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rfal_nfcDep.cpp@0:75fc82583a41, 2019-11-14 (annotated)

Committer:: DiegoOstuni
Date:: Thu Nov 14 14:34:50 2019 +0000
Revision:: 0:75fc82583a41

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DiegoOstuni	0:75fc82583a41	1
DiegoOstuni	0:75fc82583a41	2	/******************************************************************************
DiegoOstuni	0:75fc82583a41	3	* @attention
DiegoOstuni	0:75fc82583a41	4	*
DiegoOstuni	0:75fc82583a41	5	* <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2>
DiegoOstuni	0:75fc82583a41	6	*
DiegoOstuni	0:75fc82583a41	7	* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
DiegoOstuni	0:75fc82583a41	8	* You may not use this file except in compliance with the License.
DiegoOstuni	0:75fc82583a41	9	* You may obtain a copy of the License at:
DiegoOstuni	0:75fc82583a41	10	*
DiegoOstuni	0:75fc82583a41	11	* http://www.st.com/myliberty
DiegoOstuni	0:75fc82583a41	12	*
DiegoOstuni	0:75fc82583a41	13	* Unless required by applicable law or agreed to in writing, software
DiegoOstuni	0:75fc82583a41	14	* distributed under the License is distributed on an "AS IS" BASIS,
DiegoOstuni	0:75fc82583a41	15	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
DiegoOstuni	0:75fc82583a41	16	* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
DiegoOstuni	0:75fc82583a41	17	* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
DiegoOstuni	0:75fc82583a41	18	* See the License for the specific language governing permissions and
DiegoOstuni	0:75fc82583a41	19	* limitations under the License.
DiegoOstuni	0:75fc82583a41	20	*
DiegoOstuni	0:75fc82583a41	21	******************************************************************************/
DiegoOstuni	0:75fc82583a41	22
DiegoOstuni	0:75fc82583a41	23
DiegoOstuni	0:75fc82583a41	24	/*
DiegoOstuni	0:75fc82583a41	25	* PROJECT: NFCC firmware
DiegoOstuni	0:75fc82583a41	26	* LANGUAGE: ISO C99
DiegoOstuni	0:75fc82583a41	27	*/
DiegoOstuni	0:75fc82583a41	28
DiegoOstuni	0:75fc82583a41	29	/*! \file rfal_nfcDep.c
DiegoOstuni	0:75fc82583a41	30	*
DiegoOstuni	0:75fc82583a41	31	* \author Gustavo Patricio
DiegoOstuni	0:75fc82583a41	32	*
DiegoOstuni	0:75fc82583a41	33	* \brief Implementation of NFC-DEP protocol
DiegoOstuni	0:75fc82583a41	34	*
DiegoOstuni	0:75fc82583a41	35	* NFC-DEP is also known as NFCIP - Near Field Communication
DiegoOstuni	0:75fc82583a41	36	* Interface and Protocol
DiegoOstuni	0:75fc82583a41	37	*
DiegoOstuni	0:75fc82583a41	38	* This implementation was based on the following specs:
DiegoOstuni	0:75fc82583a41	39	* - NFC Forum Digital 1.1
DiegoOstuni	0:75fc82583a41	40	* - ECMA 340 3rd Edition 2013
DiegoOstuni	0:75fc82583a41	41	*
DiegoOstuni	0:75fc82583a41	42	*/
DiegoOstuni	0:75fc82583a41	43
DiegoOstuni	0:75fc82583a41	44	/*
DiegoOstuni	0:75fc82583a41	45	******************************************************************************
DiegoOstuni	0:75fc82583a41	46	* INCLUDES
DiegoOstuni	0:75fc82583a41	47	******************************************************************************
DiegoOstuni	0:75fc82583a41	48	*/
DiegoOstuni	0:75fc82583a41	49	#include <platform1.h>
DiegoOstuni	0:75fc82583a41	50	#include "rfal_nfcDep.h"
DiegoOstuni	0:75fc82583a41	51	#include "rfal_nfcf.h"
DiegoOstuni	0:75fc82583a41	52	#include "utils.h"
DiegoOstuni	0:75fc82583a41	53
DiegoOstuni	0:75fc82583a41	54	/*
DiegoOstuni	0:75fc82583a41	55	******************************************************************************
DiegoOstuni	0:75fc82583a41	56	* ENABLE SWITCH
DiegoOstuni	0:75fc82583a41	57	******************************************************************************
DiegoOstuni	0:75fc82583a41	58	*/
DiegoOstuni	0:75fc82583a41	59
DiegoOstuni	0:75fc82583a41	60	#ifndef RFAL_FEATURE_NFC_DEP
DiegoOstuni	0:75fc82583a41	61	#error " RFAL: Module configuration missing. Please enable/disable NFC-DEP module by setting: RFAL_FEATURE_NFC_DEP "
DiegoOstuni	0:75fc82583a41	62	#endif
DiegoOstuni	0:75fc82583a41	63
DiegoOstuni	0:75fc82583a41	64	#if RFAL_FEATURE_NFC_DEP
DiegoOstuni	0:75fc82583a41	65
DiegoOstuni	0:75fc82583a41	66	/*
DiegoOstuni	0:75fc82583a41	67	******************************************************************************
DiegoOstuni	0:75fc82583a41	68	* DEFINES
DiegoOstuni	0:75fc82583a41	69	******************************************************************************
DiegoOstuni	0:75fc82583a41	70	*/
DiegoOstuni	0:75fc82583a41	71
DiegoOstuni	0:75fc82583a41	72	#define NFCIP_LOOP_MAX 0x0005FFFF /!< Max blocking reRuns /
DiegoOstuni	0:75fc82583a41	73	#define NFCIP_ATR_RETRY_MAX 2 /!< Max consecutive retrys of an ATR REQ with transm error/
DiegoOstuni	0:75fc82583a41	74
DiegoOstuni	0:75fc82583a41	75	#define NFCIP_PSLPAY_LEN (2) /!< PSL Payload length (BRS + FSL) /
DiegoOstuni	0:75fc82583a41	76	#define NFCIP_PSLREQ_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< PSL REQ length (incl LEN) /
DiegoOstuni	0:75fc82583a41	77	#define NFCIP_PSLRES_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< PSL RES length (incl LEN) /
DiegoOstuni	0:75fc82583a41	78
DiegoOstuni	0:75fc82583a41	79	#define NFCIP_ATRREQ_BUF_LEN (RFAL_NFCDEP_ATRREQ_MAX_LEN + RFAL_NFCDEP_LEN_LEN) /!< ATR REQ max length (incl LEN) /
DiegoOstuni	0:75fc82583a41	80	#define NFCIP_ATRRES_BUF_LEN (RFAL_NFCDEP_ATRRES_MAX_LEN + RFAL_NFCDEP_LEN_LEN) /!< ATR RES max length (incl LEN) /
DiegoOstuni	0:75fc82583a41	81
DiegoOstuni	0:75fc82583a41	82	#define NFCIP_RLSREQ_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< RLS REQ length (incl LEN) /
DiegoOstuni	0:75fc82583a41	83	#define NFCIP_RLSRES_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< RSL RES length (incl LEN) /
DiegoOstuni	0:75fc82583a41	84	#define NFCIP_RLSRES_MIN (2 + RFAL_NFCDEP_LEN_LEN) /!< Minimum length for a RLS RES (incl LEN) /
DiegoOstuni	0:75fc82583a41	85
DiegoOstuni	0:75fc82583a41	86	#define NFCIP_DSLREQ_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< DSL REQ length (incl LEN) /
DiegoOstuni	0:75fc82583a41	87	#define NFCIP_DSLRES_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< DSL RES length (incl LEN) /
DiegoOstuni	0:75fc82583a41	88	#define NFCIP_DSLRES_MIN (2 + RFAL_NFCDEP_LEN_LEN) /!< Minimum length for a DSL RES (incl LEN) /
DiegoOstuni	0:75fc82583a41	89
DiegoOstuni	0:75fc82583a41	90	#define NFCIP_DSLRES_MAX_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< Maximum length for a DSL RES (incl LEN) /
DiegoOstuni	0:75fc82583a41	91	#define NFCIP_RLSRES_MAX_LEN (3 + RFAL_NFCDEP_LEN_LEN) /!< Minimum length for a RLS RES (incl LEN) /
DiegoOstuni	0:75fc82583a41	92	#define NFCIP_TARGET_RES_MAX ( MAX( NFCIP_RLSRES_MAX_LEN, NFCIP_DSLRES_MAX_LEN) ) /!< Max target control res length /
DiegoOstuni	0:75fc82583a41	93
DiegoOstuni	0:75fc82583a41	94
DiegoOstuni	0:75fc82583a41	95
DiegoOstuni	0:75fc82583a41	96	#define NFCIP_NO_FWT RFAL_FWT_NONE /!< No FWT value - Target Mode /
DiegoOstuni	0:75fc82583a41	97	#define NFCIP_INIT_MIN_RTOX 1 /!< Minimum RTOX value Digital 1.0 14.8.4.1 /
DiegoOstuni	0:75fc82583a41	98	#define NFCIP_INIT_MAX_RTOX 59 /!< Maximum RTOX value Digital 1.0 14.8.4.1 /
DiegoOstuni	0:75fc82583a41	99
DiegoOstuni	0:75fc82583a41	100	#define NFCIP_TARG_MIN_RTOX 1 /!< Minimum target RTOX value Digital 1.0 14.8.4.1 /
DiegoOstuni	0:75fc82583a41	101	#define NFCIP_TARG_MAX_RTOX 59 /!< Maximum target RTOX value Digital 1.0 14.8.4.1 /
DiegoOstuni	0:75fc82583a41	102
DiegoOstuni	0:75fc82583a41	103	#define NFCIP_TRECOV (1280 / 64) /!< Digital 1.0 A.10 Trecov /
DiegoOstuni	0:75fc82583a41	104
DiegoOstuni	0:75fc82583a41	105	#define NFCIP_TIMEOUT_ADJUSTMENT 8 /!< Timeout Adjustment to compensate timing from end of Tx to end of frame: (512/64)/fc /
DiegoOstuni	0:75fc82583a41	106	#define NFCIP_RWT_ACTIVATION (0x40001 + NFCIP_TIMEOUT_ADJUSTMENT) /!< Digital 1.0 A.10 RWT ACTIVATION 2^24/64[64/fc] + RWT Delta + Adjustment /
DiegoOstuni	0:75fc82583a41	107
DiegoOstuni	0:75fc82583a41	108	#define RFAL_NFCDEP_HEADER_PAD (RFAL_NFCDEP_DEPREQ_HEADER_LEN - RFAL_NFCDEP_LEN_MIN) /!< Difference between expected rcvd header len and max foreseen /
DiegoOstuni	0:75fc82583a41	109
DiegoOstuni	0:75fc82583a41	110
DiegoOstuni	0:75fc82583a41	111	#define NFCIP_MAX_TX_RETRYS 3 /!< Number of retransmit retyrs /
DiegoOstuni	0:75fc82583a41	112	#define NFCIP_MAX_TO_RETRYS 3 /!< Number of retrys for Timeout /
DiegoOstuni	0:75fc82583a41	113	#define NFCIP_MAX_RTOX_RETRYS 3 /!< Number of retrys for RTOX /
DiegoOstuni	0:75fc82583a41	114	#define NFCIP_MAX_NACK_RETRYS 3 /!< Number of retrys for NACK /
DiegoOstuni	0:75fc82583a41	115	#define NFCIP_MAX_ATN_RETRYS 3 /!< Number of retrys for ATN /
DiegoOstuni	0:75fc82583a41	116
DiegoOstuni	0:75fc82583a41	117	#define NFCIP_MIN_TXERROR_LEN 4 /!< Minimum frame length with error to be ignored Digital 1.0 14.12.5.4 /
DiegoOstuni	0:75fc82583a41	118
DiegoOstuni	0:75fc82583a41	119	#define NFCIP_REQ 0xD4 /!<NFCIP REQuest code /
DiegoOstuni	0:75fc82583a41	120	#define NFCIP_RES 0xD5 /!<NFCIP RESponce code /
DiegoOstuni	0:75fc82583a41	121
DiegoOstuni	0:75fc82583a41	122	#define NFCIP_BS_MASK 0x0F /!< Bit mask for BS value on a ATR REQ/RES /
DiegoOstuni	0:75fc82583a41	123	#define NFCIP_BR_MASK NFCIP_BS_MASK /!< Bit mask for BR value on a ATR REQ/RES /
DiegoOstuni	0:75fc82583a41	124
DiegoOstuni	0:75fc82583a41	125	#define NFCIP_PP_GB_MASK 0x02 /!< Bit mask for GB value in PP byte on a ATR REQ/RES /
DiegoOstuni	0:75fc82583a41	126	#define NFCIP_PP_NAD_MASK 0x01 /!< Bit mask for NAD value in PP byte on a ATR REQ/RES /
DiegoOstuni	0:75fc82583a41	127
DiegoOstuni	0:75fc82583a41	128	#define NFCIP_PFB_xPDU_MASK 0xE0 /!< Bit mask for PDU type /
DiegoOstuni	0:75fc82583a41	129	#define NFCIP_PFB_IPDU 0x00 /!< Bit mask indicating a Information PDU /
DiegoOstuni	0:75fc82583a41	130	#define NFCIP_PFB_RPDU 0x40 /!< Bit mask indicating a Response PDU /
DiegoOstuni	0:75fc82583a41	131	#define NFCIP_PFB_SPDU 0x80 /!< Bit mask indicating a Supervisory PDU /
DiegoOstuni	0:75fc82583a41	132
DiegoOstuni	0:75fc82583a41	133	#define NFCIP_PFB_MI_BIT 0x10 /!< Bit mask for the chaining bit (MI) of PFB /
DiegoOstuni	0:75fc82583a41	134	#define NFCIP_PFB_DID_BIT 0x04 /!< Bit mask for the DID presence bit of PFB /
DiegoOstuni	0:75fc82583a41	135	#define NFCIP_PFB_NAD_BIT 0x08 /!< Bit mask for the NAD presence bit of PFB /
DiegoOstuni	0:75fc82583a41	136	#define NFCIP_PFB_PNI_MASK 0x03 /!< Bit mask for the Packet Number Information /
DiegoOstuni	0:75fc82583a41	137
DiegoOstuni	0:75fc82583a41	138	#define NFCIP_PFB_Rx_MASK 0x10 /!< Bit mask for the R-PDU type /
DiegoOstuni	0:75fc82583a41	139	#define NFCIP_PFB_ACK 0x00 /!< Bit mask for R-PDU indicating ACK /
DiegoOstuni	0:75fc82583a41	140	#define NFCIP_PFB_NACK 0x10 /!< Bit mask for R-PDU indicating NAK /
DiegoOstuni	0:75fc82583a41	141
DiegoOstuni	0:75fc82583a41	142	#define NFCIP_PFB_Sx_MASK 0x10 /!< Bit mask for the R-PDU type /
DiegoOstuni	0:75fc82583a41	143	#define NFCIP_PFB_ATN 0x00 /!< Bit mask for R-PDU indicating ACK /
DiegoOstuni	0:75fc82583a41	144	#define NFCIP_PFB_TO 0x10 /!< Bit mask for R-PDU indicating NAK /
DiegoOstuni	0:75fc82583a41	145
DiegoOstuni	0:75fc82583a41	146	#define NFCIP_PFB_INVALID 0xFF /!< Invalid PFB value /
DiegoOstuni	0:75fc82583a41	147
DiegoOstuni	0:75fc82583a41	148	/*
DiegoOstuni	0:75fc82583a41	149	******************************************************************************
DiegoOstuni	0:75fc82583a41	150	* MACROS
DiegoOstuni	0:75fc82583a41	151	******************************************************************************
DiegoOstuni	0:75fc82583a41	152	*/
DiegoOstuni	0:75fc82583a41	153
DiegoOstuni	0:75fc82583a41	154	#define nfcipIsTransmissionError(e) ( (ERR_NO_MASK(e) == ERR_CRC) \|\| (ERR_NO_MASK(e) == ERR_FRAMING) \|\| (ERR_NO_MASK(e) == ERR_PAR) ) /!< Checks if is a Trasmission error /
DiegoOstuni	0:75fc82583a41	155
DiegoOstuni	0:75fc82583a41	156
DiegoOstuni	0:75fc82583a41	157	#define nfcipConv1FcToMs( v ) (((v * 64) / 13560) + 1) /!< Converts value v 1fc into milliseconds (fc=13.56) /
DiegoOstuni	0:75fc82583a41	158
DiegoOstuni	0:75fc82583a41	159	#define nfcipCmdIsReq( cmd ) ((cmd % 2) == 0) /!< Checks if the nfcip cmd is a REQ /
DiegoOstuni	0:75fc82583a41	160
DiegoOstuni	0:75fc82583a41	161	#define nfcip_PFBhasDID( pfb ) ( (pfb & NFCIP_PFB_DID_BIT) == NFCIP_PFB_DID_BIT) /!< Checks if pfb is signalling DID /
DiegoOstuni	0:75fc82583a41	162	#define nfcip_PFBhasNAD( pfb ) ( (pfb & NFCIP_PFB_NAD_BIT) == NFCIP_PFB_NAD_BIT) /!< Checks if pfb is signalling NAD /
DiegoOstuni	0:75fc82583a41	163
DiegoOstuni	0:75fc82583a41	164	#define nfcip_PFBisIPDU( pfb ) ( (pfb & NFCIP_PFB_xPDU_MASK) == NFCIP_PFB_IPDU) /!< Checks if pfb is a Information PDU /
DiegoOstuni	0:75fc82583a41	165	#define nfcip_PFBisRPDU( pfb ) ( (pfb & NFCIP_PFB_xPDU_MASK) == NFCIP_PFB_RPDU) /!< Checks if pfb is Response PDU /
DiegoOstuni	0:75fc82583a41	166	#define nfcip_PFBisSPDU( pfb ) ( (pfb & NFCIP_PFB_xPDU_MASK) == NFCIP_PFB_SPDU) /!< Checks if pfb is a Supervisory PDU /
DiegoOstuni	0:75fc82583a41	167
DiegoOstuni	0:75fc82583a41	168	#define nfcip_PFBisIMI( pfb ) ( nfcip_PFBisIPDU( pfb ) && (pfb & NFCIP_PFB_MI_BIT) == NFCIP_PFB_MI_BIT) /!< Checks if pfb is a Information PDU indicating MI chaining /
DiegoOstuni	0:75fc82583a41	169
DiegoOstuni	0:75fc82583a41	170	#define nfcip_PFBisRNACK( pfb ) ( nfcip_PFBisRPDU( pfb ) && ((pfb & NFCIP_PFB_Rx_MASK) == NFCIP_PFB_NACK)) /!< Checks if pfb is a R-PDU indicating NACK /
DiegoOstuni	0:75fc82583a41	171	#define nfcip_PFBisRACK( pfb ) ( nfcip_PFBisRPDU( pfb ) && ((pfb & NFCIP_PFB_Rx_MASK) == NFCIP_PFB_ACK )) /!< Checks if pfb is a R-PDU indicating ACK /
DiegoOstuni	0:75fc82583a41	172
DiegoOstuni	0:75fc82583a41	173	#define nfcip_PFBisSATN( pfb ) ( nfcip_PFBisSPDU( pfb ) && ((pfb & NFCIP_PFB_Sx_MASK) == NFCIP_PFB_ATN)) /!< Checks if pfb is a R-PDU indicating ATN /
DiegoOstuni	0:75fc82583a41	174	#define nfcip_PFBisSTO( pfb ) ( nfcip_PFBisSPDU( pfb ) && ((pfb & NFCIP_PFB_Sx_MASK) == NFCIP_PFB_TO) ) /!< Checks if pfb is a R-PDU indicating TO /
DiegoOstuni	0:75fc82583a41	175
DiegoOstuni	0:75fc82583a41	176
DiegoOstuni	0:75fc82583a41	177	#define nfcip_PFBIPDU( pni ) ( (uint8_t)( 0x00 \| NFCIP_PFB_IPDU \| (pni & NFCIP_PFB_PNI_MASK) ))/!< Returns a PFB I-PDU with the given packet number (pni) /
DiegoOstuni	0:75fc82583a41	178	#define nfcip_PFBIPDU_MI( pni ) ( (uint8_t)(isoDep_PCBIBlock(pni) \| NFCIP_PFB_MI_BIT)) /!< Returns a PFB I-PDU with the given packet number (pni) indicating chaing /
DiegoOstuni	0:75fc82583a41	179
DiegoOstuni	0:75fc82583a41	180	#define nfcip_PFBRPDU( pni ) ( (uint8_t)( 0x00 \| NFCIP_PFB_RPDU \| (pni & NFCIP_PFB_PNI_MASK) ))/!< Returns a PFB R-PDU with the given packet number (pni) /
DiegoOstuni	0:75fc82583a41	181	#define nfcip_PFBRPDU_NACK( pni ) ( (uint8_t)(nfcip_PFBRPDU(pni) \| NFCIP_PFB_NACK)) /!< Returns a PFB R-PDU with the given packet number (pni) indicating NACK /
DiegoOstuni	0:75fc82583a41	182	#define nfcip_PFBRPDU_ACK( pni ) ( (uint8_t)(nfcip_PFBRPDU(pni) \| NFCIP_PFB_ACK)) /!< Returns a PFB R-PDU with the given packet number (pni) indicating ACK /
DiegoOstuni	0:75fc82583a41	183
DiegoOstuni	0:75fc82583a41	184	#define nfcip_PFBSPDU() ( (uint8_t)( 0x00 \| NFCIP_PFB_SPDU )) /!< Returns a PFB S-PDU /
DiegoOstuni	0:75fc82583a41	185	#define nfcip_PFBSPDU_ATN() ( (uint8_t)(nfcip_PFBSPDU() \| NFCIP_PFB_ATN)) /!< Returns a PFB S-PDU indicating ATN /
DiegoOstuni	0:75fc82583a41	186	#define nfcip_PFBSPDU_TO() ( (uint8_t)(nfcip_PFBSPDU() \| NFCIP_PFB_TO)) /!< Returns a PFB S-PDU indicating TO /
DiegoOstuni	0:75fc82583a41	187
DiegoOstuni	0:75fc82583a41	188
DiegoOstuni	0:75fc82583a41	189	#define nfcip_PNIInc( pni ) ( (uint8_t) ((pni+1) & NFCIP_PFB_PNI_MASK) ) /!< Returns a incremented PNI from the given (pni) /
DiegoOstuni	0:75fc82583a41	190	#define nfcip_PNIDec( pni ) ( (uint8_t) ((pni-1) & NFCIP_PFB_PNI_MASK) ) /!< Returns a decremented PNI from the given (pni) /
DiegoOstuni	0:75fc82583a41	191
DiegoOstuni	0:75fc82583a41	192	#define nfcip_PBF_PNI( pfb ) ( (uint8_t) (pfb & NFCIP_PFB_PNI_MASK )) /!< Returns the Packet Number Information (pni) /
DiegoOstuni	0:75fc82583a41	193
DiegoOstuni	0:75fc82583a41	194	#define nfcip_PPwGB( lr ) ( rfalNfcDepLR2PP( lr ) \| NFCIP_PP_GB_MASK) /!< Returns a PP byte containing the given PP value indicating GB /
DiegoOstuni	0:75fc82583a41	195
DiegoOstuni	0:75fc82583a41	196	#define nfcip_DIDMax( did ) ( MIN( (did), RFAL_NFCDEP_DID_MAX) ) /!< Ensures that the given did has proper value Digital 14.6.2.3 DID [0 14] /
DiegoOstuni	0:75fc82583a41	197	#define nfcip_RTOXTargMax( wt ) ( MIN( (RFAL_NFCDEP_RWT_TRG_MAX / rfalNfcDepWT2RWT(wt)), NFCIP_TARG_MAX_RTOX) )/!< Calculates the Maximum RTOX value for the given wt as a Target /
DiegoOstuni	0:75fc82583a41	198
DiegoOstuni	0:75fc82583a41	199	#define nfcipIsInitiator( st ) ( ((st) >= NFCIP_ST_INIT_IDLE) && ((st) <= NFCIP_ST_INIT_RLS) )/!< Checks if module is set as Initiator /
DiegoOstuni	0:75fc82583a41	200	#define nfcipIsTarget( st ) (!nfcipIsInitiator(st)) /!< Checks if module is set as Target /
DiegoOstuni	0:75fc82583a41	201
DiegoOstuni	0:75fc82583a41	202	#define nfcipIsBRAllowed( br, mBR ) (((1<<(br)) & mBR) != 0) /!< Checks bit rate is allowed by given mask /
DiegoOstuni	0:75fc82583a41	203
DiegoOstuni	0:75fc82583a41	204	#define nfcipIsEmptyDEPEnabled( op ) (!nfcipIsEmptyDEPDisabled(op)) /!< Checks if empty payload is allowed by operation config NCI 1.0 Table 81 /
DiegoOstuni	0:75fc82583a41	205	#define nfcipIsEmptyDEPDisabled( op ) ((op & RFAL_NFCDEP_OPER_EMPTY_DEP_DIS) != 0) /!< Checks if empty payload is not allowed by operation config NCI 1.0 Table 81 /
DiegoOstuni	0:75fc82583a41	206
DiegoOstuni	0:75fc82583a41	207	#define nfcipIsRTOXReqEnabled( op ) (!nfcipIsRTOXReqDisabled(op)) /!< Checks if send a RTOX_REQ is allowed by operation config NCI 1.0 Table 81 /
