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/******************************************************************************
* \ attention
*
* < h2 > < center > & copy ; COPYRIGHT 2020 STMicroelectronics < / center > < / h2 >
*
* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT ( the " License " ) ;
* You may not use this file except in compliance with the License .
* You may obtain a copy of the License at :
*
* www . st . com / myliberty
*
* 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 ,
* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE , AND NON - INFRINGEMENT .
* See the License for the specific language governing permissions and
* limitations under the License .
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* PROJECT : ST25R391x firmware
* Revision :
* LANGUAGE : ISO C99
*/
/*! \file rfal_nfcDep.h
*
* \ author Gustavo Patricio
*
* \ brief Implementation of NFC - DEP protocol
*
* NFC - DEP is also known as NFCIP - Near Field Communication
* Interface and Protocol
*
* This implementation was based on the following specs :
* - NFC Forum Digital 1.1
* - ECMA 340 3 rd Edition 2013
*
*
* \ addtogroup RFAL
* @ {
*
* \ addtogroup RFAL - AL
* \ brief RFAL Abstraction Layer
* @ {
*
* \ addtogroup NFC - DEP
* \ brief RFAL NFC - DEP Module
* @ {
*/
# ifndef RFAL_NFCDEP_H_
# define RFAL_NFCDEP_H_
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* INCLUDES
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
# include "platform.h"
# include "st_errno.h"
# include "rfal_rf.h"
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* ENABLE SWITCH
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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# ifndef RFAL_FEATURE_NFC_DEP
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# define RFAL_FEATURE_NFC_DEP \
false /*!< NFC-DEP module configuration missing. Disabled by default */
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# endif
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/* If module is disabled remove the need for the user to set lengths */
# if !RFAL_FEATURE_NFC_DEP
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# undef RFAL_FEATURE_NFC_DEP_BLOCK_MAX_LEN
# undef RFAL_FEATURE_NFC_DEP_PDU_MAX_LEN
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# define RFAL_FEATURE_NFC_DEP_BLOCK_MAX_LEN 1U /*!< NFC-DEP Block/Payload length, set to "none" */
# define RFAL_FEATURE_NFC_DEP_PDU_MAX_LEN 1U /*!< NFC-DEP PDU length, set to "none" */
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# endif /* !RFAL_FEATURE_NFC_DEP */
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* DEFINES
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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# define RFAL_NFCDEP_FRAME_SIZE_MAX_LEN \
254U /*!< Maximum Frame Size Digital 2.0 Table 90 */
# define RFAL_NFCDEP_DEPREQ_HEADER_LEN \
5U /*!< DEP_REQ header length: CMD_TYPE + CMD_CMD + PBF + DID + NAD */
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/*! Length NFCIP DEP REQ or RES header (incl LEN) */
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# define RFAL_NFCDEP_DEP_HEADER \
( RFAL_NFCDEP_LEN_LEN + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN + RFAL_NFCDEP_DEP_PFB_LEN )
# define RFAL_NFCDEP_HEADER \
( RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN ) /*!< NFCIP header length */
# define RFAL_NFCDEP_SB_LEN \
1U /*!< SB length on NFCIP fram for NFC-A */
