class RpiCronChecker:
def __init__(self):
self.characterDefinition = FourLinesCharacterDefinition()
self.rpiDisplay = RpiLcdDisplay(20, 4)
self.pressureMeter = PressureMeter()
def run(self):
self.pressureMeter.read()
self.drawTime()
self.rpiDisplay.hardware.setupCharacters(self.characterDefinition)
self.rpiDisplay.drawBuffer()
self.rpiDisplay.turnDisplay(self.computeDisplayState())
def drawTime(self):
currentTime = datetime.today()
largeDigits = self.characterDefinition.LargeDigits
outputBuffer = self.rpiDisplay.bufferCharacterArray
hourTens = currentTime.hour / 10
if hourTens > 0:
outputBuffer(0, 0, largeDigits[hourTens])
outputBuffer(0, 4, largeDigits[currentTime.hour % 10])
outputBuffer(0, 8, self.characterDefinition.TimeSeparator)
outputBuffer(0, 10, largeDigits[currentTime.minute / 10])
outputBuffer(0, 14, largeDigits[currentTime.minute % 10])
dayOfWeek = [
('Mo'),
('Tu'),
('We'),
('Th'),
('Fr'),
('Sa'),
('Su')
]
self.rpiDisplay.bufferString(0, 18, dayOfWeek[currentTime.weekday()])
self.rpiDisplay.bufferString(1, 18, str(currentTime.day).rjust(2, ' '))
temperature = int(round(self.pressureMeter.temperature))
self.rpiDisplay.bufferString(3, 17, str(temperature).rjust(3, ' '))
def computeDisplayState(self):
currentTime = datetime.today()
if (currentTime.hour >= 6 and currentTime.hour <= 22):
return True
if (currentTime.minute % 15 == 0):
return True
if ((currentTime.month == 12 and currentTime.day == 31 and currentTime.hour >= 22) or (currentTime.month == 1 and currentTime.day == 1 and currentTime.hour <= 6)) :
return True
return False
def __init__(self): self.characterDefinition = FourLinesCharacterDefinition() self.rpiDisplay = RpiLcdDisplay(20, 4) self.pressureMeter = PressureMeter()