DiegoOstuni	0:75fc82583a41	208	#define nfcipIsRTOXReqDisabled( op ) ((op & RFAL_NFCDEP_OPER_RTOX_REQ_DIS) != 0) /!< Checks if send a RTOX_REQ is not allowed by operation config NCI 1.0 Table 81 /
DiegoOstuni	0:75fc82583a41	209
DiegoOstuni	0:75fc82583a41	210
DiegoOstuni	0:75fc82583a41	211	/! Checks if isDeactivating callback is set and calls it, otherwise returns false /
DiegoOstuni	0:75fc82583a41	212	#define nfcipIsDeactivationPending() ( (gNfcip.isDeactivating == NULL) ? false : gNfcip.isDeactivating() )
DiegoOstuni	0:75fc82583a41	213
DiegoOstuni	0:75fc82583a41	214
DiegoOstuni	0:75fc82583a41	215	#define nfcipRTOXAdjust( v ) (v - (v>>3)) /!< Adjust RTOX timer value to a percentage of the total, current 88% /
DiegoOstuni	0:75fc82583a41	216
DiegoOstuni	0:75fc82583a41	217	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	218
DiegoOstuni	0:75fc82583a41	219	/* timerPollTimeoutValue is necessary after timerCalculateTimeout so that system will wake up upon timer timeout. */
DiegoOstuni	0:75fc82583a41	220	#define nfcipTimerStart( timer, time_ms ) timer = platformTimerCreate(time_ms) /!< Configures and starts the RTOX timer /
DiegoOstuni	0:75fc82583a41	221	#define nfcipTimerisExpired( timer ) platformTimerIsExpired( timer ) /!< Checks RTOX timer has expired /
DiegoOstuni	0:75fc82583a41	222
DiegoOstuni	0:75fc82583a41	223	#define nfcipLogE(...) /!< Macro for the error log method /
DiegoOstuni	0:75fc82583a41	224	#define nfcipLogW(...) /!< Macro for the warning log method /
DiegoOstuni	0:75fc82583a41	225	#define nfcipLogI(...) /!< Macro for the info log method /
DiegoOstuni	0:75fc82583a41	226	#define nfcipLogD(...) /!< Macro for the debug log method /
DiegoOstuni	0:75fc82583a41	227
DiegoOstuni	0:75fc82583a41	228
DiegoOstuni	0:75fc82583a41	229	/! Digital 1.1 - 16.12.5.2 The Target SHALL NOT attempt any error recovery and remains in Rx mode upon Transmission or a Protocol Error /
DiegoOstuni	0:75fc82583a41	230	#define nfcDepReEnableRx( rxB, rxBL, rxL ) rfalTransceiveBlockingTx( NULL, 0, rxB, rxBL, rxL, ( RFAL_TXRX_FLAGS_DEFAULT \| RFAL_TXRX_FLAGS_NFCIP1_ON ), RFAL_FWT_NONE, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 )
DiegoOstuni	0:75fc82583a41	231
DiegoOstuni	0:75fc82583a41	232
DiegoOstuni	0:75fc82583a41	233	uint8_t txBuf[RFAL_NFCDEP_ATRREQ_MAX_LEN];
DiegoOstuni	0:75fc82583a41	234	uint8_t rxBuf[NFCIP_ATRRES_BUF_LEN];
DiegoOstuni	0:75fc82583a41	235
DiegoOstuni	0:75fc82583a41	236	uint8_t txBufPSL[NFCIP_PSLREQ_LEN];
DiegoOstuni	0:75fc82583a41	237	uint8_t pslBufPSL[NFCIP_PSLPAY_LEN];
DiegoOstuni	0:75fc82583a41	238	uint8_t rxBufPSL[NFCIP_PSLRES_LEN];
DiegoOstuni	0:75fc82583a41	239
DiegoOstuni	0:75fc82583a41	240	uint8_t txBufDSL[ RFAL_NFCDEP_HEADER_PAD + NFCIP_DSLREQ_LEN];
DiegoOstuni	0:75fc82583a41	241	uint8_t rxBufDSL[NFCIP_DSLRES_LEN];
DiegoOstuni	0:75fc82583a41	242
DiegoOstuni	0:75fc82583a41	243	uint8_t txBufRLS[RFAL_NFCDEP_HEADER_PAD + NFCIP_RLSREQ_LEN];
DiegoOstuni	0:75fc82583a41	244	uint8_t rxBufRLS[NFCIP_RLSRES_LEN];
DiegoOstuni	0:75fc82583a41	245
DiegoOstuni	0:75fc82583a41	246	/*
DiegoOstuni	0:75fc82583a41	247	******************************************************************************
DiegoOstuni	0:75fc82583a41	248	* LOCAL DATA TYPES
DiegoOstuni	0:75fc82583a41	249	******************************************************************************
DiegoOstuni	0:75fc82583a41	250	*/
DiegoOstuni	0:75fc82583a41	251
DiegoOstuni	0:75fc82583a41	252	/! Struct that holds all DEP parameters/configs for the following communications /
DiegoOstuni	0:75fc82583a41	253	typedef struct{
DiegoOstuni	0:75fc82583a41	254	uint8_t did; /!< Device ID (DID) to be used /
DiegoOstuni	0:75fc82583a41	255
DiegoOstuni	0:75fc82583a41	256	uint8_t* txBuf; /!< Pointer to the Tx buffer to be sent /
DiegoOstuni	0:75fc82583a41	257	uint16_t txBufLen; /!< Length of the data in the txBuf /
DiegoOstuni	0:75fc82583a41	258	uint8_t txBufPaylPos; /!< Position inside txBuf where data starts /
DiegoOstuni	0:75fc82583a41	259	uint8_t txChaining; /!< Flag indicating chaining on transmission /
DiegoOstuni	0:75fc82583a41	260
DiegoOstuni	0:75fc82583a41	261	uint8_t* rxBuf; /!< Pointer to the Rx buffer for incoming data /
DiegoOstuni	0:75fc82583a41	262	uint16_t rxBufLen; /!< Length of the data in the rxBuf /
DiegoOstuni	0:75fc82583a41	263	uint8_t rxBufPaylPos; /!< Position inside rxBuf where data is to be placed/
DiegoOstuni	0:75fc82583a41	264
DiegoOstuni	0:75fc82583a41	265	uint32_t fwt; /!< Frame Waiting Time (FWT) to be used /
DiegoOstuni	0:75fc82583a41	266	uint32_t dFwt; /!< Delta Frame Waiting Time (dFWT) to be used /
DiegoOstuni	0:75fc82583a41	267	uint16_t fsc; /!< Frame Size (FSC) to be used /
DiegoOstuni	0:75fc82583a41	268
DiegoOstuni	0:75fc82583a41	269	} rfalNfcDepDEPParams;
DiegoOstuni	0:75fc82583a41	270
DiegoOstuni	0:75fc82583a41	271	/! NFCIP module states /
DiegoOstuni	0:75fc82583a41	272	typedef enum NfcipState
DiegoOstuni	0:75fc82583a41	273	{
DiegoOstuni	0:75fc82583a41	274	NFCIP_ST_IDLE,
DiegoOstuni	0:75fc82583a41	275	NFCIP_ST_INIT_IDLE,
DiegoOstuni	0:75fc82583a41	276	NFCIP_ST_INIT_ATR,
DiegoOstuni	0:75fc82583a41	277	NFCIP_ST_INIT_PSL,
DiegoOstuni	0:75fc82583a41	278	NFCIP_ST_INIT_DEP_IDLE,
DiegoOstuni	0:75fc82583a41	279	NFCIP_ST_INIT_DEP_TX,
DiegoOstuni	0:75fc82583a41	280	NFCIP_ST_INIT_DEP_RX,
DiegoOstuni	0:75fc82583a41	281	NFCIP_ST_INIT_DEP_ATN,
DiegoOstuni	0:75fc82583a41	282	NFCIP_ST_INIT_DSL,
DiegoOstuni	0:75fc82583a41	283	NFCIP_ST_INIT_RLS,
DiegoOstuni	0:75fc82583a41	284
DiegoOstuni	0:75fc82583a41	285	NFCIP_ST_TARG_WAIT_ATR,
DiegoOstuni	0:75fc82583a41	286	NFCIP_ST_TARG_WAIT_ACTV,
DiegoOstuni	0:75fc82583a41	287	NFCIP_ST_TARG_DEP_IDLE,
DiegoOstuni	0:75fc82583a41	288	NFCIP_ST_TARG_DEP_RX,
DiegoOstuni	0:75fc82583a41	289	NFCIP_ST_TARG_DEP_RTOX,
DiegoOstuni	0:75fc82583a41	290	NFCIP_ST_TARG_DEP_TX,
DiegoOstuni	0:75fc82583a41	291	NFCIP_ST_TARG_DEP_SLEEP
DiegoOstuni	0:75fc82583a41	292	} rfalNfcDepState;
DiegoOstuni	0:75fc82583a41	293
DiegoOstuni	0:75fc82583a41	294	/! NFCIP commands (Request, Response) /
DiegoOstuni	0:75fc82583a41	295	typedef enum{
DiegoOstuni	0:75fc82583a41	296	NFCIP_CMD_ATR_REQ = 0x00,
DiegoOstuni	0:75fc82583a41	297	NFCIP_CMD_ATR_RES = 0x01,
DiegoOstuni	0:75fc82583a41	298	NFCIP_CMD_WUP_REQ = 0x02,
DiegoOstuni	0:75fc82583a41	299	NFCIP_CMD_WUP_RES = 0x03,
DiegoOstuni	0:75fc82583a41	300	NFCIP_CMD_PSL_REQ = 0x04,
DiegoOstuni	0:75fc82583a41	301	NFCIP_CMD_PSL_RES = 0x05,
DiegoOstuni	0:75fc82583a41	302	NFCIP_CMD_DEP_REQ = 0x06,
DiegoOstuni	0:75fc82583a41	303	NFCIP_CMD_DEP_RES = 0x07,
DiegoOstuni	0:75fc82583a41	304	NFCIP_CMD_DSL_REQ = 0x08,
DiegoOstuni	0:75fc82583a41	305	NFCIP_CMD_DSL_RES = 0x09,
DiegoOstuni	0:75fc82583a41	306	NFCIP_CMD_RLS_REQ = 0x0A,
DiegoOstuni	0:75fc82583a41	307	NFCIP_CMD_RLS_RES = 0x0B
DiegoOstuni	0:75fc82583a41	308	} rfalNfcDepCmd;
DiegoOstuni	0:75fc82583a41	309
DiegoOstuni	0:75fc82583a41	310
DiegoOstuni	0:75fc82583a41	311	/! Struct that holds all NFCIP data /
DiegoOstuni	0:75fc82583a41	312	typedef struct{
DiegoOstuni	0:75fc82583a41	313	rfalNfcDepConfigs cfg; /!< Holds the current configuration to be used /
DiegoOstuni	0:75fc82583a41	314
DiegoOstuni	0:75fc82583a41	315	rfalNfcDepState state; /!< Current state of the NFCIP module /
DiegoOstuni	0:75fc82583a41	316	uint8_t pni; /!< Packet Number Information (PNI) counter /
DiegoOstuni	0:75fc82583a41	317
DiegoOstuni	0:75fc82583a41	318	uint8_t lastCmd; /!< Last command sent /
DiegoOstuni	0:75fc82583a41	319	uint8_t lastPFB; /!< Last PFB sent /
DiegoOstuni	0:75fc82583a41	320	uint8_t lastPFBnATN; /!< Last PFB sent (excluding ATN) /
DiegoOstuni	0:75fc82583a41	321	uint8_t lastRTOX; /!< Last RTOX value sent /
DiegoOstuni	0:75fc82583a41	322
DiegoOstuni	0:75fc82583a41	323	uint8_t cntTxRetrys; /!< Retransmissions counter /
DiegoOstuni	0:75fc82583a41	324	uint8_t cntTORetrys; /!< Timeouts counter /
DiegoOstuni	0:75fc82583a41	325	uint8_t cntRTOXRetrys; /!< RTOX counter /
DiegoOstuni	0:75fc82583a41	326	uint8_t cntNACKRetrys; /!< NACK counter /
DiegoOstuni	0:75fc82583a41	327	uint8_t cntATNRetrys; /!< Attention (ATN) counter /
DiegoOstuni	0:75fc82583a41	328
DiegoOstuni	0:75fc82583a41	329	uint16_t fsc; /!< Current Frame Size (FSC) to be used /
DiegoOstuni	0:75fc82583a41	330	bool isTxChaining; /!< Flag for chaining on Transmission /
DiegoOstuni	0:75fc82583a41	331	bool isRxChaining; /!< Flag for chaining on Reception /
DiegoOstuni	0:75fc82583a41	332	uint8_t* txBuf; /!< Pointer to the Tx buffer to be sent /
DiegoOstuni	0:75fc82583a41	333	uint8_t* rxBuf; /!< Pointer to the Rx buffer for incoming data /
DiegoOstuni	0:75fc82583a41	334	uint16_t txBufLen; /!< Length of the data in the txBuf /
DiegoOstuni	0:75fc82583a41	335	uint16_t rxBufLen; /!< Length of rxBuf buffer /
DiegoOstuni	0:75fc82583a41	336	uint16_t* rxRcvdLen; /!< Length of the data in the rxBuf /
DiegoOstuni	0:75fc82583a41	337	uint8_t txBufPaylPos; /!< Position in txBuf where data starts /
DiegoOstuni	0:75fc82583a41	338	uint8_t rxBufPaylPos; /!< Position in rxBuf where data is to be placed /
DiegoOstuni	0:75fc82583a41	339	bool isChaining; /!< Flag for chaining on Reception */
DiegoOstuni	0:75fc82583a41	340
DiegoOstuni	0:75fc82583a41	341	rfalNfcDepDevice nfcDepDev; /!< Pointer to NFC-DEP device info */
DiegoOstuni	0:75fc82583a41	342
DiegoOstuni	0:75fc82583a41	343	uint32_t RTOXTimer; /!< Timer used for RTOX /
DiegoOstuni	0:75fc82583a41	344	rfalNfcDepDeactCallback isDeactivating; /!< Deactivating flag check callback /
DiegoOstuni	0:75fc82583a41	345
DiegoOstuni	0:75fc82583a41	346	bool isReqPending; /!< Flag pending REQ from Target activation /
DiegoOstuni	0:75fc82583a41	347	bool isTxPending; /!< Flag pending DEP Block while waiting RTOX Ack /
DiegoOstuni	0:75fc82583a41	348	bool isWait4RTOX; /!< Flag for waiting RTOX Ack /
DiegoOstuni	0:75fc82583a41	349	}rfalNfcDep;
DiegoOstuni	0:75fc82583a41	350
DiegoOstuni	0:75fc82583a41	351
DiegoOstuni	0:75fc82583a41	352	/*
DiegoOstuni	0:75fc82583a41	353	******************************************************************************
DiegoOstuni	0:75fc82583a41	354	* LOCAL VARIABLES
DiegoOstuni	0:75fc82583a41	355	******************************************************************************
DiegoOstuni	0:75fc82583a41	356	*/
DiegoOstuni	0:75fc82583a41	357
DiegoOstuni	0:75fc82583a41	358	static rfalNfcDep gNfcip; /!< NFCIP module instance /
DiegoOstuni	0:75fc82583a41	359
DiegoOstuni	0:75fc82583a41	360
DiegoOstuni	0:75fc82583a41	361	/*
DiegoOstuni	0:75fc82583a41	362	******************************************************************************
DiegoOstuni	0:75fc82583a41	363	* LOCAL FUNCTION PROTOTYPES
DiegoOstuni	0:75fc82583a41	364	******************************************************************************
DiegoOstuni	0:75fc82583a41	365	*/
DiegoOstuni	0:75fc82583a41	366
DiegoOstuni	0:75fc82583a41	367	static ReturnCode nfcipTxRx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint32_t fwt, uint8_t* paylBuf, uint8_t paylBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t rxActLen, 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 );
DiegoOstuni	0:75fc82583a41	368	static ReturnCode nfcipTx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint8_t paylBuf, uint16_t paylLen, uint8_t pfb, uint32_t fwt, 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 );
DiegoOstuni	0:75fc82583a41	369	static ReturnCode nfcipDEPControlMsg( uint8_t pfb, uint8_t RTOX, 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 );
DiegoOstuni	0:75fc82583a41	370	static ReturnCode nfcipInitiatorHandleDEP( ReturnCode rxRes, uint16_t rxLen, uint16_t outActRxLen, bool outIsChaining, 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 );
DiegoOstuni	0:75fc82583a41	371	static ReturnCode nfcipTargetHandleRX( ReturnCode rxRes, uint16_t outActRxLen, bool outIsChaining, 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 );
DiegoOstuni	0:75fc82583a41	372	static ReturnCode nfcipTargetHandleActivation( rfalNfcDepDevice nfcDepDev, uint8_t outBRS, 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 );
DiegoOstuni	0:75fc82583a41	373
DiegoOstuni	0:75fc82583a41	374
DiegoOstuni	0:75fc82583a41	375	/*!
DiegoOstuni	0:75fc82583a41	376	******************************************************************************
DiegoOstuni	0:75fc82583a41	377	* \brief NFCIP Congigure
DiegoOstuni	0:75fc82583a41	378	*
DiegoOstuni	0:75fc82583a41	379	* Configures the nfcip layer with the given configurations
DiegoOstuni	0:75fc82583a41	380	*
DiegoOstuni	0:75fc82583a41	381	* \param[in] cfg : nfcip configuration for following communication
DiegoOstuni	0:75fc82583a41	382	******************************************************************************
DiegoOstuni	0:75fc82583a41	383	*/
DiegoOstuni	0:75fc82583a41	384	static void nfcipConfig( rfalNfcDepConfigs cfg );
DiegoOstuni	0:75fc82583a41	385
DiegoOstuni	0:75fc82583a41	386
DiegoOstuni	0:75fc82583a41	387	/*!
DiegoOstuni	0:75fc82583a41	388	******************************************************************************
DiegoOstuni	0:75fc82583a41	389	* \brief Set DEP parameters
DiegoOstuni	0:75fc82583a41	390	*
DiegoOstuni	0:75fc82583a41	391	* This method sets the parameters/configs for following Data Exchange
DiegoOstuni	0:75fc82583a41	392	* Sets the nfcip module state according to the role it is configured
DiegoOstuni	0:75fc82583a41	393	*
DiegoOstuni	0:75fc82583a41	394	*
DiegoOstuni	0:75fc82583a41	395	* \warning To be used only after proper Initiator/Target activation:
DiegoOstuni	0:75fc82583a41	396	* nfcipTargetHandleActivation() or nfcipInitiatorActivate() has
DiegoOstuni	0:75fc82583a41	397	* returned success
DiegoOstuni	0:75fc82583a41	398	*
DiegoOstuni	0:75fc82583a41	399	* This must be called before nfcipRun() in case of Target to pass
DiegoOstuni	0:75fc82583a41	400	* rxBuffer
DiegoOstuni	0:75fc82583a41	401	*
DiegoOstuni	0:75fc82583a41	402	* Everytime some data needs to be transmitted call this to set it and
DiegoOstuni	0:75fc82583a41	403	* call nfcipRun() until done or error
DiegoOstuni	0:75fc82583a41	404	*
DiegoOstuni	0:75fc82583a41	405	* \param[in] DEPParams : the parameters to be used during Data Exchange
DiegoOstuni	0:75fc82583a41	406	******************************************************************************
DiegoOstuni	0:75fc82583a41	407	*/
DiegoOstuni	0:75fc82583a41	408	static void nfcipSetDEPParams( rfalNfcDepDEPParams *DEPParams );
DiegoOstuni	0:75fc82583a41	409
DiegoOstuni	0:75fc82583a41	410
DiegoOstuni	0:75fc82583a41	411	/*!
DiegoOstuni	0:75fc82583a41	412	******************************************************************************
DiegoOstuni	0:75fc82583a41	413	* \brief NFCIP run protocol
DiegoOstuni	0:75fc82583a41	414	*
DiegoOstuni	0:75fc82583a41	415	* This method handles all the nfcip protocol during Data Exchange (DEP
DiegoOstuni	0:75fc82583a41	416	* requests and responses).
DiegoOstuni	0:75fc82583a41	417	*
DiegoOstuni	0:75fc82583a41	418	* A data exchange cycle is considered a DEP REQ and a DEP RES.
DiegoOstuni	0:75fc82583a41	419	*
DiegoOstuni	0:75fc82583a41	420	* In case of Tx chaining(MI) must signal it with nfcipSetDEPParams()
DiegoOstuni	0:75fc82583a41	421	* In case of Rx chaining(MI) outIsChaining will be set to true and the
DiegoOstuni	0:75fc82583a41	422	* current data returned
DiegoOstuni	0:75fc82583a41	423	*
DiegoOstuni	0:75fc82583a41	424	* \param[out] outActRxLen : data received length
DiegoOstuni	0:75fc82583a41	425	* \param[out] outIsChaining : true if other peer is performing chaining(MI)
DiegoOstuni	0:75fc82583a41	426	*
DiegoOstuni	0:75fc82583a41	427	* \return ERR_NONE : Data exchange cycle completed successfully
DiegoOstuni	0:75fc82583a41	428	* \return ERR_TIMEOUT : Timeout occurred
DiegoOstuni	0:75fc82583a41	429	* \return ERR_PROTO : Protocol error occurred
DiegoOstuni	0:75fc82583a41	430	* \return ERR_AGAIN : Other peer is doing chaining(MI), current block
DiegoOstuni	0:75fc82583a41	431	* was received successfully call again until complete
DiegoOstuni	0:75fc82583a41	432	*
DiegoOstuni	0:75fc82583a41	433	******************************************************************************
DiegoOstuni	0:75fc82583a41	434	*/
DiegoOstuni	0:75fc82583a41	435	static ReturnCode nfcipRun( uint16_t outActRxLen, bool outIsChaining, 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 );
DiegoOstuni	0:75fc82583a41	436
DiegoOstuni	0:75fc82583a41	437
DiegoOstuni	0:75fc82583a41	438	/*!
DiegoOstuni	0:75fc82583a41	439	******************************************************************************
DiegoOstuni	0:75fc82583a41	440	* \brief Transmission method
DiegoOstuni	0:75fc82583a41	441	*
DiegoOstuni	0:75fc82583a41	442	* This method checks if the current communication is Active or Passive
DiegoOstuni	0:75fc82583a41	443	* and performs the necessary procedures for each communication type
DiegoOstuni	0:75fc82583a41	444	*
DiegoOstuni	0:75fc82583a41	445	* Transmits the data hold in txBuf
DiegoOstuni	0:75fc82583a41	446	*
DiegoOstuni	0:75fc82583a41	447	* \param[in] txBuf : buffer to transmit
DiegoOstuni	0:75fc82583a41	448	* \param[in] txBufLen : txBuffer capacity
DiegoOstuni	0:75fc82583a41	449	* \param[in] fwt : fwt for current Tx
DiegoOstuni	0:75fc82583a41	450	*
DiegoOstuni	0:75fc82583a41	451	* \return ERR_NONE : No error
DiegoOstuni	0:75fc82583a41	452	******************************************************************************
DiegoOstuni	0:75fc82583a41	453	*/
DiegoOstuni	0:75fc82583a41	454	static ReturnCode nfcipDataTx( uint8_t* txBuf, uint16_t txBufLen, uint32_t fwt, 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 );
DiegoOstuni	0:75fc82583a41	455
DiegoOstuni	0:75fc82583a41	456
DiegoOstuni	0:75fc82583a41	457	/*!
