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<
Angad>
Hi, I am getting this error while running LEDscape library in my beaglebone black: pru_init:44: prussdrv_open open failed
<
Angad>
Can someone help me to fix this error?
<
Angad>
Sorry i missed your message
<
Angad>
I will try and tell you know.
<
Angad>
Thanks zmatt
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<
Angad>
thanks, the error is gone but not able to figure out which pins im supposed to connect my leds to (P9_22 isnt working). thanks for the help
<
zmatt>
I don't really know much about LEDscape or what pins it uses for what, but be sure the pin(s) used are pinmuxed appropriately, e.g.:
<
zmatt>
config-pin P9_22 pruout
<
zmatt>
in general, config-pin PIN MODE where MODE is "pruout" for outputs used by PRU or "pruin" for inputs used by PRU
<
zmatt>
ehh, but P9_22 has no pruout/pruin functionality though, you sure you got that right?
<
zmatt>
oh it looks like for ws2812 it uses normal gpios rather than dedicated pru outputs
<
zmatt>
I guess because ws2812 is a slow enough protocol
<
zmatt>
so in that case you don't need to do anything with config-pin
<
zmatt>
but you probably need to configure the gpio(s) as output
<
zmatt>
you're using the Yona-Appletree fork of LEDscape?
<
Angad>
Thanks, Now its working
<
Angad>
Thanks a lot
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<
set_>
I am made it back!
<
set_>
Now...down to beeswax. Um, has any person in life, esp. in this board, held the EVEs on the BBAI in use?
<
set_>
or has anyone used the DSP(s) on the BBAI for anything other than rtos?
<
set_>
I found DSPlib but it is for the rtos on the BBAI, e.g. the ICE unit actually most likely.
<
set_>
Anyway, just a general question...
<
set_>
I am trying to sneak some info. from you if it is you that knows about these co-processors.
<
set_>
I have forty million docs. on these things (TOO MUCH). I will never be able to round them all together into an actual application.
<
set_>
Anyway, that is the plight of the day. Geaux Cajuns.
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