/******************************************************************************
* \attention
*
* <h2><center>© 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_nfcb.h
*
* \author Gustavo Patricio
*
* \brief Implementation of NFC-B (ISO14443B) helpers
*
* It provides a NFC-B Poller (ISO14443B PCD) interface and
* also provides some NFC-B Listener (ISO14443B PICC) helpers
*
* The definitions and helpers methods provided by this module are only
* up to ISO14443-3 layer (excluding ATTRIB)
*
*
* \addtogroup RFAL
* @{
*
* \addtogroup RFAL-AL
* \brief RFAL Abstraction Layer
* @{
*
* \addtogroup NFC-B
* \brief RFAL NFC-B Module
* @{
*
*/
#ifndef RFAL_NFCB_H
#define RFAL_NFCB_H
/*
******************************************************************************
* INCLUDES
******************************************************************************
*/
#include "platform.h"
#include "st_errno.h"
#include "rfal_rf.h"
/*
******************************************************************************
* GLOBAL DEFINES
******************************************************************************
*/
#define RFAL_NFCB_FWTSENSB 7680U /*!< NFC-B FWT(SENSB) Digital 2.0 B.3 */
#define RFAL_NFCB_DFWT 49152U /*!< NFC-B dFWT Delta 2.0 7.9.1.3 & B.3 */
#define RFAL_NFCB_DTPOLL_10 rfalConvMsTo1fc(20) /*!< NFC-B Delta Tb Poll Digital 1.0 A.2 */
#define RFAL_NFCB_DTPOLL_20 rfalConvMsTo1fc(17) /*!< NFC-B Delta Tb Poll Digital 2.1 B.3 */
#define RFAL_NFCB_AFI 0x00U /*!< NFC-B default Application Family Digital 1.1 7.6.1.1 */
#define RFAL_NFCB_PARAM 0x00U /*!< NFC-B default SENSB_REQ PARAM */
#define RFAL_NFCB_CRC_LEN 2U /*!< NFC-B CRC length and CRC_B(AID) Digital 1.1 Table 28 */
#define RFAL_NFCB_NFCID0_LEN 4U /*!< Length of NFC-B NFCID0 */
#define RFAL_NFCB_CMD_LEN 1U /*!< Length of NFC-B Command */
#define RFAL_NFCB_SENSB_RES_LEN 12U /*!< Standard length of SENSB_RES without SFGI byte */
#define RFAL_NFCB_SENSB_RES_EXT_LEN 13U /*!< Extended length of SENSB_RES with SFGI byte */
#define RFAL_NFCB_SENSB_REQ_ADV_FEATURE 0x20U /*!< Bit mask for Advance Feature in SENSB_REQ */
#define RFAL_NFCB_SENSB_RES_FSCI_MASK 0x0FU /*!< Bit mask for FSCI value in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_FSCI_SHIFT 4U /*!< Shift for FSCI value in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_PROTO_RFU_MASK 0x08U /*!< Bit mask for Protocol Type RFU in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_PROTO_TR2_MASK 0x03U /*!< Bit mask for Protocol Type TR2 in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_PROTO_TR2_SHIFT 1U /*!< Shift for Protocol Type TR2 in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_PROTO_ISO_MASK 0x01U /*!< Bit mask Protocol Type ISO14443 Compliant in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_FWI_MASK 0x0FU /*!< Bit mask for FWI value in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_FWI_SHIFT 4U /*!< Bit mask for FWI value in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_ADC_MASK 0x0CU /*!< Bit mask for ADC value in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_ADC_ADV_FEATURE_MASK 0x08U /*!< Bit mask for ADC.Advanced Proto Features in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_ADC_PROPRIETARY_MASK 0x04U /*!< Bit mask for ADC.Proprietary Application in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_FO_DID_MASK 0x01U /*!< Bit mask for DID in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_FO_NAD_MASK 0x02U /*!< Bit mask for DID in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_FO_MASK 0x03U /*!< Bit mask for FO value in SENSB_RES (NAD and DID) */
#define RFAL_NFCB_SENSB_RES_SFGI_MASK 0x0FU /*!< Bit mask for SFGI in SENSB_RES */
#define RFAL_NFCB_SENSB_RES_SFGI_SHIFT 4U /*!< Shift for SFGI in SENSB_RES */
/*
