def __init__(self, pin):
self._pin = pin
self._motor = PWM.BBIO_PWM_Adapter(PWM.get_platform_pwm())
self._motor.set_frequency(self._pin, self._freq)
def test_set_frequency(self):
bbio_pwm = Mock()
pwm = PWM.BBIO_PWM_Adapter(bbio_pwm)
pwm.start('P9_16', 50)
pwm.set_frequency('P9_16', 1000)
bbio_pwm.set_frequency.assert_called_with('P9_16', 1000)
def test_set_duty_cycle_valid(self):
bbio_pwm = Mock()
pwm = PWM.BBIO_PWM_Adapter(bbio_pwm)
pwm.start('P9_16', 50)
pwm.set_duty_cycle('P9_16', 75)
bbio_pwm.set_duty_cycle.assert_called_with('P9_16', 75)
def test_set_duty_cycle_invalid(self):
bbio_pwm = Mock()
pwm = PWM.BBIO_PWM_Adapter(bbio_pwm)
pwm.start('P9_16', 50)
self.assertRaises(ValueError, pwm.set_duty_cycle, 'P9_16', 150)
self.assertRaises(ValueError, pwm.set_duty_cycle, 'P9_16', -10)
def test_setup(self):
bbio_pwm = Mock()
pwm = PWM.BBIO_PWM_Adapter(bbio_pwm)
pwm.start('P9_16', 50)
bbio_pwm.start.assert_called_with('P9_16', 50, 2000)
