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components/st7789/include/st7789.h

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+/**
+ * @file st7789.h
+ * @brief ST7789 Display Driver for Waveshare ESP32-S3-Touch-LCD-2
+ * 
+ * 2.0" TFT Display, 240x320 resolution
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Initialize ST7789 display
+ * @return ESP_OK on success
+ */
+esp_err_t st7789_init(void);
+
+/**
+ * @brief Set backlight brightness
+ * @param brightness 0-100%
+ */
+void st7789_set_backlight(uint8_t brightness);
+
+/**
+ * @brief Clear screen to color
+ * @param color 16-bit RGB565 color
+ */
+void st7789_fill_screen(uint16_t color);
+
+/**
+ * @brief Draw pixel
+ * @param x X coordinate
+ * @param y Y coordinate
+ * @param color 16-bit RGB565 color
+ */
+void st7789_draw_pixel(int16_t x, int16_t y, uint16_t color);
+
+/**
+ * @brief Draw buffer (framebuffer)
+ * @param buffer Pointer to RGB565 framebuffer
+ * @param x X start position
+ * @param y Y start position
+ * @param width Width of buffer
+ * @param height Height of buffer
+ */
+void st7789_draw_buffer(const uint16_t *buffer, int16_t x, int16_t y, 
+                        int16_t width, int16_t height);
+
+#ifdef __cplusplus
+}
+#endif