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Slim (console only) Debian build for Beaglebone Black that works with LEDscape? #25

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seriousmumbo opened this issue Jan 27, 2015 · 6 comments

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@seriousmumbo
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https://groups.google.com/d/msg/beagleboard/GANFPr7BtVo/ubCbAW2cSysJ

Hi, thought I'd cross post here as I imagine some of you have the same issue. Anyone here found a slim console only image with Debian (or Ubuntu) that plays well with LEDscape?

@RGB-123
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RGB-123 commented Jan 27, 2015

Ryan, it sounds like you may have worked this out. However, I think you simply needed to disable the HDMI in the uEnv.txt file.

@seriousmumbo
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Yes, kernel bone70 works with HDMI disabled. I'm curious as to why this is necessary? I like the HDMI =).

@mykolasmith
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It's because LEDscape uses those GPIO pins that would otherwise be used for HDMI. You can't have your cake and eat it too ;)

@seriousmumbo
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Speaking of tradeoffs: I noticed that the ledscape dtb breaks sd card hotplug.

@seriousmumbo
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Is the .dts source for the dtb available?

@seriousmumbo
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I created a new dtb, it should work well with the newer kernels (tested with bone70). Advantages include: sdcard hotpug working, hwrng, enhanced quadrature encoder pulse decoder, bandgap (chip temp) sensor, GPS cape and much much more:

https://github.com/seriousmumbo/ledscape-dtb

My use case (one 24 pixel strip) is probably more limited than yours, so testing is in order.

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