DiegoOstuni	0:75fc82583a41	458	******************************************************************************
DiegoOstuni	0:75fc82583a41	459	* \brief Reception method
DiegoOstuni	0:75fc82583a41	460	*
DiegoOstuni	0:75fc82583a41	461	* This method checks if the current communication is Active or Passive
DiegoOstuni	0:75fc82583a41	462	* and calls the appropriate reception method
DiegoOstuni	0:75fc82583a41	463	*
DiegoOstuni	0:75fc82583a41	464	* Copies incoming data to rxBuf
DiegoOstuni	0:75fc82583a41	465	*
DiegoOstuni	0:75fc82583a41	466	* \param[out] rxBuf : buffer to hold incomming data
DiegoOstuni	0:75fc82583a41	467	* \param[in] rxBufLen : rxBuf capacity
DiegoOstuni	0:75fc82583a41	468	* \param[out] actualRxLen : length of the data received
DiegoOstuni	0:75fc82583a41	469	*
DiegoOstuni	0:75fc82583a41	470	* \return ERR_NONE : No error
DiegoOstuni	0:75fc82583a41	471	******************************************************************************
DiegoOstuni	0:75fc82583a41	472	*/
DiegoOstuni	0:75fc82583a41	473	static ReturnCode nfcipDataRx( void );
DiegoOstuni	0:75fc82583a41	474
DiegoOstuni	0:75fc82583a41	475
DiegoOstuni	0:75fc82583a41	476	/*
DiegoOstuni	0:75fc82583a41	477	******************************************************************************
DiegoOstuni	0:75fc82583a41	478	* LOCAL FUNCTIONS
DiegoOstuni	0:75fc82583a41	479	******************************************************************************
DiegoOstuni	0:75fc82583a41	480	*/
DiegoOstuni	0:75fc82583a41	481
DiegoOstuni	0:75fc82583a41	482	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	483
DiegoOstuni	0:75fc82583a41	484
DiegoOstuni	0:75fc82583a41	485	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	486	static bool nfcipDxIsSupported( uint8_t Dx, uint8_t BRx, uint8_t BSx )
DiegoOstuni	0:75fc82583a41	487	{
DiegoOstuni	0:75fc82583a41	488	uint8_t Bx;
DiegoOstuni	0:75fc82583a41	489
DiegoOstuni	0:75fc82583a41	490	/* Take the min of the possible bit rates, we'll use one for both directions */
DiegoOstuni	0:75fc82583a41	491	Bx = MIN(BRx, BSx);
DiegoOstuni	0:75fc82583a41	492
DiegoOstuni	0:75fc82583a41	493	/* Lower bit rates must be supported for P2P */
DiegoOstuni	0:75fc82583a41	494	if( (Dx <= RFAL_NFCDEP_Dx_04_424) )
DiegoOstuni	0:75fc82583a41	495	{
DiegoOstuni	0:75fc82583a41	496	return true;
DiegoOstuni	0:75fc82583a41	497	}
DiegoOstuni	0:75fc82583a41	498
DiegoOstuni	0:75fc82583a41	499	if( (Dx == RFAL_NFCDEP_Dx_08_848) && (Bx >= RFAL_NFCDEP_Bx_08_848) )
DiegoOstuni	0:75fc82583a41	500	{
DiegoOstuni	0:75fc82583a41	501	return true;
DiegoOstuni	0:75fc82583a41	502	}
DiegoOstuni	0:75fc82583a41	503
DiegoOstuni	0:75fc82583a41	504	return false;
DiegoOstuni	0:75fc82583a41	505	}
DiegoOstuni	0:75fc82583a41	506
DiegoOstuni	0:75fc82583a41	507
DiegoOstuni	0:75fc82583a41	508	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	509	static ReturnCode nfcipTxRx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint32_t fwt, uint8_t* paylBuf,
DiegoOstuni	0:75fc82583a41	510	uint8_t paylBufLen, uint8_t* rxBuf, uint16_t rxBufLen, uint16_t *rxActLen,
DiegoOstuni	0:75fc82583a41	511	SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ,
DiegoOstuni	0:75fc82583a41	512	DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03,
DiegoOstuni	0:75fc82583a41	513	DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
DiegoOstuni	0:75fc82583a41	514	{
DiegoOstuni	0:75fc82583a41	515	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	516	uint32_t reRun;
DiegoOstuni	0:75fc82583a41	517
DiegoOstuni	0:75fc82583a41	518	reRun = NFCIP_LOOP_MAX; /* set maximum loop reRuns */
DiegoOstuni	0:75fc82583a41	519
DiegoOstuni	0:75fc82583a41	520	if( (cmd == NFCIP_CMD_DEP_REQ) \|\| (cmd == NFCIP_CMD_DEP_RES) ) /* this method cannot be used for DEPs */
DiegoOstuni	0:75fc82583a41	521	{
DiegoOstuni	0:75fc82583a41	522	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	523	}
DiegoOstuni	0:75fc82583a41	524
DiegoOstuni	0:75fc82583a41	525	/* Assign the global params for this TxRx */
DiegoOstuni	0:75fc82583a41	526	gNfcip.rxBuf = rxBuf;
DiegoOstuni	0:75fc82583a41	527	gNfcip.rxBufLen = rxBufLen;
DiegoOstuni	0:75fc82583a41	528	gNfcip.rxRcvdLen = rxActLen;
DiegoOstuni	0:75fc82583a41	529
DiegoOstuni	0:75fc82583a41	530
DiegoOstuni	0:75fc82583a41	531	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	532	/* Transmission */
DiegoOstuni	0:75fc82583a41	533	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	534	if(txBuf != NULL) /* if nothing to Tx, just do Rx */
DiegoOstuni	0:75fc82583a41	535	{
DiegoOstuni	0:75fc82583a41	536	EXIT_ON_ERR( ret, nfcipTx( cmd, txBuf, paylBuf, paylBufLen, 0, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	537	}
DiegoOstuni	0:75fc82583a41	538
DiegoOstuni	0:75fc82583a41	539	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	540	/* Reception */
DiegoOstuni	0:75fc82583a41	541	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	542	do /* call Rx() until done or max reRuns reached */
DiegoOstuni	0:75fc82583a41	543	{
DiegoOstuni	0:75fc82583a41	544	ret = nfcipDataRx();
DiegoOstuni	0:75fc82583a41	545
DiegoOstuni	0:75fc82583a41	546
DiegoOstuni	0:75fc82583a41	547	rfalWorker( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	548
DiegoOstuni	0:75fc82583a41	549	if( !reRun-- ) /* if max reRuns reached return error */
DiegoOstuni	0:75fc82583a41	550	{
DiegoOstuni	0:75fc82583a41	551	return ERR_MAX_RERUNS;
DiegoOstuni	0:75fc82583a41	552	}
DiegoOstuni	0:75fc82583a41	553	}
DiegoOstuni	0:75fc82583a41	554	while( ret == ERR_NO_MASK(ERR_BUSY) );
DiegoOstuni	0:75fc82583a41	555
DiegoOstuni	0:75fc82583a41	556	if( ret != ERR_NONE )
DiegoOstuni	0:75fc82583a41	557	{
DiegoOstuni	0:75fc82583a41	558	return ret;
DiegoOstuni	0:75fc82583a41	559	}
DiegoOstuni	0:75fc82583a41	560
DiegoOstuni	0:75fc82583a41	561	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	562	rxActLen = rxBuf; /* Use LEN byte instead due to with/without CRC modes */
DiegoOstuni	0:75fc82583a41	563	return ERR_NONE; /* Tx and Rx completed successfully */
DiegoOstuni	0:75fc82583a41	564	}
DiegoOstuni	0:75fc82583a41	565
DiegoOstuni	0:75fc82583a41	566
DiegoOstuni	0:75fc82583a41	567	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	568	static ReturnCode nfcipDEPControlMsg( uint8_t pfb, uint8_t RTOX, 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 )
DiegoOstuni	0:75fc82583a41	569	{
DiegoOstuni	0:75fc82583a41	570	uint8_t ctrlMsg[20];
DiegoOstuni	0:75fc82583a41	571	rfalNfcDepCmd depCmd;
DiegoOstuni	0:75fc82583a41	572	uint32_t fwt;
DiegoOstuni	0:75fc82583a41	573
DiegoOstuni	0:75fc82583a41	574	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	575	/* Calculate Cmd and fwt to be used */
DiegoOstuni	0:75fc82583a41	576	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	577	depCmd = ((gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) ? NFCIP_CMD_DEP_RES : NFCIP_CMD_DEP_REQ);
DiegoOstuni	0:75fc82583a41	578	fwt = ((gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) ? NFCIP_NO_FWT : (nfcip_PFBisSTO( pfb ) ? ( (RTOX*gNfcip.cfg.fwt) + gNfcip.cfg.dFwt) : (gNfcip.cfg.fwt + gNfcip.cfg.dFwt) ) );
DiegoOstuni	0:75fc82583a41	579
DiegoOstuni	0:75fc82583a41	580	if( nfcip_PFBisSTO( pfb ) )
DiegoOstuni	0:75fc82583a41	581	{
DiegoOstuni	0:75fc82583a41	582	return nfcipTx( depCmd, ctrlMsg, &RTOX, sizeof(RTOX), pfb, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	583	}
DiegoOstuni	0:75fc82583a41	584	else
DiegoOstuni	0:75fc82583a41	585	{
DiegoOstuni	0:75fc82583a41	586	return nfcipTx( depCmd, ctrlMsg, 0, 0, pfb, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	587	}
DiegoOstuni	0:75fc82583a41	588	}
DiegoOstuni	0:75fc82583a41	589
DiegoOstuni	0:75fc82583a41	590	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	591	static void nfcipClearCounters( void )
DiegoOstuni	0:75fc82583a41	592	{
DiegoOstuni	0:75fc82583a41	593	gNfcip.cntATNRetrys = 0;
DiegoOstuni	0:75fc82583a41	594	gNfcip.cntNACKRetrys = 0;
DiegoOstuni	0:75fc82583a41	595	gNfcip.cntTORetrys = 0;
DiegoOstuni	0:75fc82583a41	596	gNfcip.cntTxRetrys = 0;
DiegoOstuni	0:75fc82583a41	597	gNfcip.cntRTOXRetrys = 0;
DiegoOstuni	0:75fc82583a41	598	}
DiegoOstuni	0:75fc82583a41	599
DiegoOstuni	0:75fc82583a41	600	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	601	static ReturnCode nfcipInitiatorHandleDEP( ReturnCode rxRes, uint16_t rxLen, uint16_t outActRxLen, bool outIsChaining, 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 )
DiegoOstuni	0:75fc82583a41	602	{
DiegoOstuni	0:75fc82583a41	603	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	604	uint8_t nfcDepLen;
DiegoOstuni	0:75fc82583a41	605	uint8_t rxMsgIt;
DiegoOstuni	0:75fc82583a41	606	uint8_t rxPFB;
DiegoOstuni	0:75fc82583a41	607	uint8_t rxRTOX;
DiegoOstuni	0:75fc82583a41	608	uint8_t optHdrLen;
DiegoOstuni	0:75fc82583a41	609
DiegoOstuni	0:75fc82583a41	610	ret = ERR_INTERNAL;
DiegoOstuni	0:75fc82583a41	611	rxMsgIt = 0;
DiegoOstuni	0:75fc82583a41	612	optHdrLen = 0;
DiegoOstuni	0:75fc82583a41	613
DiegoOstuni	0:75fc82583a41	614	*outActRxLen = 0;
DiegoOstuni	0:75fc82583a41	615	*outIsChaining = false;
DiegoOstuni	0:75fc82583a41	616
DiegoOstuni	0:75fc82583a41	617
DiegoOstuni	0:75fc82583a41	618	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	619	/* Handle reception errors */
DiegoOstuni	0:75fc82583a41	620	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	621	switch( rxRes )
DiegoOstuni	0:75fc82583a41	622	{
DiegoOstuni	0:75fc82583a41	623	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	624	/* Timeout -> Digital 1.0 14.15.5.6 */
DiegoOstuni	0:75fc82583a41	625	case ERR_TIMEOUT:
DiegoOstuni	0:75fc82583a41	626
DiegoOstuni	0:75fc82583a41	627	nfcipLogI( " NFCIP(I) TIMEOUT TORetrys:%d \r\n", gNfcip.cntTORetrys );
DiegoOstuni	0:75fc82583a41	628
DiegoOstuni	0:75fc82583a41	629	/* Digital 1.0 14.15.5.6 - If nTO >= Max raise protocol error */
DiegoOstuni	0:75fc82583a41	630	if( gNfcip.cntTORetrys++ >= NFCIP_MAX_TO_RETRYS )
DiegoOstuni	0:75fc82583a41	631	{
DiegoOstuni	0:75fc82583a41	632	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	633	}
DiegoOstuni	0:75fc82583a41	634
DiegoOstuni	0:75fc82583a41	635	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	636	/* Upon Timeout error, if Deactivation is pending, no more error recovery
DiegoOstuni	0:75fc82583a41	637	* will be done #54.
DiegoOstuni	0:75fc82583a41	638	* This is used to address the issue some devices that havea big TO.
DiegoOstuni	0:75fc82583a41	639	* Normally LLCP layer has timeout already, and NFCIP layer is still
DiegoOstuni	0:75fc82583a41	640	* running error handling, retrying ATN/NACKs */
DiegoOstuni	0:75fc82583a41	641	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	642	if( nfcipIsDeactivationPending() )
DiegoOstuni	0:75fc82583a41	643	{
DiegoOstuni	0:75fc82583a41	644	nfcipLogI( " skipping error recovery due deactivation pending \r\n");
DiegoOstuni	0:75fc82583a41	645	return ERR_TIMEOUT;
DiegoOstuni	0:75fc82583a41	646	}
DiegoOstuni	0:75fc82583a41	647
DiegoOstuni	0:75fc82583a41	648	/* Digital 1.0 14.15.5.6 1) If last PDU was NACK */
DiegoOstuni	0:75fc82583a41	649	if( nfcip_PFBisRNACK(gNfcip.lastPFB) )
DiegoOstuni	0:75fc82583a41	650	{
DiegoOstuni	0:75fc82583a41	651	/* Digital 1.0 14.15.5.6 2) if NACKs failed raise protocol error */
DiegoOstuni	0:75fc82583a41	652	if( gNfcip.cntNACKRetrys++ >= NFCIP_MAX_NACK_RETRYS )
DiegoOstuni	0:75fc82583a41	653	{
DiegoOstuni	0:75fc82583a41	654	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	655	}
DiegoOstuni	0:75fc82583a41	656
DiegoOstuni	0:75fc82583a41	657	/* Send NACK */
DiegoOstuni	0:75fc82583a41	658	nfcipLogI( " NFCIP(I) Sending NACK retry: %d \r\n", gNfcip.cntNACKRetrys );
DiegoOstuni	0:75fc82583a41	659	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_NACK(gNfcip.pni), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	660	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	661	}
DiegoOstuni	0:75fc82583a41	662
DiegoOstuni	0:75fc82583a41	663	nfcipLogI( " NFCIP(I) Checking if to send ATN ATNRetrys: %d \r\n", gNfcip.cntATNRetrys );
DiegoOstuni	0:75fc82583a41	664
DiegoOstuni	0:75fc82583a41	665	/* Digital 1.0 14.15.5.6 3) Otherwise send ATN */
DiegoOstuni	0:75fc82583a41	666	if( gNfcip.cntATNRetrys++ >= NFCIP_MAX_NACK_RETRYS )
DiegoOstuni	0:75fc82583a41	667	{
DiegoOstuni	0:75fc82583a41	668	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	669	}
DiegoOstuni	0:75fc82583a41	670
DiegoOstuni	0:75fc82583a41	671	/* Send ATN */
DiegoOstuni	0:75fc82583a41	672	nfcipLogI( " NFCIP(I) Sending ATN \r\n" );
DiegoOstuni	0:75fc82583a41	673	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_ATN(), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	674	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	675
DiegoOstuni	0:75fc82583a41	676	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	677	/* Data rcvd with error -> Digital 1.0 14.12.5.4 */
DiegoOstuni	0:75fc82583a41	678	case ERR_CRC:
DiegoOstuni	0:75fc82583a41	679	case ERR_PAR:
DiegoOstuni	0:75fc82583a41	680	case ERR_FRAMING:
DiegoOstuni	0:75fc82583a41	681	case ERR_RF_COLLISION:
DiegoOstuni	0:75fc82583a41	682
DiegoOstuni	0:75fc82583a41	683	nfcipLogI( " NFCIP(I) rx Error: %d \r\n", rxRes );
DiegoOstuni	0:75fc82583a41	684
DiegoOstuni	0:75fc82583a41	685	/* Digital 1.0 14.12.5.4 Tx Error with data, ignore */
DiegoOstuni	0:75fc82583a41	686	if( rxLen < NFCIP_MIN_TXERROR_LEN )
DiegoOstuni	0:75fc82583a41	687	{
DiegoOstuni	0:75fc82583a41	688	nfcipLogI( " NFCIP(I) Transmission error w data \r\n" );
DiegoOstuni	0:75fc82583a41	689	#if 0
DiegoOstuni	0:75fc82583a41	690	if(gNfcip.cfg.commMode == RFAL_NFCDEP_COMM_PASSIVE)
DiegoOstuni	0:75fc82583a41	691	{
DiegoOstuni	0:75fc82583a41	692	nfcipLogI( " NFCIP(I) Transmission error w data -> reEnabling Rx \r\n" );
DiegoOstuni	0:75fc82583a41	693	nfcipReEnableRxTout( NFCIP_TRECOV );
DiegoOstuni	0:75fc82583a41	694	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	695	}
DiegoOstuni	0:75fc82583a41	696	#endif /* 0 */
DiegoOstuni	0:75fc82583a41	697	}
DiegoOstuni	0:75fc82583a41	698
DiegoOstuni	0:75fc82583a41	699	/* Digital 1.1 16.12.5.4 if NACKs failed raise Transmission error */
DiegoOstuni	0:75fc82583a41	700	if( gNfcip.cntNACKRetrys++ >= NFCIP_MAX_NACK_RETRYS )
DiegoOstuni	0:75fc82583a41	701	{
DiegoOstuni	0:75fc82583a41	702	return ERR_FRAMING;
DiegoOstuni	0:75fc82583a41	703	}
DiegoOstuni	0:75fc82583a41	704
DiegoOstuni	0:75fc82583a41	705	/* Send NACK */
DiegoOstuni	0:75fc82583a41	706	nfcipLogI( " NFCIP(I) Sending NACK \r\n" );
DiegoOstuni	0:75fc82583a41	707	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_NACK(gNfcip.pni), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	708	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	709
DiegoOstuni	0:75fc82583a41	710	case ERR_NONE:
DiegoOstuni	0:75fc82583a41	711	break;
DiegoOstuni	0:75fc82583a41	712
DiegoOstuni	0:75fc82583a41	713	case ERR_BUSY:
DiegoOstuni	0:75fc82583a41	714	return ERR_BUSY; /* Debug purposes */
DiegoOstuni	0:75fc82583a41	715
DiegoOstuni	0:75fc82583a41	716	default:
DiegoOstuni	0:75fc82583a41	717	nfcipLogW( " NFCIP(I) Error: %d \r\n", rxRes );
DiegoOstuni	0:75fc82583a41	718	return rxRes;
DiegoOstuni	0:75fc82583a41	719	}
DiegoOstuni	0:75fc82583a41	720
DiegoOstuni	0:75fc82583a41	721	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	722	/* Rx OK check if valid DEP PDU */
DiegoOstuni	0:75fc82583a41	723	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	724
DiegoOstuni	0:75fc82583a41	725	/* Due to different modes on ST25R391x (with/without CRC) use NFC-DEP LEN instead of bytes retrieved */
DiegoOstuni	0:75fc82583a41	726	nfcDepLen = gNfcip.rxBuf[rxMsgIt++];
DiegoOstuni	0:75fc82583a41	727
DiegoOstuni	0:75fc82583a41	728	nfcipLogD( " NFCIP(I) rx OK: %d bytes \r\n", nfcDepLen );
DiegoOstuni	0:75fc82583a41	729
DiegoOstuni	0:75fc82583a41	730	/* Digital 1.0 14.15.5.5 Protocol Error */
DiegoOstuni	0:75fc82583a41	731	if( gNfcip.rxBuf[rxMsgIt++] != NFCIP_RES )
DiegoOstuni	0:75fc82583a41	732	{
DiegoOstuni	0:75fc82583a41	733	nfcipLogW( " NFCIP(I) error %02X instead of %02X \r\n", gNfcip.rxBuf[--rxMsgIt], NFCIP_RES );
DiegoOstuni	0:75fc82583a41	734	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	735	}
DiegoOstuni	0:75fc82583a41	736
DiegoOstuni	0:75fc82583a41	737	/* Digital 1.0 14.15.5.5 Protocol Error */
DiegoOstuni	0:75fc82583a41	738	if( gNfcip.rxBuf[rxMsgIt++] != NFCIP_CMD_DEP_RES )
DiegoOstuni	0:75fc82583a41	739	{
DiegoOstuni	0:75fc82583a41	740	nfcipLogW( " NFCIP(I) error %02X instead of %02X \r\n", gNfcip.rxBuf[--rxMsgIt], NFCIP_CMD_DEP_RES );
DiegoOstuni	0:75fc82583a41	741	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	742	}
DiegoOstuni	0:75fc82583a41	743
DiegoOstuni	0:75fc82583a41	744	rxPFB = gNfcip.rxBuf[rxMsgIt++];
DiegoOstuni	0:75fc82583a41	745
DiegoOstuni	0:75fc82583a41	746	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	747	/* Check for valid PFB type */
DiegoOstuni	0:75fc82583a41	748	if( !(nfcip_PFBisSPDU( rxPFB ) \|\| nfcip_PFBisRPDU( rxPFB ) \|\| nfcip_PFBisIPDU( rxPFB )) )
DiegoOstuni	0:75fc82583a41	749	{
DiegoOstuni	0:75fc82583a41	750	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	751	}
DiegoOstuni	0:75fc82583a41	752
DiegoOstuni	0:75fc82583a41	753	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	754	/* Digital 1.0 14.8.2.1 check if DID is expected and match -> Protocol Error */
DiegoOstuni	0:75fc82583a41	755	if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO )
DiegoOstuni	0:75fc82583a41	756	{
DiegoOstuni	0:75fc82583a41	757	if( !nfcip_PFBhasDID( rxPFB ) \|\| gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did )
DiegoOstuni	0:75fc82583a41	758	{
DiegoOstuni	0:75fc82583a41	759	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	760	}
DiegoOstuni	0:75fc82583a41	761	optHdrLen++; /* Inc header optional field cnt*/
DiegoOstuni	0:75fc82583a41	762	}
DiegoOstuni	0:75fc82583a41	763	else if( nfcip_PFBhasDID( rxPFB ) ) /* DID not expected but rcv */
DiegoOstuni	0:75fc82583a41	764	{
DiegoOstuni	0:75fc82583a41	765	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	766	}
DiegoOstuni	0:75fc82583a41	767
DiegoOstuni	0:75fc82583a41	768	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	769	/* Digital 1.0 14.6.2.8 & 14.6.3.11 NAD must not be used */
DiegoOstuni	0:75fc82583a41	770	if( gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO )
DiegoOstuni	0:75fc82583a41	771	{
DiegoOstuni	0:75fc82583a41	772	if( !nfcip_PFBhasNAD( rxPFB ) \|\| gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.nad )
DiegoOstuni	0:75fc82583a41	773	{
DiegoOstuni	0:75fc82583a41	774	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	775	}
DiegoOstuni	0:75fc82583a41	776	optHdrLen++; /* Inc header optional field cnt*/
DiegoOstuni	0:75fc82583a41	777	}
DiegoOstuni	0:75fc82583a41	778	else if( nfcip_PFBhasNAD( rxPFB ) ) /* NAD not expected but rcv */
DiegoOstuni	0:75fc82583a41	779	{
DiegoOstuni	0:75fc82583a41	780	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	781	}
DiegoOstuni	0:75fc82583a41	782
DiegoOstuni	0:75fc82583a41	783	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	784	/* Process R-PDU */
DiegoOstuni	0:75fc82583a41	785	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	786	if( nfcip_PFBisRPDU( rxPFB ) )
DiegoOstuni	0:75fc82583a41	787	{
DiegoOstuni	0:75fc82583a41	788	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	789	/* R ACK */
DiegoOstuni	0:75fc82583a41	790	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	791	if( nfcip_PFBisRACK( rxPFB ) )
DiegoOstuni	0:75fc82583a41	792	{
DiegoOstuni	0:75fc82583a41	793	nfcipLogI( " NFCIP(I) Rcvd ACK \r\n" );
DiegoOstuni	0:75fc82583a41	794	if( gNfcip.pni == nfcip_PBF_PNI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	795	{
DiegoOstuni	0:75fc82583a41	796	/* 14.12.3.3 R-ACK with correct PNI -> Increment */
DiegoOstuni	0:75fc82583a41	797	gNfcip.pni = nfcip_PNIInc( gNfcip.pni );
DiegoOstuni	0:75fc82583a41	798
DiegoOstuni	0:75fc82583a41	799	/* R-ACK while not performing chaining -> Protocol error*/
DiegoOstuni	0:75fc82583a41	800	if( !gNfcip.isTxChaining )