# define RFAL_NFCDEP_LEN_LEN \
1U /*!< LEN length on NFCIP frame */
# define RFAL_NFCDEP_CMDTYPE_LEN \
1U /*!< Length of the cmd type (REQ | RES) on NFCIP frame */
# define RFAL_NFCDEP_CMD_LEN \
1U /*!< Length of the cmd on NFCIP frame */
# define RFAL_NFCDEP_DID_LEN \
1U /*!< Length of did on NFCIP frame */
# define RFAL_NFCDEP_DEP_PFB_LEN \
1U /*!< Length of the PFB field on NFCIP frame */
# define RFAL_NFCDEP_DSL_RLS_LEN_NO_DID \
( RFAL_NFCDEP_LEN_LEN + RFAL_NFCDEP_CMDTYPE_LEN + \
RFAL_NFCDEP_CMD_LEN ) /*!< Length of DSL_REQ and RLS_REQ with no DID */
# define RFAL_NFCDEP_DSL_RLS_LEN_DID \
( RFAL_NFCDEP_DSL_RLS_LEN_NO_DID + \
RFAL_NFCDEP_DID_LEN ) /*!< Length of DSL_REQ and RLS_REQ with DID */
# define RFAL_NFCDEP_FS_VAL_MIN \
64U /*!< Minimum LR value */
# define RFAL_NFCDEP_LR_VAL_MASK \
0x03U /*!< Bit mask for a LR value */
# define RFAL_NFCDEP_PP_LR_MASK \
0x30U /*!< Bit mask for LR value in PP byte on a ATR REQ/RES */
# define RFAL_NFCDEP_PP_LR_SHIFT \
4U /*!< Position of LR value in PP byte on a ATR REQ/RES */
# define RFAL_NFCDEP_DID_MAX \
14U /*!< Max DID value Digital 14.6.2.3 */
# define RFAL_NFCDEP_DID_KEEP \
0xFFU /*!< Keep DID value already configured */
# define RFAL_NFCDEP_DID_NO \
0x00U /*!< No DID shall be used */
# define RFAL_NFCDEP_NAD_NO \
0x00U /*!< No NAD shall be used */
# define RFAL_NFCDEP_OPER_RTOX_REQ_DIS \
0x01U /*!< Operation config: RTOX REQ disable */
# define RFAL_NFCDEP_OPER_RTOX_REQ_EN \
0x00U /*!< Operation config: RTOX REQ enable */
# define RFAL_NFCDEP_OPER_ATN_DIS \
0x00U /*!< Operation config: ATN disable */
# define RFAL_NFCDEP_OPER_ATN_EN \
0x02U /*!< Operation config: ATN enable */
# define RFAL_NFCDEP_OPER_EMPTY_DEP_DIS \
0x04U /*!< Operation config: empty DEPs disable */
# define RFAL_NFCDEP_OPER_EMPTY_DEP_EN \
0x00U /*!< Operation config: empty DEPs enable */
# define RFAL_NFCDEP_OPER_FULL_MI_DIS \
0x00U /*!< Operation config: full chaining DEPs disable */
# define RFAL_NFCDEP_OPER_FULL_MI_EN \
0x08U /*!< Operation config: full chaining DEPs enable */
# define RFAL_NFCDEP_BRS_MAINTAIN \
0xC0U /*!< Value signalling that BR is to be maintained (no PSL) */
# define RFAL_NFCDEP_BRS_Dx_MASK \
0x07U /*!< Value signalling that BR is to be maintained (no PSL) */
# define RFAL_NFCDEP_BRS_DSI_POS \
3U /*!< Value signalling that BR is to be maintained (no PSL) */
# define RFAL_NFCDEP_WT_DELTA \
( 16U - RFAL_NFCDEP_WT_DELTA_ADJUST ) /*!< NFC-DEP dWRT (adjusted) Digital 2.0 B.10 */
# define RFAL_NFCDEP_WT_DELTA_ADJUST \
4U /*!< dWRT value adjustment */
# define RFAL_NFCDEP_ATR_REQ_NFCID3_POS \
2U /*!< NFCID3 offset in ATR_REQ frame */
# define RFAL_NFCDEP_NFCID3_LEN \
10U /*!< NFCID3 Length */
# define RFAL_NFCDEP_LEN_MIN \
3U /*!< Minimum length byte LEN value */
# define RFAL_NFCDEP_LEN_MAX \
255U /*!< Maximum length byte LEN value */
# define RFAL_NFCDEP_ATRRES_HEADER_LEN \
2U /*!< ATR RES Header Len: CmdType: 0xD5 + Cod: 0x01 */
# define RFAL_NFCDEP_ATRRES_MIN_LEN \
17U /*!< Minimum length for an ATR RES */
# define RFAL_NFCDEP_ATRRES_MAX_LEN \
64U /*!< Maximum length for an ATR RES Digital 1.0 14.6.1 */
# define RFAL_NFCDEP_ATRREQ_MIN_LEN \
16U /*!< Minimum length for an ATR REQ */
# define RFAL_NFCDEP_ATRREQ_MAX_LEN \
RFAL_NFCDEP_ATRRES_MAX_LEN /*!< Maximum length for an ATR REQ Digital 1.0 14.6.1 */
# define RFAL_NFCDEP_GB_MAX_LEN \
( RFAL_NFCDEP_ATRREQ_MAX_LEN - \
