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unleashed-firmware/lib/ST25RFAL002/include/rfal_nfcDep.h
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Naming and coding style convention, new linter tool. (#945) 
* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide
2022-01-05 19:10:18 +03:00

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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 3rd 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
******************************************************************************
*/
#ifndef RFAL_FEATURE_NFC_DEP
#define RFAL_FEATURE_NFC_DEP \
false /*!< NFC-DEP module configuration missing. Disabled by default */
#endif
/* If module is disabled remove the need for the user to set lengths */
#if !RFAL_FEATURE_NFC_DEP
#undef RFAL_FEATURE_NFC_DEP_BLOCK_MAX_LEN
#undef RFAL_FEATURE_NFC_DEP_PDU_MAX_LEN
#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" */
#endif /* !RFAL_FEATURE_NFC_DEP */
/*
******************************************************************************
* DEFINES
******************************************************************************
*/
#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 */
/*! Length NFCIP DEP REQ or RES header (incl LEN) */
#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 */
/*! Maximum Frame Waiting Time = ((256 * 16/fc)*2^FWImax) = ((256*16/fc)*2^14) = (1048576 / 64)/fc = (100000h*64)/fc */
#define RFAL_NFCDEP_MAX_FWT ((uint32_t)1U << 20)
#define RFAL_NFCDEP_WT_MASK \
0x0FU /*!< Bit mask for the Wait Time value */
#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 */
/*
******************************************************************************
* GLOBAL MACROS
******************************************************************************
*/
#define rfalNfcDepWT2RWT(wt) \
((uint32_t)1U \
<< (((uint32_t)(wt)&RFAL_NFCDEP_WT_MASK) + \
12U)) /*!< Converts WT value to RWT (1/fc) */
/*! Returns the BRS value from the given bit rate */
#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 */
/*! Returns the Frame size value from the given LRx value */
#define rfalNfcDepLR2FS(LRx) \
(uint16_t)( \
MIN((RFAL_NFCDEP_FS_VAL_MIN * ((uint16_t)(LRx) + 1U)), RFAL_NFCDEP_FRAME_SIZE_MAX_LEN))
/*!
* Despite DIGITAL 1.0 14.6.2.1 stating that the last two bytes may filled with
* 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)); \
}
/*
******************************************************************************
* GLOBAL ENUMERATIONS
******************************************************************************
*/
/*! Enumeration of NFC-DEP bit rate in ATR Digital 1.0 Table 93 and 94 */
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 */
};
/*! Enumeration of NFC-DEP bit rate Dividor in PSL Digital 1.0 Table 100 */
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 */
};
/*! Enumeration of NFC-DEP Length Reduction (LR) Digital 1.0 Table 91 */
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 */
};
/*
******************************************************************************
* GLOBAL DATA TYPES
******************************************************************************
*/
/*! NFC-DEP callback to check if upper layer has deactivation pending */
typedef bool (*rfalNfcDepDeactCallback)(void);
/*! Enumeration of the nfcip communication modes */
typedef enum {
RFAL_NFCDEP_COMM_PASSIVE, /*!< Passive communication mode */
RFAL_NFCDEP_COMM_ACTIVE /*!< Active communication mode */
} rfalNfcDepCommMode;
/*! Enumeration of the nfcip roles */
typedef enum {
RFAL_NFCDEP_ROLE_INITIATOR, /*!< Perform as Initiator */
RFAL_NFCDEP_ROLE_TARGET /*!< Perform as Target */
} rfalNfcDepRole;
/*! Struct that holds all NFCIP configs */
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 */
} rfalNfcDepConfigs;
/*! ATR_REQ command Digital 1.1 16.6.2 */
typedef struct {
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 */
} rfalNfcDepAtrReq;
/*! ATR_RES response Digital 1.1 16.6.3 */
typedef struct {
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 */
} rfalNfcDepAtrRes;
/*! Structure of transmit I-PDU Buffer format from caller */
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 */
} rfalNfcDepBufFormat;
/*! Structure of APDU Buffer format from caller */
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 */
} 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 {
rfalNfcDepAtrRes ATR_RES; /*!< ATR RES (Initiator mode) */
uint8_t ATR_RESLen; /*!< ATR RES length (Initiator mode) */
} Target; /*!< Target */
struct {
rfalNfcDepAtrReq ATR_REQ; /*!< ATR REQ (Target mode) */
uint8_t ATR_REQLen; /*!< ATR REQ length (Target mode) */
} Initiator; /*!< Initiator */
} rfalNfcDepActivation;
/*! NFC-DEP device Info */
typedef struct {
