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-rw-r--r--include/libopencm3/usb/usbd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/libopencm3/usb/usbd.h b/include/libopencm3/usb/usbd.h
index c73de07..2340fb0 100644
--- a/include/libopencm3/usb/usbd.h
+++ b/include/libopencm3/usb/usbd.h
@@ -41,6 +41,7 @@ extern void usbd_set_control_buffer_size(u16 size);
extern void usbd_register_reset_callback(void (*callback)(void));
extern void usbd_register_suspend_callback(void (*callback)(void));
extern void usbd_register_resume_callback(void (*callback)(void));
+extern void usbd_register_sof_callback(void (*callback)(void));
typedef int (*usbd_control_callback)(struct usb_setup_data *req, u8 **buf,
u16 *len, void (**complete)(struct usb_setup_data *req));