DiegoOstuni	0:75fc82583a41	801	{
DiegoOstuni	0:75fc82583a41	802	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	803	}
DiegoOstuni	0:75fc82583a41	804
DiegoOstuni	0:75fc82583a41	805	nfcipClearCounters();
DiegoOstuni	0:75fc82583a41	806	gNfcip.state = NFCIP_ST_INIT_DEP_IDLE;
DiegoOstuni	0:75fc82583a41	807	return ERR_NONE; /* This block has been transmitted */
DiegoOstuni	0:75fc82583a41	808	}
DiegoOstuni	0:75fc82583a41	809	else /* Digital 1.0 14.12.4.5 ACK with wrong PNI Initiator may retransmit */
DiegoOstuni	0:75fc82583a41	810	{
DiegoOstuni	0:75fc82583a41	811	if( gNfcip.cntTxRetrys++ >= NFCIP_MAX_TX_RETRYS )
DiegoOstuni	0:75fc82583a41	812	{
DiegoOstuni	0:75fc82583a41	813	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	814	}
DiegoOstuni	0:75fc82583a41	815
DiegoOstuni	0:75fc82583a41	816	/* Extended the MAY in Digital 1.0 14.12.4.5 to only reTransmit if the ACK
DiegoOstuni	0:75fc82583a41	817	* is for the previous DEP, otherwise raise Protocol immediately
DiegoOstuni	0:75fc82583a41	818	* If the PNI difference is more than 1 it`s worthless to reTransmit 3x
DiegoOstuni	0:75fc82583a41	819	* and after raise the error */
DiegoOstuni	0:75fc82583a41	820
DiegoOstuni	0:75fc82583a41	821	if( nfcip_PNIDec( gNfcip.pni ) == nfcip_PBF_PNI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	822	{
DiegoOstuni	0:75fc82583a41	823	/* ReTransmit */
DiegoOstuni	0:75fc82583a41	824	nfcipLogI( " NFCIP(I) Rcvd ACK prev PNI -> reTx \r\n" );
DiegoOstuni	0:75fc82583a41	825	gNfcip.state = NFCIP_ST_INIT_DEP_TX;
DiegoOstuni	0:75fc82583a41	826	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	827	}
DiegoOstuni	0:75fc82583a41	828
DiegoOstuni	0:75fc82583a41	829	nfcipLogI( " NFCIP(I) Rcvd ACK unexpected far PNI -> Error \r\n" );
DiegoOstuni	0:75fc82583a41	830	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	831	}
DiegoOstuni	0:75fc82583a41	832	}
DiegoOstuni	0:75fc82583a41	833	else /* Digital 1.0 - 14.12.5.2 Target must never send NACK */
DiegoOstuni	0:75fc82583a41	834	{
DiegoOstuni	0:75fc82583a41	835	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	836	}
DiegoOstuni	0:75fc82583a41	837	}
DiegoOstuni	0:75fc82583a41	838
DiegoOstuni	0:75fc82583a41	839	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	840	/* Process S-PDU */
DiegoOstuni	0:75fc82583a41	841	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	842	if( nfcip_PFBisSPDU( rxPFB ) )
DiegoOstuni	0:75fc82583a41	843	{
DiegoOstuni	0:75fc82583a41	844	nfcipLogI( " NFCIP(I) Rcvd S-PDU \r\n" );
DiegoOstuni	0:75fc82583a41	845	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	846	/* S ATN */
DiegoOstuni	0:75fc82583a41	847	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	848	if( nfcip_PFBisSATN( rxPFB ) ) /* If is a S-ATN */
DiegoOstuni	0:75fc82583a41	849	{
DiegoOstuni	0:75fc82583a41	850	nfcipLogI( " NFCIP(I) Rcvd ATN \r\n" );
DiegoOstuni	0:75fc82583a41	851	if( nfcip_PFBisSATN( gNfcip.lastPFB ) ) /* Check if is expected */
DiegoOstuni	0:75fc82583a41	852	{
DiegoOstuni	0:75fc82583a41	853	gNfcip.cntATNRetrys = 0; /* Clear ATN counter */
DiegoOstuni	0:75fc82583a41	854
DiegoOstuni	0:75fc82583a41	855	/* Although spec is not clear NFC Forum Digital test is expecting to
DiegoOstuni	0:75fc82583a41	856	* retransmit upon receiving ATN_RES */
DiegoOstuni	0:75fc82583a41	857	if( nfcip_PFBisSTO( gNfcip.lastPFBnATN ) )
DiegoOstuni	0:75fc82583a41	858	{
DiegoOstuni	0:75fc82583a41	859	nfcipLogI( " NFCIP(I) Rcvd ATN -> reTx RTOX_RES \r\n" );
DiegoOstuni	0:75fc82583a41	860	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_TO(), gNfcip.lastRTOX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	861	}
DiegoOstuni	0:75fc82583a41	862	else
DiegoOstuni	0:75fc82583a41	863	{
DiegoOstuni	0:75fc82583a41	864	/* ReTransmit ? */
DiegoOstuni	0:75fc82583a41	865	if( gNfcip.cntTxRetrys++ >= NFCIP_MAX_TX_RETRYS )
DiegoOstuni	0:75fc82583a41	866	{
DiegoOstuni	0:75fc82583a41	867	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	868	}
DiegoOstuni	0:75fc82583a41	869
DiegoOstuni	0:75fc82583a41	870	nfcipLogI( " NFCIP(I) Rcvd ATN -> reTx PNI: %d \r\n", gNfcip.pni );
DiegoOstuni	0:75fc82583a41	871	gNfcip.state = NFCIP_ST_INIT_DEP_TX;
DiegoOstuni	0:75fc82583a41	872	}
DiegoOstuni	0:75fc82583a41	873
DiegoOstuni	0:75fc82583a41	874	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	875	}
DiegoOstuni	0:75fc82583a41	876	else /* Digital 1.0 14.12.4.4 & 14.12.4.8 */
DiegoOstuni	0:75fc82583a41	877	{
DiegoOstuni	0:75fc82583a41	878	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	879	}
DiegoOstuni	0:75fc82583a41	880	}
DiegoOstuni	0:75fc82583a41	881	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	882	/* S TO */
DiegoOstuni	0:75fc82583a41	883	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	884	else if( nfcip_PFBisSTO( rxPFB ) ) /* If is a S-TO (RTOX) */
DiegoOstuni	0:75fc82583a41	885	{
DiegoOstuni	0:75fc82583a41	886	nfcipLogI( " NFCIP(I) Rcvd TO \r\n" );
DiegoOstuni	0:75fc82583a41	887
DiegoOstuni	0:75fc82583a41	888	rxRTOX = gNfcip.rxBuf[rxMsgIt++];
DiegoOstuni	0:75fc82583a41	889
DiegoOstuni	0:75fc82583a41	890	/* Digital 1.1 16.12.4.3 - Initiator MAY stop accepting subsequent RTOX Req *
DiegoOstuni	0:75fc82583a41	891	* - RTOX request to an ATN -> Protocol error */
DiegoOstuni	0:75fc82583a41	892	if( (gNfcip.cntRTOXRetrys++ > NFCIP_MAX_RTOX_RETRYS) \|\| nfcip_PFBisSATN( gNfcip.lastPFB ) )
DiegoOstuni	0:75fc82583a41	893	{
DiegoOstuni	0:75fc82583a41	894	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	895	}
DiegoOstuni	0:75fc82583a41	896
DiegoOstuni	0:75fc82583a41	897	/* Digital 1.1 16.8.4.1 RTOX must be between [1,59] */
DiegoOstuni	0:75fc82583a41	898	if( (rxRTOX < NFCIP_INIT_MIN_RTOX) \|\| (rxRTOX > NFCIP_INIT_MAX_RTOX) )
DiegoOstuni	0:75fc82583a41	899	{
DiegoOstuni	0:75fc82583a41	900	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	901	}
DiegoOstuni	0:75fc82583a41	902
DiegoOstuni	0:75fc82583a41	903	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_TO(), rxRTOX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	904	gNfcip.lastRTOX = rxRTOX;
DiegoOstuni	0:75fc82583a41	905
DiegoOstuni	0:75fc82583a41	906	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	907	}
DiegoOstuni	0:75fc82583a41	908
DiegoOstuni	0:75fc82583a41	909	/* Unexpected S-PDU */
DiegoOstuni	0:75fc82583a41	910	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	911	}
DiegoOstuni	0:75fc82583a41	912
DiegoOstuni	0:75fc82583a41	913	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	914	/* Process I-PDU */
DiegoOstuni	0:75fc82583a41	915	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	916	if( nfcip_PFBisIPDU( rxPFB ) )
DiegoOstuni	0:75fc82583a41	917	{
DiegoOstuni	0:75fc82583a41	918	if( gNfcip.pni != nfcip_PBF_PNI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	919	{
DiegoOstuni	0:75fc82583a41	920	nfcipLogI( " NFCIP(I) Rcvd IPDU wrong PNI curPNI: %d rxPNI: %d \r\n", gNfcip.pni , nfcip_PBF_PNI( rxPFB ) );
DiegoOstuni	0:75fc82583a41	921	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	922	}
DiegoOstuni	0:75fc82583a41	923
DiegoOstuni	0:75fc82583a41	924	nfcipLogD( " NFCIP(I) Rcvd IPDU OK PNI: %d \r\n", gNfcip.pni );
DiegoOstuni	0:75fc82583a41	925
DiegoOstuni	0:75fc82583a41	926	/* 14.12.3.3 I-PDU with correct PNI -> Increment */
DiegoOstuni	0:75fc82583a41	927	gNfcip.pni = nfcip_PNIInc( gNfcip.pni );
DiegoOstuni	0:75fc82583a41	928
DiegoOstuni	0:75fc82583a41	929
DiegoOstuni	0:75fc82583a41	930	/* Successful data Exchange */
DiegoOstuni	0:75fc82583a41	931	nfcipClearCounters();
DiegoOstuni	0:75fc82583a41	932	*outActRxLen = (nfcDepLen - RFAL_NFCDEP_DEP_HEADER - optHdrLen);
DiegoOstuni	0:75fc82583a41	933
DiegoOstuni	0:75fc82583a41	934	if( (gNfcip.rxBuf + gNfcip.rxBufPaylPos) != (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen) )
DiegoOstuni	0:75fc82583a41	935	{
DiegoOstuni	0:75fc82583a41	936	ST_MEMMOVE( (gNfcip.rxBuf + gNfcip.rxBufPaylPos), (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen), *outActRxLen );
DiegoOstuni	0:75fc82583a41	937	}
DiegoOstuni	0:75fc82583a41	938
DiegoOstuni	0:75fc82583a41	939	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	940	/* Check if target is indicating chaining MI */
DiegoOstuni	0:75fc82583a41	941	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	942	if( nfcip_PFBisIMI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	943	{
DiegoOstuni	0:75fc82583a41	944	gNfcip.isRxChaining = true;
DiegoOstuni	0:75fc82583a41	945	*outIsChaining = true;
DiegoOstuni	0:75fc82583a41	946
DiegoOstuni	0:75fc82583a41	947	nfcipLogD( " NFCIP(I) Rcvd IPDU OK w MI -> ACK \r\n" );
DiegoOstuni	0:75fc82583a41	948	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_ACK( gNfcip.pni ), gNfcip.rxBuf[rxMsgIt++], mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	949
DiegoOstuni	0:75fc82583a41	950	return ERR_AGAIN; /* Send Again signalling to run again, but some chaining data has arrived*/
DiegoOstuni	0:75fc82583a41	951	}
DiegoOstuni	0:75fc82583a41	952	else
DiegoOstuni	0:75fc82583a41	953	{
DiegoOstuni	0:75fc82583a41	954	gNfcip.isRxChaining = false;
DiegoOstuni	0:75fc82583a41	955	gNfcip.state = NFCIP_ST_INIT_DEP_IDLE;
DiegoOstuni	0:75fc82583a41	956
DiegoOstuni	0:75fc82583a41	957	return ERR_NONE; /* Data exchange done */
DiegoOstuni	0:75fc82583a41	958	}
DiegoOstuni	0:75fc82583a41	959	}
DiegoOstuni	0:75fc82583a41	960	return ret;
DiegoOstuni	0:75fc82583a41	961	}
DiegoOstuni	0:75fc82583a41	962
DiegoOstuni	0:75fc82583a41	963
DiegoOstuni	0:75fc82583a41	964	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	965	static ReturnCode nfcipTargetHandleRX( ReturnCode rxRes, uint16_t outActRxLen, bool outIsChaining, 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 )
DiegoOstuni	0:75fc82583a41	966	{
DiegoOstuni	0:75fc82583a41	967	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	968	uint8_t nfcDepLen;
DiegoOstuni	0:75fc82583a41	969	uint8_t rxMsgIt;
DiegoOstuni	0:75fc82583a41	970	uint8_t rxPFB;
DiegoOstuni	0:75fc82583a41	971	uint8_t optHdrLen;
DiegoOstuni	0:75fc82583a41	972	uint8_t resBuf[NFCIP_TARGET_RES_MAX];
DiegoOstuni	0:75fc82583a41	973
DiegoOstuni	0:75fc82583a41	974
DiegoOstuni	0:75fc82583a41	975	ret = ERR_INTERNAL;
DiegoOstuni	0:75fc82583a41	976	rxMsgIt = 0;
DiegoOstuni	0:75fc82583a41	977	optHdrLen = 0;
DiegoOstuni	0:75fc82583a41	978
DiegoOstuni	0:75fc82583a41	979	*outActRxLen = 0;
DiegoOstuni	0:75fc82583a41	980	*outIsChaining = false;
DiegoOstuni	0:75fc82583a41	981
DiegoOstuni	0:75fc82583a41	982
DiegoOstuni	0:75fc82583a41	983	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	984	/* Handle reception errors */
DiegoOstuni	0:75fc82583a41	985	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	986	switch( rxRes )
DiegoOstuni	0:75fc82583a41	987	{
DiegoOstuni	0:75fc82583a41	988	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	989	case ERR_NONE:
DiegoOstuni	0:75fc82583a41	990	break;
DiegoOstuni	0:75fc82583a41	991
DiegoOstuni	0:75fc82583a41	992	case ERR_TIMEOUT:
DiegoOstuni	0:75fc82583a41	993	case ERR_CRC:
DiegoOstuni	0:75fc82583a41	994	case ERR_PAR:
DiegoOstuni	0:75fc82583a41	995	case ERR_FRAMING:
DiegoOstuni	0:75fc82583a41	996	case ERR_PROTO:
DiegoOstuni	0:75fc82583a41	997	default:
DiegoOstuni	0:75fc82583a41	998	/* Digital 1.1 16.12.5.2 The Target MUST NOT attempt any error recovery. *
DiegoOstuni	0:75fc82583a41	999	* The Target MUST always stay in receive mode when a *
DiegoOstuni	0:75fc82583a41	1000	* Transmission Error or a Protocol Error occurs. *
DiegoOstuni	0:75fc82583a41	1001	* *
DiegoOstuni	0:75fc82583a41	1002	* Do not push Transmission/Protocol Errors to upper layer in Listen Mode #766 */
DiegoOstuni	0:75fc82583a41	1003
DiegoOstuni	0:75fc82583a41	1004	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1005	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1006
DiegoOstuni	0:75fc82583a41	1007	case ERR_LINK_LOSS:
DiegoOstuni	0:75fc82583a41	1008	nfcipLogW( " NFCIP(T) Error: %d \r\n", rxRes );
DiegoOstuni	0:75fc82583a41	1009	return rxRes;
DiegoOstuni	0:75fc82583a41	1010
DiegoOstuni	0:75fc82583a41	1011	case ERR_BUSY:
DiegoOstuni	0:75fc82583a41	1012	return ERR_BUSY; /* Debug purposes */
DiegoOstuni	0:75fc82583a41	1013
DiegoOstuni	0:75fc82583a41	1014	}
DiegoOstuni	0:75fc82583a41	1015
DiegoOstuni	0:75fc82583a41	1016	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1017	/* Rx OK check if valid DEP PDU */
DiegoOstuni	0:75fc82583a41	1018	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1019
DiegoOstuni	0:75fc82583a41	1020	/* Due to different modes on ST25R391x (with/without CRC) use NFC-DEP LEN instead of bytes retrieved */
DiegoOstuni	0:75fc82583a41	1021	nfcDepLen = gNfcip.rxBuf[rxMsgIt++];
DiegoOstuni	0:75fc82583a41	1022
DiegoOstuni	0:75fc82583a41	1023	nfcipLogD( " NFCIP(T) rx OK: %d bytes \r\n", nfcDepLen );
DiegoOstuni	0:75fc82583a41	1024
DiegoOstuni	0:75fc82583a41	1025	if( gNfcip.rxBuf[rxMsgIt++] != NFCIP_REQ )
DiegoOstuni	0:75fc82583a41	1026	{
DiegoOstuni	0:75fc82583a41	1027	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1028	return ERR_BUSY; /* ERR_PROTO - Ignore bad request */
DiegoOstuni	0:75fc82583a41	1029	}
DiegoOstuni	0:75fc82583a41	1030
DiegoOstuni	0:75fc82583a41	1031
DiegoOstuni	0:75fc82583a41	1032	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1033	/* Check whether target rcvd a normal DEP or deactivation request */
DiegoOstuni	0:75fc82583a41	1034	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1035	switch( gNfcip.rxBuf[rxMsgIt++] )
DiegoOstuni	0:75fc82583a41	1036	{
DiegoOstuni	0:75fc82583a41	1037	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1038	case NFCIP_CMD_DEP_REQ:
DiegoOstuni	0:75fc82583a41	1039	break; /* Continue to normal DEP processing */
DiegoOstuni	0:75fc82583a41	1040
DiegoOstuni	0:75fc82583a41	1041	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1042	case NFCIP_CMD_DSL_REQ:
DiegoOstuni	0:75fc82583a41	1043
DiegoOstuni	0:75fc82583a41	1044	nfcipLogI( " NFCIP(T) rx DSL \r\n" );
DiegoOstuni	0:75fc82583a41	1045
DiegoOstuni	0:75fc82583a41	1046	/* Digital 1.0 14.9.1.2 If DID is used and incorrect ignore it */
DiegoOstuni	0:75fc82583a41	1047	/* [Digital 1.0, 16.9.1.2]: If DID == 0, Target SHALL ignore DSL_REQ with DID */
DiegoOstuni	0:75fc82583a41	1048	if ( ((gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && ((nfcDepLen != RFAL_NFCDEP_DSL_RLS_LEN_DID) \|\| (gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did)) )
DiegoOstuni	0:75fc82583a41	1049	\|\|((gNfcip.cfg.did == RFAL_NFCDEP_DID_NO) && (nfcDepLen != RFAL_NFCDEP_DSL_RLS_LEN_NO_DID))
DiegoOstuni	0:75fc82583a41	1050	)
DiegoOstuni	0:75fc82583a41	1051	{
DiegoOstuni	0:75fc82583a41	1052	nfcipLogI( " NFCIP(T) DSL wrong DID, ignoring \r\n" );
DiegoOstuni	0:75fc82583a41	1053	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1054	}
DiegoOstuni	0:75fc82583a41	1055
DiegoOstuni	0:75fc82583a41	1056	nfcipTx( NFCIP_CMD_DSL_RES, resBuf, 0, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1057
DiegoOstuni	0:75fc82583a41	1058	gNfcip.state = NFCIP_ST_TARG_DEP_SLEEP;
DiegoOstuni	0:75fc82583a41	1059	return ERR_SLEEP_REQ;
DiegoOstuni	0:75fc82583a41	1060
DiegoOstuni	0:75fc82583a41	1061	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1062	case NFCIP_CMD_RLS_REQ:
DiegoOstuni	0:75fc82583a41	1063
DiegoOstuni	0:75fc82583a41	1064	nfcipLogI( " NFCIP(T) rx RLS \r\n" );
DiegoOstuni	0:75fc82583a41	1065
DiegoOstuni	0:75fc82583a41	1066	/* Digital 1.0 14.10.1.2 If DID is used and incorrect ignore it */
DiegoOstuni	0:75fc82583a41	1067	/* [Digital 1.0, 16.10.2.2]: If DID == 0, Target SHALL ignore DSL_REQ with DID */
DiegoOstuni	0:75fc82583a41	1068	if ( ( (gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && ((nfcDepLen != RFAL_NFCDEP_DSL_RLS_LEN_DID) \|\| (gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did)) )
DiegoOstuni	0:75fc82583a41	1069	\|\|( (gNfcip.cfg.did == RFAL_NFCDEP_DID_NO) && (nfcDepLen > RFAL_NFCDEP_DSL_RLS_LEN_NO_DID))
DiegoOstuni	0:75fc82583a41	1070	)
DiegoOstuni	0:75fc82583a41	1071	{
DiegoOstuni	0:75fc82583a41	1072	nfcipLogI( " NFCIP(T) RLS wrong DID, ignoring \r\n" );
DiegoOstuni	0:75fc82583a41	1073	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1074	}
DiegoOstuni	0:75fc82583a41	1075
DiegoOstuni	0:75fc82583a41	1076	nfcipTx( NFCIP_CMD_RLS_RES, resBuf, 0, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1077
DiegoOstuni	0:75fc82583a41	1078	gNfcip.state = NFCIP_ST_TARG_DEP_IDLE;
DiegoOstuni	0:75fc82583a41	1079	return ERR_RELEASE_REQ;
DiegoOstuni	0:75fc82583a41	1080
DiegoOstuni	0:75fc82583a41	1081	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1082	/case NFCIP_CMD_PSL_REQ: PSL must be handled in Activation only /
DiegoOstuni	0:75fc82583a41	1083	/case NFCIP_CMD_WUP_REQ: WUP not in NFC Forum Digital 1.0 /
DiegoOstuni	0:75fc82583a41	1084	default:
DiegoOstuni	0:75fc82583a41	1085
DiegoOstuni	0:75fc82583a41	1086	/* Don't go to NFCIP_ST_TARG_DEP_IDLE state as it needs to ignore this *
DiegoOstuni	0:75fc82583a41	1087	* invalid frame, and keep waiting for more frames */
DiegoOstuni	0:75fc82583a41	1088
DiegoOstuni	0:75fc82583a41	1089	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1090	return ERR_BUSY; /* ERR_PROTO - Ignore bad frame */
DiegoOstuni	0:75fc82583a41	1091	}
DiegoOstuni	0:75fc82583a41	1092
DiegoOstuni	0:75fc82583a41	1093	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1094
DiegoOstuni	0:75fc82583a41	1095	rxPFB = gNfcip.rxBuf[rxMsgIt++]; /* Store rcvd PFB */
DiegoOstuni	0:75fc82583a41	1096
DiegoOstuni	0:75fc82583a41	1097	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1098	/* Check for valid PFB type */
DiegoOstuni	0:75fc82583a41	1099	if( !(nfcip_PFBisSPDU( rxPFB ) \|\| nfcip_PFBisRPDU( rxPFB ) \|\| nfcip_PFBisIPDU( rxPFB )) )
DiegoOstuni	0:75fc82583a41	1100	{
DiegoOstuni	0:75fc82583a41	1101	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1102	return ERR_BUSY; /* ERR_PROTO - Ignore invalid PFB */
DiegoOstuni	0:75fc82583a41	1103	}
DiegoOstuni	0:75fc82583a41	1104
DiegoOstuni	0:75fc82583a41	1105	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1106	if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO )
DiegoOstuni	0:75fc82583a41	1107	{
DiegoOstuni	0:75fc82583a41	1108	if( !nfcip_PFBhasDID( rxPFB ) \|\| gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.did )
DiegoOstuni	0:75fc82583a41	1109	{
DiegoOstuni	0:75fc82583a41	1110	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1111	return ERR_BUSY; /* ERR_PROTO - Ignore bad/missing DID */
DiegoOstuni	0:75fc82583a41	1112	}
DiegoOstuni	0:75fc82583a41	1113	optHdrLen++; /* Inc header optional field cnt*/
DiegoOstuni	0:75fc82583a41	1114	}
DiegoOstuni	0:75fc82583a41	1115	else if( nfcip_PFBhasDID( rxPFB ) ) /* DID not expected but rcv */
DiegoOstuni	0:75fc82583a41	1116	{
DiegoOstuni	0:75fc82583a41	1117	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1118	return ERR_BUSY; /* ERR_PROTO - Ignore unexpected DID */
DiegoOstuni	0:75fc82583a41	1119	}
DiegoOstuni	0:75fc82583a41	1120
DiegoOstuni	0:75fc82583a41	1121
DiegoOstuni	0:75fc82583a41	1122	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1123	if( gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO )
DiegoOstuni	0:75fc82583a41	1124	{
DiegoOstuni	0:75fc82583a41	1125	if( !nfcip_PFBhasNAD( rxPFB ) \|\| gNfcip.rxBuf[rxMsgIt++] != gNfcip.cfg.nad )
DiegoOstuni	0:75fc82583a41	1126	{
DiegoOstuni	0:75fc82583a41	1127	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1128	return ERR_BUSY; /* ERR_PROTO - Ignore bad/missing NAD */
DiegoOstuni	0:75fc82583a41	1129	}
DiegoOstuni	0:75fc82583a41	1130	optHdrLen++; /* Inc header optional field cnt*/
DiegoOstuni	0:75fc82583a41	1131	}
DiegoOstuni	0:75fc82583a41	1132	else if( nfcip_PFBhasNAD( rxPFB ) ) /* NAD not expected but rcv */
DiegoOstuni	0:75fc82583a41	1133	{
DiegoOstuni	0:75fc82583a41	1134	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1135	return ERR_BUSY; /* ERR_PROTO - Ignore unexpected NAD */
DiegoOstuni	0:75fc82583a41	1136	}
DiegoOstuni	0:75fc82583a41	1137
DiegoOstuni	0:75fc82583a41	1138
