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Diff: rfal_nfcDep.h
- Revision:
- 0:75fc82583a41
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rfal_nfcDep.h Thu Nov 14 14:34:50 2019 +0000
@@ -0,0 +1,705 @@
+
+/******************************************************************************
+ * @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_nfcDep.h
+ *
+ * \author Gustavo Patricio
+ *
+ * \brief Implementation of NFC-DEP protocol
+ *
+ * NFC-DEP is also known as NFCIP - Near Field Communication
+ * Interface and Protocol
+ *
+ * This implementation was based on the following specs:
+ * - NFC Forum Digital 1.1
+ * - ECMA 340 3rd Edition 2013
+ *
+ *
+ * @addtogroup RFAL
+ * @{
+ *
+ * @addtogroup RFAL-AL
+ * @brief RFAL Abstraction Layer
+ * @{
+ *
+ * @addtogroup NFC-DEP
+ * @brief RFAL NFC-DEP Module
+ * @{
+ */
+
+#ifndef RFAL_NFCDEP_H_
+#define RFAL_NFCDEP_H_
+
+/*
+ ******************************************************************************
+ * INCLUDES
+ ******************************************************************************
+ */
+#include "platform1.h"
+#include "st_errno.h"
+#include "rfal_rf.h"
+
+
+/*
+ ******************************************************************************
+ * DEFINES
+ ******************************************************************************
+ */
+#define RFAL_NFCDEP_FRAME_SIZE_MAX_LEN 254 /*!< NFCIP Maximum Frame Size Digital 1.0 Table 91 */
+#define RFAL_NFCDEP_DEPREQ_HEADER_LEN 5 /*!< DEP_REQ header length: CMD_TYPE + CMD_CMD + PBF + DID + NAD */
+
+
+
+/*! Length NFCIP DEP REQ or RES header (incl LEN) */
+#define RFAL_NFCDEP_DEP_HEADER ( RFAL_NFCDEP_LEN_LEN + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN + RFAL_NFCDEP_DEP_PFB_LEN )
+#define RFAL_NFCDEP_HEADER ( RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN ) /*!< NFCIP header length */
+#define RFAL_NFCDEP_SB_LEN 1 /*!< SB length on NFCIP fram for NFC-A */
+#define RFAL_NFCDEP_LEN_LEN 1 /*!< LEN length on NFCIP frame */
+#define RFAL_NFCDEP_CMDTYPE_LEN 1 /*!< Length of the cmd type (REQ | RES) on NFCIP frame */
+#define RFAL_NFCDEP_CMD_LEN 1 /*!< Length of the cmd on NFCIP frame */
+#define RFAL_NFCDEP_DID_LEN 1 /*!< Length of did on NFCIP frame */
+#define RFAL_NFCDEP_DEP_PFB_LEN 1 /*!< Length of the PFB field on NFCIP frame */
+
+#define RFAL_NFCDEP_DSL_RLS_LEN_NO_DID (RFAL_NFCDEP_LEN_LEN + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN) /*!< Length of DSL_REQ and RLS_REQ with no DID */
+#define RFAL_NFCDEP_DSL_RLS_LEN_DID (RFAL_NFCDEP_DSL_RLS_LEN_NO_DID + RFAL_NFCDEP_DID_LEN) /*!< Length of DSL_REQ and RLS_REQ with DID */
+
+#define RFAL_NFCDEP_FS_VAL_MIN 64 /*!< Minimum LR value */
+#define RFAL_NFCDEP_LR_VAL_MASK 0x03 /*!< Bit mask for a LR value */
+#define RFAL_NFCDEP_PP_LR_MASK 0x30 /*!< Bit mask for LR value in PP byte on a ATR REQ/RES */
+#define RFAL_NFCDEP_PP_LR_SHIFT 4 /*!< Position of LR value in PP byte on a ATR REQ/RES */
+
+#define RFAL_NFCDEP_DID_MAX 14 /*!< Max DID value Digital 14.6.2.3 */
+#define RFAL_NFCDEP_DID_KEEP 0xFF /*!< Keep DID value already configured */
+#define RFAL_NFCDEP_DID_NO 0x00 /*!< No DID shall be used */
