diff --git a/firmware/application/Makefile b/firmware/application/Makefile
index c0dc11e..40f5b84 100644
--- a/firmware/application/Makefile
+++ b/firmware/application/Makefile
@@ -15,7 +15,7 @@ $(OUTPUT_DIRECTORY)/application.out: \
 CHAMELEON_ULTRA := ultra
 CHAMELEON_LITE  := lite
 # What device is it?
-CURRENT_DEVICE_TYPE := ${CHAMELEON_LITE}
+CURRENT_DEVICE_TYPE := ${CHAMELEON_ULTRA}
 
 
 # Source files common to all targets
@@ -26,6 +26,7 @@ SRC_FILES += \
   $(PROJ_DIR)/ble_main.c \
   $(PROJ_DIR)/rfid_main.c \
   $(PROJ_DIR)/usb_main.c \
+  $(PROJ_DIR)/rgb_marquee.c \
   $(PROJ_DIR)/bsp/bsp_delay.c \
   $(PROJ_DIR)/bsp/bsp_time.c \
   $(PROJ_DIR)/rfid/crc_utils.c \
diff --git a/firmware/application/src/app_main.c b/firmware/application/src/app_main.c
index 3537722..c0591b4 100644
--- a/firmware/application/src/app_main.c
+++ b/firmware/application/src/app_main.c
@@ -33,6 +33,8 @@ NRF_LOG_MODULE_REGISTER();
 #include "syssleep.h"
 #include "tag_emulation.h"
 #include "usb_main.h"
+#include "rgb_marquee.h"
+
 
 // 定义软定时器
 APP_TIMER_DEF(m_button_check_timer); // 用于按钮防抖的定时器
@@ -207,6 +209,20 @@ static void system_off_enter(void) {
     ret = sd_power_ram_power_set(8, ram8_retention);
     APP_ERROR_CHECK(ret);
 
+
+    // 关机动画
+    uint8_t slot = tag_emulation_get_slot();
+    for (uint8_t i = 0; i < RGB_LIST_NUM; i++) {
+        nrf_gpio_pin_clear(hw_get_led_array()[i]);
+    }
+    uint8_t dir = slot > 3 ? 1 : 0;
+    // TODO 实现从指定卡槽的位置跑到头的灯效
+    ledblink4(0,dir,7,99,75);
+    ledblink4(0,!dir,7,75,50);
+    ledblink4(0,dir,7,50,25);
+    ledblink4(0,!dir,7,25,0);
+
+
     // 需要配置为浮空模拟输入且不上下拉的IO
     uint32_t gpio_cfg_default_nopull[] = {
 #if defined(PROJECT_CHAMELEON_ULTRA)
@@ -331,6 +347,7 @@ static void check_wakeup_src(void) {
 