RFAL_NFCDEP_ATRREQ_MIN_LEN ) /*!< Maximum length the General Bytes on ATR Digital 1.1 16.6.3 */
# define RFAL_NFCDEP_WT_INI_DEFAULT \
RFAL_NFCDEP_WT_INI_MAX /*!< WT Initiator default value Digital 1.0 14.6.3.8 */
# define RFAL_NFCDEP_WT_INI_MIN 0U /*!< WT Initiator minimum value Digital 1.0 14.6.3.8 */
# define RFAL_NFCDEP_WT_INI_MAX 14U /*!< WT Initiator maximum value Digital 1.0 14.6.3.8 A.10 */
# define RFAL_NFCDEP_RWT_INI_MAX \
rfalNfcDepWT2RWT ( RFAL_NFCDEP_WT_INI_MAX ) /*!< RWT Initiator maximum value */
# define RFAL_NFCDEP_WT_TRG_MAX_D10 8U /*!< WT target max Digital 1.0 14.6.3.8 A.10 */
# define RFAL_NFCDEP_WT_TRG_MAX_D11 14U /*!< WT target max Digital 1.1 16.6.3.9 A.9 */
# define RFAL_NFCDEP_WT_TRG_MAX_L13 10U /*!< WT target max [LLCP] 1.3 6.2.1 */
# define RFAL_NFCDEP_WT_TRG_MAX \
RFAL_NFCDEP_WT_TRG_MAX_D11 /*!< WT target max Digital x.x | LLCP x.x */
# define RFAL_NFCDEP_RWT_TRG_MAX \
rfalNfcDepWT2RWT ( RFAL_NFCDEP_WT_TRG_MAX ) /*!< RWT Initiator maximum value */
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/*! Maximum Frame Waiting Time = ((256 * 16/fc)*2^FWImax) = ((256*16/fc)*2^14) = (1048576 / 64)/fc = (100000h*64)/fc */
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# define RFAL_NFCDEP_MAX_FWT ((uint32_t)1U << 20)
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# define RFAL_NFCDEP_WT_MASK \
0x0FU /*!< Bit mask for the Wait Time value */
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# define RFAL_NFCDEP_BR_MASK_106 \
0x01U /*!< Enable mask bit rate 106 */
# define RFAL_NFCDEP_BR_MASK_212 \
0x02U /*!< Enable mask bit rate 242 */
# define RFAL_NFCDEP_BR_MASK_424 \
0x04U /*!< Enable mask bit rate 424 */
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/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GLOBAL MACROS
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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# define rfalNfcDepWT2RWT(wt) \
( ( uint32_t ) 1U \
< < ( ( ( uint32_t ) ( wt ) & RFAL_NFCDEP_WT_MASK ) + \
12U ) ) /*!< Converts WT value to RWT (1/fc) */
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/*! Returns the BRS value from the given bit rate */
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# define rfalNfcDepDx2BRS(br) \
( ( ( ( uint8_t ) ( br ) & RFAL_NFCDEP_BRS_Dx_MASK ) < < RFAL_NFCDEP_BRS_DSI_POS ) | \
( ( uint8_t ) ( br ) & RFAL_NFCDEP_BRS_Dx_MASK ) )
# define rfalNfcDepBRS2DRI(brs) \
( uint8_t ) ( ( \
uint8_t ) ( brs ) & RFAL_NFCDEP_BRS_Dx_MASK ) /*!< Returns the DRI value from the given BRS byte */
# define rfalNfcDepBRS2DSI(brs) \
( uint8_t ) ( \
( ( uint8_t ) ( brs ) > > RFAL_NFCDEP_BRS_DSI_POS ) & \
RFAL_NFCDEP_BRS_Dx_MASK ) /*!< Returns the DSI value from the given BRS byte */
# define rfalNfcDepPP2LR(PPx) \
( ( ( uint8_t ) ( PPx ) & RFAL_NFCDEP_PP_LR_MASK ) > > \
RFAL_NFCDEP_PP_LR_SHIFT ) /*!< Returns the LR value from the given PPx byte */
# define rfalNfcDepLR2PP(LRx) \
( ( ( uint8_t ) ( LRx ) < < RFAL_NFCDEP_PP_LR_SHIFT ) & \
RFAL_NFCDEP_PP_LR_MASK ) /*!< Returns the PP byte with the given LRx value */
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/*! Returns the Frame size value from the given LRx value */
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# define rfalNfcDepLR2FS(LRx) \
( uint16_t ) ( \
MIN ( ( RFAL_NFCDEP_FS_VAL_MIN * ( ( uint16_t ) ( LRx ) + 1U ) ) , RFAL_NFCDEP_FRAME_SIZE_MAX_LEN ) )
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/*!
