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unleashed-firmware/lib/ST25RFAL002/include/rfal_nfca.h
Aleksandr Kutuzov 4c9eb4928d NFC: application + rfal + driver.
2020-10-20 14:12:28 +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_nfca.h
*
* \author Gustavo Patricio
*
* \brief Provides several NFC-A convenience methods and definitions
*
* It provides a Poller (ISO14443A PCD) interface and as well as
* some NFC-A Listener (ISO14443A PICC) helpers.
*
* The definitions and helpers methods provided by this module are only
* up to ISO14443-3 layer
*
*
* An usage example is provided here: \ref exampleRfalNfca.c
* \example exampleRfalNfca.c
*
*
* \addtogroup RFAL
* @{
*
* \addtogroup RFAL-AL
* \brief RFAL Abstraction Layer
* @{
*
* \addtogroup NFC-A
* \brief RFAL NFC-A Module
* @{
*
*/
#ifndef RFAL_NFCA_H
#define RFAL_NFCA_H
/*
******************************************************************************
* INCLUDES
******************************************************************************
*/
#include "platform.h"
#include "st_errno.h"
#include "rfal_rf.h"
#include "rfal_t1t.h"
/*
******************************************************************************
* GLOBAL DEFINES
******************************************************************************
*/
#define RFAL_NFCA_CASCADE_1_UID_LEN 4U /*!< UID length of cascade level 1 only tag */
#define RFAL_NFCA_CASCADE_2_UID_LEN 7U /*!< UID length of cascade level 2 only tag */
#define RFAL_NFCA_CASCADE_3_UID_LEN 10U /*!< UID length of cascade level 3 only tag */
#define RFAL_NFCA_SENS_RES_PLATFORM_MASK 0x0FU /*!< SENS_RES (ATQA) platform configuration mask Digital 1.1 Table 10 */
#define RFAL_NFCA_SENS_RES_PLATFORM_T1T 0x0CU /*!< SENS_RES (ATQA) T1T platform configuration Digital 1.1 Table 10 */
#define RFAL_NFCA_SEL_RES_CONF_MASK 0x60U /*!< SEL_RES (SAK) platform configuration mask Digital 1.1 Table 19 */
#define RFAL_NFCA_SEL_RES_CONF_T2T 0x00U /*!< SEL_RES (SAK) T2T configuration Digital 1.1 Table 19 */
#define RFAL_NFCA_SEL_RES_CONF_T4T 0x20U /*!< SEL_RES (SAK) T4T configuration Digital 1.1 Table 19 */
#define RFAL_NFCA_SEL_RES_CONF_NFCDEP 0x40U /*!< SEL_RES (SAK) NFC-DEP configuration Digital 1.1 Table 19 */
#define RFAL_NFCA_SEL_RES_CONF_T4T_NFCDEP 0x60U /*!< SEL_RES (SAK) T4T and NFC-DEP configuration Digital 1.1 Table 19 */
/*! NFC-A minimum FDT(listen) = ((n * 128 + (84)) / fc) with n_min = 9 Digital 1.1 6.10.1
* = (1236)/fc
* Relax with 3etu: (3*128)/fc as with multiple NFC-A cards, response may take longer (JCOP cards)
* = (1236 + 384)/fc = 1620 / fc */
#define RFAL_NFCA_FDTMIN 1620U
/*
******************************************************************************
* GLOBAL MACROS
******************************************************************************
*/
/*! Checks if device is a T1T given its SENS_RES */
#define rfalNfcaIsSensResT1T( sensRes ) ((((rfalNfcaSensRes*)(sensRes))->platformInfo & RFAL_NFCA_SENS_RES_PLATFORM_MASK) == RFAL_NFCA_SENS_RES_PLATFORM_T1T )
/*! Checks if device is a T2T given its SENS_RES */
#define rfalNfcaIsSelResT2T( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T2T )
/*! Checks if device is a T4T given its SENS_RES */
#define rfalNfcaIsSelResT4T( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T4T )
/*! Checks if device supports NFC-DEP protocol given its SENS_RES */
#define rfalNfcaIsSelResNFCDEP( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_NFCDEP )
/*! Checks if device supports ISO-DEP and NFC-DEP protocol given its SENS_RES */
#define rfalNfcaIsSelResT4TNFCDEP( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T4T_NFCDEP )
/*! Checks if a NFC-A listener device supports multiple protocols (ISO-DEP and NFC-DEP) */
#define rfalNfcaLisDevIsMultiProto( lisDev ) (((rfalNfcaListenDevice*)(lisDev))->type == RFAL_NFCA_T4T_NFCDEP )
/*
******************************************************************************
* GLOBAL TYPES
******************************************************************************
*/
/*! NFC-A Listen device types */
typedef enum {
RFAL_NFCA_T1T = 0x01, /* Device configured for T1T Digital 1.1 Table 9 */
RFAL_NFCA_T2T = 0x00, /* Device configured for T2T Digital 1.1 Table 19 */
