465 lines
21 KiB
C
Executable File
465 lines
21 KiB
C
Executable File
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/******************************************************************************
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* \attention
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*
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* <h2><center>© COPYRIGHT 2020 STMicroelectronics</center></h2>
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*
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* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* www.st.com/myliberty
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
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* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/*
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* PROJECT: ST25R391x firmware
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* Revision:
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* LANGUAGE: ISO C99
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*/
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/*! \file rfal_nfca.h
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*
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* \author Gustavo Patricio
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*
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* \brief Provides several NFC-A convenience methods and definitions
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*
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* It provides a Poller (ISO14443A PCD) interface and as well as
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* some NFC-A Listener (ISO14443A PICC) helpers.
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*
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* The definitions and helpers methods provided by this module are only
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* up to ISO14443-3 layer
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*
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*
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* An usage example is provided here: \ref exampleRfalNfca.c
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* \example exampleRfalNfca.c
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*
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*
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* \addtogroup RFAL
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* @{
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*
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* \addtogroup RFAL-AL
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* \brief RFAL Abstraction Layer
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* @{
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*
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* \addtogroup NFC-A
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* \brief RFAL NFC-A Module
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* @{
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*
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*/
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#ifndef RFAL_NFCA_H
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#define RFAL_NFCA_H
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/*
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******************************************************************************
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* INCLUDES
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******************************************************************************
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*/
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#include "platform.h"
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#include "st_errno.h"
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#include "rfal_rf.h"
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#include "rfal_t1t.h"
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/*
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******************************************************************************
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* GLOBAL DEFINES
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******************************************************************************
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*/
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#define RFAL_NFCA_CASCADE_1_UID_LEN 4U /*!< UID length of cascade level 1 only tag */
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#define RFAL_NFCA_CASCADE_2_UID_LEN 7U /*!< UID length of cascade level 2 only tag */
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#define RFAL_NFCA_CASCADE_3_UID_LEN 10U /*!< UID length of cascade level 3 only tag */
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#define RFAL_NFCA_SENS_RES_PLATFORM_MASK 0x0FU /*!< SENS_RES (ATQA) platform configuration mask Digital 1.1 Table 10 */
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#define RFAL_NFCA_SENS_RES_PLATFORM_T1T 0x0CU /*!< SENS_RES (ATQA) T1T platform configuration Digital 1.1 Table 10 */
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#define RFAL_NFCA_SEL_RES_CONF_MASK 0x60U /*!< SEL_RES (SAK) platform configuration mask Digital 1.1 Table 19 */
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#define RFAL_NFCA_SEL_RES_CONF_T2T 0x00U /*!< SEL_RES (SAK) T2T configuration Digital 1.1 Table 19 */
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#define RFAL_NFCA_SEL_RES_CONF_T4T 0x20U /*!< SEL_RES (SAK) T4T configuration Digital 1.1 Table 19 */
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#define RFAL_NFCA_SEL_RES_CONF_NFCDEP 0x40U /*!< SEL_RES (SAK) NFC-DEP configuration Digital 1.1 Table 19 */
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#define RFAL_NFCA_SEL_RES_CONF_T4T_NFCDEP 0x60U /*!< SEL_RES (SAK) T4T and NFC-DEP configuration Digital 1.1 Table 19 */
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/*! NFC-A minimum FDT(listen) = ((n * 128 + (84)) / fc) with n_min = 9 Digital 1.1 6.10.1
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* = (1236)/fc
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* Relax with 3etu: (3*128)/fc as with multiple NFC-A cards, response may take longer (JCOP cards)
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* = (1236 + 384)/fc = 1620 / fc */
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#define RFAL_NFCA_FDTMIN 1620U
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/*
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******************************************************************************
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* GLOBAL MACROS
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******************************************************************************
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*/
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/*! Checks if device is a T1T given its SENS_RES */
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#define rfalNfcaIsSensResT1T( sensRes ) ((((rfalNfcaSensRes*)(sensRes))->platformInfo & RFAL_NFCA_SENS_RES_PLATFORM_MASK) == RFAL_NFCA_SENS_RES_PLATFORM_T1T )
