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#ifndef _USB_HANDLER_H
#define _USB_HANDLER_H
#include "openpcd.h"
#include <os/req_ctx.h>
#define MAX_PAYLOAD_LEN (64 - sizeof(struct openpcd_hdr))
#define USB_RET_RESPOND (1 << 8)
#define USB_RET_ERR (2 << 8)
#define USB_ERR(x) (USB_RET_RESPOND|USB_RET_ERR|(x & 0xff))
enum usbapi_err {
USB_ERR_NONE,
USB_ERR_CMD_UNKNOWN,
USB_ERR_CMD_NOT_IMPL,
};
typedef int usb_cmd_fn(struct req_ctx *rctx);
extern int usb_hdlr_register(usb_cmd_fn *hdlr, uint8_t class);
extern void usb_hdlr_unregister(uint8_t class);
extern void usb_in_process(void);
extern void usb_out_process(void);
#endif
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