ardupilot/libraries/AP_Notify/Display_SSD1306_I2C.h

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#pragma once
#include "Display.h"
#include "Display_Backend.h"
#include <AP_HAL/I2CDevice.h>
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#define SSD1306_COLUMNS 128 // display columns
#define SSD1306_ROWS 64 // display rows
#define SSD1306_ROWS_PER_PAGE 8
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class Display_SSD1306_I2C: public Display_Backend {
public:
static Display_SSD1306_I2C *probe(AP_HAL::OwnPtr<AP_HAL::Device> dev);
void hw_update() override;
void set_pixel(uint16_t x, uint16_t y) override;
void clear_pixel(uint16_t x, uint16_t y) override;
void clear_screen() override;
protected:
Display_SSD1306_I2C(AP_HAL::OwnPtr<AP_HAL::Device> dev);
~Display_SSD1306_I2C() override;
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private:
bool hw_init() override;
void _timer();
AP_HAL::OwnPtr<AP_HAL::Device> _dev;
uint8_t _displaybuffer[SSD1306_COLUMNS * SSD1306_ROWS_PER_PAGE];
bool _need_hw_update;
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};