+#define RFAL_NFCDEP_NAD_NO 0x00 /*!< No NAD shall be used */
+
+#define RFAL_NFCDEP_OPER_RTOX_REQ_DIS 0x01 /*!< Operation config: RTOX REQ disable */
+#define RFAL_NFCDEP_OPER_RTOX_REQ_EN 0x00 /*!< Operation config: RTOX REQ enable */
+
+#define RFAL_NFCDEP_OPER_ATN_DIS 0x00 /*!< Operation config: ATN disable */
+#define RFAL_NFCDEP_OPER_ATN_EN 0x02 /*!< Operation config: ATN enable */
+
+#define RFAL_NFCDEP_OPER_EMPTY_DEP_DIS 0x04 /*!< Operation config: empty DEPs disable */
+#define RFAL_NFCDEP_OPER_EMPTY_DEP_EN 0x00 /*!< Operation config: empty DEPs enable */
+
+#define RFAL_NFCDEP_OPER_FULL_MI_DIS 0x00 /*!< Operation config: full chaining DEPs disable */
+#define RFAL_NFCDEP_OPER_FULL_MI_EN 0x08 /*!< Operation config: full chaining DEPs enable */
+
+
+#define RFAL_NFCDEP_BRS_MAINTAIN 0xC0 /*!< Value signalling that BR is to be maintained (no PSL) */
+#define RFAL_NFCDEP_BRS_Dx_MASK 0x07 /*!< Value signalling that BR is to be maintained (no PSL) */
+#define RFAL_NFCDEP_BRS_DSI_POS 3 /*!< Value signalling that BR is to be maintained (no PSL) */
+
+#define RFAL_NFCDEP_WT_DELTA (16 - RFAL_NFCDEP_WT_DELTA_ADJUST) /*!< NFC-DEP dWRT (adjusted) Digital 1.0 A.10 */
+#define RFAL_NFCDEP_WT_DELTA_ADJUST 4 /*!< dWRT value adjustment */
+
+
+#define RFAL_NFCDEP_ATR_REQ_NFCID3_POS 2 /*!< NFCID3 offset in ATR_REQ frame */
+#define RFAL_NFCDEP_NFCID3_LEN 10 /*!< NFCID3 Length */
+
+#define RFAL_NFCDEP_LEN_MIN 3 /*!< Minimum length byte LEN value */
+#define RFAL_NFCDEP_LEN_MAX 255 /*!< Maximum length byte LEN value */
+
+#define RFAL_NFCDEP_ATRRES_HEADER_LEN 2 /*!< ATR RES Header Len: CmdType: 0xD5 + Cod: 0x01 */
+#define RFAL_NFCDEP_ATRRES_MIN_LEN 17 /*!< Minimum length for an ATR RES */
+#define RFAL_NFCDEP_ATRRES_MAX_LEN 64 /*!< Maximum length for an ATR RES Digital 1.0 14.6.1 */
+#define RFAL_NFCDEP_ATRREQ_MIN_LEN 16 /*!< Minimum length for an ATR REQ */
+#define RFAL_NFCDEP_ATRREQ_MAX_LEN RFAL_NFCDEP_ATRRES_MAX_LEN /*!< Maximum length for an ATR REQ Digital 1.0 14.6.1 */
+
+#define RFAL_NFCDEP_GB_MAX_LEN (RFAL_NFCDEP_ATRREQ_MAX_LEN - RFAL_NFCDEP_ATRREQ_MIN_LEN) /*!< Maximum length the General Bytes on ATR Digital 1.1 16.6.3 */
+
+#define RFAL_NFCDEP_WT_INI_DEFAULT RFAL_NFCDEP_WT_INI_MAX /*!< WT Initiator default value Digital 1.0 14.6.3.8 */
+#define RFAL_NFCDEP_WT_INI_MIN 0 /*!< WT Initiator minimum value Digital 1.0 14.6.3.8 */
+#define RFAL_NFCDEP_WT_INI_MAX 14 /*!< WT Initiator maximum value Digital 1.0 14.6.3.8 A.10*/
+#define RFAL_NFCDEP_RWT_INI_MAX rfalNfcDepWT2RWT( RFAL_NFCDEP_WT_INI_MAX ) /*!< RWT Initiator maximum value */
+
+#define RFAL_NFCDEP_WT_TRG_MAX_D10 8 /*!< WT target max Digital 1.0 14.6.3.8 A.10 */
+#define RFAL_NFCDEP_WT_TRG_MAX_D11 14 /*!< WT target max Digital 1.1 16.6.3.9 A.9 */
+#define RFAL_NFCDEP_WT_TRG_MAX RFAL_NFCDEP_WT_TRG_MAX_D10 /*!< WT target max Digital 1.x */
+#define RFAL_NFCDEP_RWT_TRG_MAX rfalNfcDepWT2RWT( RFAL_NFCDEP_WT_TRG_MAX ) /*!< RWT Initiator maximum value */
+
+/*! Maximum Frame Waiting Time = ((256 * 16/fc)*2^FWImax) = ((256*16/fc)*2^14) = (1048576 / 64)/fc = (100000h*64)/fc */
+#define RFAL_NFCDEP_MAX_FWT (1<<20)
+
+#define RFAL_NFCDEP_WT_MASK 0x0F /*!< Bit mask for the Wait Time value */