DiegoOstuni	0:75fc82583a41	1139	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1140	/* Process R-PDU */
DiegoOstuni	0:75fc82583a41	1141	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1142	if( nfcip_PFBisRPDU( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1143	{
DiegoOstuni	0:75fc82583a41	1144	nfcipLogD( " NFCIP(T) Rcvd R-PDU \r\n" );
DiegoOstuni	0:75fc82583a41	1145	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1146	/* R ACK */
DiegoOstuni	0:75fc82583a41	1147	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1148	if( nfcip_PFBisRACK( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1149	{
DiegoOstuni	0:75fc82583a41	1150	nfcipLogI( " NFCIP(T) Rcvd ACK \r\n" );
DiegoOstuni	0:75fc82583a41	1151	if( gNfcip.pni == nfcip_PBF_PNI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1152	{
DiegoOstuni	0:75fc82583a41	1153	/* R-ACK while not performing chaining -> Protocol error */
DiegoOstuni	0:75fc82583a41	1154	if( !gNfcip.isTxChaining )
DiegoOstuni	0:75fc82583a41	1155	{
DiegoOstuni	0:75fc82583a41	1156	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1157	return ERR_BUSY; /* ERR_PROTO - Ignore unexpected ACK */
DiegoOstuni	0:75fc82583a41	1158	}
DiegoOstuni	0:75fc82583a41	1159
DiegoOstuni	0:75fc82583a41	1160	/* This block has been transmitted and acknowledged, perform RTOX until next data is provided */
DiegoOstuni	0:75fc82583a41	1161
DiegoOstuni	0:75fc82583a41	1162	/* Digital 1.1 16.12.4.7 - If ACK rcvd continue with chaining or an RTOX */
DiegoOstuni	0:75fc82583a41	1163	nfcipTimerStart( gNfcip.RTOXTimer, nfcipRTOXAdjust( nfcipConv1FcToMs( rfalNfcDepWT2RWT( gNfcip.cfg.to ) )) );
DiegoOstuni	0:75fc82583a41	1164	gNfcip.state = NFCIP_ST_TARG_DEP_RTOX;
DiegoOstuni	0:75fc82583a41	1165
DiegoOstuni	0:75fc82583a41	1166	return ERR_NONE; /* This block has been transmitted */
DiegoOstuni	0:75fc82583a41	1167	}
DiegoOstuni	0:75fc82583a41	1168
DiegoOstuni	0:75fc82583a41	1169	/* Digital 1.0 14.12.3.4 - If last send was ATN and rx PNI is minus 1 */
DiegoOstuni	0:75fc82583a41	1170	else if( nfcip_PFBisSATN( gNfcip.lastPFB ) && (nfcip_PNIDec(gNfcip.pni) == nfcip_PBF_PNI( rxPFB )) )
DiegoOstuni	0:75fc82583a41	1171	{
DiegoOstuni	0:75fc82583a41	1172	nfcipLogI( " NFCIP(T) wrong PNI, last was ATN reTx \r\n" );
DiegoOstuni	0:75fc82583a41	1173	/* Spec says to leave current PNI as is, but will be Inc after Tx, remaining the same */
DiegoOstuni	0:75fc82583a41	1174	gNfcip.pni = nfcip_PNIDec( gNfcip.pni );
DiegoOstuni	0:75fc82583a41	1175
DiegoOstuni	0:75fc82583a41	1176	gNfcip.state = NFCIP_ST_TARG_DEP_TX;
DiegoOstuni	0:75fc82583a41	1177	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1178	}
DiegoOstuni	0:75fc82583a41	1179	}
DiegoOstuni	0:75fc82583a41	1180	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1181	/* R NACK */
DiegoOstuni	0:75fc82583a41	1182	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1183	/* ISO 18092 12.6.1.3.3 When rcv NACK if PNI = prev PNI sent -> reTx */
DiegoOstuni	0:75fc82583a41	1184	else if( nfcip_PFBisRNACK( rxPFB ) && (nfcip_PNIDec(gNfcip.pni) == nfcip_PBF_PNI( rxPFB ) ) )
DiegoOstuni	0:75fc82583a41	1185	{
DiegoOstuni	0:75fc82583a41	1186	nfcipLogI( " NFCIP(T) Rcvd NACK \r\n" );
DiegoOstuni	0:75fc82583a41	1187
DiegoOstuni	0:75fc82583a41	1188	gNfcip.pni = nfcip_PNIDec( gNfcip.pni ); /* Dec so that has the prev PNI */
DiegoOstuni	0:75fc82583a41	1189
DiegoOstuni	0:75fc82583a41	1190	gNfcip.state = NFCIP_ST_TARG_DEP_TX;
DiegoOstuni	0:75fc82583a41	1191	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1192	}
DiegoOstuni	0:75fc82583a41	1193
DiegoOstuni	0:75fc82583a41	1194	nfcipLogI( " NFCIP(T) Unexpected R-PDU \r\n" );
DiegoOstuni	0:75fc82583a41	1195
DiegoOstuni	0:75fc82583a41	1196	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1197	return ERR_BUSY; /* ERR_PROTO - Ignore unexpected R-PDU */
DiegoOstuni	0:75fc82583a41	1198	}
DiegoOstuni	0:75fc82583a41	1199
DiegoOstuni	0:75fc82583a41	1200	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1201	/* Process S-PDU */
DiegoOstuni	0:75fc82583a41	1202	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1203	if( nfcip_PFBisSPDU( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1204	{
DiegoOstuni	0:75fc82583a41	1205	nfcipLogD( " NFCIP(T) Rcvd S-PDU \r\n" );
DiegoOstuni	0:75fc82583a41	1206
DiegoOstuni	0:75fc82583a41	1207	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1208	/* S ATN */
DiegoOstuni	0:75fc82583a41	1209	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1210	/* ISO 18092 12.6.3 Attention */
DiegoOstuni	0:75fc82583a41	1211	if( nfcip_PFBisSATN( rxPFB ) ) /* If is a S-ATN */
DiegoOstuni	0:75fc82583a41	1212	{
DiegoOstuni	0:75fc82583a41	1213	nfcipLogI( " NFCIP(T) Rcvd ATN curPNI: %d \r\n", gNfcip.pni );
DiegoOstuni	0:75fc82583a41	1214	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_ATN(), 0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	1215	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1216	}
DiegoOstuni	0:75fc82583a41	1217
DiegoOstuni	0:75fc82583a41	1218	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1219	/* S TO */
DiegoOstuni	0:75fc82583a41	1220	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1221	else if( nfcip_PFBisSTO( rxPFB ) ) /* If is a S-TO (RTOX) */
DiegoOstuni	0:75fc82583a41	1222	{
DiegoOstuni	0:75fc82583a41	1223	if( nfcip_PFBisSTO( gNfcip.lastPFBnATN ) )
DiegoOstuni	0:75fc82583a41	1224	{
DiegoOstuni	0:75fc82583a41	1225	nfcipLogI( " NFCIP(T) Rcvd TO \r\n" );
DiegoOstuni	0:75fc82583a41	1226
DiegoOstuni	0:75fc82583a41	1227	/* Digital 1.1 16.8.4.6 RTOX value in RES different that in REQ -> Protocol Error */
DiegoOstuni	0:75fc82583a41	1228	if( gNfcip.lastRTOX != gNfcip.rxBuf[rxMsgIt++] )
DiegoOstuni	0:75fc82583a41	1229	{
DiegoOstuni	0:75fc82583a41	1230	nfcipLogI( " NFCIP(T) Mismatched RTOX value \r\n" );
DiegoOstuni	0:75fc82583a41	1231
DiegoOstuni	0:75fc82583a41	1232	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1233	return ERR_BUSY; /* ERR_PROTO - Ignore unexpected RTOX value */
DiegoOstuni	0:75fc82583a41	1234	}
DiegoOstuni	0:75fc82583a41	1235
DiegoOstuni	0:75fc82583a41	1236	/* Clear waiting for RTOX Ack Flag */
DiegoOstuni	0:75fc82583a41	1237	gNfcip.isWait4RTOX = false;
DiegoOstuni	0:75fc82583a41	1238
DiegoOstuni	0:75fc82583a41	1239	/* Check if a Tx is already pending */
DiegoOstuni	0:75fc82583a41	1240	if( gNfcip.isTxPending )
DiegoOstuni	0:75fc82583a41	1241	{
DiegoOstuni	0:75fc82583a41	1242	nfcipLogW( " NFCIP(T) Tx pending, go immediately to TX \r\n" );
DiegoOstuni	0:75fc82583a41	1243
DiegoOstuni	0:75fc82583a41	1244	gNfcip.state = NFCIP_ST_TARG_DEP_TX;
DiegoOstuni	0:75fc82583a41	1245	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1246	}
DiegoOstuni	0:75fc82583a41	1247
DiegoOstuni	0:75fc82583a41	1248	/* Start RTOX timer and change to check state */
DiegoOstuni	0:75fc82583a41	1249	nfcipTimerStart( gNfcip.RTOXTimer, nfcipRTOXAdjust( nfcipConv1FcToMs( gNfcip.lastRTOX * rfalNfcDepWT2RWT(gNfcip.cfg.to ) ) ) );
DiegoOstuni	0:75fc82583a41	1250	gNfcip.state = NFCIP_ST_TARG_DEP_RTOX;
DiegoOstuni	0:75fc82583a41	1251
DiegoOstuni	0:75fc82583a41	1252	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1253	}
DiegoOstuni	0:75fc82583a41	1254	}
DiegoOstuni	0:75fc82583a41	1255	/* Unexpected S-PDU */
DiegoOstuni	0:75fc82583a41	1256	nfcipLogI( " NFCIP(T) Unexpected S-PDU \r\n" );
DiegoOstuni	0:75fc82583a41	1257
DiegoOstuni	0:75fc82583a41	1258	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1259	return ERR_BUSY; /* ERR_PROTO - Ignore unexpected S-PDU */
DiegoOstuni	0:75fc82583a41	1260	}
DiegoOstuni	0:75fc82583a41	1261
DiegoOstuni	0:75fc82583a41	1262	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1263	/* Process I-PDU */
DiegoOstuni	0:75fc82583a41	1264	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1265	if( nfcip_PFBisIPDU( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1266	{
DiegoOstuni	0:75fc82583a41	1267	if( gNfcip.pni != nfcip_PBF_PNI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1268	{
DiegoOstuni	0:75fc82583a41	1269	nfcipLogI( " NFCIP(T) Rcvd IPDU wrong PNI curPNI: %d rxPNI: %d \r\n", gNfcip.pni, nfcip_PBF_PNI( rxPFB ) );
DiegoOstuni	0:75fc82583a41	1270
DiegoOstuni	0:75fc82583a41	1271	/* Digital 1.1 16.12.3.4 - If last send was ATN and rx PNI is minus 1 */
DiegoOstuni	0:75fc82583a41	1272	if( nfcip_PFBisSATN(gNfcip.lastPFB ) && (nfcip_PNIDec(gNfcip.pni) == nfcip_PBF_PNI( rxPFB )) )
DiegoOstuni	0:75fc82583a41	1273	{
DiegoOstuni	0:75fc82583a41	1274	/* Spec says to leave current PNI as is, but will be Inc after Data Tx, remaining the same */
DiegoOstuni	0:75fc82583a41	1275	gNfcip.pni = nfcip_PNIDec(gNfcip.pni);
DiegoOstuni	0:75fc82583a41	1276
DiegoOstuni	0:75fc82583a41	1277	if( nfcip_PFBisIMI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1278	{
DiegoOstuni	0:75fc82583a41	1279	nfcipLogI( " NFCIP(T) PNI = prevPNI && ATN before && chaining -> send ACK \r\n" );
DiegoOstuni	0:75fc82583a41	1280	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_ACK( gNfcip.pni ), gNfcip.rxBuf[rxMsgIt++], mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	1281
DiegoOstuni	0:75fc82583a41	1282	/* Digital 1.1 16.12.3.4 (...) leave the current PNI unchanged afterwards */
DiegoOstuni	0:75fc82583a41	1283	gNfcip.pni = nfcip_PNIInc( gNfcip.pni );
DiegoOstuni	0:75fc82583a41	1284	}
DiegoOstuni	0:75fc82583a41	1285	else
DiegoOstuni	0:75fc82583a41	1286	{
DiegoOstuni	0:75fc82583a41	1287	nfcipLogI( " NFCIP(T) PNI = prevPNI && ATN before -> reTx last I-PDU \r\n" );
DiegoOstuni	0:75fc82583a41	1288	gNfcip.state = NFCIP_ST_TARG_DEP_TX;
DiegoOstuni	0:75fc82583a41	1289	}
DiegoOstuni	0:75fc82583a41	1290
DiegoOstuni	0:75fc82583a41	1291	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1292	}
DiegoOstuni	0:75fc82583a41	1293
DiegoOstuni	0:75fc82583a41	1294	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	1295	return ERR_BUSY; /* ERR_PROTO - Ignore bad PNI value */
DiegoOstuni	0:75fc82583a41	1296	}
DiegoOstuni	0:75fc82583a41	1297
DiegoOstuni	0:75fc82583a41	1298	nfcipLogD( " NFCIP(T) Rcvd IPDU OK PNI: %d \r\n", gNfcip.pni );
DiegoOstuni	0:75fc82583a41	1299
DiegoOstuni	0:75fc82583a41	1300	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1301	/* Successful data exchange */
DiegoOstuni	0:75fc82583a41	1302	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1303	*outActRxLen = (nfcDepLen - RFAL_NFCDEP_DEP_HEADER - optHdrLen);
DiegoOstuni	0:75fc82583a41	1304
DiegoOstuni	0:75fc82583a41	1305	nfcipClearCounters();
DiegoOstuni	0:75fc82583a41	1306
DiegoOstuni	0:75fc82583a41	1307	if( (gNfcip.rxBuf + gNfcip.rxBufPaylPos) != (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen) )
DiegoOstuni	0:75fc82583a41	1308	{
DiegoOstuni	0:75fc82583a41	1309	ST_MEMMOVE( (gNfcip.rxBuf + gNfcip.rxBufPaylPos), (gNfcip.rxBuf + RFAL_NFCDEP_DEP_HEADER + optHdrLen), *outActRxLen );
DiegoOstuni	0:75fc82583a41	1310	}
DiegoOstuni	0:75fc82583a41	1311
DiegoOstuni	0:75fc82583a41	1312
DiegoOstuni	0:75fc82583a41	1313	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1314	/* Check if Initiator is indicating chaining MI */
DiegoOstuni	0:75fc82583a41	1315	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1316	if( nfcip_PFBisIMI( rxPFB ) )
DiegoOstuni	0:75fc82583a41	1317	{
DiegoOstuni	0:75fc82583a41	1318	gNfcip.isRxChaining = true;
DiegoOstuni	0:75fc82583a41	1319	*outIsChaining = true;
DiegoOstuni	0:75fc82583a41	1320
DiegoOstuni	0:75fc82583a41	1321	nfcipLogD( " NFCIP(T) Rcvd IPDU OK w MI -> ACK \r\n" );
DiegoOstuni	0:75fc82583a41	1322	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBRPDU_ACK( gNfcip.pni ), gNfcip.rxBuf[rxMsgIt++], mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	1323
DiegoOstuni	0:75fc82583a41	1324	gNfcip.pni = nfcip_PNIInc( gNfcip.pni );
DiegoOstuni	0:75fc82583a41	1325
DiegoOstuni	0:75fc82583a41	1326	return ERR_AGAIN; /* Send Again signalling to run again, but some chaining data has arrived*/
DiegoOstuni	0:75fc82583a41	1327	}
DiegoOstuni	0:75fc82583a41	1328	else
DiegoOstuni	0:75fc82583a41	1329	{
DiegoOstuni	0:75fc82583a41	1330	if(gNfcip.isRxChaining)
DiegoOstuni	0:75fc82583a41	1331	{
DiegoOstuni	0:75fc82583a41	1332	nfcipLogI( " NFCIP(T) Rcvd last IPDU chaining finished \r\n" );
DiegoOstuni	0:75fc82583a41	1333	}
DiegoOstuni	0:75fc82583a41	1334
DiegoOstuni	0:75fc82583a41	1335	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1336	/* Reception done, send to DH and start RTOX timer */
DiegoOstuni	0:75fc82583a41	1337	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1338	nfcipTimerStart( gNfcip.RTOXTimer, nfcipRTOXAdjust( nfcipConv1FcToMs( rfalNfcDepWT2RWT( gNfcip.cfg.to ) )) );
DiegoOstuni	0:75fc82583a41	1339	gNfcip.state = NFCIP_ST_TARG_DEP_RTOX;
DiegoOstuni	0:75fc82583a41	1340
DiegoOstuni	0:75fc82583a41	1341	gNfcip.isRxChaining = false;
DiegoOstuni	0:75fc82583a41	1342	return ERR_NONE; /* Data exchange done */
DiegoOstuni	0:75fc82583a41	1343	}
DiegoOstuni	0:75fc82583a41	1344	}
DiegoOstuni	0:75fc82583a41	1345	return ret;
DiegoOstuni	0:75fc82583a41	1346	}
DiegoOstuni	0:75fc82583a41	1347
DiegoOstuni	0:75fc82583a41	1348
DiegoOstuni	0:75fc82583a41	1349	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1350	static ReturnCode nfcipTx( rfalNfcDepCmd cmd, uint8_t* txBuf, uint8_t paylBuf, uint16_t paylLen, uint8_t pfb, uint32_t fwt, 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 )
DiegoOstuni	0:75fc82583a41	1351	{
DiegoOstuni	0:75fc82583a41	1352	uint16_t txBufIt;
DiegoOstuni	0:75fc82583a41	1353	uint8_t *txBlock;
DiegoOstuni	0:75fc82583a41	1354
DiegoOstuni	0:75fc82583a41	1355	if( txBuf == NULL )
DiegoOstuni	0:75fc82583a41	1356	{
DiegoOstuni	0:75fc82583a41	1357	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	1358	}
DiegoOstuni	0:75fc82583a41	1359
DiegoOstuni	0:75fc82583a41	1360
DiegoOstuni	0:75fc82583a41	1361	if( (paylLen == 0) \|\| (paylBuf == NULL) )
DiegoOstuni	0:75fc82583a41	1362	{
DiegoOstuni	0:75fc82583a41	1363	paylBuf = (txBuf + RFAL_NFCDEP_DEPREQ_HEADER_LEN); /* If not a DEP (no Data) ensure enough space for header */
DiegoOstuni	0:75fc82583a41	1364	}
DiegoOstuni	0:75fc82583a41	1365
DiegoOstuni	0:75fc82583a41	1366
DiegoOstuni	0:75fc82583a41	1367	txBufIt = 0;
DiegoOstuni	0:75fc82583a41	1368	txBlock = paylBuf; /* Point to beginning of the Data, and go backwards */
DiegoOstuni	0:75fc82583a41	1369
DiegoOstuni	0:75fc82583a41	1370
DiegoOstuni	0:75fc82583a41	1371	gNfcip.lastCmd = cmd; /* store last cmd sent */
DiegoOstuni	0:75fc82583a41	1372	gNfcip.lastPFB = NFCIP_PFB_INVALID; /* reset last pfb sent */
DiegoOstuni	0:75fc82583a41	1373
DiegoOstuni	0:75fc82583a41	1374	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1375	/* Compute outgoing NFCIP message */
DiegoOstuni	0:75fc82583a41	1376	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1377	switch( cmd )
DiegoOstuni	0:75fc82583a41	1378	{
DiegoOstuni	0:75fc82583a41	1379	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1380	case NFCIP_CMD_ATR_RES:
DiegoOstuni	0:75fc82583a41	1381	case NFCIP_CMD_ATR_REQ:
DiegoOstuni	0:75fc82583a41	1382
DiegoOstuni	0:75fc82583a41	1383	rfalNfcDepSetNFCID( paylBuf, gNfcip.cfg.nfcid, gNfcip.cfg.nfcidLen ); /* NFCID */
DiegoOstuni	0:75fc82583a41	1384	txBufIt += RFAL_NFCDEP_NFCID3_LEN;
DiegoOstuni	0:75fc82583a41	1385
DiegoOstuni	0:75fc82583a41	1386	(paylBuf + txBufIt++) = gNfcip.cfg.did; / DID */
DiegoOstuni	0:75fc82583a41	1387	(paylBuf + txBufIt++) = gNfcip.cfg.bs; / BS */
DiegoOstuni	0:75fc82583a41	1388	(paylBuf + txBufIt++) = gNfcip.cfg.br; / BR */
DiegoOstuni	0:75fc82583a41	1389
DiegoOstuni	0:75fc82583a41	1390	if( cmd == NFCIP_CMD_ATR_RES )
DiegoOstuni	0:75fc82583a41	1391	{
DiegoOstuni	0:75fc82583a41	1392	(paylBuf + txBufIt++) = gNfcip.cfg.to; / ATR_RES[ TO ] */
DiegoOstuni	0:75fc82583a41	1393	}
DiegoOstuni	0:75fc82583a41	1394
DiegoOstuni	0:75fc82583a41	1395	if( gNfcip.cfg.gbLen > 0)
DiegoOstuni	0:75fc82583a41	1396	{
DiegoOstuni	0:75fc82583a41	1397	(paylBuf + txBufIt++) = nfcip_PPwGB( gNfcip.cfg.lr ); / PP signalling GB */
DiegoOstuni	0:75fc82583a41	1398	ST_MEMCPY( (paylBuf + txBufIt), gNfcip.cfg.gb, gNfcip.cfg.gbLen ); /* set General Bytes */
DiegoOstuni	0:75fc82583a41	1399	txBufIt += gNfcip.cfg.gbLen;
DiegoOstuni	0:75fc82583a41	1400	}
DiegoOstuni	0:75fc82583a41	1401	else
DiegoOstuni	0:75fc82583a41	1402	{
DiegoOstuni	0:75fc82583a41	1403	(paylBuf + txBufIt++) = rfalNfcDepLR2PP( gNfcip.cfg.lr ); / PP without GB */
DiegoOstuni	0:75fc82583a41	1404	}
DiegoOstuni	0:75fc82583a41	1405
DiegoOstuni	0:75fc82583a41	1406	if( (txBufIt + RFAL_NFCDEP_CMDTYPE_LEN + RFAL_NFCDEP_CMD_LEN) > RFAL_NFCDEP_ATRREQ_MAX_LEN ) /* Check max ATR length (ATR_REQ = ATR_RES)*/
DiegoOstuni	0:75fc82583a41	1407	{
DiegoOstuni	0:75fc82583a41	1408	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	1409	}
DiegoOstuni	0:75fc82583a41	1410
DiegoOstuni	0:75fc82583a41	1411	break;
DiegoOstuni	0:75fc82583a41	1412
DiegoOstuni	0:75fc82583a41	1413	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1414	case NFCIP_CMD_WUP_REQ: /* ISO 18092 - 12.5.2.1 */
DiegoOstuni	0:75fc82583a41	1415
DiegoOstuni	0:75fc82583a41	1416	rfalNfcDepSetNFCID( (paylBuf), gNfcip.cfg.nfcid, gNfcip.cfg.nfcidLen ); /* NFCID */
DiegoOstuni	0:75fc82583a41	1417	txBufIt += RFAL_NFCDEP_NFCID3_LEN;
DiegoOstuni	0:75fc82583a41	1418
DiegoOstuni	0:75fc82583a41	1419	(--txBlock) = gNfcip.cfg.did; / DID */
DiegoOstuni	0:75fc82583a41	1420	break;
DiegoOstuni	0:75fc82583a41	1421
DiegoOstuni	0:75fc82583a41	1422	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1423	case NFCIP_CMD_WUP_RES: /* ISO 18092 - 12.5.2.2 */
DiegoOstuni	0:75fc82583a41	1424	case NFCIP_CMD_PSL_REQ:
DiegoOstuni	0:75fc82583a41	1425	case NFCIP_CMD_PSL_RES:
DiegoOstuni	0:75fc82583a41	1426
DiegoOstuni	0:75fc82583a41	1427	(--txBlock) = gNfcip.cfg.did; / DID */
DiegoOstuni	0:75fc82583a41	1428	break;
DiegoOstuni	0:75fc82583a41	1429
DiegoOstuni	0:75fc82583a41	1430	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1431	case NFCIP_CMD_RLS_REQ:
DiegoOstuni	0:75fc82583a41	1432	case NFCIP_CMD_RLS_RES:
DiegoOstuni	0:75fc82583a41	1433	case NFCIP_CMD_DSL_REQ:
DiegoOstuni	0:75fc82583a41	1434	case NFCIP_CMD_DSL_RES:
DiegoOstuni	0:75fc82583a41	1435
DiegoOstuni	0:75fc82583a41	1436	/* Digital 1.0 - 14.8.1.1 & 14.9.1.1 & 14.10.1.1 Only add DID if not 0 */
DiegoOstuni	0:75fc82583a41	1437	if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO )
DiegoOstuni	0:75fc82583a41	1438	{
DiegoOstuni	0:75fc82583a41	1439	(--txBlock) = gNfcip.cfg.did; / DID */
DiegoOstuni	0:75fc82583a41	1440	}
DiegoOstuni	0:75fc82583a41	1441	break;
DiegoOstuni	0:75fc82583a41	1442
DiegoOstuni	0:75fc82583a41	1443	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1444	case NFCIP_CMD_DEP_REQ:
DiegoOstuni	0:75fc82583a41	1445	case NFCIP_CMD_DEP_RES:
DiegoOstuni	0:75fc82583a41	1446
DiegoOstuni	0:75fc82583a41	1447	/* Compute optional PFB bits */
DiegoOstuni	0:75fc82583a41	1448	if(gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) pfb \|= NFCIP_PFB_DID_BIT;
DiegoOstuni	0:75fc82583a41	1449	if(gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO) pfb \|= NFCIP_PFB_NAD_BIT;
DiegoOstuni	0:75fc82583a41	1450	if((gNfcip.isTxChaining) && (nfcip_PFBisIPDU(pfb)) ) pfb \|= NFCIP_PFB_MI_BIT;
DiegoOstuni	0:75fc82583a41	1451
DiegoOstuni	0:75fc82583a41	1452	/* Store PFB for future handling */
DiegoOstuni	0:75fc82583a41	1453	gNfcip.lastPFB = pfb; /* store PFB sent */
DiegoOstuni	0:75fc82583a41	1454
DiegoOstuni	0:75fc82583a41	1455	if( !nfcip_PFBisSATN(pfb) )
DiegoOstuni	0:75fc82583a41	1456	{
DiegoOstuni	0:75fc82583a41	1457	gNfcip.lastPFBnATN = pfb; /* store last PFB different then ATN */
DiegoOstuni	0:75fc82583a41	1458	}
DiegoOstuni	0:75fc82583a41	1459
DiegoOstuni	0:75fc82583a41	1460
DiegoOstuni	0:75fc82583a41	1461	/* Add NAD if it is to be supported */
DiegoOstuni	0:75fc82583a41	1462	if( gNfcip.cfg.nad != RFAL_NFCDEP_NAD_NO )
DiegoOstuni	0:75fc82583a41	1463	{
DiegoOstuni	0:75fc82583a41	1464	(--txBlock) = gNfcip.cfg.nad; / NAD */
DiegoOstuni	0:75fc82583a41	1465	}
DiegoOstuni	0:75fc82583a41	1466
DiegoOstuni	0:75fc82583a41	1467	/* Digital 1.0 - 14.8.1.1 & 14.8.1.1 Only add DID if not 0 */
