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Interfacing (DSI, CSI, I2C, etc.) • CM4: DSI1 init. commands rarely fail
Hi everyoneI am having issues with CM4 when sending commands via DSI1 to a ST7703 controlled LCD (3,5" 640x480).In 80% of the cases the LCD is initialized properly and works for days without any...
View ArticleSDK • Re: Using printf with TinyUSB HID: Is It Possible?
Apparently there is a way but I don't know the details -https://github.com/raspberrypi/pico-sdk/pull/871https://github.com/thewh1teagle/pico-bl ... id-cdc-bleStatistics: Posted by hippy — Tue Nov 12,...
View ArticleGeneral • How much OTP is there on an RP235X ?
From the RP235X datasheet -RP2350 provides 8 kB of one-time programmable storage (OTP)OTP is physically an array of 4096 rows of 24 bits each.That doesn't tally: 4096 x 24 bits = 12 KBIf 8 kB were...
View ArticleNetworking and servers • Re: MQTT explorer (or alternative) for Raspberry Pi OS?
the online broker has feature where you can subscribe to the topic and show/plot the data, and I was wondering if I can do the same thing locally?Both MQTT Explorer and MQ3T running under RasPiOS will...
View ArticleRaspberry Pi Connect • Re: enable-linger no longer works on rpi-connect 2.1.0
I'm unable to reproduce this with 32-bit Raspberry Pi OS Lite 2024-10-22 (/etc/debian_version is 12.7) and rpi-connect-lite 2.1.0 (revision 04b828e0aa7964e81087bbebada0e68fe2a9c387). I ran the...
View ArticleGeneral • Re: Raspberry Pi PicoW - not getting recognised.
This may be due to a bug in the Pico SDK which cause the Pico W to not emit the USB Descriptors which Windows is expecting. But maybe not.Statistics: Posted by hippy — Tue Nov 12, 2024 11:15 am
View ArticleBeginners • Re: LED works when running from IDE, but not cronjob
Why are you importing time if you're not using it?We don't know if your code is, in fact, running. It looks simple enough but you never know...Try changing your crontab entry to the following, let it...
View ArticleTroubleshooting • Re: Pi5 hanging when transfering large files to NAS
cifs does not know about sparse files, so you could create a dummy/empty file:Code: truncate -s10G /mnt/RPi/sparsefile.testand transfer that. It would not put load on PCI-E/NVME/SSD/SD/MMC, so might...
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Compute Module • Re: Raspberry Pi Compute 5 Release Date?
https://x.com/bretweber/status/18564274 ... 85peQ&s=03The official Raspberry Pi account has replied Statistics: Posted by mtouzot — Wed Nov 13, 2024 11:02 am
View ArticleAdvanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5
The latest download of Pi OS. All updates applied. Should be the latest firmware. I will update again just to make sure everything is up to date. Then I have several other brands of A2 card to...
View ArticleBeginners • Re: Need confirmation: Basic wiring diagram for GPIO Inputs
your Neopixel should receive 5V from a dedicated PSU (as you don't state the number of LEDs in use) as they will consume quite some current.100nF is a decoupling capacitor for the 3.3V supply of the...
View ArticleOfficial Display • Re: Raspberry Pi 4 Bookworm Official 7" Touchscreen...
Is there a config file for the built-in VNC server that has an option to invert the cursor input?Statistics: Posted by fosautoparts — Wed Nov 13, 2024 11:07 am
View ArticleTroubleshooting • Re: USB bus possibly giving in?
HDD's can draw more power as they age.It sounds like you've tried to ignore problems from day one, they always catch up with you in the end, get some external power to your USB devices or replace them...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
Anyhow, why have a 27W USB-C PD PSU when there is no device making use of it's capabilities? One could have designed a 5V/5A USB-C PSU and no need to bother with USB-C PD.I believe a USB-C PSU...
View ArticleRaspberry Pi OS • Re: Warning from apt-key: Key is stored in legacy...
For me, the solution was:Code: sudo mkdir /etc/apt/trusted.gpg.dsudo apt-key export 90FDDD2E | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/raspbian.public.gpgsudo apt-key export 7FA3303E | sudo gpg...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Raspberry Pi 4 model B external I2S...
Hi, I made a lot of changes in my max98090.dts file and it shows Loaded Overlay max98090.dtboin vclog but no messages in dmesg and no sound card created.Code: /dts-v1/;/plugin/;/ { compatible =...
View ArticleGeneral • Re: Calibrating LPOSC on an RP235X
If a battery gizmo, easiest to trim it using XOSC -- I think some MCUs can even do an automatic trim, so I guess a lot of manufacturers wanted that kind of feature.But since the DS (p 564)...
View ArticleTroubleshooting • Re: SD Card Wiped During Update
Neither the OEMID nor MANFID correspond to anything I've seen (nor Google has seen) before.Who claims to have made the card?Statistics: Posted by jdb — Wed Nov 13, 2024 11:34 am
View ArticleAdvanced users • Re: Is the PISP a fake IP hidden by an over-complicated...
2) ov4689 datasheet is everywhere online: https://cdn.hackaday.io/files/193548280 ... Vision.pdf. Read it. You will see that both 8 and 10 bit are supported. The register to configure MIPI output is...
View ArticleHATs and other add-ons • Re: rpi5 & waveshare 10" DSI touch screen
The annoying with the touch keyboard is after use cannot figure out how to minimize itIf you don’t want to use the virtual keyboard with a touch screen, or you want to use it without a touch screen...
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