+
+#define RFAL_NFCDEP_BR_MASK_106 1 /*!< Enable mask bit rate 106 */
+#define RFAL_NFCDEP_BR_MASK_212 2 /*!< Enable mask bit rate 242 */
+#define RFAL_NFCDEP_BR_MASK_424 4 /*!< Enable mask bit rate 424 */
+
+/*
+ ******************************************************************************
+ * GLOBAL MACROS
+ ******************************************************************************
+ */
+
+#define rfalNfcDepWT2RWT( wt ) (1 << ( (wt & RFAL_NFCDEP_WT_MASK) + 6) ) /*!< Converts WT value to RWT */
+
+/*! Returns the BRS value from the given bit rate */
+#define rfalNfcDepDx2BRS( br ) ( (uint8_t) ( (((br)&RFAL_NFCDEP_BRS_Dx_MASK) << RFAL_NFCDEP_BRS_DSI_POS) | ((br) & RFAL_NFCDEP_BRS_Dx_MASK) ))
+
+#define rfalNfcDepBRS2DRI( brs ) ( (uint8_t) ( brs & RFAL_NFCDEP_BRS_Dx_MASK ) ) /*!< Returns the DRI value from the given BRS byte */
+#define rfalNfcDepBRS2DSI( brs ) ( (uint8_t) ( (brs >> RFAL_NFCDEP_BRS_DSI_POS) & RFAL_NFCDEP_BRS_Dx_MASK ) ) /*!< Returns the DSI value from the given BRS byte */
+
+#define rfalNfcDepPP2LR( PPx ) ( (uint8_t) ( PPx & RFAL_NFCDEP_PP_LR_MASK ) >> RFAL_NFCDEP_PP_LR_SHIFT) /*!< Returns the LR value from the given PPx byte */
+#define rfalNfcDepLR2PP( LRx ) ( (uint8_t) ((LRx << RFAL_NFCDEP_PP_LR_SHIFT) & RFAL_NFCDEP_PP_LR_MASK)) /*!< Returns the PP byte with the given LRx value */
+
+/*! Returns the Frame size value from the given LRx value */
+#define rfalNfcDepLR2FS( LRx ) MIN( ((uint8_t) RFAL_NFCDEP_FS_VAL_MIN * (LRx + 1) ), RFAL_NFCDEP_FRAME_SIZE_MAX_LEN )
+
+/*!
+ * Despite DIGITAL 1.0 14.6.2.1 stating that the last two bytes may filled with
+ * any value, some devices (Samsung Google Nexus) only accept when these are 0 */
+#define rfalNfcDepSetNFCID( dst, src, len ) ST_MEMSET( (dst), 0x00, RFAL_NFCDEP_NFCID3_LEN ); \
+ ST_MEMCPY( (dst), src, len )
+
+/*
+ ******************************************************************************
+ * GLOBAL ENUMERATIONS
+ ******************************************************************************
+ */
+
+
+
+/*! Enumeration of NFC-DEP bit rate in ATR Digital 1.0 Table 93 and 94 */
+enum{
+ RFAL_NFCDEP_Bx_NO_HIGH_BR = 0x00, /*!< Peer supports no high bit rates */
+ RFAL_NFCDEP_Bx_08_848 = 0x01, /*!< Peer also supports 848 */
+ RFAL_NFCDEP_Bx_16_1695 = 0x02, /*!< Peer also supports 1695 */
+ RFAL_NFCDEP_Bx_32_3390 = 0x04, /*!< Peer also supports 3390 */
+ RFAL_NFCDEP_Bx_64_6780 = 0x08 /*!< Peer also supports 6780 */
+};
+
+/*! Enumeration of NFC-DEP bit rate Dividor in PSL Digital 1.0 Table 100 */
+enum{
+ RFAL_NFCDEP_Dx_01_106 = RFAL_BR_106, /*!< Divisor D = 1 : bit rate = 106 */
+ RFAL_NFCDEP_Dx_02_212 = RFAL_BR_212, /*!< Divisor D = 2 : bit rate = 212 */
+ RFAL_NFCDEP_Dx_04_424 = RFAL_BR_424, /*!< Divisor D = 4 : bit rate = 424 */
+ RFAL_NFCDEP_Dx_08_848 = RFAL_BR_848, /*!< Divisor D = 8 : bit rate = 848 */
+ RFAL_NFCDEP_Dx_16_1695 = RFAL_BR_1695, /*!< Divisor D = 16 : bit rate = 1695 */
+ RFAL_NFCDEP_Dx_32_3390 = RFAL_BR_3390, /*!< Divisor D = 32 : bit rate = 3390 */
+ RFAL_NFCDEP_Dx_64_6780 = RFAL_BR_6780 /*!< Divisor D = 64 : bit rate = 6780 */
+};
+
+/*! Enumeration of NFC-DEP Length Reduction (LR) Digital 1.0 Table 91 */