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)*/
} rfalNfcDepInfo;
/*! NFC-DEP Device structure */
typedef struct {
rfalNfcDepActivation activation; /*!< Activation Info */
rfalNfcDepInfo info; /*!< NFC-DEP device Info */
} 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:
* [ 0000b
* | Chain SHALL use max. Transport Data Byte[1b]
* | I-PDU with no Transport Data SHALL NOT be sent [1b]
* | NFC-DEP Target SHALL NOT send RTOX request [1b]
* ]
*
*/
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 */
} rfalNfcDepAtrParam;
/*! Structure of parameters to be passed in for nfcDepListenStartActivation */
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 */
} 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:
* [ 0000b
* | Chain SHALL use max. Transport Data Byte[1b]
* | I-PDU with no Transport Data SHALL NOT be sent [1b]
* | NFC-DEP Target SHALL NOT send RTOX request [1b]
* ]
*
*/
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 */
} rfalNfcDepTargetParam;
/*! Structure of parameters to be passed in for nfcDepStartIpduTransceive */
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) */
} rfalNfcDepTxRxParam;
/*! Structure of parameters used on NFC DEP PDU Transceive */
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) */
} 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
*
******************************************************************************
*/
void rfalNfcDepInitialize(void);
/*!
******************************************************************************
* \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
******************************************************************************
*/
void rfalNfcDepSetDeactivatingCallback(rfalNfcDepDeactCallback pFunc);
/*!
******************************************************************************
* \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
******************************************************************************
*/
uint32_t rfalNfcDepCalculateRWT(uint8_t wt);
/*!
******************************************************************************
* \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
******************************************************************************
*/
ReturnCode
rfalNfcDepATR(const rfalNfcDepAtrParam* param, rfalNfcDepAtrRes* atrRes, uint8_t* atrResLen);
/*!
******************************************************************************
* \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
******************************************************************************
*/
ReturnCode rfalNfcDepPSL(uint8_t BRS, uint8_t FSL);
/*!
******************************************************************************
* \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
******************************************************************************
*/
ReturnCode rfalNfcDepDSL(void);
/*!
******************************************************************************
* \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
******************************************************************************
*/
ReturnCode rfalNfcDepRLS(void);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepInitiatorHandleActivation(
rfalNfcDepAtrParam* param,
rfalBitRate desiredBR,
rfalNfcDepDevice* nfcDepDev);
/*!
******************************************************************************
* \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
*
******************************************************************************
*/
bool rfalNfcDepIsAtrReq(const uint8_t* buf, uint16_t bufLen, uint8_t* nfcid3);
/*!
******************************************************************************
* \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
******************************************************************************
*/
bool rfalNfcDepTargetRcvdATR(void);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepListenStartActivation(
const rfalNfcDepTargetParam* param,
const uint8_t* atrReq,
uint16_t atrReqLength,
rfalNfcDepListenActvParam rxParam);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepListenGetActivationStatus(void);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepStartTransceive(const rfalNfcDepTxRxParam* param);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepGetTransceiveStatus(void);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepStartPduTransceive(rfalNfcDepPduTxRxParam param);
/*!
*****************************************************************************
* \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
*****************************************************************************
*/
ReturnCode rfalNfcDepGetPduTransceiveStatus(void);
#endif /* RFAL_NFCDEP_H_ */
/**
* @}
*
* @}
*
* @}
*/
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