RFAL_NFCA_T4T = 0x20, /* Device configured for T4T Digital 1.1 Table 19 */
RFAL_NFCA_NFCDEP = 0x40, /* Device configured for NFC-DEP Digital 1.1 Table 19 */
RFAL_NFCA_T4T_NFCDEP = 0x60 /* Device configured for NFC-DEP and T4T Digital 1.1 Table 19 */
} rfalNfcaListenDeviceType;
/*! SENS_RES (ATQA) format Digital 1.1 6.6.3 & Table 7 */
typedef struct
{
uint8_t anticollisionInfo; /*!< SENS_RES Anticollision Information */
uint8_t platformInfo; /*!< SENS_RES Platform Information */
} rfalNfcaSensRes;
/*! SDD_REQ (Anticollision) format Digital 1.1 6.7.1 & Table 11 */
typedef struct
{
uint8_t selCmd; /*!< SDD_REQ SEL_CMD: cascade Level */
uint8_t selPar; /*!< SDD_REQ SEL_PAR: Byte Count[4b] | Bit Count[4b] (NVB: Number of Valid Bits)*/
} rfalNfcaSddReq;
/*! SDD_RES (UID CLn) format Digital 1.1 6.7.2 & Table 15 */
typedef struct
{
uint8_t nfcid1[RFAL_NFCA_CASCADE_1_UID_LEN]; /*!< NFCID1 cascade level NFCID */
uint8_t bcc; /*!< BCC Exclusive-OR over first 4 bytes of SDD_RES */
} rfalNfcaSddRes;
/*! SEL_REQ (Select) format Digital 1.1 6.8.1 & Table 17 */
typedef struct
{
uint8_t selCmd; /*!< SDD_REQ SEL_CMD: cascade Level */
uint8_t selPar; /*!< SDD_REQ SEL_PAR: Byte Count[4b] | Bit Count[4b] (NVB: Number of Valid Bits)*/
uint8_t nfcid1[RFAL_NFCA_CASCADE_1_UID_LEN]; /*!< NFCID1 data */
uint8_t bcc; /*!< Checksum calculated as exclusive-OR over the 4 bytes of NFCID1 CLn */
} rfalNfcaSelReq;
/*! SEL_RES (SAK) format Digital 1.1 6.8.2 & Table 19 */
typedef struct
{
uint8_t sak; /*!< Select Acknowledge */
} rfalNfcaSelRes;
/*! NFC-A listener device (PICC) struct */
typedef struct
{
rfalNfcaListenDeviceType type; /*!< NFC-A Listen device type */
rfalNfcaSensRes sensRes; /*!< SENS_RES (ATQA) */
rfalNfcaSelRes selRes; /*!< SEL_RES (SAK) */
uint8_t nfcId1Len; /*!< NFCID1 Length */
uint8_t nfcId1[RFAL_NFCA_CASCADE_3_UID_LEN]; /*!< NFCID1 (UID) */
#ifdef RFAL_FEATURE_T1T
rfalT1TRidRes ridRes; /*!< RID_RES */
#endif /* RFAL_FEATURE_T1T */
bool isSleep; /*!< Device sleeping flag */
} rfalNfcaListenDevice;
/*
******************************************************************************
* GLOBAL FUNCTION PROTOTYPES
******************************************************************************
*/
/*!
*****************************************************************************
* \brief Initialize NFC-A Poller mode
*
* This methods configures RFAL RF layer to perform as a
* NFC-A Poller/RW (ISO14443A PCD) including all default timings and bit rate
* to 106 kbps
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcaPollerInitialize( void );
/*!
*****************************************************************************
* \brief NFC-A Poller Check Presence
*
* This method checks if a NFC-A Listen device (PICC) is present on the field
* by sending an ALL_REQ (WUPA) or SENS_REQ (REQA)
*
* \param[in] cmd : Indicate if to send an ALL_REQ or a SENS_REQ
* \param[out] sensRes : If received, the SENS_RES
*
* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \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, one or more device in the field
* \return ERR_TIMEOUT : Timeout error, no listener device detected
* \return ERR_NONE : No error, one or more device in the field
*****************************************************************************
*/
ReturnCode rfalNfcaPollerCheckPresence( rfal14443AShortFrameCmd cmd, rfalNfcaSensRes *sensRes );
/*!
*****************************************************************************
* \brief NFC-A Poller Select
*
* This method selects a NFC-A Listener device (PICC)
*
* \param[in] nfcid1 : Listener device NFCID1 to be selected
* \param[in] nfcidLen : Length of the NFCID1 to be selected
* \param[out] selRes : pointer to place the SEL_RES
*
* \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 rfalNfcaPollerSelect( const uint8_t *nfcid1, uint8_t nfcidLen, rfalNfcaSelRes *selRes );
/*!
*****************************************************************************
* \brief NFC-A Poller Sleep
*
* This method sends a SLP_REQ (HLTA)
* No response is expected afterwards Digital 1.1 6.9.2.1
*
* \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 rfalNfcaPollerSleep( void );
/*!
