#include <stdio.h>
#include <string.h>
#include <usb.h>
#include <errno.h>

#define VENDOR_ID 0x1130
#define PRODUCT_ID 0x660c

struct usb_device *
find_usb_device_by_id(struct usb_bus *busses,
		      int vendor, int product)
{
  struct usb_bus *bus;
  struct usb_device *dev;  

  for (bus = busses; bus; bus = bus -> next) {
    for (dev = bus -> devices; dev; dev = dev -> next) {
      if (dev->descriptor.idVendor == vendor &&
	  dev->descriptor.idProduct == product)
	return dev;
    }
  }
  return NULL;
}

int main()
{
  struct usb_bus *busses, *bus;
  struct usb_device *dev;  

  usb_dev_handle *handle;
  int timeout;

  usb_set_debug(0);
  usb_init();
  usb_find_busses();
  usb_find_devices();
  busses = usb_get_busses();

  if (!(dev = find_usb_device_by_id(busses, VENDOR_ID, PRODUCT_ID))) {
    fprintf(stderr, "TEMPer device not found\n");
    exit(EXIT_FAILURE);
  }

  printf("TEMPer found, device %d\n", dev->devnum);

  exit(EXIT_SUCCESS);
}