73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
#ifndef _UDISPLAY_I2C_PANEL_H_
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#define _UDISPLAY_I2C_PANEL_H_
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#include <Arduino.h>
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#include <Wire.h>
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#include "uDisplay_panel.h"
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/**
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* Configuration for I2C displays (typically OLED like SSD1306)
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*/
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struct I2CPanelConfig {
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// ===== Display Dimensions =====
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uint16_t width;
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uint16_t height;
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uint8_t bpp; // bits per pixel (typically 1 for OLED)
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// ===== I2C Configuration =====
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uint8_t i2c_address; // I2C device address
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TwoWire* wire; // I2C bus instance
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// ===== Display Commands =====
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uint8_t cmd_set_addr_x; // Set column address command
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uint8_t cmd_set_addr_y; // Set page address command
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uint8_t cmd_write_ram; // Write data command
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// ===== Display Control Commands =====
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uint8_t cmd_display_on;
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uint8_t cmd_display_off;
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uint8_t cmd_invert_on;
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uint8_t cmd_invert_off;
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// ===== Address Range =====
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uint8_t page_start; // Starting page
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uint8_t page_end; // Ending page
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uint8_t col_start; // Starting column
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uint8_t col_end; // Ending column
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// ===== Initialization =====
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uint8_t* init_commands;
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uint16_t init_commands_count;
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};
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class i2c_panel : public UniversalPanel {
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public:
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/**
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* Constructor - receives configuration struct and framebuffer
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*/
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i2c_panel(const I2CPanelConfig& config, uint8_t* framebuffer);
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bool updateFrame() override;
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bool displayOnff(int8_t on) override;
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bool invertDisplay(bool invert) override;
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bool setRotation(uint8_t rotation) override { return false; }
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bool drawPixel(int16_t x, int16_t y, uint16_t color) override { return false; }
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bool fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) override { return false; }
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bool pushColors(uint16_t *data, uint16_t len, bool first = false) override { return false; }
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bool setAddrWindow(int16_t x0, int16_t y0, int16_t x1, int16_t y1) override { return false; }
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bool drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) override { return false; }
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bool drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) override { return false; }
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uint8_t* framebuffer = nullptr;
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private:
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// ===== Hardware & Configuration =====
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I2CPanelConfig cfg; // Copy of config
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// ===== Internal Helpers =====
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void i2c_command(uint8_t val);
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};
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#endif // _UDISPLAY_I2C_PANEL_H_
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