DiegoOstuni	0:75fc82583a41	1468	if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO )
DiegoOstuni	0:75fc82583a41	1469	{
DiegoOstuni	0:75fc82583a41	1470	(--txBlock) = gNfcip.cfg.did; / DID */
DiegoOstuni	0:75fc82583a41	1471	}
DiegoOstuni	0:75fc82583a41	1472
DiegoOstuni	0:75fc82583a41	1473	(--txBlock) = pfb; / PFB */
DiegoOstuni	0:75fc82583a41	1474
DiegoOstuni	0:75fc82583a41	1475
DiegoOstuni	0:75fc82583a41	1476	/* NCI 1.0 - Check if Empty frames are allowed */
DiegoOstuni	0:75fc82583a41	1477	if( (paylLen == 0) && nfcipIsEmptyDEPDisabled(gNfcip.cfg.oper) && nfcip_PFBisIPDU(pfb) )
DiegoOstuni	0:75fc82583a41	1478	{
DiegoOstuni	0:75fc82583a41	1479	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	1480	}
DiegoOstuni	0:75fc82583a41	1481	break;
DiegoOstuni	0:75fc82583a41	1482
DiegoOstuni	0:75fc82583a41	1483	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1484	default:
DiegoOstuni	0:75fc82583a41	1485	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	1486	}
DiegoOstuni	0:75fc82583a41	1487
DiegoOstuni	0:75fc82583a41	1488	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1489	/* Prepend Header */
DiegoOstuni	0:75fc82583a41	1490	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1491	(--txBlock) = (uint8_t)cmd; / CMD */
DiegoOstuni	0:75fc82583a41	1492	(--txBlock) = ( nfcipCmdIsReq(cmd) ? NFCIP_REQ : NFCIP_RES ); / CMDType */
DiegoOstuni	0:75fc82583a41	1493
DiegoOstuni	0:75fc82583a41	1494
DiegoOstuni	0:75fc82583a41	1495	txBufIt += paylLen + (paylBuf - txBlock); /* Calculate overall buffer size */
DiegoOstuni	0:75fc82583a41	1496
DiegoOstuni	0:75fc82583a41	1497
DiegoOstuni	0:75fc82583a41	1498	if( txBufIt > gNfcip.fsc ) /* Check if msg length violates the maximum payload size FSC */
DiegoOstuni	0:75fc82583a41	1499	{
DiegoOstuni	0:75fc82583a41	1500	return ERR_NOTSUPP;
DiegoOstuni	0:75fc82583a41	1501	}
DiegoOstuni	0:75fc82583a41	1502
DiegoOstuni	0:75fc82583a41	1503	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1504	return nfcipDataTx( txBlock, txBufIt, fwt, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1505	}
DiegoOstuni	0:75fc82583a41	1506
DiegoOstuni	0:75fc82583a41	1507	/*
DiegoOstuni	0:75fc82583a41	1508	******************************************************************************
DiegoOstuni	0:75fc82583a41	1509	* GLOBAL FUNCTIONS
DiegoOstuni	0:75fc82583a41	1510	******************************************************************************
DiegoOstuni	0:75fc82583a41	1511	*/
DiegoOstuni	0:75fc82583a41	1512
DiegoOstuni	0:75fc82583a41	1513	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1514	static void nfcipConfig( rfalNfcDepConfigs cfg )
DiegoOstuni	0:75fc82583a41	1515	{
DiegoOstuni	0:75fc82583a41	1516	ST_MEMCPY(&gNfcip.cfg, &cfg, sizeof(rfalNfcDepConfigs)); /* Copy given config to local */
DiegoOstuni	0:75fc82583a41	1517
DiegoOstuni	0:75fc82583a41	1518	gNfcip.cfg.to = MIN( RFAL_NFCDEP_WT_TRG_MAX, gNfcip.cfg.to); /* Ensure proper WT value */
DiegoOstuni	0:75fc82583a41	1519	gNfcip.cfg.did = nfcip_DIDMax( gNfcip.cfg.did ); /* Ensure proper DID value */
DiegoOstuni	0:75fc82583a41	1520	gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr ); /* Calculate FSC based on given LR */
DiegoOstuni	0:75fc82583a41	1521
DiegoOstuni	0:75fc82583a41	1522	gNfcip.state = ( ( gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) ? NFCIP_ST_TARG_WAIT_ATR : NFCIP_ST_INIT_IDLE );
DiegoOstuni	0:75fc82583a41	1523	}
DiegoOstuni	0:75fc82583a41	1524
DiegoOstuni	0:75fc82583a41	1525
DiegoOstuni	0:75fc82583a41	1526	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1527	static ReturnCode nfcipRun( uint16_t outActRxLen, bool outIsChaining, 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 )
DiegoOstuni	0:75fc82583a41	1528	{
DiegoOstuni	0:75fc82583a41	1529	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	1530
DiegoOstuni	0:75fc82583a41	1531	ret = ERR_SYNTAX;
DiegoOstuni	0:75fc82583a41	1532
DiegoOstuni	0:75fc82583a41	1533	nfcipLogD( " NFCIP Run() state: %d \r\n", gNfcip.state );
DiegoOstuni	0:75fc82583a41	1534
DiegoOstuni	0:75fc82583a41	1535	switch( gNfcip.state )
DiegoOstuni	0:75fc82583a41	1536	{
DiegoOstuni	0:75fc82583a41	1537	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1538	case NFCIP_ST_IDLE:
DiegoOstuni	0:75fc82583a41	1539	case NFCIP_ST_INIT_DEP_IDLE:
DiegoOstuni	0:75fc82583a41	1540	case NFCIP_ST_TARG_DEP_IDLE:
DiegoOstuni	0:75fc82583a41	1541	case NFCIP_ST_TARG_DEP_SLEEP:
DiegoOstuni	0:75fc82583a41	1542	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	1543
DiegoOstuni	0:75fc82583a41	1544	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1545	case NFCIP_ST_INIT_DEP_TX:
DiegoOstuni	0:75fc82583a41	1546
DiegoOstuni	0:75fc82583a41	1547	nfcipLogD( " NFCIP(I) Tx PNI: %d txLen: %d \r\n", gNfcip.pni, gNfcip.txBufLen );
DiegoOstuni	0:75fc82583a41	1548	ret = nfcipTx( NFCIP_CMD_DEP_REQ, gNfcip.txBuf, (gNfcip.txBuf + gNfcip.txBufPaylPos), gNfcip.txBufLen, nfcip_PFBIPDU( gNfcip.pni ), (gNfcip.cfg.fwt + gNfcip.cfg.dFwt), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1549
DiegoOstuni	0:75fc82583a41	1550	switch( ERR_NO_MASK(ret) )
DiegoOstuni	0:75fc82583a41	1551	{
DiegoOstuni	0:75fc82583a41	1552	case ERR_PARAM:
DiegoOstuni	0:75fc82583a41	1553	default:
DiegoOstuni	0:75fc82583a41	1554	gNfcip.state = NFCIP_ST_INIT_DEP_IDLE;
DiegoOstuni	0:75fc82583a41	1555	return ret;
DiegoOstuni	0:75fc82583a41	1556
DiegoOstuni	0:75fc82583a41	1557	case ERR_NONE:
DiegoOstuni	0:75fc82583a41	1558	gNfcip.state = NFCIP_ST_INIT_DEP_RX;
DiegoOstuni	0:75fc82583a41	1559
DiegoOstuni	0:75fc82583a41	1560	}
DiegoOstuni	0:75fc82583a41	1561	/* fall through */
DiegoOstuni	0:75fc82583a41	1562
DiegoOstuni	0:75fc82583a41	1563	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1564	case NFCIP_ST_INIT_DEP_RX:
DiegoOstuni	0:75fc82583a41	1565
DiegoOstuni	0:75fc82583a41	1566	ret = nfcipDataRx();
DiegoOstuni	0:75fc82583a41	1567
DiegoOstuni	0:75fc82583a41	1568	if( ret != ERR_NO_MASK(ERR_BUSY) )
DiegoOstuni	0:75fc82583a41	1569	{
DiegoOstuni	0:75fc82583a41	1570	ret = nfcipInitiatorHandleDEP( ret, *gNfcip.rxRcvdLen, outActRxLen, outIsChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1571	}
DiegoOstuni	0:75fc82583a41	1572
DiegoOstuni	0:75fc82583a41	1573	break;
DiegoOstuni	0:75fc82583a41	1574
DiegoOstuni	0:75fc82583a41	1575	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1576	case NFCIP_ST_TARG_DEP_RTOX:
DiegoOstuni	0:75fc82583a41	1577
DiegoOstuni	0:75fc82583a41	1578	if( !nfcipTimerisExpired( gNfcip.RTOXTimer ) ) /* Do nothing until RTOX timer has expired */
DiegoOstuni	0:75fc82583a41	1579	{
DiegoOstuni	0:75fc82583a41	1580	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1581	}
DiegoOstuni	0:75fc82583a41	1582
DiegoOstuni	0:75fc82583a41	1583	/* If we cannot send a RTOX raise a Timeout error so that we do not
DiegoOstuni	0:75fc82583a41	1584	* hold the field On forever in AP2P */
DiegoOstuni	0:75fc82583a41	1585	if( nfcipIsRTOXReqDisabled(gNfcip.cfg.oper) )
DiegoOstuni	0:75fc82583a41	1586	{
DiegoOstuni	0:75fc82583a41	1587	/* We should reEnable Rx, and measure time between our field Off to
DiegoOstuni	0:75fc82583a41	1588	* either report link loss or recover #287 */
DiegoOstuni	0:75fc82583a41	1589	nfcipLogI( " NFCIP(T) RTOX not sent due to config, NOT reenabling Rx \r\n" );
DiegoOstuni	0:75fc82583a41	1590	return ERR_TIMEOUT;
DiegoOstuni	0:75fc82583a41	1591	}
DiegoOstuni	0:75fc82583a41	1592
DiegoOstuni	0:75fc82583a41	1593	if( gNfcip.cntRTOXRetrys++ > NFCIP_MAX_RTOX_RETRYS ) /* Check maximum consecutive RTOX requests */
DiegoOstuni	0:75fc82583a41	1594	{
DiegoOstuni	0:75fc82583a41	1595	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1596	}
DiegoOstuni	0:75fc82583a41	1597
DiegoOstuni	0:75fc82583a41	1598	nfcipLogI( " NFCIP(T) RTOX sent \r\n" );
DiegoOstuni	0:75fc82583a41	1599
DiegoOstuni	0:75fc82583a41	1600	gNfcip.lastRTOX = nfcip_RTOXTargMax(gNfcip.cfg.to); /* Calculate requested RTOX value, and send it */
DiegoOstuni	0:75fc82583a41	1601	EXIT_ON_ERR( ret, nfcipDEPControlMsg( nfcip_PFBSPDU_TO(), gNfcip.lastRTOX, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	1602
DiegoOstuni	0:75fc82583a41	1603	/* Set waiting for RTOX Ack Flag */
DiegoOstuni	0:75fc82583a41	1604	gNfcip.isWait4RTOX = true;
DiegoOstuni	0:75fc82583a41	1605
DiegoOstuni	0:75fc82583a41	1606	gNfcip.state = NFCIP_ST_TARG_DEP_RX; /* Go back to Rx to process RTOX ack */
DiegoOstuni	0:75fc82583a41	1607	return ERR_BUSY;
DiegoOstuni	0:75fc82583a41	1608
DiegoOstuni	0:75fc82583a41	1609	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1610	case NFCIP_ST_TARG_DEP_TX:
DiegoOstuni	0:75fc82583a41	1611
DiegoOstuni	0:75fc82583a41	1612	nfcipLogD( " NFCIP(T) Tx PNI: %d txLen: %d \r\n", gNfcip.pni, gNfcip.txBufLen );
DiegoOstuni	0:75fc82583a41	1613	ret = nfcipTx( NFCIP_CMD_DEP_RES, gNfcip.txBuf, (gNfcip.txBuf + gNfcip.txBufPaylPos), gNfcip.txBufLen, nfcip_PFBIPDU( gNfcip.pni ), NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1614
DiegoOstuni	0:75fc82583a41	1615	/* Clear flags */
DiegoOstuni	0:75fc82583a41	1616	gNfcip.isTxPending = false;
DiegoOstuni	0:75fc82583a41	1617	gNfcip.isWait4RTOX = false;
DiegoOstuni	0:75fc82583a41	1618
DiegoOstuni	0:75fc82583a41	1619	/* Digital 1.0 14.12.3.4 Increment the current PNI after Tx */
DiegoOstuni	0:75fc82583a41	1620	gNfcip.pni = nfcip_PNIInc( gNfcip.pni );
DiegoOstuni	0:75fc82583a41	1621
DiegoOstuni	0:75fc82583a41	1622	switch( ERR_NO_MASK(ret) )
DiegoOstuni	0:75fc82583a41	1623	{
DiegoOstuni	0:75fc82583a41	1624	case ERR_PARAM:
DiegoOstuni	0:75fc82583a41	1625	default:
DiegoOstuni	0:75fc82583a41	1626	gNfcip.state = NFCIP_ST_TARG_DEP_IDLE; /* Upon Tx error, goto IDLE state */
DiegoOstuni	0:75fc82583a41	1627	return ret;
DiegoOstuni	0:75fc82583a41	1628
DiegoOstuni	0:75fc82583a41	1629	case ERR_NONE:
DiegoOstuni	0:75fc82583a41	1630	gNfcip.state = NFCIP_ST_TARG_DEP_RX; /* All OK, goto Rx state */
DiegoOstuni	0:75fc82583a41	1631	}
DiegoOstuni	0:75fc82583a41	1632	/* fall through */
DiegoOstuni	0:75fc82583a41	1633
DiegoOstuni	0:75fc82583a41	1634	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1635	case NFCIP_ST_TARG_DEP_RX:
DiegoOstuni	0:75fc82583a41	1636
DiegoOstuni	0:75fc82583a41	1637	if( gNfcip.isReqPending ) /* if already has Data should be from a DEP from nfcipTargetHandleActivation() */
DiegoOstuni	0:75fc82583a41	1638	{
DiegoOstuni	0:75fc82583a41	1639	nfcipLogD( " NFCIP(T) Skipping Rx Using DEP from Activation \r\n" );
DiegoOstuni	0:75fc82583a41	1640
DiegoOstuni	0:75fc82583a41	1641	gNfcip.isReqPending = false;
DiegoOstuni	0:75fc82583a41	1642	ret = ERR_NONE;
DiegoOstuni	0:75fc82583a41	1643	}
DiegoOstuni	0:75fc82583a41	1644	else
DiegoOstuni	0:75fc82583a41	1645	{
DiegoOstuni	0:75fc82583a41	1646	ret = nfcipDataRx();
DiegoOstuni	0:75fc82583a41	1647	}
DiegoOstuni	0:75fc82583a41	1648
DiegoOstuni	0:75fc82583a41	1649	if( ret != ERR_NO_MASK(ERR_BUSY) )
DiegoOstuni	0:75fc82583a41	1650	{
DiegoOstuni	0:75fc82583a41	1651	ret = nfcipTargetHandleRX( ret, outActRxLen, outIsChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	1652	}
DiegoOstuni	0:75fc82583a41	1653
DiegoOstuni	0:75fc82583a41	1654	break;
DiegoOstuni	0:75fc82583a41	1655
DiegoOstuni	0:75fc82583a41	1656	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1657	default:
DiegoOstuni	0:75fc82583a41	1658	break;
DiegoOstuni	0:75fc82583a41	1659	}
DiegoOstuni	0:75fc82583a41	1660	return ret;
DiegoOstuni	0:75fc82583a41	1661	}
DiegoOstuni	0:75fc82583a41	1662
DiegoOstuni	0:75fc82583a41	1663
DiegoOstuni	0:75fc82583a41	1664	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1665	void rfalNfcDepSetDeactivatingCallback( rfalNfcDepDeactCallback pFunc )
DiegoOstuni	0:75fc82583a41	1666	{
DiegoOstuni	0:75fc82583a41	1667	gNfcip.isDeactivating = pFunc;
DiegoOstuni	0:75fc82583a41	1668	}
DiegoOstuni	0:75fc82583a41	1669
DiegoOstuni	0:75fc82583a41	1670
DiegoOstuni	0:75fc82583a41	1671	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1672	void rfalNfcDepInitialize( void )
DiegoOstuni	0:75fc82583a41	1673	{
DiegoOstuni	0:75fc82583a41	1674	nfcipLogD( " NFCIP Ini() \r\n" );
DiegoOstuni	0:75fc82583a41	1675
DiegoOstuni	0:75fc82583a41	1676	gNfcip.state = NFCIP_ST_IDLE;
DiegoOstuni	0:75fc82583a41	1677	gNfcip.isDeactivating = NULL;
DiegoOstuni	0:75fc82583a41	1678
DiegoOstuni	0:75fc82583a41	1679	gNfcip.isTxPending = false;
DiegoOstuni	0:75fc82583a41	1680	gNfcip.isWait4RTOX = false;
DiegoOstuni	0:75fc82583a41	1681	gNfcip.isReqPending = false;
DiegoOstuni	0:75fc82583a41	1682
DiegoOstuni	0:75fc82583a41	1683
DiegoOstuni	0:75fc82583a41	1684	gNfcip.cfg.oper = (RFAL_NFCDEP_OPER_FULL_MI_DIS \| RFAL_NFCDEP_OPER_EMPTY_DEP_EN \| RFAL_NFCDEP_OPER_ATN_EN \| RFAL_NFCDEP_OPER_RTOX_REQ_EN);
DiegoOstuni	0:75fc82583a41	1685
DiegoOstuni	0:75fc82583a41	1686	gNfcip.cfg.did = RFAL_NFCDEP_DID_NO;
DiegoOstuni	0:75fc82583a41	1687	gNfcip.cfg.nad = RFAL_NFCDEP_NAD_NO;
DiegoOstuni	0:75fc82583a41	1688
DiegoOstuni	0:75fc82583a41	1689	gNfcip.cfg.br = RFAL_NFCDEP_Bx_NO_HIGH_BR;
DiegoOstuni	0:75fc82583a41	1690	gNfcip.cfg.bs = RFAL_NFCDEP_Bx_NO_HIGH_BR;
DiegoOstuni	0:75fc82583a41	1691
DiegoOstuni	0:75fc82583a41	1692	gNfcip.cfg.lr = RFAL_NFCDEP_LR_254;
DiegoOstuni	0:75fc82583a41	1693	gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr );
DiegoOstuni	0:75fc82583a41	1694
DiegoOstuni	0:75fc82583a41	1695	gNfcip.cfg.gbLen = 0;
DiegoOstuni	0:75fc82583a41	1696
DiegoOstuni	0:75fc82583a41	1697	gNfcip.cfg.fwt = RFAL_NFCDEP_MAX_FWT;
DiegoOstuni	0:75fc82583a41	1698	gNfcip.cfg.dFwt = RFAL_NFCDEP_MAX_FWT;
DiegoOstuni	0:75fc82583a41	1699
DiegoOstuni	0:75fc82583a41	1700	gNfcip.pni = 0;
DiegoOstuni	0:75fc82583a41	1701	gNfcip.RTOXTimer = 0;
DiegoOstuni	0:75fc82583a41	1702
DiegoOstuni	0:75fc82583a41	1703	nfcipClearCounters();
DiegoOstuni	0:75fc82583a41	1704	}
DiegoOstuni	0:75fc82583a41	1705
DiegoOstuni	0:75fc82583a41	1706
DiegoOstuni	0:75fc82583a41	1707	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1708	static void nfcipSetDEPParams( rfalNfcDepDEPParams *DEPParams )
DiegoOstuni	0:75fc82583a41	1709	{
DiegoOstuni	0:75fc82583a41	1710	nfcipLogD( " NFCIP SetDEP() txLen: %d \r\n", DEPParams->txBufLen );
DiegoOstuni	0:75fc82583a41	1711
DiegoOstuni	0:75fc82583a41	1712	gNfcip.isTxChaining = DEPParams->txChaining;
DiegoOstuni	0:75fc82583a41	1713	gNfcip.txBuf = DEPParams->txBuf;
DiegoOstuni	0:75fc82583a41	1714	gNfcip.rxBuf = DEPParams->rxBuf;
DiegoOstuni	0:75fc82583a41	1715	gNfcip.txBufLen = DEPParams->txBufLen;
DiegoOstuni	0:75fc82583a41	1716	gNfcip.rxBufLen = DEPParams->rxBufLen;
DiegoOstuni	0:75fc82583a41	1717	gNfcip.txBufPaylPos = DEPParams->txBufPaylPos;
DiegoOstuni	0:75fc82583a41	1718	gNfcip.rxBufPaylPos = DEPParams->rxBufPaylPos;
DiegoOstuni	0:75fc82583a41	1719
DiegoOstuni	0:75fc82583a41	1720	if( DEPParams->did != RFAL_NFCDEP_DID_KEEP )
DiegoOstuni	0:75fc82583a41	1721	{
DiegoOstuni	0:75fc82583a41	1722	gNfcip.cfg.did = nfcip_DIDMax( DEPParams->did );
DiegoOstuni	0:75fc82583a41	1723	}
DiegoOstuni	0:75fc82583a41	1724
DiegoOstuni	0:75fc82583a41	1725	gNfcip.cfg.fwt = DEPParams->fwt;
DiegoOstuni	0:75fc82583a41	1726	gNfcip.cfg.dFwt = DEPParams->dFwt;
DiegoOstuni	0:75fc82583a41	1727	gNfcip.fsc = DEPParams->fsc;
DiegoOstuni	0:75fc82583a41	1728
DiegoOstuni	0:75fc82583a41	1729
DiegoOstuni	0:75fc82583a41	1730
DiegoOstuni	0:75fc82583a41	1731	if(gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET)
DiegoOstuni	0:75fc82583a41	1732	{
DiegoOstuni	0:75fc82583a41	1733	/* If there's any data to be sent go for Tx */
DiegoOstuni	0:75fc82583a41	1734	if(DEPParams->txBufLen > 0)
DiegoOstuni	0:75fc82583a41	1735	{
DiegoOstuni	0:75fc82583a41	1736	/* Ensure that an RTOX Ack is not being expected at moment */
DiegoOstuni	0:75fc82583a41	1737	if( !gNfcip.isWait4RTOX )
DiegoOstuni	0:75fc82583a41	1738	{
DiegoOstuni	0:75fc82583a41	1739	gNfcip.state = NFCIP_ST_TARG_DEP_TX;
DiegoOstuni	0:75fc82583a41	1740	return;
DiegoOstuni	0:75fc82583a41	1741	}
DiegoOstuni	0:75fc82583a41	1742	else
DiegoOstuni	0:75fc82583a41	1743	{
DiegoOstuni	0:75fc82583a41	1744	/* If RTOX Ack is expected, signal a pending Tx to be transmitted right after */
DiegoOstuni	0:75fc82583a41	1745	gNfcip.isTxPending = true;
DiegoOstuni	0:75fc82583a41	1746	nfcipLogW( " NFCIP(T) Waiting RTOX, queueing outgoing DEP Block \r\n" );
DiegoOstuni	0:75fc82583a41	1747	}
DiegoOstuni	0:75fc82583a41	1748	}
DiegoOstuni	0:75fc82583a41	1749
DiegoOstuni	0:75fc82583a41	1750	/Digital 1.0 14.12.4.1 In target mode the first PDU MUST be sent by the Initiator /
DiegoOstuni	0:75fc82583a41	1751	gNfcip.state = NFCIP_ST_TARG_DEP_RX;
DiegoOstuni	0:75fc82583a41	1752	return;
DiegoOstuni	0:75fc82583a41	1753	}
DiegoOstuni	0:75fc82583a41	1754
DiegoOstuni	0:75fc82583a41	1755	/* New data TxRx request clear previous error counters for consecutive TxRx without reseting communication/protocol layer*/
DiegoOstuni	0:75fc82583a41	1756	nfcipClearCounters();
DiegoOstuni	0:75fc82583a41	1757
DiegoOstuni	0:75fc82583a41	1758	gNfcip.state = NFCIP_ST_INIT_DEP_TX;
DiegoOstuni	0:75fc82583a41	1759	}
DiegoOstuni	0:75fc82583a41	1760
DiegoOstuni	0:75fc82583a41	1761
DiegoOstuni	0:75fc82583a41	1762	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1763	bool rfalNfcDepTargetRcvdATR( void )
DiegoOstuni	0:75fc82583a41	1764	{
DiegoOstuni	0:75fc82583a41	1765	return ( (gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET) && nfcipIsTarget(gNfcip.state) && (gNfcip.state > NFCIP_ST_TARG_WAIT_ATR) );
DiegoOstuni	0:75fc82583a41	1766	}
DiegoOstuni	0:75fc82583a41	1767
DiegoOstuni	0:75fc82583a41	1768
DiegoOstuni	0:75fc82583a41	1769	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1770	bool rfalNfcDepIsAtrReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid3 )
DiegoOstuni	0:75fc82583a41	1771	{
DiegoOstuni	0:75fc82583a41	1772	uint8_t msgIt;
DiegoOstuni	0:75fc82583a41	1773
DiegoOstuni	0:75fc82583a41	1774	msgIt = 0;
DiegoOstuni	0:75fc82583a41	1775
DiegoOstuni	0:75fc82583a41	1776	if ( (bufLen < RFAL_NFCDEP_ATRREQ_MIN_LEN) \|\| (bufLen > RFAL_NFCDEP_ATRREQ_MAX_LEN) )
DiegoOstuni	0:75fc82583a41	1777	{
DiegoOstuni	0:75fc82583a41	1778	return false;
DiegoOstuni	0:75fc82583a41	1779	}
DiegoOstuni	0:75fc82583a41	1780
DiegoOstuni	0:75fc82583a41	1781	if ( *(buf + msgIt++) != NFCIP_REQ )
DiegoOstuni	0:75fc82583a41	1782	{
DiegoOstuni	0:75fc82583a41	1783	return false;
DiegoOstuni	0:75fc82583a41	1784	}
DiegoOstuni	0:75fc82583a41	1785
DiegoOstuni	0:75fc82583a41	1786	if( *(buf + msgIt++) != NFCIP_CMD_ATR_REQ )
DiegoOstuni	0:75fc82583a41	1787	{
DiegoOstuni	0:75fc82583a41	1788	return false;
DiegoOstuni	0:75fc82583a41	1789	}
DiegoOstuni	0:75fc82583a41	1790
DiegoOstuni	0:75fc82583a41	1791	/* Output NFID2 if requested */
DiegoOstuni	0:75fc82583a41	1792	if( nfcid3 != NULL )
DiegoOstuni	0:75fc82583a41	1793	{
DiegoOstuni	0:75fc82583a41	1794	ST_MEMCPY( nfcid3, (uint8_t*)(buf + RFAL_NFCDEP_ATR_REQ_NFCID3_POS), RFAL_NFCDEP_NFCID3_LEN );
DiegoOstuni	0:75fc82583a41	1795	}
DiegoOstuni	0:75fc82583a41	1796
DiegoOstuni	0:75fc82583a41	1797	return true;
DiegoOstuni	0:75fc82583a41	1798	}
DiegoOstuni	0:75fc82583a41	1799
DiegoOstuni	0:75fc82583a41	1800
DiegoOstuni	0:75fc82583a41	1801	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1802	static ReturnCode nfcipTargetHandleActivation( rfalNfcDepDevice nfcDepDev, uint8_t outBRS, 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 )
DiegoOstuni	0:75fc82583a41	1803	{
DiegoOstuni	0:75fc82583a41	1804	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	1805	uint8_t msgIt;
DiegoOstuni	0:75fc82583a41	1806	uint8_t txBuf[RFAL_NFCDEP_HEADER_PAD + NFCIP_PSLRES_LEN];
DiegoOstuni	0:75fc82583a41	1807
DiegoOstuni	0:75fc82583a41	1808	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1809	/* Check if we are in correct state */
DiegoOstuni	0:75fc82583a41	1810	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1811	if( gNfcip.state != NFCIP_ST_TARG_WAIT_ACTV )
DiegoOstuni	0:75fc82583a41	1812	{
DiegoOstuni	0:75fc82583a41	1813	return ERR_WRONG_STATE;
DiegoOstuni	0:75fc82583a41	1814	}
DiegoOstuni	0:75fc82583a41	1815
DiegoOstuni	0:75fc82583a41	1816
