pn533_usb.c

Go to the documentation of this file.
00001 /*-
00002  * Public platform independent Near Field Communication (NFC) library
00003  * 
00004  * Copyright (C) 2009, Roel Verdult
00005  * 
00006  * This program is free software: you can redistribute it and/or modify it
00007  * under the terms of the GNU Lesser General Public License as published by the
00008  * Free Software Foundation, either version 3 of the License, or (at your
00009  * option) any later version.
00010  * 
00011  * This program is distributed in the hope that it will be useful, but WITHOUT
00012  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00013  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
00014  * more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public License
00017  * along with this program.  If not, see <http://www.gnu.org/licenses/>
00018  */
00019 
00025 /*
00026 Thanks to d18c7db and Okko for example code
00027 */
00028 
00029 #ifdef HAVE_CONFIG_H
00030   #include "config.h"
00031 #endif // HAVE_CONFIG_H
00032 
00033 #include <stdlib.h>
00034 
00035 #include "../drivers.h"
00036 #include <nfc/nfc-messages.h>
00037 
00038 nfc_device_desc_t * pn533_usb_pick_device (void)
00039 {
00040   nfc_device_desc_t *pndd;
00041 
00042   if ((pndd = malloc (sizeof (*pndd)))) {
00043     size_t szN;
00044 
00045     if (!pn533_usb_list_devices (pndd, 1, &szN)) {
00046       DBG("%s", "pn533_usb_list_devices failed");
00047       return NULL;
00048     }
00049 
00050     if (szN == 0) {
00051       DBG("%s", "No device found");
00052       return NULL;
00053     }
00054   }
00055 
00056   return pndd;
00057 }
00058 
00059 bool pn533_usb_list_devices(nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *pszDeviceFound)
00060 {
00061   // array of {vendor,product} pairs for USB devices
00062   usb_candidate_t candidates[]= {{0x04CC,0x2533},{0x04E6,0x5591}};
00063 
00064   return pn53x_usb_list_devices(&pnddDevices[0], szDevices, pszDeviceFound, &candidates[0], sizeof(candidates) / sizeof(usb_candidate_t),PN533_USB_DRIVER_NAME);
00065 }
00066 
00067 nfc_device_t* pn533_usb_connect(const nfc_device_desc_t* pndd)
00068 {
00069   return pn53x_usb_connect(pndd, pndd->acDevice, NC_PN533);
00070 }

Generated on 4 Sep 2010 for libnfc by  doxygen 1.6.1