Fix commands exception when __USE_SERIAL_CONSOLE__ disabled

main.c

@@ -2659,6 +2659,10 @@ static bool shell_check_connect(void){
 
 // Init shell I/O connection over USB
 static void shell_init_connection(void){
+/*
+ * Init shell thread object (need for switch threads)
+ */
+  osalThreadQueueObjectInit(&shell_thread);
 /*
  * Initializes and start serial-over-USB CDC driver SDU1, connected to USBD1
  */