diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index 4a11843..6a15ab5 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -70,14 +70,16 @@ void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
 void vApplicationStackOverflowHook(xTaskHandle xTask, char *pcTaskName);
 
 /* USER CODE BEGIN 4 */
+void StackOverflowHook(TaskHandle_t xTask, char *pcTaskName);
 void vApplicationStackOverflowHook(xTaskHandle xTask, char *pcTaskName)
 {
-   void StackOverflowHook(TaskHandle_t xTask, char *pcTaskName);
    StackOverflowHook(xTask, pcTaskName);
    /* Run time stack overflow checking is performed if
    configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook function is
    called if a stack overflow is detected. */
 }
+void Drv_InterfaceInit(void);
+void MyTask_Init(void);
 /* USER CODE END 4 */
 
 /**
@@ -111,10 +113,8 @@ void MX_FREERTOS_Init(void) {
   defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
 
   /* USER CODE BEGIN RTOS_THREADS */
-  /* add threads, ... */
-  void GF_Init(void);
-  GF_Init();
-  void MyTask_Init(void);
+  /* add threads, ... */  
+  Drv_InterfaceInit();
   MyTask_Init();
   /* USER CODE END RTOS_THREADS */
 
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 1d94dbe..9980fe1 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -64,7 +64,7 @@ void SystemClock_Config(void);
 static void MPU_Config(void);
 void MX_FREERTOS_Init(void);
 /* USER CODE BEGIN PFP */
-
+void Myprint_Init(void);
 /* USER CODE END PFP */
 
 /* Private user code ---------------------------------------------------------*/
@@ -132,7 +132,6 @@ int main(void)
 #ifdef MEM_POOL_TOTAL_SIZE
   RD_INIT();
 #ifdef USE_PRINT
-  void Myprint_Init(void);
   Myprint_Init();
 #endif
 #endif
diff --git a/robot b/robot
index 12f5da6..793bf2b 160000
--- a/robot
+++ b/robot
@@ -1 +1 @@
-Subproject commit 12f5da68f1ed82939e97530168d8dae780f7b8c2
+Subproject commit 793bf2b4663df1869ca744b765597e2bf3d9b545