+enum{
+ RFAL_NFCDEP_LR_64 = 0x00, /*!< Maximum payload size is 64 bytes */
+ RFAL_NFCDEP_LR_128 = 0x01, /*!< Maximum payload size is 128 bytes */
+ RFAL_NFCDEP_LR_192 = 0x02, /*!< Maximum payload size is 192 bytes */
+ RFAL_NFCDEP_LR_254 = 0x03 /*!< Maximum payload size is 254 bytes */
+};
+
+/*
+ ******************************************************************************
+ * GLOBAL DATA TYPES
+ ******************************************************************************
+ */
+
+/*! NFC-DEP callback to check if upper layer has deactivation pending */
+typedef bool (* rfalNfcDepDeactCallback)(void);
+
+
+/*! Enumeration of the nfcip communication modes */
+typedef enum{
+ RFAL_NFCDEP_COMM_PASSIVE, /*!< Passive communication mode */
+ RFAL_NFCDEP_COMM_ACTIVE /*!< Active communication mode */
+} rfalNfcDepCommMode;
+
+
+/*! Enumeration of the nfcip roles */
+typedef enum{
+ RFAL_NFCDEP_ROLE_INITIATOR, /*!< Perform as Initiator */
+ RFAL_NFCDEP_ROLE_TARGET /*!< Perform as Target */
+} rfalNfcDepRole;
+
+
+/*! Struct that holds all NFCIP configs */
+typedef struct{
+
+ rfalNfcDepRole role; /*!< Current NFCIP role */
+ rfalNfcDepCommMode commMode; /*!< Current NFCIP communication mode */
+ uint8_t oper; /*!< Operation config similar to NCI 1.0 Table 81 */
+
+ uint8_t did; /*!< Current Device ID (DID) */
+ uint8_t nad; /*!< Current Node Addressing (NAD) */
+ uint8_t bs; /*!< Bit rate in Sending Direction */
+ uint8_t br; /*!< Bit rate in Receiving Direction */
+ uint8_t nfcid[RFAL_NFCDEP_NFCID3_LEN]; /*!< Pointer to the NFCID to be used */
+ uint8_t nfcidLen; /*!< Length of the given NFCID in nfcid */
+ uint8_t gb[RFAL_NFCDEP_GB_MAX_LEN]; /*!< Pointer General Bytes (GB) to be used */
+ uint8_t gbLen; /*!< Length of the given GB in gb */
+ uint8_t lr; /*!< Length Reduction (LR) to be used */
+ uint8_t to; /*!< Timeout (TO) to be used */
+ uint32_t fwt; /*!< Frame Waiting Time (FWT) to be used */
+ uint32_t dFwt; /*!< Delta Frame Waiting Time (dFWT) to be used */
+} rfalNfcDepConfigs;
+
+
+/*! ATR_REQ command Digital 1.1 16.6.2 */
+typedef struct {
+ uint8_t CMD1; /*!< Command format 0xD4 */
+ uint8_t CMD2; /*!< Command Value */
+ uint8_t NFCID3[RFAL_NFCDEP_NFCID3_LEN]; /*!< NFCID3 value */
+ uint8_t DID; /*!< DID */
+ uint8_t BSi; /*!< Sending Bitrate for Initiator */
+ uint8_t BRi; /*!< Receiving Bitrate for Initiator */
+ uint8_t PPi; /*!< Optional Parameters presence indicator */
+ uint8_t GBi[RFAL_NFCDEP_GB_MAX_LEN]; /*!< General Bytes */
+} rfalNfcDepAtrReq;
+
+
+/*! ATR_RES response Digital 1.1 16.6.3 */
+typedef struct {
+ uint8_t CMD1; /*!< Response Byte 0xD5 */
+ uint8_t CMD2; /*!< Command Value */
+ uint8_t NFCID3[RFAL_NFCDEP_NFCID3_LEN]; /*!< NFCID3 value */
+ uint8_t DID; /*!< DID */
+ uint8_t BSt; /*!< Sending Bitrate for Initiator */
+ uint8_t BRt; /*!< Receiving Bitrate for Initiator */
+ uint8_t TO; /*!< Timeout */
+ uint8_t PPt; /*!< Optional Parameters presence indicator */
+ uint8_t GBt[RFAL_NFCDEP_GB_MAX_LEN]; /*!< General Bytes */
+} rfalNfcDepAtrRes;
+
+
+/*! Structure of transmit I-PDU Buffer format from caller */
+typedef struct
+{
+ uint8_t prologue[RFAL_NFCDEP_DEPREQ_HEADER_LEN]; /*!< Prologue space for NFC-DEP header*/
