lcd2004.h

00001 #ifndef __LCD2004_H__
00002 #define __LCD2004_H__
00003 
00004 #include "lcd.h"
00005 
00006 class LCD2004
00007     : public LCD
00008 {
00009 public:
00010                         LCD2004(I2C & in_cI2C);
00011     virtual int         _putc(int c);
00012     
00013     virtual uint8_t     columns();
00014     virtual void        clear();
00015     virtual void        createChar(uint8_t location, uint8_t charmap[]);
00016     virtual void        home();
00017     virtual uint8_t     rows();
00018     virtual void        setCursor(uint8_t in_nX, uint8_t in_nY);
00019     virtual void        showBlink(bool in_bShow);
00020     virtual void        showCursor(bool in_bShow);
00021     virtual void        showDisplay(bool in_bShow);
00022 
00023 protected:
00024             uint8_t     read_reg(void);
00025             uint8_t     remap(uint8_t in_nValue);
00026             void        setDisplayControl(uint8_t in_nReg, bool in_bEnable);
00027             void        write_data(uint8_t in_nReg, uint8_t in_nValue);
00028             void        write_reg(uint8_t in_nValue);
00029     
00030 protected:
00031             uint8_t     m_nDisplayControl;
00032 };
00033 
00034 #endif // __LCD2004_H__