def write(self, bits):
if len(bits) != self.outputs:
raise OutputDeviceError(
"Device initialized with {} outputs, but {} passed in.".format(
self.outputs, len(bits)))
self.shiftin(list(reversed(bits)))
def decimal_point(self, value):
"""
Sets the status of the decimal point led
"""
if len(self) > 7:
self[7].value = value
else:
raise OutputDeviceError(
'there is no 8th pin for the decimal point')
def decimal_point(self):
"""
Represents the status of the decimal point led
"""
# does the 7seg display have a decimal point (i.e pin 8)
if len(self) > 7:
return self[7].value
else:
raise OutputDeviceError(
'there is no 8th pin for the decimal point')
def write(self, values):
# Make sure values are numbers in [0, 1].
values = [float(v) for v in values]
if not all(0.0 <= v <= 1.0 for v in values):
raise ValueError("Input values must be in the closed interval [0, 1]; outliers found: {}".format(values))
if len(values) != self.outputs:
raise OutputDeviceError(
"Device initialized with {} outputs, but {} passed in.".format(
self.outputs, len(values)))
self._state = values