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/*! Checks if device is a T2T given its SENS_RES */
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#define rfalNfcaIsSelResT2T( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T2T )
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/*! Checks if device is a T4T given its SENS_RES */
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#define rfalNfcaIsSelResT4T( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T4T )
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/*! Checks if device supports NFC-DEP protocol given its SENS_RES */
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#define rfalNfcaIsSelResNFCDEP( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_NFCDEP )
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/*! Checks if device supports ISO-DEP and NFC-DEP protocol given its SENS_RES */
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#define rfalNfcaIsSelResT4TNFCDEP( selRes ) ((((rfalNfcaSelRes*)(selRes))->sak & RFAL_NFCA_SEL_RES_CONF_MASK) == RFAL_NFCA_SEL_RES_CONF_T4T_NFCDEP )
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/*! Checks if a NFC-A listener device supports multiple protocols (ISO-DEP and NFC-DEP) */
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#define rfalNfcaLisDevIsMultiProto( lisDev ) (((rfalNfcaListenDevice*)(lisDev))->type == RFAL_NFCA_T4T_NFCDEP )
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/*
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******************************************************************************
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* GLOBAL TYPES
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******************************************************************************
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*/
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/*! NFC-A Listen device types */
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typedef enum {
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RFAL_NFCA_T1T = 0x01, /* Device configured for T1T Digital 1.1 Table 9 */
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RFAL_NFCA_T2T = 0x00, /* Device configured for T2T Digital 1.1 Table 19 */
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RFAL_NFCA_T4T = 0x20, /* Device configured for T4T Digital 1.1 Table 19 */
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RFAL_NFCA_NFCDEP = 0x40, /* Device configured for NFC-DEP Digital 1.1 Table 19 */
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RFAL_NFCA_T4T_NFCDEP = 0x60 /* Device configured for NFC-DEP and T4T Digital 1.1 Table 19 */
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} rfalNfcaListenDeviceType;
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/*! SENS_RES (ATQA) format Digital 1.1 6.6.3 & Table 7 */
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typedef struct
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{
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uint8_t anticollisionInfo; /*!< SENS_RES Anticollision Information */
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uint8_t platformInfo; /*!< SENS_RES Platform Information */
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} rfalNfcaSensRes;
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/*! SDD_REQ (Anticollision) format Digital 1.1 6.7.1 & Table 11 */
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typedef struct
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{
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uint8_t selCmd; /*!< SDD_REQ SEL_CMD: cascade Level */
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uint8_t selPar; /*!< SDD_REQ SEL_PAR: Byte Count[4b] | Bit Count[4b] (NVB: Number of Valid Bits)*/
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} rfalNfcaSddReq;
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/*! SDD_RES (UID CLn) format Digital 1.1 6.7.2 & Table 15 */
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typedef struct
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{
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uint8_t nfcid1[RFAL_NFCA_CASCADE_1_UID_LEN]; /*!< NFCID1 cascade level NFCID */
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uint8_t bcc; /*!< BCC Exclusive-OR over first 4 bytes of SDD_RES */
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} rfalNfcaSddRes;
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/*! SEL_REQ (Select) format Digital 1.1 6.8.1 & Table 17 */
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typedef struct
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{
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uint8_t selCmd; /*!< SDD_REQ SEL_CMD: cascade Level */
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uint8_t selPar; /*!< SDD_REQ SEL_PAR: Byte Count[4b] | Bit Count[4b] (NVB: Number of Valid Bits)*/
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uint8_t nfcid1[RFAL_NFCA_CASCADE_1_UID_LEN]; /*!< NFCID1 data */
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uint8_t bcc; /*!< Checksum calculated as exclusive-OR over the 4 bytes of NFCID1 CLn */
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} rfalNfcaSelReq;
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/*! SEL_RES (SAK) format Digital 1.1 6.8.2 & Table 19 */
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typedef struct
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{
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uint8_t sak; /*!< Select Acknowledge */
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} rfalNfcaSelRes;
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/*! NFC-A listener device (PICC) struct */
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typedef struct
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{
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rfalNfcaListenDeviceType type; /*!< NFC-A Listen device type */
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rfalNfcaSensRes sensRes; /*!< SENS_RES (ATQA) */
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rfalNfcaSelRes selRes; /*!< SEL_RES (SAK) */
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uint8_t nfcId1Len; /*!< NFCID1 Length */
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uint8_t nfcId1[RFAL_NFCA_CASCADE_3_UID_LEN]; /*!< NFCID1 (UID) */
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#ifdef RFAL_FEATURE_T1T
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rfalT1TRidRes ridRes; /*!< RID_RES */
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#endif /* RFAL_FEATURE_T1T */
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bool isSleep; /*!< Device sleeping flag */
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} rfalNfcaListenDevice;
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/*
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******************************************************************************
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* GLOBAL FUNCTION PROTOTYPES
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******************************************************************************
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*/
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/*!