 /**@brief button press event process
  */
+extern bool g_usb_led_marquee_enable;
 static void button_press_process(void) {
     // 确保AB按钮其中一个发生了点击事件
     if (m_is_read_btn_press || m_is_write_btn_press) {
@@ -351,6 +368,8 @@ static void button_press_process(void) {
         // 仅在新卡槽切换有效的情况下更新状态
         if (slot_new != slot_now) {
             tag_emulation_change_slot(slot_new, true); // 告诉模拟卡模块我们需要切换卡槽
+            g_usb_led_marquee_enable = false;
+            ledblink3(slot_now, 0, slot_new, 0);       // 灯效
             light_up_by_slot();                        // 切换了卡槽，我们需要重新亮灯
             set_slot_light_color(0);                   // 然后重新切换灯的颜色
         }
@@ -364,7 +383,6 @@ static void button_press_process(void) {
  */
 int main(void) {
     hw_connect_init();        // 记得先把引脚初始化一下
-
     log_init();               // 日志初始化
     gpio_te_init();           // 初始化GPIO矩阵库
     app_timers_init();        // 初始化软定时器
@@ -395,6 +413,9 @@ int main(void) {
     while (1) {
         // Button event process
         button_press_process();
+
+        ledblink1(0, 0);
+        
         // Data pack process
         data_frame_process();
         // Log print process
diff --git a/firmware/application/src/rgb_marquee.c b/firmware/application/src/rgb_marquee.c
new file mode 100644
index 0000000..c4606e1
--- /dev/null
+++ b/firmware/application/src/rgb_marquee.c
@@ -0,0 +1,340 @@
+#include "math.h"
+#include "nrf_gpio.h"
+#include "hw_connect.h"
+#include "bsp_delay.h"
+#include "rgb_marquee.h"
+#include "bsp_time.h"
+
+
+#define PWM_MAX 1000 // PWM 最大值
+#define LIGHT_LEVEL_MAX 99 // 亮度级别最大值
+static nrf_drv_pwm_t pwm0_ins = NRF_DRV_PWM_INSTANCE(1);
+nrf_pwm_values_individual_t pwm_sequ_val;//独立模式下的PWM控制4通道的占空比
+nrf_pwm_sequence_t const seq = //配置pwm输出用的结构体
+{
+	.values.p_individual = &pwm_sequ_val,
+	.length          = 4,
+	.repeats         = 0,
+	.end_delay       = 0
+};
+nrf_drv_pwm_config_t pwm_config = //PWM配置结构体
+{
+	.irq_priority = APP_IRQ_PRIORITY_LOWEST,
+	.base_clock = NRF_PWM_CLK_1MHz,
+	.count_mode = NRF_PWM_MODE_UP,
+	.top_value = PWM_MAX,
+	.load_mode = NRF_PWM_LOAD_INDIVIDUAL,//4个通道用四个值
+	.step_mode = NRF_PWM_STEP_AUTO
+};
+static autotimer *timer;
+
+
+void pwmout_init(void){
+    timer = bsp_obtain_timer(0);
+	nrf_drv_pwm_init(&pwm0_ins, &pwm_config, NULL);
+}
+
+void pwmout_uninit(void) {
+    nrfx_pwm_stop(&pwm0_ins,1);
+    nrfx_pwm_uninit(&pwm0_ins);
+    bsp_return_timer(timer);
+}
+
+// 亮度转PWM值
+uint16_t get_pwmduty(uint8_t light_level){
+    return PWM_MAX-(PWM_MAX*pow(((double)light_level/LIGHT_LEVEL_MAX),2.2));
+}
+
+//4灯同亮度水平移动循环（不返回）
+//COLOR 0-R,1-G,2-B
+extern bool g_usb_connected;
+extern bool g_usb_port_opened;
+extern bool g_usb_led_marquee_enable;
+extern void light_up_by_slot(void);
+void ledblink1(uint8_t color, uint8_t dir){
+	static uint8_t startled = 0;
+	static uint8_t setled = 0;
+	uint32_t* led_pins_arr;
+    static bool is_uninited = true;
+    static bool wait_next = false;
+
+	//处理方向
+	if(dir == 0){
+		led_pins_arr = hw_get_led_array();
+	} else{
+		led_pins_arr = hw_get_led_reversal_array();
+	}
+
+    if (g_usb_connected && !g_usb_port_opened && g_usb_led_marquee_enable) {
+        if (is_uninited) {
+            //调整颜色
+            set_slot_light_color(color);
+            pwm_sequ_val.channel_0 = 1;
+            pwm_sequ_val.channel_1 = 1;
+            pwm_sequ_val.channel_2 = 1;
+            pwm_sequ_val.channel_3 = 1;
+            pwmout_init();
+            is_uninited = false;
+            wait_next = false;
+            bsp_set_timer(timer, 0);
+        }
+
+        if (wait_next) {
+            if (!(NO_TIMEOUT_1MS(timer, 80))) {
+                wait_next = false;
+            }
+        } else {
+            setled = startled;
+            for(uint8_t i=0;i<4;i++){
+                pwm_config.output_pins[i] = led_pins_arr[setled];
+                setled++;
+                if(setled>7)setled=0;
