examples/usbmon_c/test.c

   1 /**
   2  * Copyright (C) 2009 Ubixum, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17  **/
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <unistd.h>
  21 #include <string.h>
  22
  23 #include <libusb-1.0/libusb.h>
  24
  25
  26 int main(int argc __attribute__((unused)),
  27          char **argv __attribute__((unused)))
  28 {
  29         int transferred, rv, i, ret = 1;;
  30         libusb_device_handle *hndl;
  31         libusb_context *ctx;
  32         unsigned char buf[512];
  33
  34
  35         libusb_init(&ctx);
  36
  37         hndl = libusb_open_device_with_vid_pid(ctx, 0x4b4, 0x8613);
  38
  39         if (!hndl) {
  40                 fprintf(stderr, "failed to open device\n");
  41                 goto out;
  42         }
  43
  44         libusb_claim_interface(hndl, 0);
  45
  46         libusb_set_interface_alt_setting(hndl, 0, 0);
  47
  48 for(;;) {
  49         for (i = 0; i < (int)sizeof(buf); i++)
  50                 buf[i] = i;
  51
  52         printf("OUT transfer to device\n");
  53         transferred = 0;
  54         rv = libusb_bulk_transfer(hndl, 0x02, bufl, 32, &transferred, 500);
  55         if(rv) {
  56                 fprintf(stderr, "OUT Transfer failed: %d (%d transferred)\n", rv, transferred);
  57 //              goto out;
  58         }
  59
  60         rv = libusb_bulk_transfer(hndl, 0x02, buf, 0, &transferred, 500);
  61         if(rv) {
  62                 fprintf(stderr, "OUT0 Transfer failed: %d (%d transferred)\n", rv, transferred);
  63 //              goto out;
  64         }
  65
  66         printf("IN transfer to device\n");
  67
  68         memset(buf, 0, sizeof(buf));
  69         transferred = 0;
  70
  71         rv=libusb_bulk_transfer(hndl, 0x86, (unsigned char*)buf ,sizeof(buf), &transferred, 500);
  72         if(rv) {
  73                 fprintf(stderr, "IN Transfer failed: %d (%d transferred)\n", rv, transferred);
  74 //                      goto out;
  75         } else {
  76                         printf("received %d bytes:\n", transferred);
  77
  78                         for (i = 0; i < transferred; i++)
  79                                 printf ("%02x ", buf[i]);
  80                         printf("\n");
  81         }
  82         sleep(1);
  83 }
  84         ret = 0;
  85 out:
  86         libusb_close(hndl);
  87         return ret;
  88 }