#ifndef __SEEED_OLED_H__
#define __SEEED_OLED_H__

#include <std.h>

#include "i2c.h"

class SeeedOLED {
  protected:
    I2C &i2c;
    enum mode_t {PAGE_MODE = 1, HORIZONTAL_MODE = 2} addressingMode;
  public:
    static const Uint8 i2c_address;
    static const Uint8 Max_X;
    static const Uint8 Max_Y;

    static const Uint8 Command_Mode;
    static const Uint8 Data_Mode;
    static const Uint8 Display_Off_Cmd;
    static const Uint8 Display_On_Cmd;
    static const Uint8 Normal_Display_Cmd;
    static const Uint8 Inverse_Display_Cmd;
    static const Uint8 Activate_Scroll_Cmd;
    static const Uint8 Dectivate_Scroll_Cmd;
    static const Uint8 Set_Brightness_Cmd;

    static const Uint8 Scroll_Left;
    static const Uint8 Scroll_Right;

    static const Uint8 Scroll_2Frames;
    static const Uint8 Scroll_3Frames;
    static const Uint8 Scroll_4Frames;
    static const Uint8 Scroll_5Frames;
    static const Uint8 Scroll_25Frames;
    static const Uint8 Scroll_64Frames;
    static const Uint8 Scroll_128Frames;
    static const Uint8 Scroll_256Frames;
    
    SeeedOLED(I2C &i2c_if);
    
    void init(
        void (*wait_func)(const unsigned int &) = NULL, const unsigned int &wait = 0);
    
    void setNormalDisplay();
    void setInverseDisplay();
    
    void sendCommand(const Uint8 &command);
    void sendData(const Uint8 &data);
    
    void setPageMode();
    void setHorizontalMode();
    
    void setTextXY(const Uint8 &row, const Uint8 &column);
    void clearDisplay();
    void setBrightness(unsigned char brightness);
    void putChar(const Uint8 &c);
    void putString(const char *buf, const Uint8 &buf_length);
    void putString(const char *c_str);
    void drawBitmap(const Uint8 *bitmaparray, const int &bytes);
    
    void setHorizontalScrollProperties(
        const Uint8 &direction, 
        const Uint8 &startPage, const Uint8 &endPage, const Uint8 &scrollSpeed);
    void activateScroll();
    void deactivateScroll();
}; 

#endif /* __SEEED_OLED_H__ */