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-rw-r--r--libraries/LiquidCrystal/LiquidCrystal.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/libraries/LiquidCrystal/LiquidCrystal.h b/libraries/LiquidCrystal/LiquidCrystal.h
new file mode 100644
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--- /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