+            }
+            startled++;
+            if(startled>7)startled = 0;
+            nrfx_pwm_uninit(&pwm0_ins);
+            nrf_drv_pwm_init(&pwm0_ins, &pwm_config, NULL);
+            nrf_drv_pwm_simple_playback(&pwm0_ins, &seq, 1,NRF_DRV_PWM_FLAG_LOOP);
+
+            wait_next = true;
+            bsp_set_timer(timer, 0);
+        }
+
+        
+    } else {
+        if (!is_uninited) {
+            pwmout_uninit();
+            light_up_by_slot();
+        }
+        is_uninited = true;
+        startled = 0;
+        setled = 0;
+        wait_next = false;
+    }
+}
+
+//4灯拖尾水平移动循环（不返回），包含尾部消失和头部缓入
+//dir 0-从1卡槽到8卡槽，1-从8卡槽到1卡槽 (方向，结束点由end参数决定)
+//end 要扫描的灯数量，和方向一起决定最终动画区域
+void ledblink2(uint8_t color,uint8_t dir, uint8_t end){
+	uint8_t startled = 0;
+	uint8_t setled = 0;
+	uint8_t leds2turnon = 0;
+	uint8_t i = 0;
+	uint32_t * led_pins_arr;
+	//处理方向
+	if(dir == 0){
+		led_pins_arr = hw_get_led_array();
+	}
+	else{
+		led_pins_arr = hw_get_led_reversal_array();
+	}
+	
+	//调整颜色
+	set_slot_light_color(color);
+	pwm_sequ_val.channel_3 = 1; //最亮的
+	pwm_sequ_val.channel_2 = 600;
+	pwm_sequ_val.channel_1 = 880;
+	pwm_sequ_val.channel_0 = 980;//最暗的
+	
+    pwmout_init();
+	while(1) {
+		//关闭所有通道
+		pwm_config.output_pins[0] = NRF_DRV_PWM_PIN_NOT_USED;
+		pwm_config.output_pins[1] = NRF_DRV_PWM_PIN_NOT_USED;
+		pwm_config.output_pins[2] = NRF_DRV_PWM_PIN_NOT_USED;
+		pwm_config.output_pins[3] = NRF_DRV_PWM_PIN_NOT_USED;
+		
+		setled = startled;
+		if(setled<3){//正向期间，0，1，2的时候只能点亮前几个led
+			//首先确定能点亮几个灯
+			leds2turnon = setled+1;//1，2，3
+			//然后设置pwm输出通道
+			for(i=0;i<leds2turnon;i++){
+				pwm_config.output_pins[3-i] = led_pins_arr[setled-i];
+			}	
+		}else if (setled<=7){//正向期间，大于4小于8的时候能点亮4个led
+			//设置pwm输出通道
+			for(i=0;i<4;i++){
+				pwm_config.output_pins[3-i] = led_pins_arr[setled];
+				setled--;
+			}
+		}else if (setled>7&&setled<=10){//正向期间，8.9.10的时候只能点亮后几个led
+			//首先确定能点亮几个灯
+			leds2turnon = 11-setled;
+			//然后设置pwm输出通道
+			for(i=0;i<leds2turnon;i++){
+				pwm_config.output_pins[i] = led_pins_arr[setled-3+i];
+			}	
+			
+		}else{//正向期间，达到11
+			//什么都不干
+		}
+		//处理停止条件
+		if(startled>=end){
+			//计算需要隐藏几个灯
+			leds2turnon = startled-end;
+			//把超出去的都隐藏了
+			for(i=0;i<leds2turnon;i++){
+				pwm_config.output_pins[3-i] = NRF_DRV_PWM_PIN_NOT_USED;
+			}
+			//重新设置指定位置是最亮的
+			if(end <= 7){
+				pwm_config.output_pins[3] = led_pins_arr[end];
+			}
+			
+		}
+		nrfx_pwm_uninit(&pwm0_ins);
+		nrf_drv_pwm_init(&pwm0_ins, &pwm_config, NULL);
+		nrf_drv_pwm_simple_playback(&pwm0_ins, &seq, 1,NRF_DRV_PWM_FLAG_LOOP);
+		bsp_delay_ms(40);
+		startled++;
+		if(startled-end>=4)break;
+		if(startled>11)break;
+	}
+    pwmout_uninit();
+}
+
+//切换卡槽动画
+//led_up 要点亮的led
+//color_led_up 要点亮的led的颜色 0-R,1-G,2-B
+//led_down 要熄灭的led
+//color_led_down 要熄灭的led的颜色 0-R,1-G,2-B
+volatile bool callback_waiting = 0;
+static void ledblink3_pwm_callback(nrfx_pwm_evt_type_t event_type){
+	if (event_type == NRF_DRV_PWM_EVT_FINISHED) {
+		callback_waiting = 1;
+	}
+}
+void ledblink3(uint8_t led_down,uint8_t color_led_up,uint8_t led_up,uint8_t color_led_down){
+	uint16_t light_level= 99;//led亮度值
+    uint32_t* led_pins = hw_get_led_array();
+	//先处理要熄灭的
+	pwm_config.output_pins[0] = led_pins[led_down];
+	pwm_config.output_pins[1] = NRF_DRV_PWM_PIN_NOT_USED;
+	pwm_config.output_pins[2] = NRF_DRV_PWM_PIN_NOT_USED;
+	pwm_config.output_pins[3] = NRF_DRV_PWM_PIN_NOT_USED;
+
+    pwmout_init();
+	while(light_level > 0){
+		//处理亮度
+		pwm_sequ_val.channel_0 = get_pwmduty(light_level);
+	
+		nrfx_pwm_uninit(&pwm0_ins);	//关闭pwm输出
+		
+		nrf_gpio_pin_clear(led_pins[led_up]);
+		
+		set_slot_light_color(color_led_down);
+		
+		nrf_drv_pwm_init(&pwm0_ins, &pwm_config, ledblink3_pwm_callback);
+		nrf_drv_pwm_simple_playback(&pwm0_ins, &seq, 1,NRF_DRV_PWM_FLAG_LOOP);
+		
+		while(callback_waiting == 0);//等待pwm模块输出完成
+		bsp_delay_us(1234);
