Syntax:
GLCDDrawString(CharLocX, CharLocY, String [, Optional Colour] )
CharLocX is the X corrdinate location for the character
CharLocY is the Y coordinate location for the character
String is the string of characters to display
Colour can be ON or OFF. For the ST7735 devices this an be any word
value that represents the color palette
Explanation:
Displays an ASCII character at a specified X and Y location.
On a 128x64 Graphic LCD :
X = 1 to 128
Y = 1 to 64
