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android / platform / external / libnfc-nci / jb-mr1-dev-plus-aosp / . / src / nfc / include / ndef_utils.h
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/******************************************************************************
*
* Copyright (C) 2010-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains definitions for some utility functions to help parse
* and build NFC Data Exchange Format (NDEF) messages
*
******************************************************************************/
#ifndef NDEF_UTILS_H
#define NDEF_UTILS_H
#include "bt_types.h"
#define NDEF_MB_MASK 0x80 /* Message Begin */
#define NDEF_ME_MASK 0x40 /* Message End */
#define NDEF_CF_MASK 0x20 /* Chunk Flag */
#define NDEF_SR_MASK 0x10 /* Short Record */
#define NDEF_IL_MASK 0x08 /* ID Length */
#define NDEF_TNF_MASK 0x07 /* Type Name Format */
/* NDEF Type Name Format */
#define NDEF_TNF_EMPTY 0 /* Empty (type/id/payload len =0) */
#define NDEF_TNF_WKT 1 /* NFC Forum well-known type/RTD */
#define NDEF_TNF_MEDIA 2 /* Media-type as defined in RFC 2046 */
#define NDEF_TNF_URI 3 /* Absolute URI as defined in RFC 3986 */
#define NDEF_TNF_EXT 4 /* NFC Forum external type/RTD */
#define NDEF_TNF_UNKNOWN 5 /* Unknown (type len =0) */
#define NDEF_TNF_UNCHANGED 6 /* Unchanged (type len =0) */
#define NDEF_TNF_RESERVED 7 /* Reserved */
/* Define the status code returned from the Validate, Parse or Build functions
*/
enum
{
NDEF_OK, /* 0 - OK */
NDEF_REC_NOT_FOUND, /* 1 - No record matching the find criteria */
NDEF_MSG_TOO_SHORT, /* 2 - Message was too short (< 3 bytes) */
NDEF_MSG_NO_MSG_BEGIN, /* 3 - No 'begin' flag at start of message */
NDEF_MSG_NO_MSG_END, /* 4 - No 'end' flag at end of message */
NDEF_MSG_EXTRA_MSG_BEGIN, /* 5 - 'begin' flag after start of message */
NDEF_MSG_UNEXPECTED_CHUNK, /* 6 - Unexpected chunk found */
NDEF_MSG_INVALID_EMPTY_REC, /* 7 - Empty record with non-zero contents */
NDEF_MSG_INVALID_CHUNK, /* 8 - Invalid chunk found */
NDEF_MSG_LENGTH_MISMATCH, /* 9 - Overall message length doesn't match */
NDEF_MSG_INSUFFICIENT_MEM /* 10 - Insuffiecient memory to add record */
};
typedef UINT8 tNDEF_STATUS;
#define HR_REC_TYPE_LEN 2 /* Handover Request Record Type */
#define HS_REC_TYPE_LEN 2 /* Handover Select Record Type */
#define HC_REC_TYPE_LEN 2 /* Handover Carrier recrod Type */
#define CR_REC_TYPE_LEN 2 /* Collision Resolution Record Type */
#define AC_REC_TYPE_LEN 2 /* Alternative Carrier Record Type */
#define ERR_REC_TYPE_LEN 3 /* Error Record Type */
#define BT_OOB_REC_TYPE_LEN 32 /* Bluetooth OOB Data Type */
#ifdef __cplusplus
extern "C" {
#endif
/* Define prefix for exporting APIs from libraries */
#ifdef NFC_DLL
#define EXPORT_NDEF_API __declspec(dllexport) /* Windows DLL export prefix */
#else
#define EXPORT_NDEF_API
#endif
/* Functions to parse a received NDEF Message
*/
/*******************************************************************************
**
** Function NDEF_MsgValidate
**
** Description This function validates an NDEF message.
**
** Returns TRUE if all OK, or FALSE if the message is invalid.
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgValidate (UINT8 *p_msg, UINT32 msg_len, BOOLEAN b_allow_chunks);
/*******************************************************************************
**
** Function NDEF_MsgGetNumRecs
**
** Description This function gets the number of records in the given NDEF
** message.
**
** Returns The record count, or 0 if the message is invalid.
**
*******************************************************************************/
EXPORT_NDEF_API extern INT32 NDEF_MsgGetNumRecs (UINT8 *p_msg);
/*******************************************************************************
**
** Function NDEF_MsgGetRecLength
**
** Description This function returns length of the current record in the given
** NDEF message.
**
** Returns Length of record
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT32 NDEF_MsgGetRecLength (UINT8 *p_cur_rec);