+ uint8_t inf[RFAL_NFCDEP_FRAME_SIZE_MAX_LEN]; /*!< INF | Data area of the buffer */
+} rfalNfcDepBufFormat;
+
+
+/*! Activation info as Initiator and Target */
+typedef union {
+ struct {
+ rfalNfcDepAtrRes ATR_RES; /*!< ATR RES (Initiator mode) */
+ uint8_t ATR_RESLen; /*!< ATR RES length (Initiator mode) */
+ }Target; /*!< Target */
+ struct {
+ rfalNfcDepAtrReq ATR_REQ; /*!< ATR REQ (Target mode) */
+ uint8_t ATR_REQLen; /*!< ATR REQ length (Target mode) */
+ }Initiator; /*!< Initiator */
+} rfalNfcDepActivation;
+
+
+/*! NFC-DEP device Info */
+typedef struct {
+ uint8_t GBLen; /*!< General Bytes length */
+ uint8_t WT; /*!< FWT to be used (ignored in Listen Mode) */
+ uint32_t FWT; /*!< FWT to be used (ignored in Listen Mode) */
+ uint32_t dFWT; /*!< Delta FWT to be used */
+ uint8_t LR; /*!< Length Reduction coding the max payload */
+ uint16_t FS; /*!< Frame Size */
+ rfalBitRate DSI; /*!< Bit Rate coding from Initiator to Target */
+ rfalBitRate DRI; /*!< Bit Rate coding from Target to Initiator */
+ uint8_t DID; /*!< Device ID (RFAL_NFCDEP_DID_NO if no DID) */
+ uint8_t NAD; /*!< Node ADdress (RFAL_NFCDEP_NAD_NO if no NAD)*/
+} rfalNfcDepInfo;
+
+
+/*! NFC-DEP Device structure */
+typedef struct {
+ rfalNfcDepActivation activation; /*!< Activation Info */
+ rfalNfcDepInfo info; /*!< NFC-DEP device Info */
+} rfalNfcDepDevice;
+
+
+/*! NFCIP Protocol structure for P2P Target
+ *
+ * operParam : derives from NFC-Forum NCI NFC-DEP Operation Parameter
+ * NCI 1.1 Table 86: NFC-DEP Operation Parameter
+ * and it's a bit mask composed as:
+ * [ 0000b
+ * | Chain SHALL use max. Transport Data Byte[1b]
+ * | I-PDU with no Transport Data SHALL NOT be sent [1b]
+ * | NFC-DEP Target SHALL NOT send RTOX request [1b]
+ * ]
+ *
+ */
+typedef struct{
+ rfalNfcDepCommMode commMode; /*!< Initiator in Active P2P or Passive P2P*/
+ uint8_t operParam; /*!< NFC-DEP Operation Parameter */
+ uint8_t* nfcid; /*!< Initiator's NFCID2 or NFCID3 */
+ uint8_t nfcidLen; /*!< Initiator's NFCID length (NFCID2/3) */
+ uint8_t DID; /*!< Initiator's Device ID DID */
+ uint8_t NAD; /*!< Initiator's Node ID NAD */
+ uint8_t BS; /*!< Initiator's Bit Rates supported in Tx */
+ uint8_t BR; /*!< Initiator's Bit Rates supported in Rx */
+ uint8_t LR; /*!< Initiator's Length reduction */
+ uint8_t* GB; /*!< Initiator's General Bytes (Gi) */
+ uint8_t GBLen; /*!< Initiator's General Bytes length */
+} rfalNfcDepAtrParam;
+
+
+/*! Structure of parameters to be passed in for nfcDepListenStartActivation */
+typedef struct
+{
+ rfalNfcDepBufFormat *rxBuf; /*!< Receive Buffer struct reference */
+ uint16_t *rxLen; /*!< Receive INF data length in bytes*/
+ bool *isRxChaining; /*!< Received data is not complete */
+ rfalNfcDepDevice *nfcDepDev; /*!< NFC-DEP device info */
+} rfalNfcDepListenActvParam;
+
+
+/*! NFCIP Protocol structure for P2P Target
+ *
+ * operParam : derives from NFC-Forum NCI NFC-DEP Operation Parameter
+ * NCI 1.1 Table 86: NFC-DEP Operation Parameter
+ * and it's a bit mask composed as:
+ * [ 0000b
+ * | Chain SHALL use max. Transport Data Byte[1b]
+ * | I-PDU with no Transport Data SHALL NOT be sent [1b]