*****************************************************************************
* \brief NFC-A Technology Detection
*
* This method performs NFC-A Technology Detection as defined in the spec
* given in the compliance mode
*
* \param[in] compMode : compliance mode to be performed
* \param[out] sensRes : location to store the SENS_RES, if received
*
* When compMode is set to ISO compliance a SLP_REQ (HLTA) is not sent
* after detection. When set to EMV a ALL_REQ (WUPA) is sent instead of
* a SENS_REQ (REQA)
*
* \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 rfalNfcaPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcaSensRes *sensRes );
/*!
*****************************************************************************
* \brief NFC-A Poller Collision Resolution
*
* Collision resolution for one NFC-A Listener device/card (PICC) as
* defined in Activity 2.1 9.3.4
*
* This method executes anti collision loop and select the device with higher NFCID1
*
* When devLimit = 0 it is configured to perform collision detection only. Once a collision
* is detected the collision resolution is aborted immidiatly. If only one device is found
* with no collisions, it will properly resolved.
*
* \param[in] devLimit : device limit value (CON_DEVICES_LIMIT)
* \param[out] collPending : pointer to collision pending flag (INT_COLL_PEND)
* \param[out] selRes : location to store the last Select Response from listener device (PICC)
* \param[out] nfcId1 : location to store the NFCID1 (UID), ensure RFAL_NFCA_CASCADE_3_UID_LEN
* \param[out] nfcId1Len : pointer to length of NFCID1 (UID)
*
* \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 : Card length invalid
* \return ERR_IGNORE : conDevLimit is 0 and there is a collision
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcaPollerSingleCollisionResolution( uint8_t devLimit, bool *collPending, rfalNfcaSelRes *selRes, uint8_t *nfcId1, uint8_t *nfcId1Len );
/*!
*****************************************************************************
* \brief NFC-A Poller Full Collision Resolution
*
* Performs a full Collision resolution as defined in Activity 2.1 9.3.4
*
* \param[in] compMode : compliance mode to be performed
* \param[in] devLimit : device limit value, and size nfcaDevList
* \param[out] nfcaDevList : NFC-A listener device info
* \param[out] devCnt : Devices found counter
*
* When compMode is set to ISO compliance it assumes that the device is
* not sleeping and therefore no ALL_REQ (WUPA) is sent at the beginning.
* When compMode is set to NFC compliance an additional ALL_REQ (WUPA) is sent
* at the beginning.
*
*
* When devLimit = 0 it is configured to perform collision detection only. Once a collision
* is detected the collision resolution is aborted immidiatly. If only one device is found
* with no collisions, it will properly resolved.
*
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcaPollerFullCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt );
/*!
*****************************************************************************
* \brief NFC-A Poller Full Collision Resolution with Sleep
*
* Performs a full Collision resolution similar to rfalNfcaPollerFullCollisionResolution
* but an additional SLP_REQ (HLTA) -> SENS_RES (REQA) is sent regardless if there
* was a collision.
* This proprietary behaviour ensures proper activation of certain devices that suffer
* from influence of Type B commands as foreseen in ISO14443-3 5.2.3 or were somehow
* not detected by the first round of collision resolution
*
* \param[in] devLimit : device limit value, and size nfcaDevList
* \param[out] nfcaDevList : NFC-A 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_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcaPollerSleepFullCollisionResolution( uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt );
/*!
*****************************************************************************
* \brief NFC-A Poller Start Full Collision Resolution
*
* This method starts the full Collision resolution as defined
* in Activity 1.0 or 1.1 9.3.4
*
* \param[in] compMode : compliance mode to be performed
* \param[in] devLimit : device limit value, and size nfcaDevList
* \param[out] nfcaDevList : NFC-A listener device info
* \param[out] devCnt : Devices found counter
*
* When compMode is set to ISO compliance it assumes that the device is
* not sleeping and therefore no ALL_REQ (WUPA) is sent at the beginning.
* When compMode is set to NFC compliance an additional ALL_REQ (WUPA) is sent at
* the beginning.
*
*
* When devLimit = 0 it is configured to perform collision detection only. Once a collision
* is detected the collision resolution is aborted immidiatly. If only one device is found
* with no collisions, it will properly resolved.
*
*
* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
* \return ERR_PARAM : Invalid parameters
* \return ERR_IO : Generic internal error
* \return ERR_NONE : No error
*****************************************************************************
*/
ReturnCode rfalNfcaPollerStartFullCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt );
/*!
*****************************************************************************
* \brief NFC-A Get Full Collision Resolution Status
*
* Returns the Collision Resolution status
*
* \return ERR_BUSY : Operation is ongoing
* \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 rfalNfcaPollerGetFullCollisionResolutionStatus( void );
/*!
*****************************************************************************
* \brief NFC-A Listener is SLP_REQ
*
* Checks if the given buffer contains valid NFC-A SLP_REQ (HALT)
*
* \param[in] buf: buffer containing data
* \param[in] bufLen: length of the data in buffer to be checked
*
* \return true if data in buf contains a SLP_REQ ; false otherwise
*****************************************************************************
*/
bool rfalNfcaListenerIsSleepReq( const uint8_t *buf, uint16_t bufLen );
#endif /* RFAL_NFCA_H */
/**
* @}
*
* @}
*
* @}
*/
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