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- import RPi.GPIO as GPIO
- from time import sleep
- in1 = 24
- in2 = 23
- en = 25
- temp1=1
- GPIO.setmode(GPIO.BCM)
- GPIO.setup(in1,GPIO.OUT)
- GPIO.setup(in2,GPIO.OUT)
- GPIO.setup(en,GPIO.OUT)
- GPIO.output(in1,GPIO.LOW)
- GPIO.output(in2,GPIO.LOW)
- p=GPIO.PWM(en,1000)
- p.start(25)
- print("\n")
- print("The default speed & direction of motor is LOW & Forward.....")
- print("r-run s-stop f-forward b-backward l-low m-medium h-high e-exit")
- print("\n")
- while(1):
- x=raw_input()
- if x=='r':
- print("run")
- if(temp1==1):
- GPIO.output(in1,GPIO.HIGH)
- GPIO.output(in2,GPIO.LOW)
- print("forward")
- x='z'
- else:
- GPIO.output(in1,GPIO.LOW)
- GPIO.output(in2,GPIO.HIGH)
- print("backward")
- x='z'
- elif x=='s':
- print("stop")
- GPIO.output(in1,GPIO.LOW)
- GPIO.output(in2,GPIO.LOW)
- x='z'
- elif x=='f':
- print("forward")
- GPIO.output(in1,GPIO.HIGH)
- GPIO.output(in2,GPIO.LOW)
- temp1=1
- x='z'
- elif x=='b':
- print("backward")
- GPIO.output(in1,GPIO.LOW)
- GPIO.output(in2,GPIO.HIGH)
- temp1=0
- x='z'
- elif x=='l':
- print("low")
- p.ChangeDutyCycle(25)
- x='z'
- elif x=='m':
- print("medium")
- p.ChangeDutyCycle(50)
- x='z'
- elif x=='h':
- print("high")
- p.ChangeDutyCycle(75)
- x='z'
- elif x=='e':
- GPIO.cleanup()
- print("GPIO Clean up")
- break
- else:
- print("<<< wrong data >>>")
- print("please enter the defined data to continue.....")
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