On Sunday, May 18, 2014 4:19:54 PM UTC-4, RobertCNelson wrote: > > > > > On Fri, May 16, 2014 at 7:24 PM, Eric Fort <[email protected]> wrote: > >> As an alternative or maybe in conjunction you could have the 4 LED's >> blink together in the following order: >> 0000000111010100011101110111000111010001 (DONE) with a bit duration >> somewhere between 250 & 62.5 milliseconds, 1 representing on, and 0 >> representing off and the string repeating a number of times prior to off or >> infinitely. come to think of this, have the script as it's final task >> compute an MD5 or similar checksum on what was just written to verify a >> proper write and on success start flashing the above sequence. if >> somewhere along the process something went wrong causing it to exit, halt, >> or otherwise not obtain success it could blink >> 000000010101110100010111000101000101110101 (FAIL) using the same timing as >> above. Just a thought >> > > It would be cooler if it did the cylon back n forth while flashing.. >
Not as cool a doing a cylon, but it is at least a recognizable sweeping pattern (https://gist.github.com/jadonk/71a409ffaa151eb1f8e8): #!/bin/sh BASE=/sys/class/leds/beaglebone\:green\:usr echo timer > ${BASE}0/trigger echo 2000 > ${BASE}0/delay_off sleep 0.5 echo timer > ${BASE}1/trigger echo 2000 > ${BASE}1/delay_off sleep 0.5 echo timer > ${BASE}2/trigger echo 2000 > ${BASE}2/delay_off sleep 0.5 echo timer > ${BASE}3/trigger echo 2000 > ${BASE}3/delay_off > > Regards, > > -- > Robert Nelson > http://www.rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
