def set(self, value):
value = constrain(value, 0, DIGIPOT_MAX_AMOUNT)
if self._currentValue is None:
self.reset()
if self._currentValue > value:
self.change(-1, self._currentValue - value)
elif self._currentValue < value:
self.change(1, value - self._currentValue)
def set(self, value):
value = constrain(value, 0, DIGIPOT_MAX_AMOUNT)
if self._currentValue is None:
self.reset()
if self._currentValue > value:
self.change(-1, self._currentValue - value)
elif self._currentValue < value:
self.change(1, value - self._currentValue)
def change(self, direction, amount):
if direction == 1:
ud = HIGH
elif direction == -1:
ud = LOW
else:
raise ValueError('invalid direction: %s', direction)
amount = constrain(amount, 0, DIGIPOT_MAX_AMOUNT)
if amount == 0:
return
if self._udLastValue != ud:
self._udPin.write_digital_value(ud)
for _ in range(amount):
self._incPin.write_digital_value(LOW)
self._incPin.write_digital_value(HIGH)
if self._currentValue is not None:
self._currentValue += direction
self._currentValue = constrain(self._currentValue, 0,
DIGIPOT_MAX_AMOUNT)
def change(self, direction, amount):
if direction == 1:
ud = HIGH
elif direction == -1:
ud = LOW
else:
raise ValueError('invalid direction: %s', direction)
amount = constrain(amount, 0, DIGIPOT_MAX_AMOUNT)
if amount == 0:
return
if self._udLastValue != ud:
self._udPin.write_digital_value(ud)
for _ in range(amount):
self._incPin.write_digital_value(LOW)
self._incPin.write_digital_value(HIGH)
if self._currentValue is not None:
self._currentValue += direction
self._currentValue = constrain(
self._currentValue,
0,
DIGIPOT_MAX_AMOUNT)
def decrease(self, amount):
amount = constrain(amount, 0, DIGIPOT_MAX_AMOUNT)
self.change(-1, amount)
def decrease(self, amount):
amount = constrain(amount, 0, DIGIPOT_MAX_AMOUNT)
self.change(-1, amount)
