servoMax = 600 # Max pulse length out of 4096
def setServoPulse(channel, pulse):
pulseLength = 1000000 # 1,000,000 us per second
pulseLength /= 60 # 60 Hz
print "%d us per period" % pulseLength
pulseLength /= 4096 # 12 bits of resolution
print "%d us per bit" % pulseLength
pulse *= 1000
pulse /= pulseLength
pwm.setPWM(channel, 0, pulse)
pwm.setPWMFreq(60) # Set frequency to 60 Hz
while (True):
pwm.setPWM(3, 0, 375)
time.sleep(1)
pwm.setPWM(3, 0, 450)
time.sleep(1)
pwm.setPWM(3, 0, 525)
time.sleep(1)
pwm.setPWM(3, 0, 450)
time.sleep(1)
''' pwm.setPWM(0, 0, servoMin)
time.sleep(1)
pwm.setPWM(0, 0, servoMax)
time.sleep(1)
'''
servoMax = 600 # Max pulse length out of 4096 def setServoPulse(channel, pulse): pulseLength = 1000000 # 1,000,000 us per second pulseLength /= 60 # 60 Hz print "%d us per period" % pulseLength pulseLength /= 4096 # 12 bits of resolution print "%d us per bit" % pulseLength pulse *= 1000 pulse /= pulseLength pwm.setPWM(channel, 0, pulse) pwm.setPWMFreq(60) # Set frequency to 60 Hz while (True): pwm.setPWM(3, 0, 375) time.sleep(1) pwm.setPWM(3, 0, 450) time.sleep(1) pwm.setPWM(3, 0, 525) time.sleep(1) pwm.setPWM(3, 0, 450) time.sleep(1) ''' pwm.setPWM(0, 0, servoMin) time.sleep(1) pwm.setPWM(0, 0, servoMax) time.sleep(1) '''
#!/usr/bin/python import time from Sunfounder_PWM_Servo_Driver import PWM pwm = PWM(0x40, True) pwm.setPWMFreq(60) # Min found around 150 # Max found around 700 servoMin = 150 servoMax = 700 print "Hello, servo-world" while (True): # Change speed of continuous servo on channel O pwm.setPWM(0, 0, servoMin) time.sleep(1) pwm.setPWM(0, 0, servoMax) time.sleep(1) print "Looping!"
