Oliver Broad / Adafruit-GP9002-Grayscale-VFD-Library

ADAFRUIT GP9002 VFD Driver supporting grayscale display, requires GFX-Library Note no "invert" function, also fixed timing issue in "begin"

Dependencies:   bitreversetable256

Dependents:   GP9002af_gray

Fork of Adafruit-GP9002-Graphic-VFD-Library by Oliver Broad

Diff: Adafruit_GP9002.h

Revision:
1:09dc95ba8711
Parent:
0:e760d4cfabe4
Child:
2:ecf13e85f0fa
--- a/Adafruit_GP9002.h	Sat May 07 12:53:09 2016 +0000
+++ b/Adafruit_GP9002.h	Sun May 08 13:47:58 2016 +0000
@@ -5,8 +5,10 @@
 
 #include "Adafruit_GFX.h"
 
-#define BLACK 0
-#define WHITE 1
+#define BLACK  0
+#define GRAY   1
+#define LTGRAY 2
+#define WHITE  3
 
 #define GP9002_DISPLAYSOFF 0x00
 #define GP9002_DISPLAY1ON 0x01