#ifndef __USB_GADGET_DEMO_MSG_H__ #define __USB_GADGET_DEMO_MSG_H__ struct usb_msg_dev { uint8_t max_lun; uint8_t cbw[32]; }; extern struct usb_msg_dev g_msg_dev; udc_errno_t usb_msg_callback(uint8_t ep_addr, udc_callback_event_t event, void *data, uint32_t len); void usb_msg_desc_init(void); #endif /* __USB_GADGET_DEMO_MSG_H__ */