+		callback_waiting = 0;
+		light_level --;
+	}
+	
+	//处理要点亮的
+	pwm_config.output_pins[0] = led_pins[led_up];
+	pwm_config.output_pins[1] = NRF_DRV_PWM_PIN_NOT_USED;
+	pwm_config.output_pins[2] = NRF_DRV_PWM_PIN_NOT_USED;
+	pwm_config.output_pins[3] = NRF_DRV_PWM_PIN_NOT_USED;
+	
+	while(light_level < 99){
+		//处理亮度
+		pwm_sequ_val.channel_0 = get_pwmduty(light_level);
+	
+		nrfx_pwm_uninit(&pwm0_ins);	//关闭pwm输出
+		
+		nrf_gpio_pin_clear(led_pins[led_down]);
+		
+		set_slot_light_color(color_led_up);
+			
+		nrf_drv_pwm_init(&pwm0_ins, &pwm_config, ledblink3_pwm_callback);
+		nrf_drv_pwm_simple_playback(&pwm0_ins, &seq, 1,NRF_DRV_PWM_FLAG_LOOP);
+		
+		while(callback_waiting == 0);//等待pwm模块输出完成
+		bsp_delay_us(1234);
+		callback_waiting = 0;
+		light_level ++;
+	}
+    pwmout_uninit();
+}
+
+//4灯拖尾水平移动循环（不返回），不包含尾部消失但是包含头部缓入（用于弹球类型动画）
+//dir 0-从1卡槽到8卡槽，1-从8卡槽到1卡槽 (方向，结束点由end参数决定)
+//end 要扫描的灯数量，和方向一起决定最终动画区域
+//start_light stop_light 0-99 表示渐变亮度
+void ledblink4(uint8_t color,uint8_t dir, uint8_t end,uint8_t start_light,uint8_t stop_light){
+	uint8_t startled = 0;
+	uint8_t setled = 0;
+	uint8_t leds2turnon = 0;
+	uint8_t i = 0;
+	uint32_t * led_pins_arr;
+	volatile double light_cnd;
+	//处理方向
+	if(dir == 0){
+		led_pins_arr = hw_get_led_array();
+	}
+	else{
+		led_pins_arr = hw_get_led_reversal_array();
+	}
+	
+	//调整颜色
+	set_slot_light_color(color);
+    pwmout_init();
+	while(1) {
+		//设置亮度
+		//当前亮度系数
+		//start经过end次数达到stop
+		light_cnd = (((double)stop_light-(double)start_light)/end)*startled+start_light;
+		pwm_sequ_val.channel_3 = get_pwmduty((uint8_t)(0.99*light_cnd));//1; //最亮的
+		pwm_sequ_val.channel_2 = get_pwmduty((uint8_t)(0.60*light_cnd));//600;
+		pwm_sequ_val.channel_1 = get_pwmduty((uint8_t)(0.30*light_cnd));//880;
+		pwm_sequ_val.channel_0 = get_pwmduty((uint8_t)(0.01*light_cnd));//980;//最暗的
+		//关闭所有通道
+		pwm_config.output_pins[0] = NRF_DRV_PWM_PIN_NOT_USED;
+		pwm_config.output_pins[1] = NRF_DRV_PWM_PIN_NOT_USED;
+		pwm_config.output_pins[2] = NRF_DRV_PWM_PIN_NOT_USED;
+		pwm_config.output_pins[3] = NRF_DRV_PWM_PIN_NOT_USED;
+		
+		setled = startled;
+		if(setled<3){//正向期间，0，1，2的时候只能点亮前几个led
+			//首先确定能点亮几个灯
+			leds2turnon = setled+1;//1，2，3
+			//然后设置pwm输出通道
+			for(i=0;i<leds2turnon;i++){
+				pwm_config.output_pins[3-i] = led_pins_arr[setled-i];
+			}
+		}else if (setled<=7){//正向期间，大于4小于8的时候能点亮4个led
+			//设置pwm输出通道
+			for(i=0;i<4;i++){
+				pwm_config.output_pins[3-i] = led_pins_arr[setled];
+				setled--;
+			}
+		}else if (setled>7&&setled<=10){//正向期间，8.9.10的时候只能点亮后几个led
+			//首先确定能点亮几个灯
+			leds2turnon = 11-setled;
+			//然后设置pwm输出通道
+			for(i=0;i<leds2turnon;i++){
+				pwm_config.output_pins[i] = led_pins_arr[setled-3+i];
+			}	
+			
+		}else{//正向期间，达到11
+			//什么都不干
+		}
+		//处理停止条件
+		if(startled==end){
+			break;
+		}
+		nrfx_pwm_uninit(&pwm0_ins);
+		nrf_drv_pwm_init(&pwm0_ins, &pwm_config, NULL);
+		nrf_drv_pwm_simple_playback(&pwm0_ins, &seq, 1,NRF_DRV_PWM_FLAG_LOOP);
+		bsp_delay_ms(50);
+		startled++;
+		if(startled-end>=4)break;
+		if(startled>11)break;
+	}
+    pwmout_uninit();
+}
diff --git a/firmware/application/src/rgb_marquee.h b/firmware/application/src/rgb_marquee.h
new file mode 100644
index 0000000..b7689d8
--- /dev/null
+++ b/firmware/application/src/rgb_marquee.h
@@ -0,0 +1,13 @@
+#ifndef RGB_MARQUEE_H
+#define RGB_MARQUEE_H
+
+#include <stdint.h>
+#include "nrf_drv_pwm.h"
+
+
+void ledblink1(uint8_t color,uint8_t dir);
+void ledblink2(uint8_t color,uint8_t dir, uint8_t end);
+void ledblink3(uint8_t led_down,uint8_t color_led_up,uint8_t led_up,uint8_t color_led_down);
+void ledblink4(uint8_t color,uint8_t dir, uint8_t end,uint8_t start_light,uint8_t stop_light);
+
+#endif
diff --git a/firmware/application/src/sdk_config.h b/firmware/application/src/sdk_config.h
index 4fc1783..26f13c6 100644
--- a/firmware/application/src/sdk_config.h
+++ b/firmware/application/src/sdk_config.h
@@ -4981,7 +4981,7 @@
  
