1 files changed, 105 insertions, 0 deletions
diff --git a/libraries/LiquidCrystal/LiquidCrystal.h b/libraries/LiquidCrystal/LiquidCrystal.h
new file mode 100644
index 0000000..06a159d
--- /dev/null
+++ b/libraries/LiquidCrystal/LiquidCrystal.h
@@ -0,0 +1,105 @@
+#ifndef LiquidCrystal_h
+#define LiquidCrystal_h
+
+//#include <inttypes.h>
+#include <wirish/wirish.h>
+#include <wirish/Print.h>
+
+// commands
+#define LCD_CLEARDISPLAY 0x01
+#define LCD_RETURNHOME 0x02
+#define LCD_ENTRYMODESET 0x04
+#define LCD_DISPLAYCONTROL 0x08
+#define LCD_CURSORSHIFT 0x10
+#define LCD_FUNCTIONSET 0x20
+#define LCD_SETCGRAMADDR 0x40
+#define LCD_SETDDRAMADDR 0x80
+
+// flags for display entry mode
+#define LCD_ENTRYRIGHT 0x00
+#define LCD_ENTRYLEFT 0x02
+#define LCD_ENTRYSHIFTINCREMENT 0x01
+#define LCD_ENTRYSHIFTDECREMENT 0x00
+
+// flags for display on/off control
+#define LCD_DISPLAYON 0x04
+#define LCD_DISPLAYOFF 0x00
+#define LCD_CURSORON 0x02
+#define LCD_CURSOROFF 0x00
+#define LCD_BLINKON 0x01
+#define LCD_BLINKOFF 0x00
+
+// flags for display/cursor shift
+#define LCD_DISPLAYMOVE 0x08
+#define LCD_CURSORMOVE 0x00
+#define LCD_MOVERIGHT 0x04
+#define LCD_MOVELEFT 0x00
+
+// flags for function set
+#define LCD_8BITMODE 0x10
+#define LCD_4BITMODE 0x00
+#define LCD_2LINE 0x08
+#define LCD_1LINE 0x00
+#define LCD_5x10DOTS 0x04
+#define LCD_5x8DOTS 0x00
+
+class LiquidCrystal : public Print {
+public:
+  LiquidCrystal(uint8 rs, uint8 enable,
+                uint8 d0, uint8 d1, uint8 d2, uint8 d3,
+                uint8 d4, uint8 d5, uint8 d6, uint8 d7);
+  LiquidCrystal(uint8 rs, uint8 rw, uint8 enable,
+                uint8 d0, uint8 d1, uint8 d2, uint8 d3,
+                uint8 d4, uint8 d5, uint8 d6, uint8 d7);
+  LiquidCrystal(uint8 rs, uint8 rw, uint8 enable,
+                uint8 d0, uint8 d1, uint8 d2, uint8 d3);
+  LiquidCrystal(uint8 rs, uint8 enable,
+                uint8 d0, uint8 d1, uint8 d2, uint8 d3);
+
+  void init(uint8 fourbitmode, uint8 rs, uint8 rw, uint8 enable,
+            uint8 d0, uint8 d1, uint8 d2, uint8 d3,
+            uint8 d4, uint8 d5, uint8 d6, uint8 d7);
+
+  void begin(uint8 cols, uint8 rows, uint8 charsize = LCD_5x8DOTS);
+
+  void clear();
+  void home();
+
+  void noDisplay();
+  void display();
+  void noBlink();
+  void blink();
+  void noCursor();
+  void cursor();
+  void scrollDisplayLeft();
+  void scrollDisplayRight();
+  void leftToRight();
+  void rightToLeft();
+  void autoscroll();
+  void noAutoscroll();
+
+  void createChar(uint8, uint8[]);
+  void setCursor(uint8, uint8);
+  virtual void write(uint8);
+  void command(uint8);
+private:
+  void send(uint8, uint8);
+  void write4bits(uint8);
+  void write8bits(uint8);
+  void pulseEnable();
+
+  uint8 _rs_pin; // LOW: command.  HIGH: character.
+  uint8 _rw_pin; // LOW: write to LCD.  HIGH: read from LCD.
+  uint8 _enable_pin; // activated by a HIGH pulse.
+  uint8 _data_pins[8];
+
+  uint8 _displayfunction;
+  uint8 _displaycontrol;
+  uint8 _displaymode;
+
+  uint8 _initialized;
+
+  uint8 _numlines,_currline;
+};
+
+#endif