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#ifndef OLED_SSD1331_H

#define	OLED_SSD1331_H

#define SSD1331_LCDWIDTH        96

#define SSD1331_LCDHEIGHT       64

//#define SSD1331_STRING_BUFFER_SIZE          64

// Select one of these defines to set the pixel color order

#define SSD1331_COLORORDER_RGB

// #define SSD1331_COLORORDER_BGR

// SSD1331 Commands

#define SSD1331_CMD_DRAWLINE 		0x21

#define SSD1331_CMD_DRAWRECT 		0x22

#define SSD1331_CMD_CLEARWINDOW         0x25

#define SSD1331_CMD_FILL                0x26

#define SSD1331_CMD_SETCOLUMN 		0x15

#define SSD1331_CMD_SETROW    		0x75

#define SSD1331_CMD_CONTRASTA 		0x81

#define SSD1331_CMD_CONTRASTB 		0x82

#define SSD1331_CMD_CONTRASTC		0x83

#define SSD1331_CMD_MASTERCURRENT 	0x87

#define SSD1331_CMD_SETREMAP 		0xA0

#define SSD1331_CMD_STARTLINE 		0xA1

#define SSD1331_CMD_DISPLAYOFFSET 	0xA2

#define SSD1331_CMD_NORMALDISPLAY 	0xA4

#define SSD1331_CMD_DISPLAYALLON  	0xA5

#define SSD1331_CMD_DISPLAYALLOFF 	0xA6

#define SSD1331_CMD_INVERTDISPLAY 	0xA7

#define SSD1331_CMD_SETMULTIPLEX  	0xA8

#define SSD1331_CMD_SETMASTER 		0xAD

#define SSD1331_CMD_DISPLAYOFF 		0xAE

#define SSD1331_CMD_DISPLAYON     	0xAF

#define SSD1331_CMD_POWERMODE 		0xB0

#define SSD1331_CMD_PRECHARGE 		0xB1

#define SSD1331_CMD_CLOCKDIV 		0xB3

#define SSD1331_CMD_PRECHARGEA 		0x8A

#define SSD1331_CMD_PRECHARGEB 		0x8B

#define SSD1331_CMD_PRECHARGEC 		0x8C

#define SSD1331_CMD_PRECHARGELEVEL 	0xBB

#define SSD1331_CMD_VCOMH 		0xBE

// Color definitions

#define	SSD1331_BLACK           0x0000

#define	SSD1331_BLUE            0x001F

#define	SSD1331_RED             0xF800

#define	SSD1331_GREEN           0x07E0

#define SSD1331_CYAN            0x07FF

#define SSD1331_MAGENTA         0xF81F

#define SSD1331_YELLOW          0xFFE0

#define SSD1331_WHITE           0xFFFF

typedef struct {

    int WIDTH, HEIGHT; // raw display size

    int _width, _height; // size depending on rotation

    int cursor_x, cursor_y;

    unsigned int textcolor, textbgcolor;

    char textsize;

    char rotation;

    char wrap; // If set, wrap text at right side

} SSD1331_DATA;

// Misc functions

int SSD1331_Abs(int i);

void SSD1331_Swap(int *a, int *b);

unsigned int SSD1331_Color565(char r, char g, char b);

// Core functions

void SSD1331_Init(SSD1331_DATA *data);

void SSD1331_Begin(void);

void SSD1331_GoTo(int x, int y);

void SSD1331_Command(char c);

void SSD1331_Data(char d);

// Display functions

void SSD1331_Clear_Display(void);

void SSD1331_Draw_Pixel(int x, int y, unsigned int color);

void SSD1331_Draw_Line(int x0, int y0, int x1, int y1, unsigned int color);

void SSD1331_Draw_Fast_VLine(int x, int y, int h, unsigned int color);

void SSD1331_Draw_Fast_HLine(int x, int y, int w, unsigned int color);

void SSD1331_Draw_Rect(int x0, int y0, int x1, int y1, unsigned int color);

void SSD1331_Fill_Rect(int x0, int y0, int x1, int y1, unsigned int color);

void SSD1331_Draw_Circle(int x0, int y0, int r, unsigned int color);

void SSD1331_Draw_Circle_Helper(int x0, int y0, int r, char cornername, unsigned int color);

void SSD1331_Fill_Circle(int x0, int y0, int r, unsigned int color);

void SSD1331_Fill_Circle_Helper(int x0, int y0, int r, char cornername, int delta, unsigned int color);

void SSD1331_Draw_Triangle(int x0, int y0, int x1, int y1, int x2, int y2, unsigned int color);

void SSD1331_Fill_Triangle(int x0, int y0, int x1, int y1, int x2, int y2, unsigned int color);

void SSD1331_Draw_Round_Rect(int x0, int y0, int w, int h, int radius, unsigned int color);

void SSD1331_Fill_Round_Rect(int x0, int y0, int w, int h, int radius, unsigned int color);

void SSD1331_Draw_Bitmap(int x, int y, const char *bitmap, int w, int h, unsigned int color);

void SSD1331_Draw_Char(int x, int y, char c, unsigned int color, unsigned int bg, char size);

void SSD1331_Write(char c);

void SSD1331_Write_String(char *msg, char length);

//void SSD1331_Write_String(const rom char *fmt, ...);

//void SSD1331_Append_String(const rom char *fmt, ...);

void SSD1331_Set_Cursor(int x, int y);

void SSD1331_Set_Text_Color(unsigned int c);

void SSD1331_Set_Text_Color_BG(unsigned int c, unsigned int bg);

void SSD1331_Set_Text_Size(char s);

void SSD1331_Set_Text_Wrap(char w);

void SSD1331_Set_Rotation(char r);

// Test functions

void SSD1331_Test_DrawLines(unsigned int color);

void SSD1331_Test_DrawRect(unsigned int color);

void SSD1331_Test_FillRect(unsigned int color1, unsigned int color2);

void SSD1331_Test_DrawCircle(unsigned int radius, unsigned int color);

void SSD1331_Test_FillCircle(unsigned int radius, unsigned int color);

void SSD1331_Test_DrawTria(void);

void SSD1331_Test_DrawRoundRect(void);

void SSD1331_Test_MediaButtons(void);

void SSD1331_Test_Pattern(void);

#endif	/* OLED_SSD1331_H */