Add WS2812 status module and config

main/ws2812_status.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "esp_err.h"
+#include "sdkconfig.h"
+
+#ifndef CONFIG_WATCH_WS2812_LED_COUNT
+#define CONFIG_WATCH_WS2812_LED_COUNT 5
+#endif
+
+#define WS2812_STATUS_LED_COUNT CONFIG_WATCH_WS2812_LED_COUNT
+
+esp_err_t ws2812_status_init(void);
+esp_err_t ws2812_status_set_channel_state(size_t channel, bool enabled);
+esp_err_t ws2812_status_mark_active(size_t channel);
+esp_err_t ws2812_status_clear_active(void);
+esp_err_t ws2812_status_set_error(bool has_error);
+esp_err_t ws2812_status_refresh_from_dcdc(void);