/*******************************************************************************
**
** Function NDEF_MsgGetNextRec
**
** Description This function gets a pointer to the next record after the
** current one.
**
** Returns Pointer to the start of the record, or NULL if no more
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetNextRec (UINT8 *p_cur_rec);
/*******************************************************************************
**
** Function NDEF_MsgGetRecByIndex
**
** Description This function gets a pointer to the record with the given
** index (0-based index) in the given NDEF message.
**
** Returns Pointer to the start of the record, or NULL
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetRecByIndex (UINT8 *p_msg, INT32 index);
/*******************************************************************************
**
** Function NDEF_MsgGetLastRecInMsg
**
** Description This function gets a pointer to the last record in the
** given NDEF message.
**
** Returns Pointer to the start of the last record, or NULL if some problem
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetLastRecInMsg (UINT8 *p_msg);
/*******************************************************************************
**
** Function NDEF_MsgGetFirstRecByType
**
** Description This function gets a pointer to the first record with the given
** record type in the given NDEF message.
**
** Returns Pointer to the start of the record, or NULL
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetFirstRecByType (UINT8 *p_msg, UINT8 tnf, UINT8 *p_type, UINT8 tlen);
/*******************************************************************************
**
** Function NDEF_MsgGetNextRecByType
**
** Description This function gets a pointer to the next record with the given
** record type in the given NDEF message.
**
** Returns Pointer to the start of the record, or NULL
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetNextRecByType (UINT8 *p_cur_rec, UINT8 tnf, UINT8 *p_type, UINT8 tlen);
/*******************************************************************************
**
** Function NDEF_MsgGetFirstRecById
**
** Description This function gets a pointer to the first record with the given
** record id in the given NDEF message.
**
** Returns Pointer to the start of the record, or NULL
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetFirstRecById (UINT8 *p_msg, UINT8 *p_id, UINT8 ilen);
/*******************************************************************************
**
** Function NDEF_MsgGetNextRecById
**
** Description This function gets a pointer to the next record with the given
** record id in the given NDEF message.
**
** Returns Pointer to the start of the record, or NULL
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_MsgGetNextRecById (UINT8 *p_cur_rec, UINT8 *p_id, UINT8 ilen);
/*******************************************************************************
**
** Function NDEF_RecGetType
**
** Description This function gets a pointer to the record type for the given NDEF record.
**
** Returns Pointer to Type (NULL if none). TNF and len are filled in.
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_RecGetType (UINT8 *p_rec, UINT8 *p_tnf, UINT8 *p_type_len);
/*******************************************************************************
**
** Function NDEF_RecGetId
**
** Description This function gets a pointer to the record id for the given NDEF record.
**
** Returns Pointer to Id (NULL if none). ID Len is filled in.
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_RecGetId (UINT8 *p_rec, UINT8 *p_id_len);
/*******************************************************************************
**
** Function NDEF_RecGetPayload
**
** Description This function gets a pointer to the payload for the given NDEF record.
**
** Returns a pointer to the payload (NULL if none). Payload len filled in.
**
*******************************************************************************/
EXPORT_NDEF_API extern UINT8 *NDEF_RecGetPayload (UINT8 *p_rec, UINT32 *p_payload_len);
/* Functions to build an NDEF Message
*/
/*******************************************************************************
**
** Function NDEF_MsgInit
**
** Description This function initializes an NDEF message.
**
** Returns void
** *p_cur_size is initialized to 0
**
*******************************************************************************/
EXPORT_NDEF_API extern void NDEF_MsgInit (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size);
/*******************************************************************************
**
** Function NDEF_MsgAddRec
**
** Description This function adds an NDEF record to the end of an NDEF message.
**
** Returns OK, or error if the record did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAddRec (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 tnf, UINT8 *p_type, UINT8 type_len,
UINT8 *p_id, UINT8 id_len,
UINT8 *p_payload, UINT32 payload_len);
/*******************************************************************************
**
** Function NDEF_MsgInsertRec
**
** Description This function inserts a record at a specific index into the
** given NDEF message
**
** Returns OK, or error if the record did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgInsertRec (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size, INT32 index,
UINT8 tnf, UINT8 *p_type, UINT8 type_len,
UINT8 *p_id, UINT8 id_len,
UINT8 *p_payload, UINT32 payload_len);
