Subversion Repositories idreammicro-arduino

/*

 * Deuligne.h

 *

 * copyleft 2011 snootlab

 * free software, have fun !

 *

 */

#ifndef SNOOTLCDI2C_h

#define SNOOTLCDI2C_h

#if defined(ARDUINO) && ARDUINO >= 100

#define SNOOT_RETURN size_t

#define SNOOT_WIREWRITE Wire.write

#else

#define SNOOT_RETURN void

#define SNOOT_WIREWRITE Wire.send

#endif

#include <inttypes.h>

#include <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_5x11DOTS 0x04

#define LCD_5x8DOTS 0x00

// overclcking I2C

#define CPU_FREQ 16000000L // (...) - a discuter, car fonction vitesse clock cpu

#define TWI_FREQ_MCP23008 400000L

// IMPORTANT! Wire. must have a begin() before calling init()

class Deuligne : public Print {

public:

  Deuligne(int devI2CAddress=0xA7, int num_lines=2, int lcdwidth=16, int bufferwidth= 40);

  void commandWrite(int command);

  void init();

  void clear();

  void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);

  virtual SNOOT_RETURN write(uint8_t);

  //  virtual void print(uint8_t);

  //  virtual void printIn(uint8_t*);

  void backLight( bool turnOn );

  //non-core---------------

  //void cursorTo(int line_num, int x);

  void setCursor(uint8_t col, uint8_t row);

  //{cursorTo(n,x);}

  //void leftScroll(int chars, int delay_time);

  //end of non-core--------

  //4bit only, therefore ideally private but may be needed by user

  //void commandWriteNibble(int nibble);

  //  virtual void print(int value){print((uint8_t)value);}

  //  virtual void printIn(char value[]){print((uint8_t*)value);}

  /**

   * from LiquidCrystal (official arduino) Library

   ***/

  void createChar(uint8_t, uint8_t[]);

  void command(uint8_t);

  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();

  int get_key();

private:

  //void pulseEnablePin();

  //void pushNibble(int nibble);

  //void pushByte(int value);

  int myNumLines;

  int myWidth;

  int myAddress;

  int myBufferwidth;

  int adc_key_in;

  //  int adc_key_val[5];

  int NUM_KEYS;

  uint8_t _displayfunction;

  uint8_t _displaycontrol;

  uint8_t _displaymode;

};

#endif