update

Src/freertos.c

@@ -56,7 +56,7 @@
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
-
+#include <stdio.h>
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -159,6 +159,14 @@ void StartDefaultTask(void const * argument)
   /* USER CODE BEGIN StartDefaultTask */
   osThreadDef(mainTask, StartMainTask, osPriorityNormal, 0, 1024);
   mainTaskHandle = osThreadCreate(osThread(mainTask), NULL);
+  if (mainTaskHandle == NULL){
+    printf("create mainTaskHandle error\r\n");
+    while (1)
+    {
+      /* code */
+    }
+    
+  }
   /* Infinite loop */
   for(;;)
   {