+ * | NFC-DEP Target SHALL NOT send RTOX request [1b]
+ * ]
+ *
+ */
+typedef struct{
+ rfalNfcDepCommMode commMode; /*!< Target in Active P2P or Passive P2P */
+ uint8_t nfcid3[RFAL_NFCDEP_NFCID3_LEN]; /*!< Target's NFCID3 */
+ uint8_t bst; /*!< Target's Bit Rates supported in Tx */
+ uint8_t brt; /*!< Target's Bit Rates supported in Rx */
+ uint8_t to; /*!< Target's timeout (TO) value */
+ uint8_t ppt; /*!< Target's Presence optional Params(PPt)*/
+ uint8_t GBt[RFAL_NFCDEP_GB_MAX_LEN]; /*!< Target's General Bytes (Gt) */
+ uint8_t GBtLen; /*!< Target's General Bytes length */
+ uint8_t operParam; /*!< NFC-DEP Operation Parameter */
+} rfalNfcDepTargetParam;
+
+
+/*! Structure of parameters to be passed in for nfcDepStartIpduTransceive */
+typedef struct
+{
+ rfalNfcDepBufFormat *txBuf; /*!< Transmit Buffer struct reference */
+ uint16_t txBufLen; /*!< Transmit Buffer INF field length in bytes */
+ bool isTxChaining; /*!< Transmit data is not complete */
+ rfalNfcDepBufFormat *rxBuf; /*!< Receive Buffer struct reference */
+ uint16_t *rxLen; /*!< Receive INF data length */
+ bool *isRxChaining; /*!< Received data is not complete */
+ uint32_t FWT; /*!< FWT to be used (ignored in Listen Mode) */
+ uint32_t dFWT; /*!< Delta FWT to be used */
+ uint16_t FSx; /*!< Other device Frame Size (FSD or FSC) */
+ uint8_t DID; /*!< Device ID (RFAL_ISODEP_NO_DID if no DID) */
+} rfalNfcDepTxRxParam;
+
+
+/*
+ * *****************************************************************************
+ * GLOBAL VARIABLE DECLARATIONS
+ ******************************************************************************
+ */
+
+
+/*
+ ******************************************************************************
+ * GLOBAL FUNCTION PROTOTYPES
+ ******************************************************************************
+ */
+
+/*!
+ ******************************************************************************
+ * \brief NFCIP Initialize
+ *
+ * This method resets all NFC-DEP inner states, counters and context and sets
+ * default values
+ *
+ ******************************************************************************
+ */
+void rfalNfcDepInitialize( void );
+
+
+/*!
+ ******************************************************************************
+ * \brief Set deactivating callback
+ *
+ * Sets the deactivating callback so that nfcip layer can check if upper layer
+ * has a deactivation pending, and not perform error recovery upon specific
+ * errors
+ *
+ * \param[in] pFunc : method pointer to deactivation flag check
+ ******************************************************************************
+ */
+void rfalNfcDepSetDeactivatingCallback( rfalNfcDepDeactCallback pFunc );
+
+
+/*!
+ ******************************************************************************
+ * \brief Calculate Response Waiting Time
+ *
+ * Calculates the Response Waiting Time (RWT) from the given Waiting Time (WT)
+ *
+ * \param[in] wt : the WT value to calculate RWT
+ *
+ * \return RWT value
+ ******************************************************************************
+ */
+uint32_t rfalNfcDepCalculateRWT( uint8_t wt );
+
+
+/*!