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*****************************************************************************
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* \brief Initialize NFC-A Poller mode
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*
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* This methods configures RFAL RF layer to perform as a
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* NFC-A Poller/RW (ISO14443A PCD) including all default timings and bit rate
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* to 106 kbps
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
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* \return ERR_NONE : No error
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerInitialize( void );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Check Presence
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*
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* This method checks if a NFC-A Listen device (PICC) is present on the field
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* by sending an ALL_REQ (WUPA) or SENS_REQ (REQA)
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*
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* \param[in] cmd : Indicate if to send an ALL_REQ or a SENS_REQ
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* \param[out] sensRes : If received, the SENS_RES
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_RF_COLLISION : Collision detected one or more device in the field
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* \return ERR_PAR : Parity error detected, one or more device in the field
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* \return ERR_CRC : CRC error detected, one or more device in the field
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* \return ERR_FRAMING : Framing error detected, one or more device in the field
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* \return ERR_PROTO : Protocol error detected, one or more device in the field
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* \return ERR_TIMEOUT : Timeout error, no listener device detected
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* \return ERR_NONE : No error, one or more device in the field
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerCheckPresence( rfal14443AShortFrameCmd cmd, rfalNfcaSensRes *sensRes );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Select
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*
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* This method selects a NFC-A Listener device (PICC)
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*
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* \param[in] nfcid1 : Listener device NFCID1 to be selected
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* \param[in] nfcidLen : Length of the NFCID1 to be selected
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* \param[out] selRes : pointer to place the SEL_RES
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_TIMEOUT : Timeout error
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* \return ERR_PAR : Parity error detected
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* \return ERR_CRC : CRC error detected
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* \return ERR_FRAMING : Framing error detected
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* \return ERR_PROTO : Protocol error detected
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* \return ERR_NONE : No error, SEL_RES received
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerSelect( const uint8_t *nfcid1, uint8_t nfcidLen, rfalNfcaSelRes *selRes );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Sleep
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*
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* This method sends a SLP_REQ (HLTA)
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* No response is expected afterwards Digital 1.1 6.9.2.1
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_NONE : No error
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerSleep( void );
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/*!
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*****************************************************************************
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* \brief NFC-A Technology Detection
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*
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* This method performs NFC-A Technology Detection as defined in the spec
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* given in the compliance mode
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*
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* \param[in] compMode : compliance mode to be performed
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* \param[out] sensRes : location to store the SENS_RES, if received
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*
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* When compMode is set to ISO compliance a SLP_REQ (HLTA) is not sent
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* after detection. When set to EMV a ALL_REQ (WUPA) is sent instead of
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* a SENS_REQ (REQA)
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_NONE : No error, one or more device in the field
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcaSensRes *sensRes );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Collision Resolution
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*
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* Collision resolution for one NFC-A Listener device/card (PICC) as
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* defined in Activity 2.1 9.3.4
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*
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* This method executes anti collision loop and select the device with higher NFCID1
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*
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* When devLimit = 0 it is configured to perform collision detection only. Once a collision
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* is detected the collision resolution is aborted immidiatly. If only one device is found
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* with no collisions, it will properly resolved.
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*
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* \param[in] devLimit : device limit value (CON_DEVICES_LIMIT)
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* \param[out] collPending : pointer to collision pending flag (INT_COLL_PEND)
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* \param[out] selRes : location to store the last Select Response from listener device (PICC)
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* \param[out] nfcId1 : location to store the NFCID1 (UID), ensure RFAL_NFCA_CASCADE_3_UID_LEN
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* \param[out] nfcId1Len : pointer to length of NFCID1 (UID)
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_PROTO : Card length invalid
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* \return ERR_IGNORE : conDevLimit is 0 and there is a collision
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* \return ERR_NONE : No error
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerSingleCollisionResolution( uint8_t devLimit, bool *collPending, rfalNfcaSelRes *selRes, uint8_t *nfcId1, uint8_t *nfcId1Len );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Full Collision Resolution
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*
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* Performs a full Collision resolution as defined in Activity 2.1 9.3.4
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*
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* \param[in] compMode : compliance mode to be performed
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* \param[in] devLimit : device limit value, and size nfcaDevList
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* \param[out] nfcaDevList : NFC-A listener device info
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* \param[out] devCnt : Devices found counter
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*
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* When compMode is set to ISO compliance it assumes that the device is
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* not sleeping and therefore no ALL_REQ (WUPA) is sent at the beginning.
