1 files changed, 6 insertions, 0 deletions

diff --git a/firmware/usbstack/usb_class_driver.h b/firmware/usbstack/usb_class_driver.h
index 22b1c6888c..b51eb3e93f 100644
--- a/firmware/usbstack/usb_class_driver.h
+++ b/firmware/usbstack/usb_class_driver.h
@@ -85,4 +85,10 @@ struct usb_class_driver {
 #endif
 };
 
+#define PACK_DESCRIPTOR(dest, descriptor) \
+    do { \
+        memcpy(dest, &(descriptor), sizeof(descriptor)); \
+        dest += sizeof(descriptor); \
+    } while (0)
+
 #endif