CCR LEDs

See Also

BeagleBone Tools

CCR_LEDs turns the LEDs on, off, or displays patterns.

Key	Description
available since	2017-01
package filename	ccr_leds-xyz.deb
configuration	none
cron job	/etc/cron.d/ccr_leds
script	/usr/bin/ccr_leds.sh <see below>
example	ccr_leds.sh sweep

To install:

sudo dpkg -i ccr_leds-*.deb

Then call ccr_leds.sh to turn lights on or off. For example:

ccr_leds.sh on 0 1 off 2 3
ccr_leds.sh sweep
ccr_leds.sh auto

There are several possible parameters to the ccr_leds.sh script:

Parameter	Example	Description
permissions	ccr_leds.sh permissions	Set write permissions on LEDs. This is automatically called by the cron job on boot.
on	ccr_leds.sh on 2 3	Turn the given lights on.
off	ccr_leds.sh off 0 1 3	Turn the given lights off.
dark/none	ccr_leds.sh none	Turn all the lights off.
bright/all	ccr_leds.sh all	Turn all the lights on.
auto	ccr_leds.sh auto	Set all 4 LEDs back to their automatic settings.
0/1/2/3	ccr_leds.sh on 0 3	LEDs 0 through 3.
blink	ccr_leds.sh blink	Blinks all lights on and off.
alternate	ccr_leds.sh alternate	Alternate lights, 0 & 2, then 1 & 3.
sweep	ccr_leds.sh sweep	Typical sweep pattern.
random	ccr_leds.sh random	Randomly turn lights on and off.

See Also

/sys/devices/platform/leds/leds/beaglebone:green:usr{0-3}/