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* When compMode is set to NFC compliance an additional ALL_REQ (WUPA) is sent
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* at the beginning.
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*
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*
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* When devLimit = 0 it is configured to perform collision detection only. Once a collision
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* is detected the collision resolution is aborted immidiatly. If only one device is found
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* with no collisions, it will properly resolved.
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*
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_NONE : No error
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerFullCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Full Collision Resolution with Sleep
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*
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* Performs a full Collision resolution similar to rfalNfcaPollerFullCollisionResolution
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* but an additional SLP_REQ (HLTA) -> SENS_RES (REQA) is sent regardless if there
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* was a collision.
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* This proprietary behaviour ensures proper activation of certain devices that suffer
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* from influence of Type B commands as foreseen in ISO14443-3 5.2.3 or were somehow
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* not detected by the first round of collision resolution
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*
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* \param[in] devLimit : device limit value, and size nfcaDevList
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* \param[out] nfcaDevList : NFC-A listener device info
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* \param[out] devCnt : Devices found counter
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*
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_NONE : No error
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerSleepFullCollisionResolution( uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt );
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/*!
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*****************************************************************************
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* \brief NFC-A Poller Start Full Collision Resolution
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*
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* This method starts the full Collision resolution as defined
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* in Activity 1.0 or 1.1 9.3.4
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*
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* \param[in] compMode : compliance mode to be performed
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* \param[in] devLimit : device limit value, and size nfcaDevList
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* \param[out] nfcaDevList : NFC-A listener device info
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* \param[out] devCnt : Devices found counter
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*
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* When compMode is set to ISO compliance it assumes that the device is
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* not sleeping and therefore no ALL_REQ (WUPA) is sent at the beginning.
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* When compMode is set to NFC compliance an additional ALL_REQ (WUPA) is sent at
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* the beginning.
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*
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*
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* When devLimit = 0 it is configured to perform collision detection only. Once a collision
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* is detected the collision resolution is aborted immidiatly. If only one device is found
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* with no collisions, it will properly resolved.
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*
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*
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* \return ERR_WRONG_STATE : RFAL not initialized or mode not set
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_NONE : No error
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerStartFullCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcaListenDevice *nfcaDevList, uint8_t *devCnt );
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/*!
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*****************************************************************************
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* \brief NFC-A Get Full Collision Resolution Status
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*
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* Returns the Collision Resolution status
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*
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* \return ERR_BUSY : Operation is ongoing
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* \return ERR_WRONG_STATE : RFAL not initialized or incorrect mode
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* \return ERR_PARAM : Invalid parameters
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* \return ERR_IO : Generic internal error
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* \return ERR_TIMEOUT : Timeout error
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* \return ERR_PAR : Parity error detected
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* \return ERR_CRC : CRC error detected
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* \return ERR_FRAMING : Framing error detected
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* \return ERR_PROTO : Protocol error detected
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* \return ERR_NONE : No error, activation successful
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*****************************************************************************
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*/
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ReturnCode rfalNfcaPollerGetFullCollisionResolutionStatus( void );
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/*!
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*****************************************************************************
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* \brief NFC-A Listener is SLP_REQ
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*
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* Checks if the given buffer contains valid NFC-A SLP_REQ (HALT)
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*
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* \param[in] buf: buffer containing data
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* \param[in] bufLen: length of the data in buffer to be checked
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*
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* \return true if data in buf contains a SLP_REQ ; false otherwise
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*****************************************************************************
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*/
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bool rfalNfcaListenerIsSleepReq( const uint8_t *buf, uint16_t bufLen );
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#endif /* RFAL_NFCA_H */
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/**
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* @}
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*
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* @}
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*
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* @}
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*/
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