* Despite DIGITAL 1.0 14.6 .2 .1 stating that the last two bytes may filled with
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* any value , some devices ( Samsung Google Nexus ) only accept when these are 0 */
# define rfalNfcDepSetNFCID(dst, src, len) \
ST_MEMSET ( ( dst ) , 0x00 , RFAL_NFCDEP_NFCID3_LEN ) ; \
if ( ( len ) > 0U ) { \
ST_MEMCPY ( ( dst ) , ( src ) , ( len ) ) ; \
}
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/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GLOBAL ENUMERATIONS
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
/*! Enumeration of NFC-DEP bit rate in ATR Digital 1.0 Table 93 and 94 */
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enum {
RFAL_NFCDEP_Bx_NO_HIGH_BR = 0x00 , /*!< Peer supports no high bit rates */
RFAL_NFCDEP_Bx_08_848 = 0x01 , /*!< Peer also supports 848 */
RFAL_NFCDEP_Bx_16_1695 = 0x02 , /*!< Peer also supports 1695 */
RFAL_NFCDEP_Bx_32_3390 = 0x04 , /*!< Peer also supports 3390 */
RFAL_NFCDEP_Bx_64_6780 = 0x08 /*!< Peer also supports 6780 */
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} ;
/*! Enumeration of NFC-DEP bit rate Dividor in PSL Digital 1.0 Table 100 */
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enum {
RFAL_NFCDEP_Dx_01_106 = RFAL_BR_106 , /*!< Divisor D = 1 : bit rate = 106 */
RFAL_NFCDEP_Dx_02_212 = RFAL_BR_212 , /*!< Divisor D = 2 : bit rate = 212 */
RFAL_NFCDEP_Dx_04_424 = RFAL_BR_424 , /*!< Divisor D = 4 : bit rate = 424 */
RFAL_NFCDEP_Dx_08_848 = RFAL_BR_848 , /*!< Divisor D = 8 : bit rate = 848 */
RFAL_NFCDEP_Dx_16_1695 = RFAL_BR_1695 , /*!< Divisor D = 16 : bit rate = 1695 */
RFAL_NFCDEP_Dx_32_3390 = RFAL_BR_3390 , /*!< Divisor D = 32 : bit rate = 3390 */
RFAL_NFCDEP_Dx_64_6780 = RFAL_BR_6780 /*!< Divisor D = 64 : bit rate = 6780 */
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} ;
/*! Enumeration of NFC-DEP Length Reduction (LR) Digital 1.0 Table 91 */
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enum {
RFAL_NFCDEP_LR_64 = 0x00 , /*!< Maximum payload size is 64 bytes */
RFAL_NFCDEP_LR_128 = 0x01 , /*!< Maximum payload size is 128 bytes */
RFAL_NFCDEP_LR_192 = 0x02 , /*!< Maximum payload size is 192 bytes */
RFAL_NFCDEP_LR_254 = 0x03 /*!< Maximum payload size is 254 bytes */
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} ;
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GLOBAL DATA TYPES
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
/*! NFC-DEP callback to check if upper layer has deactivation pending */
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typedef bool ( * rfalNfcDepDeactCallback ) ( void ) ;
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/*! Enumeration of the nfcip communication modes */
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typedef enum {
R FAL_NFCDEP_COMM_PASSIVE , /*!< Passive communication mode */
RFAL_NFCDEP_COMM_ACTIVE /*!< Active communication mode */
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} rfalNfcDepCommMode ;
/*! Enumeration of the nfcip roles */
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typedef enum {
RFAL_NFCDEP_ROLE_INITIATOR , /*!< Perform as Initiator */
RFAL_NFCDEP_ROLE_TARGET /*!< Perform as Target */
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} rfalNfcDepRole ;
/*! Struct that holds all NFCIP configs */
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typedef struct {
rfalNfcDepRole role ; /*!< Current NFCIP role */
rfalNfcDepCommMode commMode ; /*!< Current NFCIP communication mode */
uint8_t oper ; /*!< Operation config similar to NCI 1.0 Table 81 */
uint8_t did ; /*!< Current Device ID (DID) */
uint8_t nad ; /*!< Current Node Addressing (NAD) */
uint8_t bs ; /*!< Bit rate in Sending Direction */
uint8_t br ; /*!< Bit rate in Receiving Direction */
uint8_t nfcid [ RFAL_NFCDEP_NFCID3_LEN ] ; /*!< Pointer to the NFCID to be used */
uint8_t nfcidLen ; /*!< Length of the given NFCID in nfcid */
uint8_t gb [ RFAL_NFCDEP_GB_MAX_LEN ] ; /*!< Pointer General Bytes (GB) to be used */
uint8_t gbLen ; /*!< Length of the given GB in gb */
uint8_t lr ; /*!< Length Reduction (LR) to be used */
uint8_t to ; /*!< Timeout (TO) to be used */
uint32_t fwt ; /*!< Frame Waiting Time (FWT) to be used */
uint32_t dFwt ; /*!< Delta Frame Waiting Time (dFWT) to be used */
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} rfalNfcDepConfigs ;
/*! ATR_REQ command Digital 1.1 16.6.2 */
typedef struct {
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uint8_t CMD1 ; /*!< Command format 0xD4 */
uint8_t CMD2 ; /*!< Command Value */
uint8_t NFCID3 [ RFAL_NFCDEP_NFCID3_LEN ] ; /*!< NFCID3 value */
uint8_t DID ; /*!< DID */
uint8_t BSi ; /*!< Sending Bitrate for Initiator */
uint8_t BRi ; /*!< Receiving Bitrate for Initiator */
uint8_t PPi ; /*!< Optional Parameters presence indicator */
uint8_t GBi [ RFAL_NFCDEP_GB_MAX_LEN ] ; /*!< General Bytes */
