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53 lines
1.3 KiB
53 lines
1.3 KiB
#!/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]=="b":
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print("blinking")
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removeTrigger()
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writeLED("/trigger", "timer")
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writeLED("/delay_on","500")
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writeLED("/delay_off","500")
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else:
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print("Wrong command!!!")
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print("Wrong command!!!")
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print("To turn on the LED please type: ./led.py on")
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print("To turn off the LED please type: ./led.py off")
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print("To make the LED blink please type: ./led.py b")
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print("Script done")
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