+ ******************************************************************************
+ * \brief NFC-DEP Initiator ATR (Attribute Request)
+ *
+ * This method configures the NFC-DEP layer with given parameters and then
+ * sends an ATR to the Target with and checks for a valid response response
+ *
+ * \param[in] param : parameters to initialize and compose the ATR
+ * \param[out] atrRes : location to store the ATR_RES
+ * \param[out] atrResLen : length of the ATR_RES received
+ *
+ * \return ERR_NONE : No error
+ * \return ERR_TIMEOUT : Timeout occurred
+ * \return ERR_PROTO : Protocol error occurred
+ ******************************************************************************
+ */
+ReturnCode rfalNfcDepATR( rfalNfcDepAtrParam* param, rfalNfcDepAtrRes *atrRes, uint8_t* atrResLen, 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 );
+
+
+/*!
+ ******************************************************************************
+ * \brief NFC-DEP Initiator PSL (Parameter Selection)
+ *
+ * This method sends a PSL to the Target with the given parameters and checks
+ * for a valid response response
+ *
+ * The parameters must be coded according to Digital 1.1 16.7.1
+ *
+ * \param[in] BRS : the selected Bit Rates for Initiator and Target
+ * \param[in] FSL : the maximum length of Commands and Responses
+ *
+ * \return ERR_NONE : No error
+ * \return ERR_TIMEOUT : Timeout occurred
+ * \return ERR_PROTO : Protocol error occurred
+ ******************************************************************************
+ */
+ReturnCode rfalNfcDepPSL( uint8_t BRS, uint8_t FSL, 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 );
+
+
+/*!
+ ******************************************************************************
+ * \brief NFC-DEP Initiator DSL (Deselect)
+ *
+ * This method checks if the NFCIP module is configured as initiator and if
+ * so sends a DSL REQ, waits the target's response and checks it
+ *
+ * In case of performing as target no action is taken
+ *
+ * \return ERR_NONE : No error
+ * \return ERR_TIMEOUT : Timeout occurred
+ * \return ERR_MAX_RERUNS : Timeout occurred
+ * \return ERR_PROTO : Protocol error occurred
+ ******************************************************************************
+ */
+ReturnCode rfalNfcDepDSL( 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 );
+
+
+/*!
+ ******************************************************************************
+ * \brief NFC-DEP Initiator RLS (Release)
+ *
+ * This method checks if the NFCIP module is configured as initiator and if
+ * so sends a RLS REQ, waits target's response and checks it
+ *
+ * In case of performing as target no action is taken
+ *
+ * \return ERR_NONE : No error
+ * \return ERR_TIMEOUT : Timeout occurred
+ * \return ERR_MAX_RERUNS : Timeout occurred
+ * \return ERR_PROTO : Protocol error occurred
+ ******************************************************************************
+ */
+ReturnCode rfalNfcDepRLS( 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 );
+
+
+/*!
+ *****************************************************************************
+ * \brief NFC-DEP Initiator Handle Activation
+ *
+ * This performs a Activation into NFC-DEP layer with the given
+ * parameters. It sends ATR_REQ and if the higher bit rates are supported by
+ * both devices it additionally sends PSL
+ * Once Activated all details of the device are provided on nfcDepDev
+ *
+ * \param[in] param : required parameters to initialize and send ATR_REQ
+ * \param[in] desiredBR : Desired bit rate supported by the Poller
+ * \param[out] nfcDepDev : NFC-DEP information of the activated Listen device
+ *
+ * \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 rfalNfcDepInitiatorHandleActivation( rfalNfcDepAtrParam* param, rfalBitRate desiredBR, rfalNfcDepDevice* nfcDepDev, 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 );
+
+
+/*!
+ ******************************************************************************
+ * \brief Check if buffer contains valid ATR_REQ
+ *
+ * This method checks if the given ATR_REQ is valid
+ *
+ *
+ * \param[in] buf : buffer holding Initiator's received request
+ * \param[in] bufLen : size of the msg contained on the buf in Bytes
+ * \param[out] nfcid3 : pointer to where the NFCID3 may be outputed,
+ * nfcid3 has NFCF_SENSF_NFCID3_LEN as length
+ * Pass NULL if output parameter not desired
+ *
+ * \return true : Valid ATR_REQ received, the ATR_RES has been computed in txBuf
+ * \return false : Invalid protocol request
+ *
+ ******************************************************************************
+ */
+bool rfalNfcDepIsAtrReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid3 );
+
+
+/*!
