Port to ESP32

main/led.h

@@ -0,0 +1,136 @@
+/**
+ * @file led.h
+ * @brief LED strip control module for WS2812B
+ */
+
+#ifndef LED_H
+#define LED_H
+
+#include <stdint.h>
+#include "esp_err.h"
+
+#define LED_STRIP_MAX_LEDS 100  // Maximum LEDs per strip
+
+/**
+ * @brief RGB color structure
+ */
+typedef struct {
+    uint8_t r;
+    uint8_t g;
+    uint8_t b;
+} rgb_t;
+
+/**
+ * @brief HSV color structure
+ */
+typedef struct {
+    uint8_t h;  // Hue: 0-255
+    uint8_t s;  // Saturation: 0-255
+    uint8_t v;  // Value/Brightness: 0-255
+} hsv_t;
+
+/**
+ * @brief Initialize LED strips
+ * @param pin_a GPIO pin for strip A (-1 to disable)
+ * @param pin_b GPIO pin for strip B (-1 to disable)
+ * @param num_leds_a Number of LEDs in strip A
+ * @param num_leds_b Number of LEDs in strip B
+ * @return ESP_OK on success
+ */
+esp_err_t led_init(int8_t pin_a, int8_t pin_b, uint16_t num_leds_a, uint16_t num_leds_b);
+
+/**
+ * @brief Deinitialize LED strips
+ */
+void led_deinit(void);
+
+/**
+ * @brief Set pixel color on strip A
+ * @param index LED index
+ * @param color RGB color
+ */
+void led_set_pixel_a(uint16_t index, rgb_t color);
+
+/**
+ * @brief Set pixel color on strip B
+ * @param index LED index
+ * @param color RGB color
+ */
+void led_set_pixel_b(uint16_t index, rgb_t color);
+
+/**
+ * @brief Set all pixels on strip A to same color
+ * @param color RGB color
+ */
+void led_fill_a(rgb_t color);
+
+/**
+ * @brief Set all pixels on strip B to same color
+ * @param color RGB color
+ */
+void led_fill_b(rgb_t color);
+
+/**
+ * @brief Clear all pixels on both strips (set to black)
+ */
+void led_clear_all(void);
+
+/**
+ * @brief Refresh/update LED strips to show changes
+ */
+void led_show(void);
+
+/**
+ * @brief Fade all pixels towards black
+ * @param amount Fade amount (0-255)
+ */
+void led_fade_to_black(uint8_t amount);
+
+/**
+ * @brief Convert HSV to RGB
+ * @param hsv HSV color
+ * @return RGB color
+ */
+rgb_t led_hsv_to_rgb(hsv_t hsv);
+
+/**
+ * @brief Get number of LEDs in strip A
+ * @return Number of LEDs
+ */
+uint16_t led_get_num_leds_a(void);
+
+/**
+ * @brief Get number of LEDs in strip B
+ * @return Number of LEDs
+ */
+uint16_t led_get_num_leds_b(void);
+
+/**
+ * @brief Get current color of pixel on strip A
+ * @param index LED index
+ * @return RGB color
+ */
+rgb_t led_get_pixel_a(uint16_t index);
+
+/**
+ * @brief Get current color of pixel on strip B
+ * @param index LED index
+ * @return RGB color
+ */
+rgb_t led_get_pixel_b(uint16_t index);
+
+/**
+ * @brief Add color to existing pixel (blending)
+ * @param index LED index on strip A
+ * @param color RGB color to add
+ */
+void led_add_pixel_a(uint16_t index, rgb_t color);
+
+/**
+ * @brief Add color to existing pixel (blending)
+ * @param index LED index on strip B
+ * @param color RGB color to add
+ */
+void led_add_pixel_b(uint16_t index, rgb_t color);
+
+#endif // LED_H