Diff: WattBob_TextLCD.h

Revision:

8:5a1c4254e4a6

Parent:

7:020722c18a8b

Child:

9:3b26cd028e85

diff -r 020722c18a8b -r 5a1c4254e4a6 WattBob_TextLCD.h
--- a/WattBob_TextLCD.h	Thu Mar 24 13:46:06 2011 +0000
+++ b/WattBob_TextLCD.h	Thu Dec 08 16:22:17 2011 +0000
@@ -14,6 +14,63 @@
 #define     E_BIT       5
 #define     BL_BIT      4   
 
+//
+// Registers and bit definitions for 2*16 character display chip
+//
+#define     CMD_CLEAR_DISPLAY       0x01
+
+#define     CMD_RETURN_HOME         0x02
+
+#define     CMD_ENTRY_MODE          0x04
+#define       CURSOR_STEP_LEFT      0x00
+#define       CURSOR_STEP_RIGHT     0x02
+#define       DISPLAY_SHIFT_OFF     0x00
+#define       DISPLAY_SHIFT_ON      0x01
+       
+#define     CMD_DISPLAY_CONTROL     0x08
+#define       DISPLAY_OFF           0x00
+#define       DISPLAY_ON            0x04
+#define       CURSOR_OFF            0x00
+#define       CURSOR_ON             0x02
+#define       CURSOR_CHAR_BLINK_OFF 0x00
+#define       CURSOR_CHAR_BLINK_ON  0x01
+
+#define     CMD_CURSOR_SHIFT        0x10
+#define       SHIFT_CURSOR_LEFT     0x00
+#define       SHIFT_CURSOR_RIGHT    0x04
+#define       SHIFT_DISPLAY_LEFT    0x08
+#define       SHIFT_DISPLAY_RIGHT   0x0C
+
+#define     CMD_MODE_POWER          0x13
+#define       CHARACTER_MODE        0x00
+#define       GRAPHICS_MODE         0x08
+#define       INTERNAL_POWER_OFF    0x00
+#define       INTERNAL_POWER_ON     0x04
+
+#define     CMD_FUNCTION_SET        0x20
+#define       ENGL_JAPAN_FONT_SET   0x00
+#define       EUROPE_FONT_SET       0x01
+#define       ENGL_RUSSIAN_FONT_SET 0x20
+#define       FONT_5x8              0x00
+#define       FONT_5x10             0x04
+#define       ONE_LINE_DISPLAY      0x00
+#define       TWO_LINE_DISPLAY      0x08
+#define       INTERFACE_4_BIT       0x00
+#define       INTERFACE_8_BIT       0x10
+
+#define     CMD_SET_CGRAM_ADDRESS   0x40
+
+#define     CMD_SET_DDRAM_ADDRESS   0x80
+//
+// nibble commands
+//
+#define     CMD4_SET_4_BIT_INTERFACE 0x2
+#define     CMD4_SET_8_BIT_INTERFACE 0x3
+//
+// Misc 2*16 character display constants
+//
+#define     DISPLAY_INIT_DELAY_SECS    0.025f       // 25mS
+
 /** Class to access 16*2 LCD display connected to an MCP23017 I/O extender chip
  *
  * Derived from the "stream" class to be able to use methods such as "printf"