******************************************************************************
* GLOBAL MACROS
******************************************************************************
*/
/*! Get device's FSCI given its SENSB_RES Digital 1.1 7.6.2 */
#define rfalNfcbGetFSCI( sensbRes ) ((((rfalNfcbSensbRes*)(sensbRes))->protInfo.FsciProType >> RFAL_NFCB_SENSB_RES_FSCI_SHIFT) & RFAL_NFCB_SENSB_RES_FSCI_MASK )
/*! Checks if the given NFC-B device indicates ISO-DEP support */
#define rfalNfcbIsIsoDepSupported( dev ) ( (((rfalNfcbListenDevice*)(dev))->sensbRes.protInfo.FsciProType & RFAL_NFCB_SENSB_RES_PROTO_ISO_MASK) != 0U )
/*
******************************************************************************
* GLOBAL TYPES
******************************************************************************
*/
/*! SENSB_REQ and ALLB_REQ param Digital 1.1 7.6.1 */
typedef enum
{
RFAL_NFCB_SENS_CMD_ALLB_REQ = 0x08, /*!< ALLB_REQ (WUPB) */
RFAL_NFCB_SENS_CMD_SENSB_REQ = 0x00 /*!< SENSB_REQ (REQB) */
} rfalNfcbSensCmd;
/*! Number of Slots (NI) codes used for NFC-B anti collision Digital 1.1 Table 26 */
typedef enum
{
RFAL_NFCB_SLOT_NUM_1 = 0, /*!< N=0 : 1 slot */
RFAL_NFCB_SLOT_NUM_2 = 1, /*!< N=1 : 2 slots */
RFAL_NFCB_SLOT_NUM_4 = 2, /*!< N=2 : 4 slots */
RFAL_NFCB_SLOT_NUM_8 = 3, /*!< N=3 : 8 slots */
RFAL_NFCB_SLOT_NUM_16 = 4 /*!< N=4 : 16 slots */
}rfalNfcbSlots;
/*! SENSB_RES (ATQB) Application Data Format Digital 1.1 Table 28 */
typedef struct
{
uint8_t AFI; /*!< Application Family Identifier */
uint8_t CRC_B[RFAL_NFCB_CRC_LEN]; /*!< CRC_B of AID */
uint8_t numApps; /*!< Number of Applications */
} rfalNfcbSensbResAppData;
/*! SENSB_RES Protocol Info format Digital 1.1 Table 29 */
typedef struct
{
uint8_t BRC; /*!< Bit Rate Capability */
uint8_t FsciProType; /*!< Frame Size Card Integer [4b] | Protocol Type[4 bits] */
uint8_t FwiAdcFo; /*!< Frame Waiting Integer [4b] | Application Data Coding [2b] | Frame Options [2b] */
uint8_t SFGI; /*!< Optional: Start-Up Frame Guard Time Integer[4b] | RFU [4b] */
} rfalNfcbSensbResProtocolInfo;
/*! SENSB_RES format Digital 1.1 7.6.2 */
typedef struct
{
uint8_t cmd; /*!< SENSB_RES: 50h */
uint8_t nfcid0[RFAL_NFCB_NFCID0_LEN]; /*!< NFC Identifier (PUPI)*/
rfalNfcbSensbResAppData appData; /*!< Application Data */
rfalNfcbSensbResProtocolInfo protInfo; /*!< Protocol Information */
} rfalNfcbSensbRes;
/*! NFC-B listener device (PICC) struct */
typedef struct
{
uint8_t sensbResLen; /*!< SENSB_RES length */
rfalNfcbSensbRes sensbRes; /*!< SENSB_RES */
bool isSleep; /*!< Device sleeping flag */
}rfalNfcbListenDevice;
/*
******************************************************************************
* GLOBAL FUNCTION PROTOTYPES
******************************************************************************
*/
/*!
*****************************************************************************
* \brief Initialize NFC-B Poller mode
*
* This methods configures RFAL RF layer to perform as a
* NFC-B Poller/RW (ISO14443B PCD) including all default timings
*
* It sets NFC-B parameters (AFI, PARAM) to default values
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcbPollerInitialize( void );
/*!
*****************************************************************************
* \brief Set NFC-B Poller parameters
*
* This methods configures RFAL RF layer to perform as a
* NFCA Poller/RW (ISO14443A PCD) including all default timings
*
* Additionally configures NFC-B specific parameters to be used on the
* following communications
*
* \param[in] AFI : Application Family Identifier to be used
* \param[in] PARAM : PARAM to be used, it announces whether Advanced
* Features or Extended SENSB_RES is supported
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcbPollerInitializeWithParams( uint8_t AFI, uint8_t PARAM );
/*!
