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K2-Pi0 no output to pixels

Started by ironsniof, September 16, 2024, 10:19:34 AM

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ironsniof

K2-Pi0 on a 2W, FPP 8.0, built in WiFi. rSync is enabled. No light output to known working pixels on either port.  

Controller can be seen by, uploaded to, and can see DDP traffic from xLights, but no output.

I can load a .fseq file and play it, no output

Display Testing page - no output.

Current Monitor page - both ports have green check status.  Port one is unable to count any pixels and see any current.  Port 2 CAN count pixels measuring current, although the count is wrong which is fine. No light output on either port.

Testing with the Output Channels page is the same, no visible light from pixels.

On the board itself, Port 1 LED is either dim or not lit (I've seen both), Port 2 LED is lit.

I can run the lights on a K4-PB FPP 8.0 and same power supply just fine, or literally any of the other dozen Kulp controllers I have floating around.  Granted they're all on Beagle Boards, and none have E-fuses.  It's the only two variables that stand out.

Literally the smallest controller I have, and it's got this grown man whooped.

dkulp

Try re-flashing the eeprom from the Cape Info to the latest for the K2-Pi0.   I few went out with a corrupt eeprom.   I've mostly seen it causing FPPD to completely crash as it's not able to process the eeprom, but it may be causing other issues.    Updating to the latest EEPROM fixes that issue.  (and make sure it's the K2-Pi0 eeprom)

Daniel Kulp - https://kulplights.com

ironsniof

I reflashed earlier to K2-Pi0 EEPROM, but that's where I get the issue where FPPD couldn't run.  Then tried the Servo EEPROM which got FPPD to run, but I can't get light output.  Now back on K2-Pi0 EEPROM.  FPPD runs, still no output, and the 2 warnings are back: DPIPixels: Could not read pin configuration for K2-Pi-Servo,Could not initialize output type DPIPixels. Check logs for details.

I've tried upgrading from the Cape Info page and downloading the file itself.

It's also a new FPP install on a different micro SD card.

dkulp

Having the servo eeprom on there at one point I think caused the "default" config to be setup for it.  You should just be able to go to the outputs page, double check the pixels are configured OK, and hit "save" and the config should fix itself to to be set for the K2-Pi0.   Restart fppd and the error should go away.

Daniel Kulp - https://kulplights.com

ironsniof

Quote from: dkulp on September 16, 2024, 01:45:41 PMHaving the servo eeprom on there at one point I think caused the "default" config to be setup for it.  You should just be able to go to the outputs page, double check the pixels are configured OK, and hit "save" and the config should fix itself to to be set for the K2-Pi0.  Restart fppd and the error should go away.


Of all the things, that did it!

I'm humbled...  Thank you very much!

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