 
 #ifndef PWM1_ENABLED
-#define PWM1_ENABLED 0
+#define PWM1_ENABLED 1
 #endif
 
 // <q> PWM2_ENABLED  - Enable PWM2 instance
diff --git a/firmware/application/src/usb_main.c b/firmware/application/src/usb_main.c
index ccf71a2..8fa4a39 100644
--- a/firmware/application/src/usb_main.c
+++ b/firmware/application/src/usb_main.c
@@ -37,8 +37,9 @@ APP_USBD_CDC_ACM_GLOBAL_DEF(m_app_cdc_acm,
 // USB DEFINES END
 
 // USB CODE START
-static bool m_usb_connected = false;
-static bool m_usb_port_opened = false;
+volatile bool g_usb_connected = false;
+volatile bool g_usb_port_opened = false;
+volatile bool g_usb_led_marquee_enable = false;
 
 /** @brief User event handler @ref app_usbd_cdc_acm_user_ev_handler_t */
 static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const *p_inst, app_usbd_cdc_acm_user_event_t event) {
@@ -56,15 +57,14 @@ static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const *p_inst, app_usb
         ret_code_t ret = app_usbd_cdc_acm_read(&m_app_cdc_acm, cdc_data_buffer, 1);
         UNUSED_VARIABLE(ret);
         NRF_LOG_INFO("CDC ACM port opened");
-        m_usb_port_opened = true;
+        g_usb_port_opened = true;
         break;
     }
 
     case APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE:
         NRF_LOG_INFO("CDC ACM port closed");
-        m_usb_port_opened = false;
-        if (m_usb_connected) {
-        }
+        g_usb_port_opened = false;
+        g_usb_led_marquee_enable = true;
         break;
 
     case APP_USBD_CDC_ACM_USER_EVT_TX_DONE:
@@ -91,15 +91,19 @@ static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const *p_inst, app_usb
 static void usbd_user_ev_handler(app_usbd_event_type_t event) {
     switch (event) {
     case APP_USBD_EVT_DRV_SUSPEND:
+        NRF_LOG_INFO("USB SUSPEND");
         break;
 
     case APP_USBD_EVT_DRV_RESUME:
+        NRF_LOG_INFO("USB RESUME");
         break;
 
     case APP_USBD_EVT_STARTED:
+        NRF_LOG_INFO("USB STARTED");
         break;
 
     case APP_USBD_EVT_STOPPED:
+        NRF_LOG_INFO("USB STOPPED");
         app_usbd_disable();
         break;
 
