libnfc
1.4.2
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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 * 00039 pn531_usb_pick_device (void) 00040 { 00041 nfc_device_desc_t *pndd; 00042 00043 if ((pndd = malloc (sizeof (*pndd)))) { 00044 size_t szN; 00045 00046 if (!pn531_usb_list_devices (pndd, 1, &szN)) { 00047 DBG ("%s", "pn531_usb_list_devices failed"); 00048 free (pndd); 00049 return NULL; 00050 } 00051 00052 if (szN == 0) { 00053 DBG ("%s", "No device found"); 00054 free (pndd); 00055 return NULL; 00056 } 00057 } 00058 return pndd; 00059 } 00060 00061 bool 00062 pn531_usb_list_devices (nfc_device_desc_t pnddDevices[], size_t szDevices, size_t * pszDeviceFound) 00063 { 00064 // array of {vendor,product} pairs for USB devices 00065 usb_candidate_t candidates[] = { {0x04CC, 0x0531} 00066 , {0x054c, 0x0193} 00067 }; 00068 00069 return pn53x_usb_list_devices (&pnddDevices[0], szDevices, pszDeviceFound, &candidates[0], 00070 sizeof (candidates) / sizeof (usb_candidate_t), PN531_USB_DRIVER_NAME); 00071 } 00072 00073 nfc_device_t * 00074 pn531_usb_connect (const nfc_device_desc_t * pndd) 00075 { 00076 return pn53x_usb_connect (pndd, pndd->acDevice, NC_PN531); 00077 }