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/* libusb-utils.c
*
* (c) 2014, 2015, 2018, 2022 Markus Heinz
*
* This software is licensed under the terms of the GPL.
* For details see file COPYING.
*/
#ifndef LIBUSB_UTILS_H
#define LIBUSB_UTILS_H
#include "config.h"
#include <libusb.h>
/* Return types */
#define USB_SUCCESS 1
#define USB_FAILURE 0
/* Timeout for data transfers in milliseconds */
#define USB_TIMEOUT 3000
typedef struct usb_printer {
libusb_device *device;
libusb_device_handle *handle;
uint8_t read_endp;
uint8_t write_endp;
uint8_t interface;
uint8_t altsetting;
uint8_t configuration;
} usb_printer;
int init_usb();
void shutdown_usb();
usb_printer *find_printer(int instance);
usb_printer *check_for_printer(libusb_device_handle *handle);
int open_device_handle(usb_printer *printer);
int release_device_handle(usb_printer *printer);
int get_usb_device_id(usb_printer *printer, char *buffer, size_t bufsize);
int bulk_transfer(libusb_device_handle *handle, uint8_t endp, char *buffer,
size_t bufsize, int *transfered);
#endif
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