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#!/usr/bin/python |
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import sys #reconocer lo que hay en la terminal |
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import time |
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LED_PATH = "/sys/class/leds/beaglebone:green:usr3" |
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def writeLED(fileName, value, path=LED_PATH): |
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""" |
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Ayuda de la rutina |
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writeLED(fileName, value, path=LED_PATH) |
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""" |
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fo = open(path + fileName, "w") |
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fo.write(value) |
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fo.close() |
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return |
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def removeTrigger(): |
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writeLED("/trigger","none") |
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return |
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print("Starting App") |
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#removeTrigger() |
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#writeLED("/brightness", "1") |
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#print("LED3 on") |
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#print("Finish App") |
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if len(sys.argv)!=2: |
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print("Incorrect number of arguments") |
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sys.exit(2) |
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if sys.argv[1] == "on": |
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print("LED on") |
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removeTrigger() |
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writeLED("/brightness", "1") |
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print("LED3 on") |
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elif sys.argv[1] == "off": |
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print("LED off") |
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removeTrigger() |
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writeLED("/brightness", "0") |
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print("LED3 off") |
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elif sys.argv[1] == "blink": |
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print("LED blinking") |
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while True: |
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removeTrigger() |
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writeLED("/brightness", "1") |
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time.sleep(0.5) |
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writeLED("/brightness", "0") |
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time.sleep(0.5) |
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else: |
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print("Wrong command!!!") |
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print("Script done") |