adafruit/Adafruit-LED-Backpack-Library — pull request #8 by djix123 (2013-10-27 21:38:00+00:00)
Title: Added function Adafruit_7segment::writeColon() - write the buffered colo...

Adds a function to allow the colon state, for a 7-seg display to be changed without having re-write the whole display.
(I made this function a member of the class Adafruit_7segment since it didn't make sense for the for the other classes derived from Adafruit_LEDBackpack - but this meant I needed to make i2c_addr protected rather than private)