twr_ssd1306.h

#ifndef _TWR_SSD1306_H
#define _TWR_SSD1306_H
 
#include <twr_gfx.h>
#include <twr_scheduler.h>
#include <twr_i2c.h>
 
 
#define TWR_SSD1306_ADDRESS_I2C_ADDRESS_DEFAULT 0x3C
#define TWR_SSD1306_ADDRESS_I2C_ADDRESS_ALTERNATE 0x3D
 
#define TWR_SSD1306_FRAMEBUFFER(NAME, WIDTH, HEIGHT) \
    uint8_t NAME##_buffer[WIDTH * HEIGHT / 8]; \
    twr_ssd1306_framebuffer_t NAME = { \
            .buffer = NAME##_buffer, \
            .width = WIDTH, \
            .height = HEIGHT, \
            .length = sizeof(NAME##_buffer), \
            .pages = HEIGHT / 8 \
    };
 
typedef struct
{
    int width;
    int height;
    uint8_t *buffer;
    size_t length;
    int pages;
 
} twr_ssd1306_framebuffer_t;
 
 
typedef struct
{
    twr_i2c_channel_t _i2c_channel;
    uint8_t _i2c_address;
    const twr_ssd1306_framebuffer_t *_framebuffer;
    bool _initialized;
 
} twr_ssd1306_t;
 
 
bool twr_ssd1306_init(twr_ssd1306_t *self, twr_i2c_channel_t i2c_channel, uint8_t i2c_address, const twr_ssd1306_framebuffer_t *framebuffer);
 
 
twr_gfx_caps_t twr_ssd1306_get_caps(twr_ssd1306_t *self);
 
 
bool twr_ssd1306_is_ready(twr_ssd1306_t *self);
 
 
void twr_ssd1306_clear(twr_ssd1306_t *self);
 
 
void twr_ssd1306_draw_pixel(twr_ssd1306_t *self, int x, int y, uint32_t color);
 
 
uint32_t twr_ssd1306_get_pixel(twr_ssd1306_t *self, int x, int y);
 
 
bool twr_ssd1306_update(twr_ssd1306_t *self);
 
 
const twr_gfx_driver_t *twr_ssd1306_get_driver(void);
 
 
#endif //_TWR_SSD1306_H