add simulation to UI

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/components/led-manager/include/color.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdint.h>
+#include <sys/cdefs.h>
 
 typedef struct
 {
@@ -16,7 +17,9 @@ typedef struct
     uint8_t v;
 } hsv_t;
 
+__BEGIN_DECLS
 rgb_t interpolate_color_rgb(rgb_t start, rgb_t end, float factor);
 rgb_t interpolate_color_hsv(rgb_t start, rgb_t end, float factor);
 hsv_t rgb_to_hsv(rgb_t rgb);
 rgb_t hsv_to_rgb(hsv_t hsv);
+__END_DECLS

firmware/components/led-manager/src/led_strip_ws2812.c

@@ -88,6 +88,8 @@ esp_err_t led_strip_init(void)
         return ESP_FAIL;
     }
 
+    set_all_pixels((rgb_t){.red = 0, .green = 0, .blue = 0});
+
     xTaskCreate(led_strip_task, "led_strip_task", 4096, NULL, tskIDLE_PRIORITY + 1, NULL);
 
     ESP_LOGI(TAG, "LED strip initialized");