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} rfalNfcDepAtrReq ;
/*! ATR_RES response Digital 1.1 16.6.3 */
typedef struct {
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uint8_t CMD1 ; /*!< Response Byte 0xD5 */
uint8_t CMD2 ; /*!< Command Value */
uint8_t NFCID3 [ RFAL_NFCDEP_NFCID3_LEN ] ; /*!< NFCID3 value */
uint8_t DID ; /*!< DID */
uint8_t BSt ; /*!< Sending Bitrate for Initiator */
uint8_t BRt ; /*!< Receiving Bitrate for Initiator */
uint8_t TO ; /*!< Timeout */
uint8_t PPt ; /*!< Optional Parameters presence indicator */
uint8_t GBt [ RFAL_NFCDEP_GB_MAX_LEN ] ; /*!< General Bytes */
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} rfalNfcDepAtrRes ;
/*! Structure of transmit I-PDU Buffer format from caller */
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typedef struct {
uint8_t prologue [ RFAL_NFCDEP_DEPREQ_HEADER_LEN ] ; /*!< Prologue space for NFC-DEP header*/
uint8_t inf [ RFAL_FEATURE_NFC_DEP_BLOCK_MAX_LEN ] ; /*!< INF | Data area of the buffer */
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} rfalNfcDepBufFormat ;
/*! Structure of APDU Buffer format from caller */
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typedef struct {
uint8_t prologue [ RFAL_NFCDEP_DEPREQ_HEADER_LEN ] ; /*!< Prologue/SoD buffer */
uint8_t pdu [ RFAL_FEATURE_NFC_DEP_PDU_MAX_LEN ] ; /*!< Complete PDU/Payload buffer */
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} rfalNfcDepPduBufFormat ;
/*! Activation info as Initiator and Target */
typedef union { /* PRQA S 0750 # MISRA 19.2 - Both members of the union will not be used concurrently , device is only initiatior or target a time. No problem can occur. */
struct {
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rfalNfcDepAtrRes ATR_RES ; /*!< ATR RES (Initiator mode) */
uint8_t ATR_RESLen ; /*!< ATR RES length (Initiator mode) */
} Target ; /*!< Target */
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struct {
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rfalNfcDepAtrReq ATR_REQ ; /*!< ATR REQ (Target mode) */
uint8_t ATR_REQLen ; /*!< ATR REQ length (Target mode) */
} Initiator ; /*!< Initiator */
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} rfalNfcDepActivation ;
/*! NFC-DEP device Info */
typedef struct {
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uint8_t GBLen ; /*!< General Bytes length */
uint8_t WT ; /*!< WT to be used (ignored in Listen Mode) */
uint32_t FWT ; /*!< FWT to be used (1/fc)(ignored Listen Mode) */
uint32_t dFWT ; /*!< Delta FWT to be used (1/fc) */
uint8_t LR ; /*!< Length Reduction coding the max payload */
uint16_t FS ; /*!< Frame Size */
rfalBitRate DSI ; /*!< Bit Rate coding from Initiator to Target */
rfalBitRate DRI ; /*!< Bit Rate coding from Target to Initiator */
uint8_t DID ; /*!< Device ID (RFAL_NFCDEP_DID_NO if no DID) */
uint8_t NAD ; /*!< Node ADdress (RFAL_NFCDEP_NAD_NO if no NAD)*/
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} rfalNfcDepInfo ;
/*! NFC-DEP Device structure */
typedef struct {
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rfalNfcDepActivation activation ; /*!< Activation Info */
rfalNfcDepInfo info ; /*!< NFC-DEP device Info */
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} rfalNfcDepDevice ;
/*! NFCIP Protocol structure for P2P Target
*
* operParam : derives from NFC - Forum NCI NFC - DEP Operation Parameter
* NCI 1.1 Table 86 : NFC - DEP Operation Parameter
* and it ' s a bit mask composed as :
* [ 0000 b
* | Chain SHALL use max . Transport Data Byte [ 1 b ]
* | I - PDU with no Transport Data SHALL NOT be sent [ 1 b ]
* | NFC - DEP Target SHALL NOT send RTOX request [ 1 b ]
* ]
*
*/
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typedef struct {
rfalNfcDepCommMode commMode ; /*!< Initiator in Active P2P or Passive P2P*/
uint8_t operParam ; /*!< NFC-DEP Operation Parameter */
uint8_t * nfcid ; /*!< Initiator's NFCID2 or NFCID3 */
uint8_t nfcidLen ; /*!< Initiator's NFCID length (NFCID2/3) */
uint8_t DID ; /*!< Initiator's Device ID DID */
uint8_t NAD ; /*!< Initiator's Node ID NAD */
uint8_t BS ; /*!< Initiator's Bit Rates supported in Tx */
uint8_t BR ; /*!< Initiator's Bit Rates supported in Rx */
uint8_t LR ; /*!< Initiator's Length reduction */
uint8_t * GB ; /*!< Initiator's General Bytes (Gi) */
uint8_t GBLen ; /*!< Initiator's General Bytes length */
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} rfalNfcDepAtrParam ;
/*! Structure of parameters to be passed in for nfcDepListenStartActivation */
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typedef struct {
rfalNfcDepBufFormat * rxBuf ; /*!< Receive Buffer struct reference */
uint16_t * rxLen ; /*!< Receive INF data length in bytes */
bool * isRxChaining ; /*!< Received data is not complete */
rfalNfcDepDevice * nfcDepDev ; /*!< NFC-DEP device info */
