76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/*-
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* Public platform independent Near Field Communication (NFC) library
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*
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* Copyright (C) 2009, Roel Verdult
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file pn531_usb.c
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* @brief Driver for PN531 chip using USB
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*/
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/*
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Thanks to d18c7db and Okko for example code
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif // HAVE_CONFIG_H
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#include <stdlib.h>
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#include "../drivers.h"
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#include <nfc/nfc-messages.h>
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nfc_device_desc_t *
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pn531_usb_pick_device (void)
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{
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nfc_device_desc_t *pndd;
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if ((pndd = malloc (sizeof (*pndd)))) {
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size_t szN;
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if (!pn531_usb_list_devices (pndd, 1, &szN)) {
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DBG ("%s", "pn531_usb_list_devices failed");
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return NULL;
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}
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if (szN == 0) {
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DBG ("%s", "No device found");
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return NULL;
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}
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}
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return pndd;
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}
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bool
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pn531_usb_list_devices (nfc_device_desc_t pnddDevices[], size_t szDevices, size_t * pszDeviceFound)
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{
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// array of {vendor,product} pairs for USB devices
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usb_candidate_t candidates[] = { {0x04CC, 0x0531}
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, {0x054c, 0x0193}
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};
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return pn53x_usb_list_devices (&pnddDevices[0], szDevices, pszDeviceFound, &candidates[0],
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sizeof (candidates) / sizeof (usb_candidate_t), PN531_USB_DRIVER_NAME);
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}
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nfc_device_t *
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pn531_usb_connect (const nfc_device_desc_t * pndd)
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{
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return pn53x_usb_connect (pndd, pndd->acDevice, NC_PN531);
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}
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