own config module

main/config.h

@@ -0,0 +1,52 @@
+/**
+ * @file config.h
+ * @brief Config module for LED controller - handles read and store of persistent data
+ */
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "esp_err.h"
+#include <stdint.h>
+#include <stdbool.h>
+
+/**
+ * @brief Configuration structure stored in NVS
+ */
+typedef struct
+{
+    int8_t led_pin_strip_a;   // GPIO pin for LED strip A (-1 = not configured)
+    int8_t led_pin_strip_b;   // GPIO pin for LED strip B (-1 = not configured)
+    int8_t led_count_strip_a; // LED count for LED strip A (-1 = not configured)
+    int8_t led_count_strip_b; // LED count for LED strip B (-1 = not configured)
+    int8_t pwm_pin;           // GPIO pin for PWM input (-1 = not configured)
+    uint32_t magic;           // Magic number to validate config (0xDEADBEEF) //TODO: use sha256
+} config_t;
+
+/**
+ * @brief Initialize the config system
+ * Loads configuration from NVS and initializes subsystems
+ * @return ESP_OK on success
+ */
+esp_err_t config_init(void);
+
+/**
+ * @brief Get current configuration
+ * @param Pointer to current configuration (read-only)
+ */
+void config_get_config(config_t *const cnf);
+
+/**
+ * @brief Update configuration and save to NVS
+ * @param config New configuration
+ * @return ESP_OK on success
+ */
+esp_err_t config_update_config(const config_t *config);
+
+/**
+ * @brief Reset configuration to defaults
+ * @return ESP_OK on success
+ */
+esp_err_t config_reset_config(void);
+
+#endif // CONFIG_H