: Switch from RPi OS (Desktop) to KDE Environment
Since rpios Bookworm you need to edit /etc/lightdm/lightdm.confComment out any lines referring to LXDE-pi-x or labwcthen add the user-session=your DE of choiceI use xfce so mine has...
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General • Re: Credit Ian Lesnet for E9 Bug in RP2350 ERRATA
I’d like to use this thread to suggest that Ian Lesnet from DangerousPrototypes (Bus Pirate) should be listed as one of the main credits for the E9 bug, given his discovery, research, and everything...
View ArticleGeneral • Infinite read data from PIO using DMA
Hello. I have written a small program for PIO that periodically sends data to RX_FIFO. I have also configured DMA so that when new data arrives in RX_FIFO it is immediately written to some variable....
View ArticleBeginners • Re: Why the Pi5 automatically turns on when power is supplied?
There is an option to switch behaviour (but I'm not sure anyone actually uses it.See here.ThanksStatistics: Posted by raspberry_user — Sat Apr 12, 2025 4:25 pm
View ArticleTroubleshooting • Re: Host memory buffer fails for nvme
In your case, to me it seems that either your kernel has changed between Jan 16 and Jan 17, or you have made some configuration change that somehow makes the kernel fail when it is reserving memory...
View ArticleBeginners • No Sound after 4-11-25 Update
This is a Raspberry Pi 3B running Raspberry Pi OS Bookworm. No keyboard clicks Multiple applications No Sound.Statistics: Posted by CJeU — Sat Apr 12, 2025 4:44 pm
View ArticleCamera board • Re: Raspberry Pi camera v2 and 3 speeds
All our drivers correctly advertise a V4L2_CID_LINK_FREQUENCY property, and should have the correct values in the relevant device tree files. (The exception may be ov5647 as it is so...
View ArticleGeneral • Re: Infinite read data from PIO using DMA
On RP2350, yes there's a special flag bit for this. On RP2040, not directly.The solution on RP2040 is to use two channels, with two possible approaches:1) Both channels are programmed to do the actual...
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General • Re: ETM instruction tracing for RP2350
Very cool! Out of curiosity: Which logic analyzer is this, at 1 GS/s capture rate?I think you well deserve a straight answer. It's an officially overclocked (100->125 MHz base clock, 800->1000...
View ArticleBare metal, Assembly language • Re: ASPM on rpi 400
I dug my own personal Pi 400 out of storage and can confirm - ASPM is "disabled" even on latest rpi-update kernel. Wat.Statistics: Posted by jdb — Sat Apr 12, 2025 5:06 pm
View ArticleSDK • Re: No USB stdio after adding SPI
Try:pico_enable_stdio_usb(SPI_test 1)pico_enable_stdio_uart(SPI_test 0)Statistics: Posted by gmx — Sun Apr 13, 2025 4:08 pm
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