Fix set backlight issue

adafruit / Adafruit_CircuitPython_CharLCD

Library code for character LCD interfacing

MIT License

69 stars 50 forks source link

Fix set backlight issue #6

Closed BravoDelta151 closed 6 years ago

BravoDelta151 commented 6 years ago

Added check to ensure self.backlight is not None and corrected value setting to match docstring.

tdicola commented 6 years ago

Per the discussion in #5 let's close this becuase it's not clear what polarity to assume. Ideally something can support both polarities for backlight.