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* 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
234 lines
7.5 KiB
C
234 lines
7.5 KiB
C
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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_t1t.c
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*
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* \author Gustavo Patricio
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*
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* \brief Provides NFC-A T1T convenience methods and definitions
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*
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* This module provides an interface to perform as a NFC-A Reader/Writer
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* to handle a Type 1 Tag T1T (Topaz)
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*
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*/
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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 "rfal_t1t.h"
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#include "utils.h"
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/*
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******************************************************************************
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* ENABLE SWITCH
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******************************************************************************
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*/
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#ifndef RFAL_FEATURE_T1T
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#define RFAL_FEATURE_T1T false /* T1T module configuration missing. Disabled by default */
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#endif
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#if RFAL_FEATURE_T1T
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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_T1T_DRD_READ \
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(1236U * 2U) /*!< DRD for Reads with n=9 => 1236/fc ~= 91 us T1T 1.2 4.4.2 */
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#define RFAL_T1T_DRD_WRITE \
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36052U /*!< DRD for Write with n=281 => 36052/fc ~= 2659 us T1T 1.2 4.4.2 */
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#define RFAL_T1T_DRD_WRITE_E \
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70996U /*!< DRD for Write/Erase with n=554 => 70996/fc ~= 5236 us T1T 1.2 4.4.2 */
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#define RFAL_T1T_RID_RES_HR0_VAL \
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0x10U /*!< HR0 indicating NDEF support Digital 2.0 (Candidate) 11.6.2.1 */
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#define RFAL_T1T_RID_RES_HR0_MASK \
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0xF0U /*!< HR0 most significant nibble mask */
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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 T1T (Topaz) RID_REQ Digital 1.1 10.6.1 & Table 49 */
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typedef struct {
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uint8_t cmd; /*!< T1T cmd: RID */
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uint8_t add; /*!< ADD: undefined value */
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uint8_t data; /*!< DATA: undefined value */
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uint8_t uid[RFAL_T1T_UID_LEN]; /*!< UID-echo: undefined value */
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} rfalT1TRidReq;
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/*! NFC-A T1T (Topaz) RALL_REQ T1T 1.2 Table 4 */
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typedef struct {
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uint8_t cmd; /*!< T1T cmd: RALL */
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uint8_t add1; /*!< ADD: 0x00 */
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uint8_t add0; /*!< ADD: 0x00 */
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uint8_t uid[RFAL_T1T_UID_LEN]; /*!< UID */
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} rfalT1TRallReq;
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/*! NFC-A T1T (Topaz) WRITE_REQ T1T 1.2 Table 4 */
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typedef struct {
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uint8_t cmd; /*!< T1T cmd: RALL */
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uint8_t add; /*!< ADD */
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uint8_t data; /*!< DAT */
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uint8_t uid[RFAL_T1T_UID_LEN]; /*!< UID */
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} rfalT1TWriteReq;
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/*! NFC-A T1T (Topaz) WRITE_RES T1T 1.2 Table 4 */
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typedef struct {
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uint8_t add; /*!< ADD */
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uint8_t data; /*!< DAT */
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} rfalT1TWriteRes;
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/*
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******************************************************************************
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* LOCAL FUNCTION PROTOTYPES
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******************************************************************************
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*/
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/*
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******************************************************************************
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* GLOBAL FUNCTIONS
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******************************************************************************
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*/
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ReturnCode rfalT1TPollerInitialize(void) {
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ReturnCode ret;
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EXIT_ON_ERR(ret, rfalSetMode(RFAL_MODE_POLL_NFCA_T1T, RFAL_BR_106, RFAL_BR_106));
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rfalSetErrorHandling(RFAL_ERRORHANDLING_NFC);
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rfalSetGT(
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RFAL_GT_NONE); /* T1T should only be initialized after NFC-A mode, therefore the GT has been fulfilled */
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rfalSetFDTListen(
