Beta testing • Re: Updating to trixie
I had sorted out how to update to Trixie with Lite, this helped me work out updating the Desktop version as well. I've now got an sdm plugin that configures a Bookworm IMG to Trixie as well as...
View ArticleAdvanced users • Re: [Help] gpio-keys is not reporting key state
Nobody has asked for repeating keys before, but it seems easy to add - you just need to include the "autorepeat" property. You say that "to compile a custom dtoverlay where I add that EV_REP tag to...
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Interfacing (DSI, CSI, I2C, etc.) • The custom DSI overlay enables only the...
I set up the dt-blob.bin with the electrical references and created a custom overlay to make my display work with the specific timing parameters. When I ran commands like dmesg, modetest, gpiotest,...
View ArticleDevice Tree • Release the MIDI BAUD rate on pins 14 - 15.
The whole baud thing is ridiculous. We are decades past the concept of discrete bitrates but it is deeply embedded in the kernel for serial ports. I thought this had been changed, allowing...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: D-phy general information
The Raspberry Pi CM4 supports up to 1Gbps/lane (500MHz clock frequency). It can be pushed a little faster.There are overheads for high-speed entry and exit, line start and end packets, packet headers...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: The custom DSI overlay enables only...
with the level of info provided one can only say: welcome to the exiting world of DSI displays.which display is that? Why don't you create an overlay like most of us would do for starting the driver...
View ArticleTroubleshooting • Re: GPIO IR emitter is not sending IR signal
there is no IR being transmitted (I am checking using my phone flashlight)Perhaps a typo, but you should use your phone camera. Although not all phones will detect IR, possibly different filters used....
View ArticleDevice Tree • Re: Release the MIDI BAUD rate on pins 14 - 15.
I think you've misunderstood/not read the purpose of the midi-uart<n> overlays:Code: pi@raspberrypi:~$ dtoverlay -h midi-uart0-pi5Name: midi-uart0-pi5Info: See midi-uart0 (this is the Pi 5...
View ArticleWanted • Re: Cheap rpi 4 or 5
If you are even remotely considering paying the postage cost for buying second hand from the UK, why not put the equivalent money towards a new $75 RPi4/8 from a US approved retailer offering Free...
View ArticleGeneral discussion • Re: Light weight portable Pi with screen
I made a portable Raspberry Pi 4 specifically because it's easier to power than the Raspberry Pi 5.Statistics: Posted by mlepage — Wed Jul 02, 2025 3:35 pm
View ArticleBeta testing • Re: raspi-config not showing "Beta Access" option in...
Confirmed by code inspection.The beta mode option on the "Advanced" menu is only shown in the case where the test "gpu_has_mmu" is true, which is presumably only on Pi 4 and Pi 5-series devices. This...
View ArticleGeneral discussion • Re: replace the USB 3 port
The latches have a very low duty cycle. They are intended to be installed once and sealed up inside a product.I agree that's probably the specification but l over the years l have plugged and...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Raspberry Pi as PCIe expansion card
I was asking about other PCIe projects mostly to see if there was a HAT available which has the PCIe edge connector. If anybody has worked out the rest of the plumbing that would be neat too.Lots of...
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