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} rfalNfcDepListenActvParam ;
/*! NFCIP Protocol structure for P2P Target
*
* operParam : derives from NFC - Forum NCI NFC - DEP Operation Parameter
* NCI 1.1 Table 86 : NFC - DEP Operation Parameter
* and it ' s a bit mask composed as :
* [ 0000 b
* | Chain SHALL use max . Transport Data Byte [ 1 b ]
* | I - PDU with no Transport Data SHALL NOT be sent [ 1 b ]
* | NFC - DEP Target SHALL NOT send RTOX request [ 1 b ]
* ]
*
*/
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typedef struct {
rfalNfcDepCommMode commMode ; /*!< Target in Active P2P or Passive P2P */
uint8_t nfcid3 [ RFAL_NFCDEP_NFCID3_LEN ] ; /*!< Target's NFCID3 */
uint8_t bst ; /*!< Target's Bit Rates supported in Tx */
uint8_t brt ; /*!< Target's Bit Rates supported in Rx */
uint8_t to ; /*!< Target's timeout (TO) value */
uint8_t ppt ; /*!< Target's Presence optional Params(PPt)*/
uint8_t GBt [ RFAL_NFCDEP_GB_MAX_LEN ] ; /*!< Target's General Bytes (Gt) */
uint8_t GBtLen ; /*!< Target's General Bytes length */
uint8_t operParam ; /*!< NFC-DEP Operation Parameter */
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} rfalNfcDepTargetParam ;
/*! Structure of parameters to be passed in for nfcDepStartIpduTransceive */
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typedef struct {
rfalNfcDepBufFormat * txBuf ; /*!< Transmit Buffer struct reference */
uint16_t txBufLen ; /*!< Transmit Buffer INF field length in bytes */
bool isTxChaining ; /*!< Transmit data is not complete */
rfalNfcDepBufFormat * rxBuf ; /*!< Receive Buffer struct reference */
uint16_t * rxLen ; /*!< Receive INF data length */
bool * isRxChaining ; /*!< Received data is not complete */
uint32_t FWT ; /*!< FWT to be used (ignored in Listen Mode) */
uint32_t dFWT ; /*!< Delta FWT to be used */
uint16_t FSx ; /*!< Other device Frame Size (FSD or FSC) */
uint8_t DID ; /*!< Device ID (RFAL_ISODEP_NO_DID if no DID) */
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} rfalNfcDepTxRxParam ;
/*! Structure of parameters used on NFC DEP PDU Transceive */
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typedef struct {
rfalNfcDepPduBufFormat * txBuf ; /*!< Transmit Buffer struct reference */
uint16_t txBufLen ; /*!< Transmit Buffer INF field length in Bytes*/
rfalNfcDepPduBufFormat * rxBuf ; /*!< Receive Buffer struct reference in Bytes */
uint16_t * rxLen ; /*!< Received INF data length in Bytes */
rfalNfcDepBufFormat * tmpBuf ; /*!< Temp buffer for single PDUs (internal) */
uint32_t FWT ; /*!< FWT to be used (ignored in Listen Mode) */
uint32_t dFWT ; /*!< Delta FWT to be used */
uint16_t FSx ; /*!< Other device Frame Size (FSD or FSC) */
uint8_t DID ; /*!< Device ID (RFAL_ISODEP_NO_DID if no DID) */
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} rfalNfcDepPduTxRxParam ;
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GLOBAL VARIABLE DECLARATIONS
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GLOBAL FUNCTION PROTOTYPES
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFCIP Initialize
*
* This method resets all NFC - DEP inner states , counters and context and sets
* default values
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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void rfalNfcDepInitialize ( void ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Set deactivating callback
*
* Sets the deactivating callback so that nfcip layer can check if upper layer
* has a deactivation pending , and not perform error recovery upon specific
* errors
*
* \ param [ in ] pFunc : method pointer to deactivation flag check
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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void rfalNfcDepSetDeactivatingCallback ( rfalNfcDepDeactCallback pFunc ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Calculate Response Waiting Time
*
* Calculates the Response Waiting Time ( RWT ) from the given Waiting Time ( WT )
*
* \ param [ in ] wt : the WT value to calculate RWT
*
* \ return RWT value in 1 / fc
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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uint32_t rfalNfcDepCalculateRWT ( uint8_t wt ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFC - DEP Initiator ATR ( Attribute Request )
*
* This method configures the NFC - DEP layer with given parameters and then
* sends an ATR to the Target with and checks for a valid response response
*
* \ param [ in ] param : parameters to initialize and compose the ATR
* \ param [ out ] atrRes : location to store the ATR_RES
* \ param [ out ] atrResLen : length of the ATR_RES received
*
* \ return ERR_NONE : No error
* \ return ERR_TIMEOUT : Timeout occurred
* \ return ERR_PROTO : Protocol error occurred
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode
