cmd: controller mode switch

src/config.cpp

@@ -69,6 +69,10 @@ void config_valid() {
         body->haptics_buffer_length = 48;
         printf("[Config] haptics_buffer_length is invalid\n");
     }
+    if (body->controller_mode > 1) {
+        body->controller_mode = 0;
+        printf("[Config] controller_mode is invalid\n");
+    }
 }
 
 void config_load() {