/*******************************************************************************
**
** Function NDEF_MsgAppendRec
**
** Description This function adds NDEF records to the end of an NDEF message.
**
** Returns OK, or error if the record did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAppendRec (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 *p_new_rec, UINT32 new_rec_len);
/*******************************************************************************
**
** Function NDEF_MsgAppendPayload
**
** Description This function appends extra payload to a specific record in the
** given NDEF message
**
** Returns OK, or error if the extra payload did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAppendPayload (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 *p_rec, UINT8 *p_add_pl, UINT32 add_pl_len);
/*******************************************************************************
**
** Function NDEF_MsgReplacePayload
**
** Description This function replaces the payload of a specific record in the
** given NDEF message
**
** Returns OK, or error if the new payload did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgReplacePayload (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 *p_rec, UINT8 *p_new_pl, UINT32 new_pl_len);
/*******************************************************************************
**
** Function NDEF_MsgReplaceType
**
** Description This function replaces the type field of a specific record in the
** given NDEF message
**
** Returns OK, or error if the new type field did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgReplaceType (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 *p_rec, UINT8 *p_new_type, UINT8 new_type_len);
/*******************************************************************************
**
** Function NDEF_MsgReplaceId
**
** Description This function replaces the ID field of a specific record in the
** given NDEF message
**
** Returns OK, or error if the new ID field did not fit
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgReplaceId (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 *p_rec, UINT8 *p_new_id, UINT8 new_id_len);
/*******************************************************************************
**
** Function NDEF_MsgRemoveRec
**
** Description This function removes the record at the given
** index in the given NDEF message.
**
** Returns OK, or error if the index was invalid
** *p_cur_size is updated
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgRemoveRec (UINT8 *p_msg, UINT32 *p_cur_size, INT32 index);
/*******************************************************************************
**
** Function NDEF_MsgCopyAndDechunk
**
** Description This function copies and de-chunks an NDEF message.
** It is assumed that the destination is at least as large
** as the source, since the source may not actually contain
** any chunks.
**
** Returns The output byte count
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgCopyAndDechunk (UINT8 *p_src, UINT32 src_len, UINT8 *p_dest, UINT32 *p_out_len);
/*******************************************************************************
**
** Function NDEF_MsgCreateWktHr
**
** Description This function creates Handover Request Record with version.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgCreateWktHr (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 version );
/*******************************************************************************
**
** Function NDEF_MsgCreateWktHs
**
** Description This function creates Handover Select Record with version.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgCreateWktHs (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 version );
/*******************************************************************************
**
** Function NDEF_MsgAddWktHc
**
** Description This function adds Handover Carrier Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAddWktHc (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
char *p_id_str, UINT8 ctf,
UINT8 carrier_type_len, UINT8 *p_carrier_type,
UINT8 carrier_data_len, UINT8 *p_carrier_data);
/*******************************************************************************
**
** Function NDEF_MsgAddWktAc
**
** Description This function adds Alternative Carrier Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAddWktAc (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 cps, char *p_carrier_data_ref_str,
UINT8 aux_data_ref_count, char *p_aux_data_ref_str[]);
/*******************************************************************************
**
** Function NDEF_MsgAddWktCr
**
** Description This function adds Collision Resolution Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAddWktCr (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT16 random_number );
/*******************************************************************************
**
** Function NDEF_MsgAddWktErr
**
** Description This function adds Error Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAddWktErr (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
UINT8 error_reason, UINT32 error_data );
/*******************************************************************************
**
** Function NDEF_MsgAddMediaBtOob
**
** Description This function adds BT OOB Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAddMediaBtOob (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
char *p_id_str, BD_ADDR bd_addr);
/*******************************************************************************
**
** Function NDEF_MsgAppendMediaBtOobCod
**
** Description This function appends COD EIR data at the end of BT OOB Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAppendMediaBtOobCod (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
char *p_id_str, DEV_CLASS cod);
/*******************************************************************************
**
** Function NDEF_MsgAppendMediaBtOobName
**
** Description This function appends Bluetooth Local Name EIR data
** at the end of BT OOB Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAppendMediaBtOobName (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
char *p_id_str, BOOLEAN is_complete,
UINT8 name_len, UINT8 *p_name);
/*******************************************************************************
**
** Function NDEF_MsgAppendMediaBtOobHashCRandR
**
** Description This function appends Hash C and Rand R at the end of BT OOB Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAppendMediaBtOobHashCRandR (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
char *p_id_str, UINT8 *p_hash_c, UINT8 *p_rand_r);
/*******************************************************************************
**
** Function NDEF_MsgAppendMediaBtOobEirData
**
** Description This function appends EIR Data at the end of BT OOB Record.
**
** Returns NDEF_OK if all OK
**
*******************************************************************************/
EXPORT_NDEF_API extern tNDEF_STATUS NDEF_MsgAppendMediaBtOobEirData (UINT8 *p_msg, UINT32 max_size, UINT32 *p_cur_size,
char *p_id_str,
UINT8 eir_type, UINT8 data_len, UINT8 *p_data);
#ifdef __cplusplus
}
#endif
#endif /* NDEF_UTILS_H */