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import time
import sys
import RPi.GPIO as GPIO
GPIO.setmode(GPIO.BOARD)
stepPins = [26,24,22,19]
waitTime = 0.000001
for pin in stepPins:
print "Setup pins"
GPIO.setup(pin,GPIO.OUT)
GPIO.output(pin, False)
stepCounter = 0
stepCount = 8
Seq = []
Seq = range(0, stepCount)
Seq[0] = [1,0,0,0]
Seq[1] = [1,1,0,0]
Seq[2] = [0,1,0,0]
Seq[3] = [0,1,1,0]
Seq[4] = [0,0,1,0]
Seq[5] = [0,0,1,1]
Seq[6] = [0,0,0,1]
Seq[7] = [1,0,0,1]
# Choose a sequence to use
maxSteps = 1600
completedSteps = 0
# Start main loop
while completedSteps != maxSteps:
for pin in range(0, 4):
xpin = stepPins[pin]
pinVal = Seq[stepCounter][pin]
if pinVal!=0:
#print " Step %i Enable %i" %(StepCounter,xpin)
GPIO.output(xpin, True)
else:
GPIO.output(xpin, False)
stepCounter += 1
completedSteps +=1
print " Stepcounter: %i" %(stepCounter)
if (stepCounter==stepCount):
stepCounter = 0
if (stepCounter<0):
stepCounter = stepCount
time.sleep(waitTime)
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