Adolfo Reyna
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
#ifndef LOW_LEVEL_DISPLAY_ST7789_H
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#define LOW_LEVEL_DISPLAY_ST7789_H
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#include "low_level_display.h"
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// ST7789 configuration structure (similar to ST7796)
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struct st7789_config {
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void* spi; // SPI instance
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int gpio_din; // MOSI pin
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int gpio_clk; // Clock pin
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int gpio_cs; // Chip select pin
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int gpio_dc; // Data/Command pin
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int gpio_rst; // Reset pin
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int gpio_bl; // Backlight pin
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};
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class LowLevelDisplayST7789 : public LowLevelDisplay {
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private:
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const st7789_config* config;
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int width;
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int height;
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bool initialized;
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uint16_t* rgb_buffer; // Persistent buffer for 1-bit to RGB565 conversion
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public:
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LowLevelDisplayST7789(const st7789_config* cfg, int w, int h);
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~LowLevelDisplayST7789() override;
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// Core display operations - converts 1-bit to RGB565 internally
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bool init() override;
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void clear(bool white = true) override;
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void draw_pixel(int x, int y, bool white) override;
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void draw_buffer(const uint8_t* bit_buffer) override;
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void refresh() override;
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// Display properties
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int get_width() const override { return width; }
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int get_height() const override { return height; }
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DisplayType get_type() const override { return DISPLAY_TYPE_ST7789; }
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bool is_color() const override { return true; }
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// Backlight control
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void set_backlight(bool on) override;
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// Orientation control
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void set_rotation(uint8_t rotation) override;
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};
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#endif // LOW_LEVEL_DISPLAY_ST7789_H
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