diff --git a/Application/Tasks/CMakeLists.txt b/Application/Tasks/CMakeLists.txt
index 18c8323..884828d 100644
--- a/Application/Tasks/CMakeLists.txt
+++ b/Application/Tasks/CMakeLists.txt
@@ -13,6 +13,7 @@ target_sources(${PROJECT_NAME}
     ${CMAKE_CURRENT_LIST_DIR}/LightTask.c
     ${CMAKE_CURRENT_LIST_DIR}/LightState.c  
     ${CMAKE_CURRENT_LIST_DIR}/Headlight_can.c  
+    ${CMAKE_CURRENT_LIST_DIR}/DisplayComm.c
     
     INTERFACE
     ${CMAKE_CURRENT_LIST_DIR}/UsbDataHandler.h
@@ -24,4 +25,4 @@ target_sources(${PROJECT_NAME}
 
 target_include_directories(${PROJECT_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
 target_link_libraries(${PROJECT_NAME} PUBLIC PROTOS CLS)
-target_link_libraries(${PROJECT_NAME} PRIVATE Revision CLS_BSP BSP ulog Vehicle ram_loader)
\ No newline at end of file
+target_link_libraries(${PROJECT_NAME} PRIVATE Revision CLS_BSP BSP ulog Vehicle ram_loader mlzr_comm TinyFrame)
\ No newline at end of file
diff --git a/Application/Tasks/CanDataTask.c b/Application/Tasks/CanDataTask.c
index b5a6467..a2c26a0 100644
--- a/Application/Tasks/CanDataTask.c
+++ b/Application/Tasks/CanDataTask.c
@@ -318,10 +318,9 @@ extern uint8_t gCLS_DEVICE_ADDRESS;
 void DataClbk_cls_device_RequestList(void* msg, uint32_t length) {
     memset(&list,0,sizeof(list));
     // add yourself
-
     CLS_Position_t position = CLS_BSP_GetPosition();
     CLS_Type_t type = CLS_BSP_GetDeviceType();
-
+    
     list.devices[list.devices_count].available = true;
     list.devices[list.devices_count].canid = GENERATE_CLS_ADDRESS(CLS_CODE_STATUS, gCLS_DEVICE_ADDRESS, CLS_CH_STA_HEATBEAT);
     list.devices[list.devices_count].device = gCLS_DEVICE_ADDRESS;
@@ -333,7 +332,21 @@ void DataClbk_cls_device_RequestList(void* msg, uint32_t length) {
     list.devices[list.devices_count].fw_version[1] = VERSION_INFO.patch;
     list.devices[list.devices_count].fw_version[2] = VERSION_INFO.minor;
     list.devices[list.devices_count].fw_version[3] = VERSION_INFO.major;
-    
+    list.devices_count++;
+
+    //add display
+    list.devices[list.devices_count].available = true;
+    list.devices[list.devices_count].canid = GENERATE_CLS_ADDRESS(CLS_CODE_STATUS, gCLS_DEVICE_ADDRESS+1, CLS_CH_STA_HEATBEAT);
+    list.devices[list.devices_count].device = gCLS_DEVICE_ADDRESS+1;
+    list.devices[list.devices_count].type = cls_device_Type_DISPLAY; // enum to uint
+    list.devices[list.devices_count].position[0] =  position.p0;
+    list.devices[list.devices_count].position[1] =  position.p1;
+    list.devices[list.devices_count].position_count = 2;
+    list.devices[list.devices_count].fw_version[0] = 0;
+    list.devices[list.devices_count].fw_version[1] = 0;
+    list.devices[list.devices_count].fw_version[2] = 0;
+    list.devices[list.devices_count].fw_version[3] = 0;
+
     list.devices_count++;
 
     for (size_t i = 0; i < 16; i++)
diff --git a/Application/Tasks/DisplayComm.c b/Application/Tasks/DisplayComm.c
new file mode 100644
index 0000000..33012b6
--- /dev/null
+++ b/Application/Tasks/DisplayComm.c
@@ -0,0 +1,16 @@
+
+#include "main.h"
+#include "UsbDataHandler.h"
+#include "stdint.h"
+#include "mlzr_comm.h"
+#include "pb_decode.h"
+#include "display.pb.h"
+
+static cls_display_SetLayout msg_cls_display_SetLayout;
+
+
+void DataClbk_cls_display_SetLayout(void* msg, uint32_t length) {
+    DATA_CLBK_SETUP(cls_display_SetLayout);
+    uint8_t num = (uint8_t)msg_cls_display_SetLayout.layout;
+    TF_SendSimple(tf_fallback,0x0F, &num, sizeof(num));
+}
\ No newline at end of file
diff --git a/Application/Tasks/FirmwareHandler.c b/Application/Tasks/FirmwareHandler.c
index 78381fe..4509077 100644
--- a/Application/Tasks/FirmwareHandler.c
+++ b/Application/Tasks/FirmwareHandler.c
@@ -156,8 +156,13 @@ void DataClbk_cls_firmware_Done(void *msg, uint32_t length) {
 
   if(msg_cls_firmware_Done.device_id == gCLS_DEVICE_ADDRESS) {
     RamLoader_LoadApplication();
-  } else {
+  } else if (msg_cls_firmware_Done.device_id == gCLS_DEVICE_ADDRESS +1) {
+      // send fw to display
+      // todo !
 
