ST Expansion SW Team
RFAL library for the STMicroelectronics X-NUCLEO-NFC05A1
Diff: rfal_nfcb.cpp
- Revision:
- 0:75fc82583a41
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rfal_nfcb.cpp Thu Nov 14 14:34:50 2019 +0000
@@ -0,0 +1,502 @@
+
+/******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2016 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:
+ *
+ * http://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.c
+ *
+ * \author Gustavo Patricio
+ *
+ * \brief Implementation of NFC-B (ISO14443B) helpers
+ *
+ */
+
+/*
+ ******************************************************************************
+ * INCLUDES
+ ******************************************************************************
+ */
+#include <platform1.h>
+#include "rfal_nfcb.h"
+#include "utils.h"
+
+
+/*
+ ******************************************************************************
+ * ENABLE SWITCH
+ ******************************************************************************
+ */
+
+#ifndef RFAL_FEATURE_NFCB
+ #error " RFAL: Module configuration missing. Please enable/disable NFC-B module by setting: RFAL_FEATURE_NFCB "
+#endif
+
+#if RFAL_FEATURE_NFCB
+
+/*
+ ******************************************************************************
+ * GLOBAL DEFINES
+ ******************************************************************************
+ */
+
+#define RFAL_NFCB_SENSB_REQ_EXT_SENSB_RES_SUPPORTED 0x10 /*!< Bit mask for Extended SensB Response support in SENSB_REQ */
+#define RFAL_NFCB_SENSB_RES_PROT_TYPE_RFU 0x08 /*!< Bit mask for Protocol Type RFU in SENSB_RES */
+#define RFAL_NFCB_SLOT_MARKER_SC_SHIFT 4 /*!< Slot Code position on SLOT_MARKER APn */
+
+#define RFAL_NFCB_SLOTMARKER_SLOTCODE_MIN 1 /*!< SLOT_MARKER Slot Code minimum Digital 1.1 Table 37 */
+#define RFAL_NFCB_SLOTMARKER_SLOTCODE_MAX 16 /*!< SLOT_MARKER Slot Code maximum Digital 1.1 Table 37 */
+
+#define RFAL_NFCB_ACTIVATION_FWT (RFAL_NFCB_FWTSENSB + RFAL_NFCB_DFWT_10) /*!< FWT(SENSB) + dFWT Digital 1.1 7.9.1.5 */
+
+/*! Advanced and Extended bit mask in Parameter of SENSB_REQ */
+#define RFAL_NFCB_SENSB_REQ_PARAM (RFAL_NFCB_SENSB_REQ_ADV_FEATURE | RFAL_NFCB_SENSB_REQ_EXT_SENSB_RES_SUPPORTED)
+
+
+/*! NFC-B commands definition */
+static enum
+{
+ RFAL_NFCB_CMD_SENSB_REQ = 0x05, /*!< SENSB_REQ (REQB) & SLOT_MARKER Digital 1.1 Table 24 */
+ RFAL_NFCB_CMD_SENSB_RES = 0x50, /*!< SENSB_RES (ATQB) & SLOT_MARKER Digital 1.1 Table 27 */
+ RFAL_NFCB_CMD_SLPB_REQ = 0x50, /*!< SLPB_REQ (HLTB command) Digital 1.1 Table 38 */
+ RFAL_NFCB_CMD_SLPB_RES = 0x00 /*!< SLPB_RES (HLTB Answer) Digital 1.1 Table 39 */
+}rfalCmd;
+
+/*
+ ******************************************************************************
+ * GLOBAL MACROS
+ ******************************************************************************
+ */
+
+#define rfalNfcbNI2NumberOfSlots( ni ) (1 << ni) /*!< Converts the Number of slots Identifier to slot number*/
+
+/*
+******************************************************************************
+* GLOBAL TYPES
+******************************************************************************
+*/
+
+/*! ALLB_REQ (WUPB) and SENSB_REQ (REQB) Command Format Digital 1.1 7.6.1 */
