add mouse wheel function.

1 files changed, 3 insertions, 0 deletions

diff --git a/usb.h b/usb.h
index c1347f10d..cb2f6a223 100644
--- a/usb.h
+++ b/usb.h
@@ -71,6 +71,9 @@ uint8_t usb_configured(void);		// is the USB port configured
 #define HID_SET_REPORT                  9
 #define HID_SET_IDLE                    10
 #define HID_SET_PROTOCOL                11
+#define HID_REPORT_INPUT                1
+#define HID_REPORT_OUTPUT               2
+#define HID_REPORT_FEATURE              3
 // CDC (communication class device)
 #define CDC_SET_LINE_CODING             0x20
 #define CDC_GET_LINE_CODING             0x21