def step_clockwise(self, steps):
# make sure the motor is energized in its current state
labjacku12.write_to_DIO(self.states[0] << (4 * self.nibble), \
0xf << (4 * self.nibble))
for i in range(steps):
# rotate the states for clockwise rotation
self.states.append(self.states.pop(0))
# energize the next state
labjacku12.write_to_DIO(self.states[0] << (4 * self.nibble), \
0xf << (4 * self.nibble))
time.sleep(self.step_time)
# wait for motor to stop moving
time.sleep(self.settle_time)
# turn all 4 outputs off so no current flows
labjacku12.write_to_DIO(self.off << (4 * self.nibble), \
0xf << (4 * self.nibble))
def turn_power_off(self): labjacku12.write_to_DIO(self.off << (4 * self.nibble), \ 0xf << (4 * self.nibble))