+typedef struct
+{
+ uint8_t cmd; /*!< xxxxB_REQ: 05h */
+ uint8_t AFI; /*!< NFC Identifier */
+ uint8_t PARAM; /*!< Application Data */
+} rfalNfcbSensbReq;
+
+/*! SLOT_MARKER Command format Digital 1.1 7.7.1 */
+typedef struct
+{
+ uint8_t APn; /*!< Slot number 2..16 | 0101b */
+} rfalNfcbSlotMarker;
+
+/*! SLPB_REQ (HLTB) Command Format Digital 1.1 7.8.1 */
+typedef struct
+{
+ uint8_t cmd; /*!< SLPB_REQ: 50h */
+ uint8_t nfcid0[RFAL_NFCB_NFCID0_LEN]; /*!< NFC Identifier (PUPI)*/
+} rfalNfcbSlpbReq;
+
+
+/*! SLPB_RES (HLTB) Response Format Digital 1.1 7.8.2 */
+typedef struct
+{
+ uint8_t cmd; /*!< SLPB_RES: 00h */
+} rfalNfcbSlpbRes;
+
+
+/*! RFAL NFC-B instance */
+typedef struct
+{
+ uint8_t AFI; /*!< AFI to be used */
+ uint8_t PARAM; /*!< PARAM to be used */
+} rfalNfcb;
+
+/*
+******************************************************************************
+* LOCAL FUNCTION PROTOTYPES
+******************************************************************************
+*/
+static ReturnCode rfalNfcbCheckSensbRes( rfalNfcbSensbRes *sensbRes, uint8_t sensbResLen );
+
+
+/*
+******************************************************************************
+* LOCAL VARIABLES
+******************************************************************************
+*/
+/*! TR2 Table according to Digital 1.1 Table 33 */
+static const uint16_t rfalNfcbTr2Table[] = { 1792, 3328, 5376, 9472 };
+
+rfalNfcb gRfalNfcb; /*!< RFAL NFC-B Instance */
+
+
+/*
+******************************************************************************
+* LOCAL FUNCTIONS
+******************************************************************************
+*/
+
+/*******************************************************************************/
+static ReturnCode rfalNfcbCheckSensbRes( rfalNfcbSensbRes *sensbRes, uint8_t sensbResLen )
+{
+ /* Check response length */
+ if( ( (sensbResLen != RFAL_NFCB_SENSB_RES_LEN) && (sensbResLen != RFAL_NFCB_SENSB_RES_EXT_LEN) ) )
+ {
+ return ERR_PROTO;
+ }
+
+ /* Check SENSB_RES and Protocol Type Digital 1.1 7.6.2.19 */
+ if( (sensbRes->protInfo.FsciProType & RFAL_NFCB_SENSB_RES_PROT_TYPE_RFU) || (sensbRes->cmd != RFAL_NFCB_CMD_SENSB_RES) )
+ {
+ return ERR_PROTO;
+ }
+ return ERR_NONE;
+}
+
+/*
+******************************************************************************
+* GLOBAL FUNCTIONS
+******************************************************************************
+*/
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerInitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ ReturnCode ret;
+
+ EXIT_ON_ERR( ret, rfalSetMode( RFAL_MODE_POLL_NFCB, RFAL_BR_106, RFAL_BR_106, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
+ rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC );
+
+ rfalSetGT( RFAL_GT_NFCB );
+ rfalSetFDTListen( RFAL_FDT_LISTEN_NFCB_POLLER );
+ rfalSetFDTPoll( RFAL_FDT_POLL_NFCB_POLLER );
+
+ gRfalNfcb.AFI = RFAL_NFCB_AFI;
+ gRfalNfcb.PARAM = RFAL_NFCB_PARAM;
+
+ return ERR_NONE;
+}
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerInitializeWithParams( uint8_t AFI, uint8_t PARAM, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ ReturnCode ret;