DiegoOstuni	0:75fc82583a41	1817	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1818	/* Check required parameters */
DiegoOstuni	0:75fc82583a41	1819	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1820	if( outBRS == NULL )
DiegoOstuni	0:75fc82583a41	1821	{
DiegoOstuni	0:75fc82583a41	1822	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	1823	}
DiegoOstuni	0:75fc82583a41	1824
DiegoOstuni	0:75fc82583a41	1825	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1826	/* Wait and process incoming cmd (PSL / DEP) */
DiegoOstuni	0:75fc82583a41	1827	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1828	ret = nfcipDataRx();
DiegoOstuni	0:75fc82583a41	1829
DiegoOstuni	0:75fc82583a41	1830	if( ret != ERR_NONE )
DiegoOstuni	0:75fc82583a41	1831	{
DiegoOstuni	0:75fc82583a41	1832	return ret;
DiegoOstuni	0:75fc82583a41	1833	}
DiegoOstuni	0:75fc82583a41	1834
DiegoOstuni	0:75fc82583a41	1835	msgIt = 0;
DiegoOstuni	0:75fc82583a41	1836	outBRS = RFAL_NFCDEP_BRS_MAINTAIN; / set out BRS to be maintained */
DiegoOstuni	0:75fc82583a41	1837
DiegoOstuni	0:75fc82583a41	1838	msgIt++; /* Skip LEN byte */
DiegoOstuni	0:75fc82583a41	1839
DiegoOstuni	0:75fc82583a41	1840	if ( *(gNfcip.rxBuf + msgIt++) != NFCIP_REQ )
DiegoOstuni	0:75fc82583a41	1841	{
DiegoOstuni	0:75fc82583a41	1842	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1843	}
DiegoOstuni	0:75fc82583a41	1844
DiegoOstuni	0:75fc82583a41	1845	if( *(gNfcip.rxBuf + msgIt) == NFCIP_CMD_PSL_REQ )
DiegoOstuni	0:75fc82583a41	1846	{
DiegoOstuni	0:75fc82583a41	1847	msgIt++;
DiegoOstuni	0:75fc82583a41	1848
DiegoOstuni	0:75fc82583a41	1849	if( (gNfcip.rxBuf + msgIt++) != gNfcip.cfg.did ) / Checking DID */
DiegoOstuni	0:75fc82583a41	1850	{
DiegoOstuni	0:75fc82583a41	1851	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1852	}
DiegoOstuni	0:75fc82583a41	1853
DiegoOstuni	0:75fc82583a41	1854	nfcipLogI( " NFCIP(T) PSL REQ rcvd \r\n" );
DiegoOstuni	0:75fc82583a41	1855
DiegoOstuni	0:75fc82583a41	1856	outBRS = (gNfcip.rxBuf + msgIt++); /* assign output BRS value */
DiegoOstuni	0:75fc82583a41	1857
DiegoOstuni	0:75fc82583a41	1858	/* Store FSL(LR) and update current config */
DiegoOstuni	0:75fc82583a41	1859	gNfcip.cfg.lr = (*(gNfcip.rxBuf + msgIt++) & RFAL_NFCDEP_LR_VAL_MASK);
DiegoOstuni	0:75fc82583a41	1860	gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr );
DiegoOstuni	0:75fc82583a41	1861
DiegoOstuni	0:75fc82583a41	1862	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1863	/* Update NFC-DDE Device info */
DiegoOstuni	0:75fc82583a41	1864	if( nfcDepDev != NULL )
DiegoOstuni	0:75fc82583a41	1865	{
DiegoOstuni	0:75fc82583a41	1866	/* Update Bitrate info */
DiegoOstuni	0:75fc82583a41	1867	nfcDepDev->info.DSI = (rfalBitRate)rfalNfcDepBRS2DSI( outBRS ); / DSI codes the bit rate from Initiator to Target */
DiegoOstuni	0:75fc82583a41	1868	nfcDepDev->info.DRI = (rfalBitRate)rfalNfcDepBRS2DRI( outBRS ); / DRI codes the bit rate from Target to Initiator */
DiegoOstuni	0:75fc82583a41	1869
DiegoOstuni	0:75fc82583a41	1870	/* Update Length Reduction and Frame Size */
DiegoOstuni	0:75fc82583a41	1871	nfcDepDev->info.LR = gNfcip.cfg.lr;
DiegoOstuni	0:75fc82583a41	1872	nfcDepDev->info.FS = gNfcip.fsc;
DiegoOstuni	0:75fc82583a41	1873
DiegoOstuni	0:75fc82583a41	1874	/* Update PPi byte */
DiegoOstuni	0:75fc82583a41	1875	nfcDepDev->activation.Initiator.ATR_REQ.PPi &= ~RFAL_NFCDEP_PP_LR_MASK;
DiegoOstuni	0:75fc82583a41	1876	nfcDepDev->activation.Initiator.ATR_REQ.PPi \|= rfalNfcDepLR2PP( gNfcip.cfg.lr );
DiegoOstuni	0:75fc82583a41	1877	}
DiegoOstuni	0:75fc82583a41	1878
DiegoOstuni	0:75fc82583a41	1879	EXIT_ON_ERR( ret, nfcipTx( NFCIP_CMD_PSL_RES, txBuf, 0, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	1880	}
DiegoOstuni	0:75fc82583a41	1881	else
DiegoOstuni	0:75fc82583a41	1882	{
DiegoOstuni	0:75fc82583a41	1883	if( *(gNfcip.rxBuf + msgIt) == NFCIP_CMD_DEP_REQ )
DiegoOstuni	0:75fc82583a41	1884	{
DiegoOstuni	0:75fc82583a41	1885	msgIt++;
DiegoOstuni	0:75fc82583a41	1886
DiegoOstuni	0:75fc82583a41	1887	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1888	/* Digital 1.0 14.12.3.1 PNI must be initialized to 0 */
DiegoOstuni	0:75fc82583a41	1889	if( nfcip_PBF_PNI( *(gNfcip.rxBuf + msgIt) ) != 0 )
DiegoOstuni	0:75fc82583a41	1890	{
DiegoOstuni	0:75fc82583a41	1891	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1892	}
DiegoOstuni	0:75fc82583a41	1893
DiegoOstuni	0:75fc82583a41	1894	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1895	/* Digital 1.0 14.8.2.1 check if DID is expected and match -> Protocol Error */
DiegoOstuni	0:75fc82583a41	1896	if( nfcip_PFBhasDID( *(gNfcip.rxBuf + msgIt) ) )
DiegoOstuni	0:75fc82583a41	1897	{
DiegoOstuni	0:75fc82583a41	1898	if( *(gNfcip.rxBuf + (++msgIt)) != gNfcip.cfg.did)
DiegoOstuni	0:75fc82583a41	1899	{
DiegoOstuni	0:75fc82583a41	1900	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1901	}
DiegoOstuni	0:75fc82583a41	1902	}
DiegoOstuni	0:75fc82583a41	1903	else if( gNfcip.cfg.did != RFAL_NFCDEP_DID_NO ) /* DID expected but not rcv */
DiegoOstuni	0:75fc82583a41	1904	{
DiegoOstuni	0:75fc82583a41	1905	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1906	}
DiegoOstuni	0:75fc82583a41	1907	}
DiegoOstuni	0:75fc82583a41	1908
DiegoOstuni	0:75fc82583a41	1909	/* Signal Request pending to be digested on normal Handling (DEP_REQ, DSL_REQ, RLS_REQ) */
DiegoOstuni	0:75fc82583a41	1910	gNfcip.isReqPending = true;
DiegoOstuni	0:75fc82583a41	1911	}
DiegoOstuni	0:75fc82583a41	1912
DiegoOstuni	0:75fc82583a41	1913	gNfcip.state = NFCIP_ST_TARG_DEP_RX;
DiegoOstuni	0:75fc82583a41	1914	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	1915	}
DiegoOstuni	0:75fc82583a41	1916
DiegoOstuni	0:75fc82583a41	1917
DiegoOstuni	0:75fc82583a41	1918	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1919	ReturnCode rfalNfcDepATR( rfalNfcDepAtrParam* param, rfalNfcDepAtrRes *atrRes,
DiegoOstuni	0:75fc82583a41	1920	uint8_t* atrResLen, SPI* mspiChannel, ST25R3911* mST25,
DiegoOstuni	0:75fc82583a41	1921	DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01,
DiegoOstuni	0:75fc82583a41	1922	DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04,
DiegoOstuni	0:75fc82583a41	1923	DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
DiegoOstuni	0:75fc82583a41	1924	{
DiegoOstuni	0:75fc82583a41	1925	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	1926	rfalNfcDepConfigs cfg;
DiegoOstuni	0:75fc82583a41	1927	uint16_t rxLen;
DiegoOstuni	0:75fc82583a41	1928	uint8_t msgIt;
DiegoOstuni	0:75fc82583a41	1929
DiegoOstuni	0:75fc82583a41	1930
DiegoOstuni	0:75fc82583a41	1931
DiegoOstuni	0:75fc82583a41	1932	if( (param == NULL) \|\| (atrRes == NULL) \|\| (atrResLen == NULL) )
DiegoOstuni	0:75fc82583a41	1933	{
DiegoOstuni	0:75fc82583a41	1934	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	1935	}
DiegoOstuni	0:75fc82583a41	1936
DiegoOstuni	0:75fc82583a41	1937	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1938	/* Configure NFC-DEP layer */
DiegoOstuni	0:75fc82583a41	1939	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1940
DiegoOstuni	0:75fc82583a41	1941	cfg.did = param->DID;
DiegoOstuni	0:75fc82583a41	1942	cfg.nad = param->NAD;
DiegoOstuni	0:75fc82583a41	1943	cfg.fwt = RFAL_NFCDEP_MAX_FWT;
DiegoOstuni	0:75fc82583a41	1944	cfg.dFwt = RFAL_NFCDEP_MAX_FWT;
DiegoOstuni	0:75fc82583a41	1945	cfg.br = param->BR;
DiegoOstuni	0:75fc82583a41	1946	cfg.bs = param->BS;
DiegoOstuni	0:75fc82583a41	1947	cfg.lr = param->LR;
DiegoOstuni	0:75fc82583a41	1948	cfg.to = RFAL_NFCDEP_WT_TRG_MAX; /* Not used in Initiator mode */
DiegoOstuni	0:75fc82583a41	1949
DiegoOstuni	0:75fc82583a41	1950
DiegoOstuni	0:75fc82583a41	1951	cfg.gbLen = param->GBLen;
DiegoOstuni	0:75fc82583a41	1952	ST_MEMCPY( cfg.gb, param->GB, cfg.gbLen );
DiegoOstuni	0:75fc82583a41	1953
DiegoOstuni	0:75fc82583a41	1954	cfg.nfcidLen = param->nfcidLen;
DiegoOstuni	0:75fc82583a41	1955	ST_MEMCPY( cfg.nfcid, param->nfcid, param->nfcidLen );
DiegoOstuni	0:75fc82583a41	1956
DiegoOstuni	0:75fc82583a41	1957	cfg.role = RFAL_NFCDEP_ROLE_INITIATOR;
DiegoOstuni	0:75fc82583a41	1958	cfg.oper = param->operParam;
DiegoOstuni	0:75fc82583a41	1959	cfg.commMode = param->commMode;
DiegoOstuni	0:75fc82583a41	1960
DiegoOstuni	0:75fc82583a41	1961	rfalNfcDepInitialize();
DiegoOstuni	0:75fc82583a41	1962	nfcipConfig( cfg );
DiegoOstuni	0:75fc82583a41	1963
DiegoOstuni	0:75fc82583a41	1964	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1965	/* Send ATR_REQ */
DiegoOstuni	0:75fc82583a41	1966	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1967
DiegoOstuni	0:75fc82583a41	1968	EXIT_ON_ERR( ret, nfcipTxRx(NFCIP_CMD_ATR_REQ, txBuf, NFCIP_RWT_ACTIVATION, NULL,
DiegoOstuni	0:75fc82583a41	1969	0, rxBuf, NFCIP_ATRRES_BUF_LEN, &rxLen, mspiChannel, mST25, gpio_cs,
DiegoOstuni	0:75fc82583a41	1970	IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	1971
DiegoOstuni	0:75fc82583a41	1972
DiegoOstuni	0:75fc82583a41	1973	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1974	/* ATR sent, check response */
DiegoOstuni	0:75fc82583a41	1975	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	1976	msgIt = 0;
DiegoOstuni	0:75fc82583a41	1977	rxLen = (uint16_t)((rxBuf + msgIt++) - RFAL_NFCDEP_LEN_LEN); / use LEN byte */
DiegoOstuni	0:75fc82583a41	1978
DiegoOstuni	0:75fc82583a41	1979	if( (rxLen < RFAL_NFCDEP_ATRRES_MIN_LEN) \|\| (rxLen > RFAL_NFCDEP_ATRRES_MAX_LEN) ) /* Checking length: ATR_RES */
DiegoOstuni	0:75fc82583a41	1980	{
DiegoOstuni	0:75fc82583a41	1981	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1982	}
DiegoOstuni	0:75fc82583a41	1983
DiegoOstuni	0:75fc82583a41	1984	if( (rxBuf + msgIt++) != NFCIP_RES ) / Checking if is a response*/
DiegoOstuni	0:75fc82583a41	1985	{
DiegoOstuni	0:75fc82583a41	1986	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1987	}
DiegoOstuni	0:75fc82583a41	1988
DiegoOstuni	0:75fc82583a41	1989	if( (rxBuf + msgIt++) != NFCIP_CMD_ATR_RES ) / Checking if is a ATR RES */
DiegoOstuni	0:75fc82583a41	1990	{
DiegoOstuni	0:75fc82583a41	1991	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	1992	}
DiegoOstuni	0:75fc82583a41	1993
DiegoOstuni	0:75fc82583a41	1994	ST_MEMCPY(atrRes, (rxBuf + RFAL_NFCDEP_LEN_LEN), rxLen);
DiegoOstuni	0:75fc82583a41	1995	*atrResLen = (uint8_t)rxLen;
DiegoOstuni	0:75fc82583a41	1996
DiegoOstuni	0:75fc82583a41	1997	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	1998	}
DiegoOstuni	0:75fc82583a41	1999
DiegoOstuni	0:75fc82583a41	2000
DiegoOstuni	0:75fc82583a41	2001	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2002	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 )
DiegoOstuni	0:75fc82583a41	2003	{
DiegoOstuni	0:75fc82583a41	2004	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	2005	uint16_t rxLen;
DiegoOstuni	0:75fc82583a41	2006	uint8_t msgIt;
DiegoOstuni	0:75fc82583a41	2007
DiegoOstuni	0:75fc82583a41	2008
DiegoOstuni	0:75fc82583a41	2009	msgIt = 0;
DiegoOstuni	0:75fc82583a41	2010
DiegoOstuni	0:75fc82583a41	2011
DiegoOstuni	0:75fc82583a41	2012	//changed here in plsbufPSL
DiegoOstuni	0:75fc82583a41	2013	pslBufPSL[msgIt++] = BRS;
DiegoOstuni	0:75fc82583a41	2014	pslBufPSL[msgIt++] = FSL;
DiegoOstuni	0:75fc82583a41	2015
DiegoOstuni	0:75fc82583a41	2016	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2017	/* Send PSL REQ and wait for response */
DiegoOstuni	0:75fc82583a41	2018	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2019	EXIT_ON_ERR( ret, nfcipTxRx( NFCIP_CMD_PSL_REQ, txBufPSL, NFCIP_RWT_ACTIVATION, pslBufPSL, msgIt, rxBufPSL, NFCIP_PSLRES_LEN, &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2020
DiegoOstuni	0:75fc82583a41	2021
DiegoOstuni	0:75fc82583a41	2022	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2023	/* PSL sent, check response */
DiegoOstuni	0:75fc82583a41	2024	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2025	msgIt = 0;
DiegoOstuni	0:75fc82583a41	2026	rxLen = (uint16_t)((rxBuf + msgIt++) ); / use LEN byte */
DiegoOstuni	0:75fc82583a41	2027
DiegoOstuni	0:75fc82583a41	2028	if( rxLen < NFCIP_PSLRES_LEN ) /* Checking length: LEN + RLS_RES */
DiegoOstuni	0:75fc82583a41	2029	{
DiegoOstuni	0:75fc82583a41	2030	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2031	}
DiegoOstuni	0:75fc82583a41	2032
DiegoOstuni	0:75fc82583a41	2033	if( (rxBuf + msgIt++) != NFCIP_RES ) / Checking if is a response */
DiegoOstuni	0:75fc82583a41	2034	{
DiegoOstuni	0:75fc82583a41	2035	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2036	}
DiegoOstuni	0:75fc82583a41	2037
DiegoOstuni	0:75fc82583a41	2038	if( (rxBuf + msgIt++) != NFCIP_CMD_PSL_RES ) / Checking if is a PSL RES */
DiegoOstuni	0:75fc82583a41	2039	{
DiegoOstuni	0:75fc82583a41	2040	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2041	}
DiegoOstuni	0:75fc82583a41	2042
DiegoOstuni	0:75fc82583a41	2043	if( (rxBuf + msgIt++) != gNfcip.cfg.did ) / Checking DID */
DiegoOstuni	0:75fc82583a41	2044	{
DiegoOstuni	0:75fc82583a41	2045	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2046	}
DiegoOstuni	0:75fc82583a41	2047
DiegoOstuni	0:75fc82583a41	2048	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	2049	}
DiegoOstuni	0:75fc82583a41	2050
DiegoOstuni	0:75fc82583a41	2051
DiegoOstuni	0:75fc82583a41	2052	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2053	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 )
DiegoOstuni	0:75fc82583a41	2054	{
DiegoOstuni	0:75fc82583a41	2055	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	2056
DiegoOstuni	0:75fc82583a41	2057	uint8_t rxMsgIt;
DiegoOstuni	0:75fc82583a41	2058	uint16_t rxLen = 0;
DiegoOstuni	0:75fc82583a41	2059
DiegoOstuni	0:75fc82583a41	2060	if( gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET )
DiegoOstuni	0:75fc82583a41	2061	{
DiegoOstuni	0:75fc82583a41	2062	return ERR_NONE; /* Target has no deselect procedure */
DiegoOstuni	0:75fc82583a41	2063	}
DiegoOstuni	0:75fc82583a41	2064
DiegoOstuni	0:75fc82583a41	2065	/* Repeating a DSL REQ is optional, not doing it */
DiegoOstuni	0:75fc82583a41	2066	EXIT_ON_ERR( ret, nfcipTxRx( NFCIP_CMD_DSL_REQ, txBufDSL, NFCIP_RWT_ACTIVATION, 0, 0, rxBufDSL, RFAL_NFCDEP_ATRRES_MAX_LEN, &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2067
DiegoOstuni	0:75fc82583a41	2068	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2069	rxMsgIt = 0;
DiegoOstuni	0:75fc82583a41	2070
DiegoOstuni	0:75fc82583a41	2071	if( (rxBuf + rxMsgIt++) < NFCIP_DSLRES_MIN ) / Checking length: LEN + DSL_RES */
DiegoOstuni	0:75fc82583a41	2072	{
DiegoOstuni	0:75fc82583a41	2073	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2074	}
DiegoOstuni	0:75fc82583a41	2075
DiegoOstuni	0:75fc82583a41	2076	if( (rxBuf + rxMsgIt++) != NFCIP_RES ) / Checking if is a response */
DiegoOstuni	0:75fc82583a41	2077	{
DiegoOstuni	0:75fc82583a41	2078	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2079	}
DiegoOstuni	0:75fc82583a41	2080
DiegoOstuni	0:75fc82583a41	2081	if( (rxBuf + rxMsgIt++) != NFCIP_CMD_DSL_RES ) / Checking if is DSL RES */
DiegoOstuni	0:75fc82583a41	2082	{
DiegoOstuni	0:75fc82583a41	2083	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2084	}
DiegoOstuni	0:75fc82583a41	2085
DiegoOstuni	0:75fc82583a41	2086	if( (gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && (*(rxBuf + rxMsgIt++) != gNfcip.cfg.did ) )
DiegoOstuni	0:75fc82583a41	2087	{
DiegoOstuni	0:75fc82583a41	2088	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2089	}
DiegoOstuni	0:75fc82583a41	2090
DiegoOstuni	0:75fc82583a41	2091	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	2092	}
DiegoOstuni	0:75fc82583a41	2093
DiegoOstuni	0:75fc82583a41	2094
DiegoOstuni	0:75fc82583a41	2095	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2096	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 )
DiegoOstuni	0:75fc82583a41	2097	{
DiegoOstuni	0:75fc82583a41	2098	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	2099
DiegoOstuni	0:75fc82583a41	2100	uint8_t rxMsgIt;
DiegoOstuni	0:75fc82583a41	2101	uint16_t rxLen = 0;
DiegoOstuni	0:75fc82583a41	2102
DiegoOstuni	0:75fc82583a41	2103	if( gNfcip.cfg.role == RFAL_NFCDEP_ROLE_TARGET )
DiegoOstuni	0:75fc82583a41	2104	return ERR_NONE; /* Target has no release procedure */
DiegoOstuni	0:75fc82583a41	2105
DiegoOstuni	0:75fc82583a41	2106	/* Repeating a RLS REQ is optional, not doing it */
DiegoOstuni	0:75fc82583a41	2107	EXIT_ON_ERR( ret, nfcipTxRx( NFCIP_CMD_RLS_REQ, txBufRLS, NFCIP_RWT_ACTIVATION, 0, 0, rxBufRLS, RFAL_NFCDEP_ATRRES_MAX_LEN, &rxLen, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2108
DiegoOstuni	0:75fc82583a41	2109	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2110	rxMsgIt = 0;
DiegoOstuni	0:75fc82583a41	2111
DiegoOstuni	0:75fc82583a41	2112	if( (rxBuf + rxMsgIt++) < NFCIP_RLSRES_MIN ) / Checking length: LEN + RLS_RES */
DiegoOstuni	0:75fc82583a41	2113	{
DiegoOstuni	0:75fc82583a41	2114	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2115	}
DiegoOstuni	0:75fc82583a41	2116
DiegoOstuni	0:75fc82583a41	2117	if( (rxBuf + rxMsgIt++) != NFCIP_RES ) / Checking if is a response */
DiegoOstuni	0:75fc82583a41	2118	{
DiegoOstuni	0:75fc82583a41	2119	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2120	}
DiegoOstuni	0:75fc82583a41	2121
DiegoOstuni	0:75fc82583a41	2122	if( (rxBuf + rxMsgIt++) != NFCIP_CMD_RLS_RES ) / Checking if is RLS RES */
DiegoOstuni	0:75fc82583a41	2123	{
DiegoOstuni	0:75fc82583a41	2124	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2125	}
DiegoOstuni	0:75fc82583a41	2126
DiegoOstuni	0:75fc82583a41	2127	if( (gNfcip.cfg.did != RFAL_NFCDEP_DID_NO) && (*(rxBuf + rxMsgIt++) != gNfcip.cfg.did ) )
DiegoOstuni	0:75fc82583a41	2128	{
DiegoOstuni	0:75fc82583a41	2129	return ERR_PROTO;
DiegoOstuni	0:75fc82583a41	2130	}
DiegoOstuni	0:75fc82583a41	2131
DiegoOstuni	0:75fc82583a41	2132	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	2133	}
DiegoOstuni	0:75fc82583a41	2134
DiegoOstuni	0:75fc82583a41	2135
DiegoOstuni	0:75fc82583a41	2136	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2137	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 )
DiegoOstuni	0:75fc82583a41	2138	{
DiegoOstuni	0:75fc82583a41	2139	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	2140	uint8_t maxRetyrs;
DiegoOstuni	0:75fc82583a41	2141	uint8_t PSL_BRS;
DiegoOstuni	0:75fc82583a41	2142	uint8_t PSL_FSL;
DiegoOstuni	0:75fc82583a41	2143	bool sendPSL;
DiegoOstuni	0:75fc82583a41	2144
DiegoOstuni	0:75fc82583a41	2145	if( (param == NULL) \|\| (nfcDepDev == NULL) )
DiegoOstuni	0:75fc82583a41	2146	{
DiegoOstuni	0:75fc82583a41	2147	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	2148	}
DiegoOstuni	0:75fc82583a41	2149
DiegoOstuni	0:75fc82583a41	2150	param->NAD = RFAL_NFCDEP_NAD_NO; /* Digital 1.1 16.6.2.9 Initiator SHALL NOT use NAD */
DiegoOstuni	0:75fc82583a41	2151	maxRetyrs = NFCIP_ATR_RETRY_MAX;
DiegoOstuni	0:75fc82583a41	2152
DiegoOstuni	0:75fc82583a41	2153	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2154	/* Send ATR REQ and wait for response */
DiegoOstuni	0:75fc82583a41	2155	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2156	do{ /* Upon transmission error ATR REQ should be retried */
DiegoOstuni	0:75fc82583a41	2157
DiegoOstuni	0:75fc82583a41	2158	ret = rfalNfcDepATR( param, &nfcDepDev->activation.Target.ATR_RES, &nfcDepDev->activation.Target.ATR_RESLen,
DiegoOstuni	0:75fc82583a41	2159	mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04,
DiegoOstuni	0:75fc82583a41	2160	fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	2161
DiegoOstuni	0:75fc82583a41	2162	if( nfcipIsTransmissionError(ret) )
DiegoOstuni	0:75fc82583a41	2163	{
DiegoOstuni	0:75fc82583a41	2164	continue;
DiegoOstuni	0:75fc82583a41	2165	}
DiegoOstuni	0:75fc82583a41	2166	break;
DiegoOstuni	0:75fc82583a41	2167	}
DiegoOstuni	0:75fc82583a41	2168	while( (maxRetyrs--) );
DiegoOstuni	0:75fc82583a41	2169
DiegoOstuni	0:75fc82583a41	2170	if( ERR_NO_MASK(ret) != ERR_NONE )
DiegoOstuni	0:75fc82583a41	2171	{
DiegoOstuni	0:75fc82583a41	2172	return ret;
DiegoOstuni	0:75fc82583a41	2173	}
DiegoOstuni	0:75fc82583a41	2174
