add IoT led control to kevin c3

main/boards/kevin-c3/led_strip_control.h

@@ -0,0 +1,21 @@
+#ifndef LED_STRIP_CONTROL_H
+#define LED_STRIP_CONTROL_H
+
+#include "iot/thing.h"
+#include "led/circular_strip.h"
+
+using namespace iot;
+
+class LedStripControl : public Thing {
+private:
+    CircularStrip* led_strip_;
+    int brightness_level_;  // 亮度等级 (0-8)
+
+    int LevelToBrightness(int level) const;  // 将等级转换为实际亮度值
+    StripColor RGBToColor(int red, int green, int blue);
+
+public:
+    explicit LedStripControl(CircularStrip* led_strip);
+}; 
+
+#endif // LED_STRIP_CONTROL_H