def __init__(self, pin_rs, pin_e, pin_d4, pin_d5, pin_d6, pin_d7, pin_k = -1):
self.has_grnd = pin_k
self.lcd = Adafruit_CharLCD(pin_rs, pin_e, [pin_d4, pin_d5, pin_d6, pin_d7], None, pin_k)
self.lcd.backlight_on()
self.lcd.begin(16, 2)
self.lcd.clear()
class Display:
def __init__(self, pin_rs, pin_e, pin_d4, pin_d5, pin_d6, pin_d7, pin_k = -1):
self.has_grnd = pin_k
self.lcd = Adafruit_CharLCD(pin_rs, pin_e, [pin_d4, pin_d5, pin_d6, pin_d7], None, pin_k)
self.lcd.backlight_on()
self.lcd.begin(16, 2)
self.lcd.clear()
def on(self):
if self.has_grnd >= 0:
self.lcd.backlight_on()
self.lcd.clear()
def off(self):
self.lcd.clear()
if self.has_grnd >= 0:
self.lcd.backlight_off()
def message(self, col, row, message):
self.lcd.setCursor(col, row)
self.lcd.message(message)
def clear(self):
self.lcd.clear()
def clear_row(self, row):
self.message(0, row, " ")