rfalNfcDepATR ( const rfalNfcDepAtrParam * param , rfalNfcDepAtrRes * atrRes , uint8_t * atrResLen ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFC - DEP Initiator PSL ( Parameter Selection )
*
* This method sends a PSL to the Target with the given parameters and checks
* for a valid response response
*
* The parameters must be coded according to Digital 1.1 16.7 .1
*
* \ param [ in ] BRS : the selected Bit Rates for Initiator and Target
* \ param [ in ] FSL : the maximum length of Commands and Responses
*
* \ return ERR_NONE : No error
* \ return ERR_TIMEOUT : Timeout occurred
* \ return ERR_PROTO : Protocol error occurred
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepPSL ( uint8_t BRS , uint8_t FSL ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFC - DEP Initiator DSL ( Deselect )
*
* This method checks if the NFCIP module is configured as initiator and if
* so sends a DSL REQ , waits the target ' s response and checks it
*
* In case of performing as target no action is taken
*
* \ return ERR_NONE : No error
* \ return ERR_TIMEOUT : Timeout occurred
* \ return ERR_MAX_RERUNS : Timeout occurred
* \ return ERR_PROTO : Protocol error occurred
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepDSL ( void ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFC - DEP Initiator RLS ( Release )
*
* This method checks if the NFCIP module is configured as initiator and if
* so sends a RLS REQ , waits target ' s response and checks it
*
* In case of performing as target no action is taken
*
* \ return ERR_NONE : No error
* \ return ERR_TIMEOUT : Timeout occurred
* \ return ERR_MAX_RERUNS : Timeout occurred
* \ return ERR_PROTO : Protocol error occurred
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepRLS ( void ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFC - DEP Initiator Handle Activation
*
* This performs a Activation into NFC - DEP layer with the given
* parameters . It sends ATR_REQ and if the higher bit rates are supported by
* both devices it additionally sends PSL
* Once Activated all details of the device are provided on nfcDepDev
*
* \ param [ in ] param : required parameters to initialize and send ATR_REQ
* \ param [ in ] desiredBR : Desired bit rate supported by the Poller
* \ param [ out ] nfcDepDev : NFC - DEP information of the activated Listen device
*
* \ return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
* \ return ERR_PARAM : Invalid parameters
* \ return ERR_IO : Generic internal error
* \ return ERR_TIMEOUT : Timeout error
* \ return ERR_PAR : Parity error detected
* \ return ERR_CRC : CRC error detected
* \ return ERR_FRAMING : Framing error detected
* \ return ERR_PROTO : Protocol error detected
* \ return ERR_NONE : No error , activation successful
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepInitiatorHandleActivation (
rfalNfcDepAtrParam * param ,
rfalBitRate desiredBR ,
rfalNfcDepDevice * nfcDepDev ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Check if buffer contains valid ATR_REQ
*
* This method checks if the given ATR_REQ is valid
*
*
* \ param [ in ] buf : buffer holding Initiator ' s received request
* \ param [ in ] bufLen : size of the msg contained on the buf in Bytes
* \ param [ out ] nfcid3 : pointer to where the NFCID3 may be outputed ,
* nfcid3 has NFCF_SENSF_NFCID3_LEN as length
* Pass NULL if output parameter not desired
*
* \ return true : Valid ATR_REQ received , the ATR_RES has been computed in txBuf
* \ return false : Invalid protocol request
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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bool rfalNfcDepIsAtrReq ( const uint8_t * buf , uint16_t bufLen , uint8_t * nfcid3 ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Check is Target has received ATR
*
* This method checks if the NFCIP module is configured as target and if a
* ATR REQ has been received ( whether is in activation or in data exchange )
*
* \ return true : a ATR has already been received
* \ return false : no ATR has been received
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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bool rfalNfcDepTargetRcvdATR ( void ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief NFCDEP Start Listen Activation Handling
*
* Start Activation Handling and setup to receive first frame which may
* contain complete or partial DEP - REQ after activation is completed
*
* Pass in ATR_REQ for NFC - DEP to handle ATR_RES . The Activation Handling
* handles ATR_RES and PSL_RES if a PSL_REQ is received
*
* Activation is completed if PSL_RES is sent or if first I - PDU is received
*
* \ ref rfalNfcDepListenGetActivationStatus ( ) provide status of the
* ongoing activation
*
* \ warning nfcDepGetTransceiveStatus ( ) shall be called right after activation
* is completed ( i . e . rfalNfcDepListenGetActivationStatus ( ) return ERR_NONE )
* to check for first received frame .