+
+ EXIT_ON_ERR( ret, rfalNfcbPollerInitialize( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
+
+ gRfalNfcb.AFI = AFI;
+ gRfalNfcb.PARAM = (PARAM & RFAL_NFCB_SENSB_REQ_PARAM);
+
+ return ERR_NONE;
+}
+
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerCheckPresence( rfalNfcbSensCmd cmd, rfalNfcbSlots slots, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ uint16_t rxLen;
+ ReturnCode ret;
+ rfalNfcbSensbReq sensbReq;
+
+
+ /* Check if the command requested and given the slot number are valid */
+ if( ((RFAL_NFCB_SENS_CMD_SENSB_REQ != cmd) && (RFAL_NFCB_SENS_CMD_ALLB_REQ != cmd)) ||
+ (slots > RFAL_NFCB_SLOT_NUM_16) || (sensbRes == NULL) || (sensbResLen == NULL) )
+ {
+ return ERR_PARAM;
+ }
+
+ *sensbResLen = 0;
+ ST_MEMSET(sensbRes, 0x00, sizeof(rfalNfcbSensbRes) );
+
+ /* Compute SENSB_REQ */
+ sensbReq.cmd = RFAL_NFCB_CMD_SENSB_REQ;
+ sensbReq.AFI = gRfalNfcb.AFI;
+ sensbReq.PARAM = ((gRfalNfcb.PARAM & RFAL_NFCB_SENSB_REQ_PARAM) | cmd | slots);
+
+ /* Send SENSB_REQ and disable AGC to detect collisions */
+ ret = rfalTransceiveBlockingTxRx( (uint8_t*)&sensbReq, sizeof(rfalNfcbSensbReq), (uint8_t*)sensbRes, sizeof(rfalNfcbSensbRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCB_FWTSENSB, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ *sensbResLen = rxLen;
+
+ /* Check if a transmission error was detected */
+ if( (ret == ERR_CRC) || (ret == ERR_FRAMING) )
+ {
+ /* Invalidate received frame as an error was detected (CollisionResolution checks if valid) */
+ *sensbResLen = 0;
+ return ERR_NONE;
+ }
+
+ if( ret == ERR_NONE )
+ {
+ return rfalNfcbCheckSensbRes( sensbRes, *sensbResLen );
+ }
+
+ return ret;
+}
+
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerSleep( uint8_t* nfcid0, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ uint16_t rxLen;
+ ReturnCode ret;
+ rfalNfcbSlpbReq slpbReq;
+ rfalNfcbSlpbRes slpbRes;
+
+ if( nfcid0 == NULL )
+ {
+ return ERR_PARAM;
+ }
+
+ /* Compute SLPB_REQ */
+ slpbReq.cmd = RFAL_NFCB_CMD_SLPB_REQ;
+ ST_MEMCPY( slpbReq.nfcid0, nfcid0, RFAL_NFCB_NFCID0_LEN );
+
+ EXIT_ON_ERR( ret, rfalTransceiveBlockingTxRx( (uint8_t*)&slpbReq, sizeof(rfalNfcbSlpbReq), (uint8_t*)&slpbRes, sizeof(rfalNfcbSlpbRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCB_ACTIVATION_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
+
+ /* Check SLPB_RES */
+ if( (rxLen != sizeof(rfalNfcbSlpbRes)) || (slpbRes.cmd != RFAL_NFCB_CMD_SLPB_RES) )
+ {
+ return ERR_PROTO;
+ }
+ return ERR_NONE;
+}
+
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerSlotMarker( uint8_t slotCode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ ReturnCode ret;
+ rfalNfcbSlotMarker slotMarker;
+ uint16_t rxLen;
+
+ /* Check parameters */
+ if( (sensbRes == NULL) || (sensbResLen == NULL) ||
+ (slotCode < RFAL_NFCB_SLOTMARKER_SLOTCODE_MIN) ||
+ (slotCode > RFAL_NFCB_SLOTMARKER_SLOTCODE_MAX) )
+ {
+ return ERR_PARAM;
+ }
+ /* Compose and send SLOT_MARKER with disabled AGC to detect collisions */
+ slotMarker.APn = ((slotCode << RFAL_NFCB_SLOT_MARKER_SC_SHIFT) | RFAL_NFCB_CMD_SENSB_REQ);
+
