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SSD1306.h
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SSD1306.h
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/*
Based on https://os.mbed.com/users/eggsylah/code/SSD1306-I2C/
*/
#ifndef SSD1306_H_
#define SSD1306_H_
#include "Adafruit_GFX.h"
#include <mbed.h>
#include <stdint.h>
#define SSD1306_LCDWIDTH 128
#define SSD1306_LCDHEIGHT 64
#define BLACK 0
#define WHITE 1
#define INVERSE 2
#define SSD1306_SETCONTRAST 0x81
#define SSD1306_DISPLAYALLON_RESUME 0xA4
#define SSD1306_DISPLAYALLON 0xA5
#define SSD1306_NORMALDISPLAY 0xA6
#define SSD1306_INVERTDISPLAY 0xA7
#define SSD1306_DISPLAYOFF 0xAE
#define SSD1306_DISPLAYON 0xAF
#define SSD1306_SETDISPLAYOFFSET 0xD3
#define SSD1306_SETCOMPINS 0xDA
#define SSD1306_SETVCOMDETECT 0xDB
#define SSD1306_SETDISPLAYCLOCKDIV 0xD5
#define SSD1306_SETPRECHARGE 0xD9
#define SSD1306_SETMULTIPLEX 0xA8
#define SSD1306_SETLOWCOLUMN 0x00
#define SSD1306_SETHIGHCOLUMN 0x10
#define SSD1306_SETSTARTLINE 0x40
#define SSD1306_MEMORYMODE 0x20
#define SSD1306_COLUMNADDR 0x21
#define SSD1306_PAGEADDR 0x22
#define SSD1306_COMSCANINC 0xC0
#define SSD1306_COMSCANDEC 0xC8
#define SSD1306_SEGREMAP 0xA0
#define SSD1306_CHARGEPUMP 0x8D
// Scrolling #defines
#define SSD1306_ACTIVATE_SCROLL 0x2F
#define SSD1306_DEACTIVATE_SCROLL 0x2E
#define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3
#define SSD1306_RIGHT_HORIZONTAL_SCROLL 0x26
#define SSD1306_LEFT_HORIZONTAL_SCROLL 0x27
#define SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29
#define SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A
class SSD1306 : public Adafruit_GFX
{
I2C * _i2c;
public:
SSD1306(I2C * i2c, int16_t w=SSD1306_LCDWIDTH, int16_t h=SSD1306_LCDHEIGHT);
void drawPixel(int16_t x, int16_t y, uint16_t color);
void hw_setup();
void begin(bool reset=true);
void display(void);
void clearDisplay(void);
void invertDisplay(uint8_t i);
void startscrollleft(uint8_t start, uint8_t stop);
void startscrollright(uint8_t start, uint8_t stop);
void startscrolldiagright(uint8_t start, uint8_t stop);
void startscrolldiagleft(uint8_t start, uint8_t stop);
void stopscroll(void);
void dim(bool dim);
void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
protected:
int16_t
_width, _height; // Display w/h as modified by current rotation
uint8_t
textsize,
rotation;
private:
void _sendData(const uint8_t *blk, uint32_t len, bool isData);
void sendCommands(const uint8_t *blk, uint32_t len);
void sendData(const uint8_t *blk, uint32_t len);
//void ssd1306_command(uint8_t c);
void drawFastHLineInternal(int16_t x, int16_t y, int16_t w, uint16_t color);
void drawFastVLineInternal(int16_t x, int16_t __y, int16_t __h, uint16_t color);
void _scroll(uint8_t mode, uint8_t start, uint8_t stop);
};
#endif /* SOURCE_SSD1306_LIBARY_H_ */