+ ******************************************************************************
+ * \brief Check is Target has received ATR
+ *
+ * This method checks if the NFCIP module is configured as target and if a
+ * ATR REQ has been received ( whether is in activation or in data exchange)
+ *
+ * \return true : a ATR has already been received
+ * \return false : no ATR has been received
+ ******************************************************************************
+ */
+bool rfalNfcDepTargetRcvdATR( void );
+
+/*!
+ *****************************************************************************
+ * \brief NFCDEP Start Listen Activation Handling
+ *
+ * Start Activation Handling and setup to receive first frame which may
+ * contain complete or partial DEP-REQ after activation is completed
+ *
+ * Pass in ATR_REQ for NFC-DEP to handle ATR_RES. The Activation Handling
+ * handles ATR_RES and PSL_RES if a PSL_REQ is received
+ *
+ * Activation is completed if PSL_RES is sent or if first I-PDU is received
+ *
+ * \ref rfalNfcDepListenGetActivationStatus() provide status of the
+ * ongoing activation
+ *
+ * \warning nfcDepGetTransceiveStatus() shall be called right after activation
+ * is completed (i.e. rfalNfcDepListenGetActivationStatus() return ERR_NONE)
+ * to check for first received frame.
+ *
+ * \param[in] param : Target parameters to be used
+ * \param[in] atrReq : reference to buffer containing ATR_REQ
+ * \param[in] atrReqLength: Length of ATR_REQ
+ * \param[out] rxParam : references to buffer, length and chaining indication
+ * for first complete LLCP to be received
+ *
+ * \return ERR_NONE : ATR_REQ is valid and activation ongoing
+ * \return ERR_PARAM : ATR_REQ or other params are invalid
+ * \return ERR_LINK_LOSS : Remote Field is turned off
+ *****************************************************************************
+ */
+ReturnCode rfalNfcDepListenStartActivation( rfalNfcDepTargetParam *param, uint8_t *atrReq, uint16_t atrReqLength, rfalNfcDepListenActvParam rxParam, 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 );
+
+
+/*!
+ *****************************************************************************
+ * \brief Get the current NFC-DEP Activation Status
+ *
+ * \return ERR_NONE : Activation has completed successfully
+ * \return ERR_BUSY : Activation is ongoing
+ * \return ERR_LINK_LOSS : Remote Field was turned off
+ *****************************************************************************
+ */
+ReturnCode rfalNfcDepListenGetActivationStatus( 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 );
+
+/*!
+ *****************************************************************************
+ * \brief Start Transceive
+ *
+ * Transceives a complete or partial DEP block
+ *
+ * The txBuf contains complete or partial of DEP to be transmitted.
+ * The Prologue field of the I-PDU is handled internally
+ *
+ * If the buffer contains partial LLCP and is not the last block, then
+ * isTxChaining must be set to true
+ *
+ * \param[in] param: reference parameters to be used for the Transceive
+ *
+ * \return ERR_PARAM : Bad request
+ * \return ERR_WRONG_STATE : The module is not in a proper state
+ * \return ERR_NONE : The Transceive request has been started
+ *****************************************************************************
+ */
+ReturnCode rfalNfcDepStartTransceive( rfalNfcDepTxRxParam *param );
+
+
+/*!
+ *****************************************************************************
+ * \brief Return the Transceive status
+ *
+ * Returns the status of the NFC-DEP Transceive
+ *
+ * \warning When the other device is performing chaining once a chained
+ * block is received the error ERR_AGAIN is sent. At this point
+ * caller must handle the received data immediately.
+ * When ERR_AGAIN is returned an ACK has already been sent to
+ * the other device and the next block might be incoming.
+ * If rfalWorker() is called frequently it will place the next
+ * block on the given buffer
+ *
+ * \return ERR_NONE : Transceive has been completed successfully
+ * \return ERR_BUSY : Transceive is ongoing
+ * \return ERR_PROTO : Protocol error occurred
+ * \return ERR_TIMEOUT : Timeout error occurred
+ * \return ERR_SLEEP_REQ : Deselect has been received and responded
+ * \return ERR_NOMEM : The received I-PDU does not fit into the
+ * receive buffer
+ * \return ERR_LINK_LOSS : Communication is lost because Reader/Writer
+ * has turned off its field
+ * \return ERR_AGAIN : received one chaining block, continue to call
+ * this method to retrieve the remaining blocks
+ *****************************************************************************
+ */
+ReturnCode rfalNfcDepGetTransceiveStatus( 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 );
+
+
+#endif /* RFAL_NFCDEP_H_ */
+
+/**
+ * @}
+ *
+ * @}
+ *
+ * @}
+ */