bandtank/Stoplight-Controller — comment on commit 02b260c35c77ac0855e21b1a650748be96371013
File: stoplight_firmware/stoplight_functions.c line 162
By daviddoria:

Is 0x20 a space/blank? I'm assuming the LCD is 16 characters wide? You might want to make a static const unsigned int LCD_WIDTH = 16; to clarify this.