+ ret = rfalTransceiveBlockingTxRx( (uint8_t*)&slotMarker, sizeof(rfalNfcbSlotMarker), (uint8_t*)sensbRes, sizeof(rfalNfcbSensbRes), &rxLen, RFAL_TXRX_FLAGS_DEFAULT, RFAL_NFCB_ACTIVATION_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ *sensbResLen = rxLen;
+
+ /* Check if a transmission error was detected */
+ if( (ret == ERR_CRC) || (ret == ERR_FRAMING) )
+ {
+ return ERR_RF_COLLISION;
+ }
+
+ if( ret == ERR_NONE )
+ {
+ return rfalNfcbCheckSensbRes( sensbRes, *sensbResLen );
+ }
+
+ return ret;
+}
+
+
+ReturnCode rfalNfcbPollerTechnologyDetection( rfalComplianceMode compMode, rfalNfcbSensbRes *sensbRes, uint8_t *sensbResLen, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ NO_WARNING(compMode);
+
+ return rfalNfcbPollerCheckPresence( RFAL_NFCB_SENS_CMD_SENSB_REQ, RFAL_NFCB_SLOT_NUM_1, sensbRes, sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+}
+
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ bool colPending; /* dummy */
+ return rfalNfcbPollerCollisionResolutionSlotted( compMode, devLimit, RFAL_NFCB_SLOT_NUM_1, RFAL_NFCB_SLOT_NUM_16, nfcbDevList, devCnt, &colPending, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+}
+
+
+/*******************************************************************************/
+ReturnCode rfalNfcbPollerCollisionResolutionSlotted( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcbSlots initSlots, rfalNfcbSlots endSlots, rfalNfcbListenDevice *nfcbDevList, uint8_t *devCnt, bool *colPending, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
+{
+ ReturnCode ret;
+ rfalNfcbSlots slotsNum;
+ uint8_t slotCode;
+ uint8_t curDevCnt;
+
+
+ /* Check parameters. In ISO | Activity 1.0 mode the initial slots must be 1 as continuation of Technology Detection */
+ if( (nfcbDevList == NULL) || (devCnt == NULL) || (colPending == NULL) || (initSlots > RFAL_NFCB_SLOT_NUM_16) ||
+ (endSlots > RFAL_NFCB_SLOT_NUM_16) || ((compMode == RFAL_COMPLIANCE_MODE_ISO) && (initSlots != RFAL_NFCB_SLOT_NUM_1)) )
+ {
+ return ERR_PARAM;
+ }
+
+ /* Initialise as no error in case Activity 1.0 where the previous SENSB_RES from technology detection should be used */
+ ret = ERR_NONE;
+ *devCnt = 0;
+ curDevCnt = 0;
+ *colPending = false;
+
+
+ /* Send ALLB_REQ Activity 1.1 9.3.5.2 and 9.3.5.3 (Symbol 1 and 2) */
+ if( compMode != RFAL_COMPLIANCE_MODE_ISO )
+ {
+ ret = rfalNfcbPollerCheckPresence( RFAL_NFCB_SENS_CMD_ALLB_REQ, initSlots, &nfcbDevList->sensbRes, &nfcbDevList->sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ if( (ret != ERR_NONE) && (initSlots == RFAL_NFCB_SLOT_NUM_1) )
+ {
+ return ret;
+ }
+ }
+
+
+ /* Check if there was a transmission error on WUPB EMVCo 2.6 9.3.3.1 */
+ if( (compMode == RFAL_COMPLIANCE_MODE_EMV) && (nfcbDevList->sensbResLen == 0) )
+ {
+ return ERR_FRAMING;
+ }
+ //(int)slotsNum = (int)initSlots; (int)slotsNum <= (int)endSlots; ((int)slotsNum)++ )
+
+ for( int i = 0; i < RFAL_NFCB_SLOT_NUM_16; i++)
+ {
+ rfalNfcbSlots slotsNum = (rfalNfcbSlots) i;
+ /* Activity 1.1 9.3.5.23 - Symbol 22 */
+ if( (compMode == RFAL_COMPLIANCE_MODE_NFC) && (curDevCnt != 0) )
+ {
+ rfalNfcbPollerSleep( nfcbDevList[(*devCnt-1)].sensbRes.nfcid0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ nfcbDevList[(*devCnt-1)].isSleep = true;