@@ -109,22 +113,25 @@ static void usbd_user_ev_handler(app_usbd_event_type_t event) {
         if (!nrf_drv_usbd_is_enabled()) {
             app_usbd_enable();
         }
+        g_usb_led_marquee_enable = true;
         break;
 
     case APP_USBD_EVT_POWER_REMOVED:
         sleep_timer_start(SLEEP_DELAY_MS_USB_POWER_DISCONNECTED);
         NRF_LOG_INFO("USB power removed");
-        m_usb_connected = false;
+        g_usb_connected = false;
+        g_usb_led_marquee_enable = false;
         app_usbd_stop();
         break;
 
     case APP_USBD_EVT_POWER_READY:
         NRF_LOG_INFO("USB ready");
-        m_usb_connected = true;
+        g_usb_connected = true;
         app_usbd_start();
         break;
 
     default:
+        // NRF_LOG_INFO("Other usb event: %d", event);
         break;
     }
 }
@@ -158,7 +165,7 @@ int fputc(int ch, FILE *f){
     ch_static = ch;
 
     // must cdc is available
-    if (m_usb_port_opened && m_usb_connected) {
+    if (g_usb_port_opened && g_usb_connected) {
         // send and wait done.
         ret_code_t ret;
         do {
diff --git a/firmware/bootloader/Makefile b/firmware/bootloader/Makefile
index 227a23e..7d82760 100644
--- a/firmware/bootloader/Makefile
+++ b/firmware/bootloader/Makefile
@@ -16,7 +16,7 @@ $(OUTPUT_DIRECTORY)/bootloader.out: \
 CHAMELEON_ULTRA := ultra
 CHAMELEON_LITE  := lite
 # What device is it?
-CURRENT_DEVICE_TYPE := ${CHAMELEON_LITE}
+CURRENT_DEVICE_TYPE := ${CHAMELEON_ULTRA}
 
 
 # Source files common to all targets
diff --git a/resource/public_src/hw_connect.c b/resource/public_src/hw_connect.c
index 43f76a9..29c0fc8 100644
--- a/resource/public_src/hw_connect.c
+++ b/resource/public_src/hw_connect.c
@@ -49,10 +49,12 @@ uint32_t g_reader_power;
 
 
 uint32_t m_led_array[MAX_LED_NUM];
-#define INIT_LED_ARRAY(num, led)     \
-    if (RGB_LIST_NUM >= num) {       \
-        m_led_array[num - 1] = led;  \
-    }                                \
+uint32_t m_led_reversal_array[MAX_LED_NUM];
+#define INIT_LED_ARRAY(num, led)                        \
+    if (RGB_LIST_NUM >= num) {                          \
+        m_led_array[num - 1] = led;                     \
+        m_led_reversal_array[RGB_LIST_NUM - num] = led; \
+    }                                                   \
 
 
 uint32_t m_rgb_array[MAX_RGB_NUM];
@@ -220,6 +222,10 @@ uint32_t* hw_get_led_array(void) {
     return m_led_array;
 }
 
+uint32_t* hw_get_led_reversal_array(void) {
+    return m_led_reversal_array;
+}
+
 uint32_t* hw_get_rgb_array(void) {
     return m_rgb_array;
 }
diff --git a/resource/public_src/hw_connect.h b/resource/public_src/hw_connect.h
index f73fea1..00af634 100644
--- a/resource/public_src/hw_connect.h
+++ b/resource/public_src/hw_connect.h
@@ -7,7 +7,6 @@
 #include "nrf_lpcomp.h"
 #include "device_info.h"
 
-
 typedef enum {
     CHAMELEON_ULTRA,
     CHAMELEON_LITE,
@@ -92,6 +91,7 @@ extern uint32_t g_reader_power;
 void hw_connect_init(void);
 void init_leds(void);
 uint32_t* hw_get_led_array(void);
+uint32_t* hw_get_led_reversal_array(void);
 uint32_t* hw_get_rgb_array(void);
 chameleon_device_type_t hw_get_device_type(void);
 uint8_t hw_get_version_code(void);