DiegoOstuni	0:75fc82583a41	2175	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2176	/* Compute NFC-DEP device with ATR_RES */
DiegoOstuni	0:75fc82583a41	2177	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2178	nfcDepDev->info.GBLen = (nfcDepDev->activation.Target.ATR_RESLen - RFAL_NFCDEP_ATRRES_MIN_LEN);
DiegoOstuni	0:75fc82583a41	2179	nfcDepDev->info.DID = nfcDepDev->activation.Target.ATR_RES.DID;
DiegoOstuni	0:75fc82583a41	2180	nfcDepDev->info.NAD = RFAL_NFCDEP_NAD_NO; /* Digital 1.1 16.6.3.11 Initiator SHALL ignore b1 of PPt */
DiegoOstuni	0:75fc82583a41	2181	nfcDepDev->info.LR = rfalNfcDepPP2LR( nfcDepDev->activation.Target.ATR_RES.PPt );
DiegoOstuni	0:75fc82583a41	2182	nfcDepDev->info.FS = rfalNfcDepLR2FS( nfcDepDev->info.LR );
DiegoOstuni	0:75fc82583a41	2183	nfcDepDev->info.WT = (nfcDepDev->activation.Target.ATR_RES.TO & RFAL_NFCDEP_WT_MASK);
DiegoOstuni	0:75fc82583a41	2184	nfcDepDev->info.FWT = rfalNfcDepCalculateRWT( nfcDepDev->info.WT );
DiegoOstuni	0:75fc82583a41	2185	nfcDepDev->info.dFWT = rfalNfcDepCalculateRWT( RFAL_NFCDEP_WT_DELTA );
DiegoOstuni	0:75fc82583a41	2186
DiegoOstuni	0:75fc82583a41	2187	rfalGetBitRate( &nfcDepDev->info.DSI, &nfcDepDev->info.DRI );
DiegoOstuni	0:75fc82583a41	2188
DiegoOstuni	0:75fc82583a41	2189
DiegoOstuni	0:75fc82583a41	2190
DiegoOstuni	0:75fc82583a41	2191	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2192	/* Check if a PSL needs to be sent */
DiegoOstuni	0:75fc82583a41	2193	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2194	sendPSL = false;
DiegoOstuni	0:75fc82583a41	2195	PSL_BRS = rfalNfcDepDx2BRS( nfcDepDev->info.DSI ); /* Set current bit rate divisor on both directions */
DiegoOstuni	0:75fc82583a41	2196	PSL_FSL = nfcDepDev->info.LR; /* Set current Frame Size */
DiegoOstuni	0:75fc82583a41	2197
DiegoOstuni	0:75fc82583a41	2198
DiegoOstuni	0:75fc82583a41	2199	#if 0
DiegoOstuni	0:75fc82583a41	2200	/* Activity 1.0
DiegoOstuni	0:75fc82583a41	2201	* 9.4.6.3 NFC-F NFC-DEP Activation
DiegoOstuni	0:75fc82583a41	2202	* 9.4.4.15 NFC-A NFC-DEP Activation
DiegoOstuni	0:75fc82583a41	2203	*
DiegoOstuni	0:75fc82583a41	2204	* PSL_REQ shall only be sent if desired bit rate is different from current
DiegoOstuni	0:75fc82583a41	2205	* */
DiegoOstuni	0:75fc82583a41	2206
DiegoOstuni	0:75fc82583a41	2207	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2208	/* Check Frame Size */
DiegoOstuni	0:75fc82583a41	2209	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2210	if( gNfcip.cfg.lr < nfcDepDev->info.LR ) /* If our Length reduction is smaller */
DiegoOstuni	0:75fc82583a41	2211	{
DiegoOstuni	0:75fc82583a41	2212	sendPSL = true;
DiegoOstuni	0:75fc82583a41	2213
DiegoOstuni	0:75fc82583a41	2214	nfcDepDev->info.LR = MIN( nfcDepDev->info.LR, gNfcip.cfg.lr );
DiegoOstuni	0:75fc82583a41	2215
DiegoOstuni	0:75fc82583a41	2216	gNfcip.cfg.lr = nfcDepDev->info.LR /* Update nfcip LR to be used */
DiegoOstuni	0:75fc82583a41	2217	gNfcip.fsc = rfalNfcDepLR2FS( gNfcip.cfg.lr ); /* Update nfcip FSC to be used */
DiegoOstuni	0:75fc82583a41	2218
DiegoOstuni	0:75fc82583a41	2219	PSL_FSL = gNfcip.cfg.lr; /* Set LR to be sent */
DiegoOstuni	0:75fc82583a41	2220
DiegoOstuni	0:75fc82583a41	2221	nfcipLogI( " NFCIP(I) Frame Size differ, PSL new fsc: %d \r\n", gNfcip.fsc );
DiegoOstuni	0:75fc82583a41	2222	}
DiegoOstuni	0:75fc82583a41	2223	#endif
DiegoOstuni	0:75fc82583a41	2224
DiegoOstuni	0:75fc82583a41	2225
DiegoOstuni	0:75fc82583a41	2226	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2227	/* Check Baud rates */
DiegoOstuni	0:75fc82583a41	2228	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2229	if( ((nfcDepDev->info.DSI != desiredBR) && nfcipDxIsSupported( desiredBR, nfcDepDev->activation.Target.ATR_RES.BRt, nfcDepDev->activation.Target.ATR_RES.BSt )) /* if desired BR is different and supported */
DiegoOstuni	0:75fc82583a41	2230	/* \|\| (target->brt != RFAL_NFCDEP_Bx_NO_HIGH_BR) \|\| (target->bst != RFAL_NFCDEP_Bx_NO_HIGH_BR) / ) / if target supports higher BR, must send PSL? */
DiegoOstuni	0:75fc82583a41	2231	{
DiegoOstuni	0:75fc82583a41	2232	sendPSL = true;
DiegoOstuni	0:75fc82583a41	2233	PSL_BRS = rfalNfcDepDx2BRS( desiredBR );
DiegoOstuni	0:75fc82583a41	2234
DiegoOstuni	0:75fc82583a41	2235	nfcipLogI( " NFCIP(I) BR differ, PSL BR: 0x%02X \r\n", PSL_BRS );
DiegoOstuni	0:75fc82583a41	2236	}
DiegoOstuni	0:75fc82583a41	2237
DiegoOstuni	0:75fc82583a41	2238
DiegoOstuni	0:75fc82583a41	2239	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2240	if( sendPSL )
DiegoOstuni	0:75fc82583a41	2241	{
DiegoOstuni	0:75fc82583a41	2242	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2243	/* Send PSL REQ and wait for response */
DiegoOstuni	0:75fc82583a41	2244	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2245	EXIT_ON_ERR( ret, rfalNfcDepPSL(PSL_BRS, PSL_FSL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2246
DiegoOstuni	0:75fc82583a41	2247	/* Check if bit rate has been changed */
DiegoOstuni	0:75fc82583a41	2248	if( nfcDepDev->info.DSI != desiredBR )
DiegoOstuni	0:75fc82583a41	2249	{
DiegoOstuni	0:75fc82583a41	2250	/* Check if device was in Passive NFC-A and went to higher bit rates, use NFC-F */
DiegoOstuni	0:75fc82583a41	2251	if( (nfcDepDev->info.DSI == RFAL_BR_106) && (gNfcip.cfg.commMode == RFAL_NFCDEP_COMM_PASSIVE) )
DiegoOstuni	0:75fc82583a41	2252	{
DiegoOstuni	0:75fc82583a41	2253
DiegoOstuni	0:75fc82583a41	2254	#if RFAL_FEATURE_NFCF
DiegoOstuni	0:75fc82583a41	2255	/* If Passive initialize NFC-F module */
DiegoOstuni	0:75fc82583a41	2256	rfalNfcfPollerInitialize( desiredBR, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	2257	#else /* RFAL_FEATURE_NFCF */
DiegoOstuni	0:75fc82583a41	2258	return ERR_NOTSUPP;
DiegoOstuni	0:75fc82583a41	2259	#endif /* RFAL_FEATURE_NFCF */
DiegoOstuni	0:75fc82583a41	2260
DiegoOstuni	0:75fc82583a41	2261	}
DiegoOstuni	0:75fc82583a41	2262
DiegoOstuni	0:75fc82583a41	2263	nfcDepDev->info.DRI = desiredBR; /* DSI Bit Rate coding from Initiator to Target */
DiegoOstuni	0:75fc82583a41	2264	nfcDepDev->info.DSI = desiredBR; /* DRI Bit Rate coding from Target to Initiator */
DiegoOstuni	0:75fc82583a41	2265
DiegoOstuni	0:75fc82583a41	2266	rfalSetBitRate( nfcDepDev->info.DSI, nfcDepDev->info.DRI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	2267	}
DiegoOstuni	0:75fc82583a41	2268
DiegoOstuni	0:75fc82583a41	2269
DiegoOstuni	0:75fc82583a41	2270	return ERR_NONE; /* PSL has been sent */
DiegoOstuni	0:75fc82583a41	2271	}
DiegoOstuni	0:75fc82583a41	2272
DiegoOstuni	0:75fc82583a41	2273	return ERR_NONE; /* No PSL has been sent */
DiegoOstuni	0:75fc82583a41	2274	}
DiegoOstuni	0:75fc82583a41	2275
DiegoOstuni	0:75fc82583a41	2276
DiegoOstuni	0:75fc82583a41	2277	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2278	uint32_t rfalNfcDepCalculateRWT( uint8_t wt )
DiegoOstuni	0:75fc82583a41	2279	{
DiegoOstuni	0:75fc82583a41	2280	/* Digital 1.0 14.6.3.8 & Digital 1.1 16.6.3.9 */
DiegoOstuni	0:75fc82583a41	2281	/* Digital 1.1 16.6.3.9 treat all RFU values as WT=14 */
DiegoOstuni	0:75fc82583a41	2282	wt = MIN( RFAL_NFCDEP_WT_INI_MAX, wt );
DiegoOstuni	0:75fc82583a41	2283
DiegoOstuni	0:75fc82583a41	2284	return rfalNfcDepWT2RWT(wt);
DiegoOstuni	0:75fc82583a41	2285	}
DiegoOstuni	0:75fc82583a41	2286
DiegoOstuni	0:75fc82583a41	2287
DiegoOstuni	0:75fc82583a41	2288
DiegoOstuni	0:75fc82583a41	2289	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2290	static ReturnCode nfcipDataTx( uint8_t* txBuf, uint16_t txBufLen, uint32_t fwt, 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 )
DiegoOstuni	0:75fc82583a41	2291	{
DiegoOstuni	0:75fc82583a41	2292	return rfalTransceiveBlockingTx( txBuf, txBufLen, gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen, (RFAL_TXRX_FLAGS_DEFAULT \| RFAL_TXRX_FLAGS_NFCIP1_ON), ((fwt == NFCIP_NO_FWT) ? RFAL_FWT_NONE : rfalConv64fcTo1fc(fwt)), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	2293	}
DiegoOstuni	0:75fc82583a41	2294
DiegoOstuni	0:75fc82583a41	2295
DiegoOstuni	0:75fc82583a41	2296	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2297	static ReturnCode nfcipDataRx( void )
DiegoOstuni	0:75fc82583a41	2298	{
DiegoOstuni	0:75fc82583a41	2299	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	2300
DiegoOstuni	0:75fc82583a41	2301	ret = rfalGetTransceiveStatus();
DiegoOstuni	0:75fc82583a41	2302
DiegoOstuni	0:75fc82583a41	2303	if( ret != ERR_BUSY )
DiegoOstuni	0:75fc82583a41	2304	{
DiegoOstuni	0:75fc82583a41	2305	(gNfcip.rxRcvdLen) = rfalConvBitsToBytes( gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	2306
DiegoOstuni	0:75fc82583a41	2307	if( (ret == ERR_NONE) && (gNfcip.rxRcvdLen != NULL) && (gNfcip.rxBuf != NULL) )
DiegoOstuni	0:75fc82583a41	2308	{
DiegoOstuni	0:75fc82583a41	2309	/* Digital 1.1 16.4.1.3 - Length byte LEN SHALL have a value between 3 and 255 ->
DiegoOstuni	0:75fc82583a41	2310	* otherwise treat as Transmission Error *
DiegoOstuni	0:75fc82583a41	2311	* - Ensure that actual received and frame length do match,
DiegoOstuni	0:75fc82583a41	2312	* otherwise treat as Transmission error */
DiegoOstuni	0:75fc82583a41	2313
DiegoOstuni	0:75fc82583a41	2314	if( (gNfcip.rxRcvdLen != (uint16_t)gNfcip.rxBuf) \|\| (gNfcip.rxRcvdLen < RFAL_NFCDEP_LEN_MIN) \|\| (gNfcip.rxRcvdLen > RFAL_NFCDEP_LEN_MAX) )
DiegoOstuni	0:75fc82583a41	2315	{
DiegoOstuni	0:75fc82583a41	2316	return ERR_FRAMING;
DiegoOstuni	0:75fc82583a41	2317
DiegoOstuni	0:75fc82583a41	2318	}
DiegoOstuni	0:75fc82583a41	2319	}
DiegoOstuni	0:75fc82583a41	2320	}
DiegoOstuni	0:75fc82583a41	2321
DiegoOstuni	0:75fc82583a41	2322	return ret;
DiegoOstuni	0:75fc82583a41	2323	}
DiegoOstuni	0:75fc82583a41	2324
DiegoOstuni	0:75fc82583a41	2325
DiegoOstuni	0:75fc82583a41	2326	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2327	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 )
DiegoOstuni	0:75fc82583a41	2328	{
DiegoOstuni	0:75fc82583a41	2329	ReturnCode ret;
DiegoOstuni	0:75fc82583a41	2330	rfalNfcDepConfigs cfg;
DiegoOstuni	0:75fc82583a41	2331
DiegoOstuni	0:75fc82583a41	2332
DiegoOstuni	0:75fc82583a41	2333	if( (param == NULL) \|\| (atrReq == NULL) \|\| (rxParam.rxLen == NULL) )
DiegoOstuni	0:75fc82583a41	2334	{
DiegoOstuni	0:75fc82583a41	2335	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	2336	}
DiegoOstuni	0:75fc82583a41	2337
DiegoOstuni	0:75fc82583a41	2338
DiegoOstuni	0:75fc82583a41	2339	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2340	/* Check whether is a valid ATR_REQ Compute NFC-DEP device */
DiegoOstuni	0:75fc82583a41	2341	if( !rfalNfcDepIsAtrReq( atrReq, atrReqLength, NULL ) )
DiegoOstuni	0:75fc82583a41	2342	{
DiegoOstuni	0:75fc82583a41	2343	return ERR_PARAM;
DiegoOstuni	0:75fc82583a41	2344	}
DiegoOstuni	0:75fc82583a41	2345
DiegoOstuni	0:75fc82583a41	2346	rxParam.nfcDepDev->activation.Initiator.ATR_REQLen = atrReqLength; /* nfcipIsAtrReq() is already checking Min and Max buffer lengths */
DiegoOstuni	0:75fc82583a41	2347	ST_MEMCPY( (uint8_t*)&rxParam.nfcDepDev->activation.Initiator.ATR_REQ, atrReq, atrReqLength );
DiegoOstuni	0:75fc82583a41	2348
DiegoOstuni	0:75fc82583a41	2349	rxParam.nfcDepDev->info.GBLen = (atrReqLength - RFAL_NFCDEP_ATRREQ_MIN_LEN);
DiegoOstuni	0:75fc82583a41	2350	rxParam.nfcDepDev->info.DID = rxParam.nfcDepDev->activation.Initiator.ATR_REQ.DID;
DiegoOstuni	0:75fc82583a41	2351	rxParam.nfcDepDev->info.NAD = RFAL_NFCDEP_NAD_NO; /* Digital 1.1 16.6.2.9 Initiator SHALL NOT use NAD */
DiegoOstuni	0:75fc82583a41	2352	rxParam.nfcDepDev->info.LR = rfalNfcDepPP2LR( rxParam.nfcDepDev->activation.Initiator.ATR_REQ.PPi );
DiegoOstuni	0:75fc82583a41	2353	rxParam.nfcDepDev->info.FS = rfalNfcDepLR2FS( rxParam.nfcDepDev->info.LR );
DiegoOstuni	0:75fc82583a41	2354	rxParam.nfcDepDev->info.WT = 0;
DiegoOstuni	0:75fc82583a41	2355	rxParam.nfcDepDev->info.FWT = NFCIP_NO_FWT;
DiegoOstuni	0:75fc82583a41	2356	rxParam.nfcDepDev->info.dFWT = NFCIP_NO_FWT;
DiegoOstuni	0:75fc82583a41	2357
DiegoOstuni	0:75fc82583a41	2358	rfalGetBitRate( &rxParam.nfcDepDev->info.DSI, &rxParam.nfcDepDev->info.DRI );
DiegoOstuni	0:75fc82583a41	2359
DiegoOstuni	0:75fc82583a41	2360
DiegoOstuni	0:75fc82583a41	2361	/* Store Device Info location, updated upon a PSL */
DiegoOstuni	0:75fc82583a41	2362	gNfcip.nfcDepDev = rxParam.nfcDepDev;
DiegoOstuni	0:75fc82583a41	2363
DiegoOstuni	0:75fc82583a41	2364
DiegoOstuni	0:75fc82583a41	2365	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2366	cfg.did = rxParam.nfcDepDev->activation.Initiator.ATR_REQ.DID;
DiegoOstuni	0:75fc82583a41	2367	cfg.nad = RFAL_NFCDEP_NAD_NO;
DiegoOstuni	0:75fc82583a41	2368
DiegoOstuni	0:75fc82583a41	2369	cfg.fwt = RFAL_NFCDEP_MAX_FWT;
DiegoOstuni	0:75fc82583a41	2370	cfg.dFwt = RFAL_NFCDEP_MAX_FWT;
DiegoOstuni	0:75fc82583a41	2371
DiegoOstuni	0:75fc82583a41	2372	cfg.br = param->brt;
DiegoOstuni	0:75fc82583a41	2373	cfg.bs = param->bst;
DiegoOstuni	0:75fc82583a41	2374
DiegoOstuni	0:75fc82583a41	2375	cfg.lr = rfalNfcDepPP2LR(param->ppt);
DiegoOstuni	0:75fc82583a41	2376
DiegoOstuni	0:75fc82583a41	2377	cfg.gbLen = param->GBtLen;
DiegoOstuni	0:75fc82583a41	2378	ST_MEMCPY(cfg.gb, param->GBt, cfg.gbLen);
DiegoOstuni	0:75fc82583a41	2379
DiegoOstuni	0:75fc82583a41	2380	cfg.nfcidLen = RFAL_NFCDEP_NFCID3_LEN;
DiegoOstuni	0:75fc82583a41	2381	ST_MEMCPY(cfg.nfcid, param->nfcid3, RFAL_NFCDEP_NFCID3_LEN);
DiegoOstuni	0:75fc82583a41	2382
DiegoOstuni	0:75fc82583a41	2383	cfg.to = param->to;
DiegoOstuni	0:75fc82583a41	2384
DiegoOstuni	0:75fc82583a41	2385	cfg.role = RFAL_NFCDEP_ROLE_TARGET;
DiegoOstuni	0:75fc82583a41	2386	cfg.oper = param->operParam;
DiegoOstuni	0:75fc82583a41	2387	cfg.commMode = param->commMode;
DiegoOstuni	0:75fc82583a41	2388
DiegoOstuni	0:75fc82583a41	2389	rfalNfcDepInitialize();
DiegoOstuni	0:75fc82583a41	2390	nfcipConfig( cfg );
DiegoOstuni	0:75fc82583a41	2391
DiegoOstuni	0:75fc82583a41	2392
DiegoOstuni	0:75fc82583a41	2393	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2394	/* Reply with ATR RES to Initiator */
DiegoOstuni	0:75fc82583a41	2395	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2396	gNfcip.rxBuf = (uint8_t*)rxParam.rxBuf;
DiegoOstuni	0:75fc82583a41	2397	gNfcip.rxBufLen = sizeof(rfalNfcDepBufFormat);
DiegoOstuni	0:75fc82583a41	2398	gNfcip.rxRcvdLen = rxParam.rxLen;
DiegoOstuni	0:75fc82583a41	2399	gNfcip.rxBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN;
DiegoOstuni	0:75fc82583a41	2400	gNfcip.isChaining = rxParam.isRxChaining;
DiegoOstuni	0:75fc82583a41	2401	gNfcip.txBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN;
DiegoOstuni	0:75fc82583a41	2402
DiegoOstuni	0:75fc82583a41	2403	EXIT_ON_ERR( ret, nfcipTx( NFCIP_CMD_ATR_RES, (uint8_t*) gNfcip.rxBuf, NULL, 0, 0, NFCIP_NO_FWT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2404
DiegoOstuni	0:75fc82583a41	2405	gNfcip.state = NFCIP_ST_TARG_WAIT_ACTV;
DiegoOstuni	0:75fc82583a41	2406
DiegoOstuni	0:75fc82583a41	2407	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	2408	}
DiegoOstuni	0:75fc82583a41	2409
DiegoOstuni	0:75fc82583a41	2410
DiegoOstuni	0:75fc82583a41	2411	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2412	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 )
DiegoOstuni	0:75fc82583a41	2413	{
DiegoOstuni	0:75fc82583a41	2414	ReturnCode err;
DiegoOstuni	0:75fc82583a41	2415	uint8_t BRS;
DiegoOstuni	0:75fc82583a41	2416
DiegoOstuni	0:75fc82583a41	2417	BRS = RFAL_NFCDEP_BRS_MAINTAIN;
DiegoOstuni	0:75fc82583a41	2418
DiegoOstuni	0:75fc82583a41	2419	err = nfcipTargetHandleActivation( gNfcip.nfcDepDev, &BRS, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	2420
DiegoOstuni	0:75fc82583a41	2421	switch (err)
DiegoOstuni	0:75fc82583a41	2422	{
DiegoOstuni	0:75fc82583a41	2423	case ERR_NONE:
DiegoOstuni	0:75fc82583a41	2424
DiegoOstuni	0:75fc82583a41	2425	if( BRS != RFAL_NFCDEP_BRS_MAINTAIN )
DiegoOstuni	0:75fc82583a41	2426	{
DiegoOstuni	0:75fc82583a41	2427	/* DSI codes the bit rate from Initiator to Target */
DiegoOstuni	0:75fc82583a41	2428	/* DRI codes the bit rate from Target to Initiator */
DiegoOstuni	0:75fc82583a41	2429
DiegoOstuni	0:75fc82583a41	2430	if( gNfcip.cfg.commMode == RFAL_NFCDEP_COMM_ACTIVE )
DiegoOstuni	0:75fc82583a41	2431	{
DiegoOstuni	0:75fc82583a41	2432	EXIT_ON_ERR( err, rfalSetMode( RFAL_MODE_LISTEN_ACTIVE_P2P, gNfcip.nfcDepDev->info.DRI, gNfcip.nfcDepDev->info.DSI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2433	}
DiegoOstuni	0:75fc82583a41	2434	else
DiegoOstuni	0:75fc82583a41	2435	{
DiegoOstuni	0:75fc82583a41	2436	EXIT_ON_ERR( err, rfalSetMode( ((RFAL_BR_106 == gNfcip.nfcDepDev->info.DRI) ? RFAL_MODE_LISTEN_NFCA : RFAL_MODE_LISTEN_NFCF), gNfcip.nfcDepDev->info.DRI, gNfcip.nfcDepDev->info.DSI, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni	0:75fc82583a41	2437	}
DiegoOstuni	0:75fc82583a41	2438	}
DiegoOstuni	0:75fc82583a41	2439	break;
DiegoOstuni	0:75fc82583a41	2440
DiegoOstuni	0:75fc82583a41	2441	case ERR_BUSY:
DiegoOstuni	0:75fc82583a41	2442	/* do nothing */
DiegoOstuni	0:75fc82583a41	2443	break;
DiegoOstuni	0:75fc82583a41	2444
DiegoOstuni	0:75fc82583a41	2445	case ERR_PROTO:
DiegoOstuni	0:75fc82583a41	2446	default:
DiegoOstuni	0:75fc82583a41	2447	/* re-enable receiving of data */
DiegoOstuni	0:75fc82583a41	2448	nfcDepReEnableRx( gNfcip.rxBuf, gNfcip.rxBufLen, gNfcip.rxRcvdLen );
DiegoOstuni	0:75fc82583a41	2449	break;
DiegoOstuni	0:75fc82583a41	2450	}
DiegoOstuni	0:75fc82583a41	2451
DiegoOstuni	0:75fc82583a41	2452	return err;
DiegoOstuni	0:75fc82583a41	2453	}
DiegoOstuni	0:75fc82583a41	2454
DiegoOstuni	0:75fc82583a41	2455
DiegoOstuni	0:75fc82583a41	2456	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2457	ReturnCode rfalNfcDepStartTransceive( rfalNfcDepTxRxParam *param )
DiegoOstuni	0:75fc82583a41	2458	{
DiegoOstuni	0:75fc82583a41	2459	rfalNfcDepDEPParams nfcDepParams;
DiegoOstuni	0:75fc82583a41	2460
DiegoOstuni	0:75fc82583a41	2461	nfcDepParams.txBuf = (uint8_t *)param->txBuf;
DiegoOstuni	0:75fc82583a41	2462	nfcDepParams.txBufLen = param->txBufLen;
DiegoOstuni	0:75fc82583a41	2463	nfcDepParams.txChaining = param->isTxChaining;
DiegoOstuni	0:75fc82583a41	2464	nfcDepParams.txBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN; /* position in txBuf where actual outgoing data is located */
DiegoOstuni	0:75fc82583a41	2465	nfcDepParams.did = RFAL_NFCDEP_DID_KEEP;
DiegoOstuni	0:75fc82583a41	2466	nfcDepParams.rxBufPaylPos = RFAL_NFCDEP_DEPREQ_HEADER_LEN;
DiegoOstuni	0:75fc82583a41	2467	nfcDepParams.rxBuf = (uint8_t *)param->rxBuf;
DiegoOstuni	0:75fc82583a41	2468	nfcDepParams.rxBufLen = sizeof(rfalNfcDepBufFormat);
DiegoOstuni	0:75fc82583a41	2469	nfcDepParams.fsc = param->FSx;
DiegoOstuni	0:75fc82583a41	2470	nfcDepParams.fwt = param->FWT;
DiegoOstuni	0:75fc82583a41	2471	nfcDepParams.dFwt = param->dFWT;
DiegoOstuni	0:75fc82583a41	2472
DiegoOstuni	0:75fc82583a41	2473	gNfcip.rxRcvdLen = param->rxLen;
DiegoOstuni	0:75fc82583a41	2474	gNfcip.isChaining = param->isRxChaining;
DiegoOstuni	0:75fc82583a41	2475
DiegoOstuni	0:75fc82583a41	2476	nfcipSetDEPParams(&nfcDepParams);
DiegoOstuni	0:75fc82583a41	2477
DiegoOstuni	0:75fc82583a41	2478	return ERR_NONE;
DiegoOstuni	0:75fc82583a41	2479	}
DiegoOstuni	0:75fc82583a41	2480
DiegoOstuni	0:75fc82583a41	2481
DiegoOstuni	0:75fc82583a41	2482	/*******************************************************************************/
DiegoOstuni	0:75fc82583a41	2483	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 )
DiegoOstuni	0:75fc82583a41	2484	{
DiegoOstuni	0:75fc82583a41	2485	return nfcipRun( gNfcip.rxRcvdLen, gNfcip.isChaining, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni	0:75fc82583a41	2486	}
DiegoOstuni	0:75fc82583a41	2487
DiegoOstuni	0:75fc82583a41	2488	#endif /* RFAL_FEATURE_NFC_DEP */

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Type:	Library
Created:	14 Nov 2019
Imports:	0
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

The code in this repository is Apache licensed.

rfal_nfcDep.cpp@0:75fc82583a41, 2019-11-14 (annotated)

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