1 files changed, 4 insertions, 1 deletions
diff --git a/stm/usb.h b/stm/usb.h
index 1f7fa18096..a0fb153240 100644
--- a/stm/usb.h
+++ b/stm/usb.h
@@ -4,7 +4,10 @@
 #define VCP_CHAR_CTRL_C (3)
 #define VCP_CHAR_CTRL_D (4)
 
-void pyb_usb_dev_init(void);
+#define PYB_USB_DEV_VCP_MSC (0)
+#define PYB_USB_DEV_HID (1)
+
+void pyb_usb_dev_init(int usb_dev_type);
 bool usb_vcp_is_enabled(void);
 bool usb_vcp_is_connected(void);
 void usb_vcp_set_interrupt_char(int c);