usb_helpers.h

#ifndef USB_HELPERS_H
#define USB_HELPERS_H

#include <libusb.h>
void ncusb_print_libusb_transfer(struct libusb_transfer *p_t);
int ncusb_match_string(libusb_device_handle *dev, int index, const char* string);

struct ncusb_devwatch_data { 
        int (*device_found_func)(struct libusb_device_handle *, void *arg);
        void *arg;
        int vid;
        int pid;
        char *vendor;
        char *product;
        char *serial;
};

int ncusb_watch_for_device(libusb_context *ctx,
                           struct ncusb_devwatch_data* dwatch);

struct libusb_device_handle *ncusb_try_device(struct libusb_context *ctx,
                                              libusb_device *device,
                                              int vid, int pid,
                                              const char *vendor_name,
                                              const char *product_name,
                                              const char *serial);

struct libusb_device_handle *ncusb_find_and_open(struct libusb_context *ctx, 
                                          int vendor, int product, 
                                          const char *vendor_name, 
                                          const char *product_name, 
                                          const char *serial);

int ncusb_watch_for_device(libusb_context *ctx,
                           struct ncusb_devwatch_data* dwatch);
void ncusb_start_descriptor_watching(struct aura_node *node, libusb_context *ctx);

#endif