def __init__(self):
# setup display
self.lcd = Adafruit_CharLCDPlate()
self.lcd.begin(16, 2)
self.lcd.clear()
# init state
self.last_mask = 0
self.num_buttons = 5
self.last_repeat = []
self.first_flag = []
self.start_time = 0.5
self.repeat_time = 0.2
self.clear_line = " " * 16
self.last_value_len = 0
self.last_status_len = 0
self.last_msg_len = 0
self.last_back = self.BACK_OFF
for i in xrange(self.num_buttons):
self.last_repeat.append([0])
self.first_flag.append(True)
# map buttons
self.map = {
self.lcd.BUTTON_SELECT: self.EVENT_PICK,
self.lcd.BUTTON_RIGHT: self.EVENT_INC,
self.lcd.BUTTON_LEFT: self.EVENT_DEC,
self.lcd.BUTTON_DOWN: self.EVENT_NEXT,
self.lcd.BUTTON_UP: self.EVENT_PREV
}
# map background
self.map_back = {
self.BACK_OFF: self.lcd.OFF,
self.BACK_WHITE: self.lcd.WHITE,
self.BACK_RED: self.lcd.RED,
self.BACK_GREEN: self.lcd.GREEN,
self.BACK_BLUE: self.lcd.BLUE,
self.BACK_YELLOW: self.lcd.YELLOW,
self.BACK_TEAL: self.lcd.TEAL,
self.BACK_VIOLET: self.lcd.VIOLET
}
