66 lines
1.9 KiB
C
66 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) 2011, Romuald Conty
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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 nfc-internal.c
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* @brief Provide some useful internal functions
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*/
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#include <nfc/nfc.h>
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void
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prepare_initiator_data (const nfc_modulation nm, uint8_t **ppbtInitiatorData, size_t * pszInitiatorData)
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{
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switch (nm.nmt) {
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case NMT_ISO14443B: {
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// Application Family Identifier (AFI) must equals 0x00 in order to wakeup all ISO14443-B PICCs (see ISO/IEC 14443-3)
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*ppbtInitiatorData = (uint8_t *) "\x00";
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*pszInitiatorData = 1;
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}
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break;
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case NMT_ISO14443BI: {
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// APGEN
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*ppbtInitiatorData = (uint8_t *) "\x01\x0b\x3f\x80";
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*pszInitiatorData = 4;
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}
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break;
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case NMT_ISO14443B2SR: {
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// Get_UID
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*ppbtInitiatorData = (uint8_t *) "\x0b";
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*pszInitiatorData = 1;
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}
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break;
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case NMT_ISO14443B2CT: {
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// SELECT-ALL
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*ppbtInitiatorData = (uint8_t *) "\x9F\xFF\xFF";
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*pszInitiatorData = 3;
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}
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break;
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case NMT_FELICA: {
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// polling payload must be present (see ISO/IEC 18092 11.2.2.5)
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*ppbtInitiatorData = (uint8_t *) "\x00\xff\xff\x01\x00";
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*pszInitiatorData = 5;
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}
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break;
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default:
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*ppbtInitiatorData = NULL;
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*pszInitiatorData = 0;
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break;
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}
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}
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