*
* \ param [ in ] param : Target parameters to be used
* \ param [ in ] atrReq : reference to buffer containing ATR_REQ
* \ param [ in ] atrReqLength : Length of ATR_REQ
* \ param [ out ] rxParam : references to buffer , length and chaining indication
* for first complete LLCP to be received
*
* \ return ERR_NONE : ATR_REQ is valid and activation ongoing
* \ return ERR_PARAM : ATR_REQ or other params are invalid
* \ return ERR_LINK_LOSS : Remote Field is turned off
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepListenStartActivation (
const rfalNfcDepTargetParam * param ,
const uint8_t * atrReq ,
uint16_t atrReqLength ,
rfalNfcDepListenActvParam rxParam ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Get the current NFC - DEP Activation Status
*
* \ return ERR_NONE : Activation has completed successfully
* \ return ERR_BUSY : Activation is ongoing
* \ return ERR_LINK_LOSS : Remote Field was turned off
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepListenGetActivationStatus ( void ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Start Transceive
*
* Transceives a complete or partial DEP block
*
* The txBuf contains complete or partial of DEP to be transmitted .
* The Prologue field of the I - PDU is handled internally
*
* If the buffer contains partial LLCP and is not the last block , then
* isTxChaining must be set to true
*
* \ param [ in ] param : reference parameters to be used for the Transceive
*
* \ return ERR_PARAM : Bad request
* \ return ERR_WRONG_STATE : The module is not in a proper state
* \ return ERR_NONE : The Transceive request has been started
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepStartTransceive ( const rfalNfcDepTxRxParam * param ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Return the Transceive status
*
* Returns the status of the NFC - DEP Transceive
*
* \ warning When the other device is performing chaining once a chained
* block is received the error ERR_AGAIN is sent . At this point
* caller must handle the received data immediately .
* When ERR_AGAIN is returned an ACK has already been sent to
* the other device and the next block might be incoming .
* If rfalWorker ( ) is called frequently it will place the next
* block on the given buffer
*
* \ return ERR_NONE : Transceive has been completed successfully
* \ return ERR_BUSY : Transceive is ongoing
* \ return ERR_PROTO : Protocol error occurred
* \ return ERR_TIMEOUT : Timeout error occurred
* \ return ERR_SLEEP_REQ : Deselect has been received and responded
* \ return ERR_NOMEM : The received I - PDU does not fit into the
* receive buffer
* \ return ERR_LINK_LOSS : Communication is lost because Reader / Writer
* has turned off its field
* \ return ERR_AGAIN : received one chaining block , continue to call
* this method to retrieve the remaining blocks
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepGetTransceiveStatus ( void ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Start PDU Transceive
*
* This method triggers a NFC - DEP Transceive containing a complete PDU
* It transmits the given message and handles all protocol retransmitions ,
* error handling and control messages
*
* The txBuf contains a complete PDU to be transmitted
* The Prologue field will be manipulated by the Transceive
*
* \ warning the txBuf will be modified during the transmission
* \ warning the maximum RF frame which can be received is limited by param . tmpBuf
*
* \ param [ in ] param : reference parameters to be used for the Transceive
*
* \ return ERR_PARAM : Bad request
* \ return ERR_WRONG_STATE : The module is not in a proper state
* \ return ERR_NONE : The Transceive request has been started
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepStartPduTransceive ( rfalNfcDepPduTxRxParam param ) ;
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/*!
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* \ brief Return the PSU Transceive status
*
* Returns the status of the NFC - DEP PDU Transceive
*
*
* \ return ERR_NONE : Transceive has been completed successfully
* \ return ERR_BUSY : Transceive is ongoing
* \ return ERR_PROTO : Protocol error occurred
* \ return ERR_TIMEOUT : Timeout error occurred
* \ return ERR_SLEEP_REQ : Deselect has been received and responded
* \ return ERR_NOMEM : The received I - PDU does not fit into the
* receive buffer
* \ return ERR_LINK_LOSS : Communication is lost because Reader / Writer
* has turned off its field
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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ReturnCode rfalNfcDepGetPduTransceiveStatus ( void ) ;
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# endif /* RFAL_NFCDEP_H_ */
/**
* @ }
*
* @ }
*
* @ }
*/