+ }
+
+ /* Send SENSB_REQ with number of slots if not the first Activity 1.1 9.3.5.24 - Symbol 23 */
+ if( (slotsNum != initSlots) || *colPending )
+ {
+ ret = rfalNfcbPollerCheckPresence( RFAL_NFCB_SENS_CMD_SENSB_REQ, slotsNum, &nfcbDevList[*devCnt].sensbRes, &nfcbDevList[*devCnt].sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ }
+
+ /* Activity 1.1 9.3.5.6 - Symbol 5 */
+ slotCode = 0;
+ curDevCnt = 0;
+ *colPending = false;
+
+ do{
+ /* Activity 1.1 9.3.5.26 - Symbol 25 */
+ if( slotCode != 0 )
+ {
+ ret = rfalNfcbPollerSlotMarker( slotCode, &nfcbDevList[*devCnt].sensbRes, &nfcbDevList[*devCnt].sensbResLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ }
+
+ /* Activity 1.1 9.3.5.7 and 9.3.5.8 - Symbol 6 */
+ if( ret != ERR_TIMEOUT )
+ {
+ /* Activity 1.1 9.3.5.8 - Symbol 7 */
+ if( (ret == ERR_NONE) && (rfalNfcbCheckSensbRes( &nfcbDevList[*devCnt].sensbRes, nfcbDevList[*devCnt].sensbResLen) == ERR_NONE) )
+ {
+ nfcbDevList[*devCnt].isSleep = false;
+
+ if( compMode == RFAL_COMPLIANCE_MODE_EMV )
+ {
+ (*devCnt)++;
+ return ret;
+ }
+ else if( compMode == RFAL_COMPLIANCE_MODE_ISO )
+ {
+ /* Activity 1.0 9.3.5.8 - Symbol 7 */
+ (*devCnt)++;
+ curDevCnt++;
+
+ /* Activity 1.0 9.3.5.10 - Symbol 9 */
+ if( (*devCnt >= devLimit) || (slotsNum == RFAL_NFCB_SLOT_NUM_1) )
+ {
+ return ret;
+ }
+
+ /* Activity 1.0 9.3.5.11 - Symbol 10 */
+ rfalNfcbPollerSleep( nfcbDevList[*devCnt-1].sensbRes.nfcid0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ nfcbDevList[*devCnt-1].isSleep = true;
+ }
+ else if( compMode == RFAL_COMPLIANCE_MODE_NFC )
+ {
+ /* Activity 1.1 9.3.5.10 and 9.3.5.11 - Symbol 9 and Symbol 11*/
+ if(curDevCnt != 0)
+ {
+ rfalNfcbPollerSleep( nfcbDevList[*devCnt-1].sensbRes.nfcid0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
+ nfcbDevList[*devCnt-1].isSleep = true;
+ }
+
+ /* Activity 1.1 9.3.5.12 - Symbol 11 */
+ (*devCnt)++;
+ curDevCnt++;
+
+ /* Activity 1.1 9.3.5.6 - Symbol 13 */
+ if( (*devCnt >= devLimit) || (slotsNum == RFAL_NFCB_SLOT_NUM_1) )
+ {
+ return ret;
+ }
+ }
+ }
+ else
+ {
+ /* If deviceLimit is set to 0 the NFC Forum Device is configured to perform collision detection only Activity 1.0 and 1.1 9.3.5.5 - Symbol 4 */
+ if( (devLimit == 0) && (slotsNum == RFAL_NFCB_SLOT_NUM_1) )
+ {
+ return ERR_RF_COLLISION;
+ }
+
+ /* Activity 1.1 9.3.5.9 - Symbol 8 */
+ *colPending = true;
+ }
+ }
+
+ /* Activity 1.1 9.3.5.15 - Symbol 14 */
+ (int)slotCode++;
+ }
+ while( slotCode < rfalNfcbNI2NumberOfSlots(slotsNum) );
+
+ /* Activity 1.1 9.3.5.17 - Symbol 16 */
+ if( !(*colPending) )
+ {
+ return ERR_NONE;
+ }
+
+ /* Activity 1.1 9.3.5.18 - Symbol 17 */
+ if( curDevCnt != 0 )
+ {
+ /* If a collision is detected and card(s) were found on this loop keep the same number of available slots */
+ //((int)slotsNum)--;
+ i--;
+ }
+
+ }
+
+ return ERR_NONE;
+}
+
+
+/*******************************************************************************/
+uint32_t rfalNfcbTR2ToFDT( uint8_t tr2Code )
+{
+ return rfalNfcbTr2Table[ (tr2Code & RFAL_NFCB_SENSB_RES_PROTO_TR2_MASK) ];
+}
+
+#endif /* RFAL_FEATURE_NFCB */