*****************************************************************************
* \brief NFC-B Poller Check Presence
*
* This method checks if a NFC-B Listen device (PICC) is present on the field
* by sending an ALLB_REQ (WUPB) or SENSB_REQ (REQB)
*
* \param[in] cmd : Indicate if to send an ALL_REQ or a SENS_REQ
* \param[in] slots : The number of slots to be announced
* \param[out] sensbRes : If received, the SENSB_RES
* \param[out] sensbResLen : If received, the SENSB_RES length
*
*
* \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, no listener device detected
* \return ERR_RF_COLLISION : Collision detected one or more device in the field
* \return ERR_PAR : Parity error detected, one or more device in the field
* \return ERR_CRC : CRC error detected, one or more device in the field
* \return ERR_FRAMING : Framing error detected, one or more device in the field
* \return ERR_PROTO : Protocol error detected, invalid SENSB_RES received
* \return ERR_NONE : No error, SENSB_RES received
*****************************************************************************
*/
ReturnCode rfalNfcbPollerCheckPresence( rfalNfcbSensCmd cmd, rfalNfcbSlots slots, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen );
/*!
*****************************************************************************
* \brief NFC-B Poller Sleep
*
* This function is used to send the SLPB_REQ (HLTB) command to put the PICC with
* the given NFCID0 to state HALT so that they do not reply to further SENSB_REQ
* commands (only to ALLB_REQ)
*
* \param[in] nfcid0 : NFCID of the device to be put to Sleep
*
* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcbPollerSleep( const uint8_t* nfcid0 );
/*!
*****************************************************************************
* \brief NFC-B Poller Slot Marker
*
* This method selects a NFC-B Slot marker frame
*
* \param[in] slotCode : Slot Code [1-15]
* \param[out] sensbRes : If received, the SENSB_RES
* \param[out] sensbResLen : If received, the SENSB_RES length
*
* \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, SEL_RES received
*****************************************************************************
*/
ReturnCode rfalNfcbPollerSlotMarker( uint8_t slotCode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen );
/*!
*****************************************************************************
* \brief NFC-B Technology Detection
*
* This method performs NFC-B Technology Detection as defined in the spec
* given in the compliance mode
*
* \param[in] compMode : compliance mode to be performed
* \param[out] sensbRes : location to store the SENSB_RES, if received
* \param[out] sensbResLen : length of the SENSB_RES, if received
*
* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \return ERR_NONE : No error, one or more device in the field
*****************************************************************************
*/
ReturnCode rfalNfcbPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen );
/*!
*****************************************************************************
* \brief NFC-B Poller Collision Resolution
*
* NFC-B Collision resolution Listener device/card (PICC) as
* defined in Activity 1.1 9.3.5
*
* This function is used to perform collision resolution for detection in case
* of multiple NFC Forum Devices with Technology B detected.
* Target with valid SENSB_RES will be stored in devInfo and nfcbDevCount incremented.
*
* \param[in] compMode : compliance mode to be performed
* \param[in] devLimit : device limit value, and size nfcbDevList
* \param[out] nfcbDevList : NFC-B listener device info
* \param[out] devCnt : devices found counter
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \return ERR_PROTO : Protocol error detected
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcbPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt );
/*!
*****************************************************************************
* \brief NFC-B Poller Collision Resolution Slotted
*
* NFC-B Collision resolution Listener device/card (PICC). The sequence can
* be configured to be according to NFC Forum Activity 1.1 9.3.5, ISO10373
* or EMVCo
*
* This function is used to perform collision resolution for detection in case
* of multiple NFC Forum Devices with Technology B are detected.
* Target with valid SENSB_RES will be stored in devInfo and nfcbDevCount incremented.
*
* This method provides the means to perform a collision resolution loop with specific
* initial and end number of slots. This allows to user to start the loop already with
* greater number of slots, and or limit the end number of slots. At the end a flag
* indicating whether there were collisions pending is returned.
*
* If RFAL_COMPLIANCE_MODE_ISO is used \a initSlots must be set to RFAL_NFCB_SLOT_NUM_1
*
*
* \param[in] compMode : compliance mode to be performed
* \param[in] devLimit : device limit value, and size nfcbDevList
* \param[in] initSlots : number of slots to open initially
* \param[in] endSlots : number of slots when to stop collision resolution
* \param[out] nfcbDevList : NFC-B listener device info
* \param[out] devCnt : devices found counter
* \param[out] colPending : flag indicating whether collision are still pending
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \return ERR_PROTO : Protocol error detected
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcbPollerSlottedCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbSlots initSlots, rfalNfcbSlots endSlots, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, bool *colPending );
/*!
*****************************************************************************
* \brief NFC-B TR2 code to FDT
*
* Converts the TR2 code as defined in Digital 1.1 Table 33 Minimum
* TR2 Coding to Frame Delay Time (FDT) in 1/Fc
*
* \param[in] tr2Code : TR2 code as defined in Digital 1.1 Table 33
*
* \return FDT in 1/Fc
*****************************************************************************
*/
uint32_t rfalNfcbTR2ToFDT( uint8_t tr2Code );
#endif /* RFAL_NFCB_H */
/**
* @}
*
* @}
*
* @}
*/