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December 17, 2015 01:29
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First Beaglebone code using Bonescript. Makes the on-board LEDs cycle.
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| var b = require('bonescript'); | |
| // Initialize variables | |
| var startLED = 0, | |
| delay = 100, | |
| status = b.LOW; | |
| // Set all the onboard LEDs for OUTPUT | |
| b.pinMode("USR0", b.OUTPUT); | |
| b.pinMode("USR1", b.OUTPUT); | |
| b.pinMode("USR2", b.OUTPUT); | |
| b.pinMode("USR3", b.OUTPUT); | |
| // Set all LEDs to low | |
| b.digitalWrite('USR0', b.LOW); | |
| b.digitalWrite('USR1', b.LOW); | |
| b.digitalWrite('USR2', b.LOW); | |
| b.digitalWrite('USR3', b.LOW); | |
| // interval call for loop | |
| setInterval(jump, delay); | |
| // loop function | |
| function jump() { | |
| //set LED pin string | |
| pin = "USR" + startLED; | |
| // turn LED on if off | |
| if (status == b.LOW) { | |
| pin = "USR" + startLED; | |
| status = b.HIGH; | |
| b.digitalWrite(pin, status); | |
| } | |
| // turn LED off if on and move to the next LED pin | |
| else { | |
| status = b.LOW; | |
| b.digitalWrite(pin, status); | |
| startLED++; | |
| if (startLED == 4) startLED =0; | |
| } | |
| } |
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Can remove extra
pin = "USR" + startLED;