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ssd1306.h
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ssd1306.h
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/*
SSD1306.h - Library for SSD1306 simple debug output on Raspberry Pico C++.
Created by Joe Jackson, February 10, 2021.
Released into the public domain.
*/
#ifndef SSD1306_h
#define SSD1306_h
#include <stdint.h>
#include <string.h>
#include <cstdint>
#include "pico/stdlib.h"
#include "hardware/i2c.h"
#include "font.h"
#include "font2.h"
#define SET_CONTRAST 0x81
#define SET_ENTIRE_ON 0xA4
#define SET_NORM_INV 0xA6
#define SET_DISP 0xAE
#define SET_MEM_ADDR 0x20
#define SET_COL_ADDR 0x21
#define SET_PAGE_ADDR 0x22
#define SET_DISP_START_LINE 0x40
#define SET_SEG_REMAP 0xA0
#define SET_MUX_RATIO 0xA8
#define SET_COM_OUT_DIR 0xC0
#define SET_DISP_OFFSET 0xD3
#define SET_COM_PIN_CFG 0xDA
#define SET_DISP_CLK_DIV 0xD5
#define SET_PRECHARGE 0xD9
#define SET_VCOM_DESEL 0xDB
#define SET_CHARGE_PUMP 0x8D
#ifndef NO_ADAFRUIT_SSD1306_COLOR_COMPATIBILITY
#define BLACK SSD1306_BLACK ///< Draw 'off' pixels
#define WHITE SSD1306_WHITE ///< Draw 'on' pixels
#define INVERSE SSD1306_INVERSE ///< Invert pixels
#endif
/// fit into the SSD1306_ naming scheme
#define SSD1306_BLACK 0 ///< Draw 'off' pixels
#define SSD1306_WHITE 1 ///< Draw 'on' pixels
#define SSD1306_INVERSE 2 ///< Invert pixels
#define SSD1306_MEMORYMODE 0x20 ///< See datasheet
#define SSD1306_COLUMNADDR 0x21 ///< See datasheet
#define SSD1306_PAGEADDR 0x22 ///< See datasheet
#define SSD1306_SETCONTRAST 0x81 ///< See datasheet
#define SSD1306_CHARGEPUMP 0x8D ///< See datasheet
#define SSD1306_SEGREMAP 0xA0 ///< See datasheet
#define SSD1306_DISPLAYALLON_RESUME 0xA4 ///< See datasheet
#define SSD1306_DISPLAYALLON 0xA5 ///< Not currently used
#define SSD1306_NORMALDISPLAY 0xA6 ///< See datasheet
#define SSD1306_INVERTDISPLAY 0xA7 ///< See datasheet
#define SSD1306_SETMULTIPLEX 0xA8 ///< See datasheet
#define SSD1306_DISPLAYOFF 0xAE ///< See datasheet
#define SSD1306_DISPLAYON 0xAF ///< See datasheet
#define SSD1306_COMSCANINC 0xC0 ///< Not currently used
#define SSD1306_COMSCANDEC 0xC8 ///< See datasheet
#define SSD1306_SETDISPLAYOFFSET 0xD3 ///< See datasheet
#define SSD1306_SETDISPLAYCLOCKDIV 0xD5 ///< See datasheet
#define SSD1306_SETPRECHARGE 0xD9 ///< See datasheet
#define SSD1306_SETCOMPINS 0xDA ///< See datasheet
#define SSD1306_SETVCOMDETECT 0xDB ///< See datasheet
#define SSD1306_SETLOWCOLUMN 0x00 ///< Not currently used
#define SSD1306_SETHIGHCOLUMN 0x10 ///< Not currently used
#define SSD1306_SETSTARTLINE 0x40 ///< See datasheet
#define SSD1306_EXTERNALVCC 0x01 ///< External display voltage source
#define SSD1306_SWITCHCAPVCC 0x02 ///< Gen. display voltage from 3.3V
#define SSD1306_RIGHT_HORIZONTAL_SCROLL 0x26 ///< Init rt scroll
#define SSD1306_LEFT_HORIZONTAL_SCROLL 0x27 ///< Init left scroll
#define SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29 ///< Init diag scroll
#define SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A ///< Init diag scroll
#define SSD1306_DEACTIVATE_SCROLL 0x2E ///< Stop scroll
#define SSD1306_ACTIVATE_SCROLL 0x2F ///< Start scroll
#define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3 ///< Set scroll range
typedef uint8_t u8;
class SSD1306
{
public:
SSD1306();
SSD1306(u8 w, u8 h, u8 addr,bool extfont);
void writeln(char* v);
void print(char* v);
void begin();
void init_i2c(i2c_inst* port, u8 sda_pin, u8 scl_pin);
void send(u8 v1, u8 v2);
void init_display();
void write_cmd(u8 cmd);
void fill_scr(u8 v);
void show_scr();
void contrast(bool contrast);
void invert(bool invert);
void draw_pixel(int16_t x, int16_t y, int color);
void draw_bitmap(int16_t x, int16_t y, const u8 bitmap[], int16_t w,
int16_t h, uint16_t color);
void draw_letter_at(u8 x, u8 y, char c);
void draw_letter(char c);
void pixel(int x, int y);
void SSD1306_println(const char* str);
void SSD1306_print(const char* str);
void display();
void clearDisplay();
void setCursor(u8 x, u8 y);
u8 get_height();
u8 get_width();
private:
u8 _width;
u8 _height;
u8 _pages;
u8 _cursorx;
u8 _cursory;
i2c_inst* _port;
u8 _sda_pin;
u8 _scl_pin;
u8 _i2cAddr;
int _i;
bool _external_vcc;
bool _extfont;
u8 i2caddr, vccstate, page_end;
u8 buffer[1025];
};
#endif