+    } {
+
+      // send fw to slave
     FirmwareUpdateArgs args;
     args.device = msg_cls_firmware_Done.device_id;
     memcpy(args.name, msg_cls_firmware_Start.name, sizeof(args.name));
diff --git a/Application/Tasks/UsbDataHandler.c b/Application/Tasks/UsbDataHandler.c
index 2f5583b..53143ef 100644
--- a/Application/Tasks/UsbDataHandler.c
+++ b/Application/Tasks/UsbDataHandler.c
@@ -8,6 +8,7 @@
 #include <pb_decode.h>
 #include "cls_device.pb.h"
 #include "usb.pb.h"
+#include "display.pb.h"
 #include "stdbool.h"
 
 /* Declare the thread function */
@@ -67,6 +68,7 @@ union {
   cls_headlight_SaveSettings msg_cls_headlight_SaveSettings;
   cls_headlight_RequestSettings msg_cls_headlight_RequestSettings;
   cls_headlight_RequestBrightness msg_cls_headlight_RequestBrightness;
+  cls_display_SetLayout msg_cls_display_SetLayout;
 } mem_msg_decode;
 
 
@@ -129,6 +131,7 @@ message_handler_t message_handlers[] = {
     MESSAGE_HANDLER(cls_usb_PackageType_HEADLIGHT_SAVE_SETTINGS, cls_headlight_SaveSettings),
     MESSAGE_HANDLER(cls_usb_PackageType_HEADLIGHT_REQUEST_SETTINGS, cls_headlight_RequestSettings),
     MESSAGE_HANDLER(cls_usb_PackageType_HEADLIGHT_REQUEST_BRIGHTNESS, cls_headlight_RequestBrightness),
+    MESSAGE_HANDLER(cls_usb_PackageType_DISPLAY_SET_LAYOUT, cls_display_SetLayout),
 };
 
 
diff --git a/Application/Tasks/UsbDataHandler.h b/Application/Tasks/UsbDataHandler.h
index 79770c5..2be029a 100644
--- a/Application/Tasks/UsbDataHandler.h
+++ b/Application/Tasks/UsbDataHandler.h
@@ -140,6 +140,7 @@ void DataClbk_cls_headlight_Settings(void* msg, uint32_t length);
 void DataClbk_cls_headlight_SaveSettings(void* msg, uint32_t length);
 void DataClbk_cls_headlight_RequestSettings(void* msg, uint32_t length);
 void DataClbk_cls_headlight_RequestBrightness(void* msg, uint32_t length);
+void DataClbk_cls_display_SetLayout(void* msg, uint32_t length);
 
 #include "usb.pb.h"
 void USBDataResonse(void * msg, const pb_msgdesc_t *fields, cls_usb_PackageType typeid);
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ca615d..af180f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -125,6 +125,7 @@ nanopb_generate_cpp(PROTO_SRCS PROTO_HDRS RELPATH proto
     proto/light.proto
     proto/usb.proto
     proto/headlight.proto
+    proto/display.proto
 )
 add_library(PROTOS ${PROTO_SRCS} ${PROTO_HDRS})
 target_include_directories(PROTOS PUBLIC ${NANOPB_INCLUDE_DIRS} ${PROJECT_BINARY_DIR})
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 730505d..7d8db72 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -7,6 +7,7 @@ ${PROTO_SRC_DIR}/light.proto
 ${PROTO_SRC_DIR}/usb.proto
 ${PROTO_SRC_DIR}/cls_device.proto
 ${PROTO_SRC_DIR}/headlight.proto
+${PROTO_SRC_DIR}/display.proto
 )
 
 # Specify where you want to generate the python code
diff --git a/tools/display_test.py b/tools/display_test.py
new file mode 100644
index 0000000..e002b96
--- /dev/null
+++ b/tools/display_test.py
@@ -0,0 +1,41 @@
+import serial
+import struct
+from google.protobuf.message import DecodeError
+from serial.tools import list_ports
+
+from display_pb2 import SetLayout
+from usb_pb2 import PackageType
+from vcp_driver import *
+
+if __name__ == "__main__":
+        ser = setup_connection()
+        # Create a message
+        #request = GlobalBrightness()
+        #request.brightness = 100
+        # Serialize the request to a bytearray
+        #request_data = request.SerializeToString()
+
+        # Send the request
+        #send_package(PackageType.LIGHT_GLOBAL_BRIGHT, request_data, ser)
+
+
+        #request = GlobalTheme()
+        #request.theme = 1
+        #request_data = request.SerializeToString()
+        #send_package(PackageType.LIGHT_GLOBAL_THEME, request_data, ser)
+
+
+        # request = ThemeSettings()
+        # request.deviceId = 1
+        # request.theme = 1
+        # request.rgb = 0x00f000f0
+        # request.brightness = 255
+        # request.animation = 2
+        # request_data = request.SerializeToString()
+        # send_package(PackageType.LIGHT_SETTING_THEME, request_data, ser)
+
+
+        request = SetLayout()
+        request.layout = 2
+        request_data = request.SerializeToString()
+        send_package(PackageType.DISPLAY_SET_LAYOUT, request_data, ser)