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RFAL_FDT_LISTEN_NFCA_POLLER); /* T1T uses NFC-A FDT Listen with n=9 Digital 1.1 10.7.2 */
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rfalSetFDTPoll(RFAL_FDT_POLL_NFCA_T1T_POLLER);
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return ERR_NONE;
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}
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/*******************************************************************************/
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ReturnCode rfalT1TPollerRid(rfalT1TRidRes* ridRes) {
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ReturnCode ret;
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rfalT1TRidReq ridReq;
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uint16_t rcvdLen;
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if(ridRes == NULL) {
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return ERR_PARAM;
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}
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/* Compute RID command and set Undefined Values to 0x00 Digital 1.1 10.6.1 */
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ST_MEMSET(&ridReq, 0x00, sizeof(rfalT1TRidReq));
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ridReq.cmd = (uint8_t)RFAL_T1T_CMD_RID;
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EXIT_ON_ERR(
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ret,
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rfalTransceiveBlockingTxRx(
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(uint8_t*)&ridReq,
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sizeof(rfalT1TRidReq),
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(uint8_t*)ridRes,
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sizeof(rfalT1TRidRes),
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&rcvdLen,
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RFAL_TXRX_FLAGS_DEFAULT,
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RFAL_T1T_DRD_READ));
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/* Check expected RID response length and the HR0 Digital 2.0 (Candidate) 11.6.2.1 */
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if((rcvdLen != sizeof(rfalT1TRidRes)) ||
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((ridRes->hr0 & RFAL_T1T_RID_RES_HR0_MASK) != RFAL_T1T_RID_RES_HR0_VAL)) {
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return ERR_PROTO;
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}
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return ERR_NONE;
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}
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/*******************************************************************************/
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ReturnCode
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rfalT1TPollerRall(const uint8_t* uid, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t* rxRcvdLen) {
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rfalT1TRallReq rallReq;
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if((rxBuf == NULL) || (uid == NULL) || (rxRcvdLen == NULL)) {
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return ERR_PARAM;
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}
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/* Compute RALL command and set Add to 0x00 */
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ST_MEMSET(&rallReq, 0x00, sizeof(rfalT1TRallReq));
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rallReq.cmd = (uint8_t)RFAL_T1T_CMD_RALL;
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ST_MEMCPY(rallReq.uid, uid, RFAL_T1T_UID_LEN);
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return rfalTransceiveBlockingTxRx(
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(uint8_t*)&rallReq,
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sizeof(rfalT1TRallReq),
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(uint8_t*)rxBuf,
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rxBufLen,
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rxRcvdLen,
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RFAL_TXRX_FLAGS_DEFAULT,
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RFAL_T1T_DRD_READ);
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}
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/*******************************************************************************/
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ReturnCode rfalT1TPollerWrite(const uint8_t* uid, uint8_t address, uint8_t data) {
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rfalT1TWriteReq writeReq;
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rfalT1TWriteRes writeRes;
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uint16_t rxRcvdLen;
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ReturnCode err;
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if(uid == NULL) {
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return ERR_PARAM;
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}
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writeReq.cmd = (uint8_t)RFAL_T1T_CMD_WRITE_E;
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writeReq.add = address;
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writeReq.data = data;
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ST_MEMCPY(writeReq.uid, uid, RFAL_T1T_UID_LEN);
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err = rfalTransceiveBlockingTxRx(
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(uint8_t*)&writeReq,
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sizeof(rfalT1TWriteReq),
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(uint8_t*)&writeRes,
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sizeof(rfalT1TWriteRes),
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&rxRcvdLen,
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RFAL_TXRX_FLAGS_DEFAULT,
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RFAL_T1T_DRD_WRITE_E);
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if(err == ERR_NONE) {
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if((writeReq.add != writeRes.add) || (writeReq.data != writeRes.data) ||
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(rxRcvdLen != sizeof(rfalT1TWriteRes))) {
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return ERR_PROTO;
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}
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}
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return err;
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}
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#endif /* RFAL_FEATURE_T1T */
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