I flashed windows10 IOT core into 8GB sdcard and using it on Rpi2. However i get a bootloop on supply, tried reflashing but unable to fix it and also tried with a 5v 1.5A power supply still result remains the same...please anybody can help?!
Power supply(5V 2.5A samsung) work just fine
if re-installing does not help, then the solution can be to use class 10 8-16 Gb SD card. Ideal is to use supported card.
Related
I have already posted this question on the raspberry forum but I only got a few answers that didn't solve my problem... I have been waiting for a month so I turn to this forum hoping to be able to find a solution there...
PS : do not hesitate to check my post on RPI forum to see my progress and my research/tests carried out (https://forums.raspberrypi.com/viewtopic.php?t=335338)
So here is my problem :
I have been looking for a while how to write to an external microSD card in SPI mode...
My goal is to write data collected by a sensor an store them on various microSD cards (6) by using CS. But at this point, I'm tring to write data on one card.
I'm using a RPI Zero 2W, a simple microSD card module and an 512GB microSD card (with exFAT filesystem).
I saw that there was a "mmc_spi" driver included in a linux kernel which allows to detect an SD card connected by SPI as if it were a USB key to which we could simply access/read/write (https://ralimtek.com/posts/2016/2016-12-10-raspberry_pi_secondary_sd_card/)
the problem is that this tutorial is not working anymore... In fact, the linux Kernel used in the tuto is an old one compare to the current version and and I had confirmation that the "mmc_spi" driver used to detect the SD card had evolved but the use of this new version is not documented and obviously does not work like the old one...
So my question is : does the mmc_spi driver still allows to detect SD cards and access them and if yes, does it works with the PI zero 2W ?
I am developing a Flutter app, and I’ve been trying to print via usb in a thermal printer. I have found a lot of libraries/package for bluetooth thermal printers, but I need my program ALSO works via USB.
I only have found one package that allows me to print in almost any printer, the name of the package is “printing”, but this works whit PDF’s, and the thermal printer doesn’t allow print PDF’s.
Note: The app I am developing is for Windows.
Does someone know some package or method I can try to achieve my goal?
Thanks in advance for any help.
I would add a comment but I don't yet have enough reputation. However, I have faced a similar issue recently attempting to print to a thermal receipt printer that is USB.
The only solution I found was to create a flutter plugin with native windows code and use https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/winspool/. There is the win 32 package that could do the same thing https://pub.dev/packages/win32.
Hopefully someone else may have a better solution, but that is something to look into.
Try looking into quick_usb to connect to the printer via usb
Referencing this item:
https://store.gumstix.com/gumstix-pi-compute-dev-board.html
I cannot use the official Pi camera(s) using either the official Raspberry Pi "Buster" disk image or the Pi disk image provided by Gumstix:
Disk image referenced here--> https://store.gumstix.com/raspberry-pi-cm-fast-flash.html
Note: The Gumstix Pi image would "hang" on the rainbow colored splash screen during boot, using the image above. I am using the "fast flash" board to write the images, and have been able to repeatedly (successfully) install the standard Raspbian OS. FYI I have been using Balena Etcher, and it has worked with my other boards.
Also, I followed the official instructions to add camera support in an attempt to understand what I am doing wrong. vcgencmd initially reported no support or detection in raspbian. I was able to add camera support using the blobs mentioned here (I compliled manually and also used the precompiled variant):
https://www.raspberrypi.org/documentation/hardware/computemodule/cmio-camera.md
Final result:
vcgencmd get_camera : supported=1 detected=0
Lastly, yes the camera is enabled, and I have tested the cam/cable on other systems with no issues. I suspect the pin GPIO settings may be to blame, but based on the information in front of me (for this board) I should not be expecting to manually adjust those params. Thanks for any insight….hopefully this is an I-D-10-T error.
First off I should appologize, the page you referenced about getting the disk image is very out of date. We will work to update it soon.
My guess of why it's not booting is likely a hardware imcompatibilty, are you using a Raspberry Pi CM3+?
Give this image a try
https://gumstix-raspbian.s3.amazonaws.com/2019-12-29/raspberrypi-cm3/rpi-4.19.y/2019-09-26-raspbian-buster-lite.img.xz
That's a recently compiled Buster image that has some extra drivers added in to support Geppetto modules. The default Buster image should also work.
To properly support any of our boards, it's best to download the board support package for that particular design. In your case, you're using the Gumstix Pi Compute Dev Board, which can be found
https://geppetto.gumstix.com/#!/design/1045/
Please go to that page and click on the "AutoBSP" button on the top. That will prompt you to download a zip file that will contain some instructions and files needed to configure the Raspberry Pi.
Please let me know if you have any trouble.
Thanks,
Andrew
I have HDMI display which has corrupted EDID checksum and its working with other ARM board with work around.
The same display I am using on Rpi3 & rpi zero boards and got the below output image.
https://drive.google.com/file/d/13h7srCBQk_LqK2OXenCvuwivFZBHoO_9/view
Seems its using correct 1366x768 resolution but color is not correct, what could be the problem ?
And this is my config.txt file.
https://drive.google.com/file/d/1ydf13vYktgfleqCeXJb2SZX6PsErL1dq/view
Here is the link where I discussed the issue. BTW, this HDMI diplay works with Windows & Linux PC without any issues.
https://www.toradex.com/community/questions/19407/change-hdmi-lcd-resolution-in-toradex-imx6-board.html
Patches:
https://share.toradex.com/lg644qhtqv1jnk9?direct
https://share.toradex.com/pyzdaan5ozk9v4k?direct
How the EDID is handled in rpi hdmi driver if any corrupted or incorrect EDID data present ?
Thanks for the support & help.
The below forum link solved the problem. Hope it would help someone.
https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=205958&p=1277210#p1277210
Is there a way to make sure that SD card of Raspberry PI works only with particular device only?
I do not want anyone to use the SD card with any other Raspberry Pi device other than specified.
Is there a way out?
There is no simple way do do this. Of course you can build some trickeries based on Device Informations (fsys and udev) and crypt your disk. But, it is clearly impossible to guarantee system integrity when the storage device is physically reachable: anyone can mount it and some aware/clever guy, using enough time and effort, shall reverse engineering it.
See this guide for Arch linux: https://wiki.archlinux.org/index.php/Disk_Encryption
If you encrypt your filesystem only he have the password can decrypt the sdcard. This prevent unauthorize access for example from the Windows/Linux to the sd card files.
But if you boot from the PC you are in the same problem.
The only thing that comes to mind is to make a script that controls a device that exists only on raspberry is available and if not, automatically encrypt the system.