Diego Ostuni / RFAL

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rfal_nfcf.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>&copy; 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 * PROJECT: ST25R391x firmware
DiegoOstuni 0:75fc82583a41 25 * $Revision: $
DiegoOstuni 0:75fc82583a41 26 * LANGUAGE: ISO C99
DiegoOstuni 0:75fc82583a41 27 */
DiegoOstuni 0:75fc82583a41 28
DiegoOstuni 0:75fc82583a41 29 /*! \file rfal_nfcf.c
DiegoOstuni 0:75fc82583a41 30 *
DiegoOstuni 0:75fc82583a41 31 * \author Gustavo Patricio
DiegoOstuni 0:75fc82583a41 32 *
DiegoOstuni 0:75fc82583a41 33 * \brief Implementation of NFC-F Poller (FeliCa PCD) device
DiegoOstuni 0:75fc82583a41 34 *
DiegoOstuni 0:75fc82583a41 35 * The definitions and helpers methods provided by this module are
DiegoOstuni 0:75fc82583a41 36 * aligned with NFC-F (FeliCa - JIS X6319-4)
DiegoOstuni 0:75fc82583a41 37 *
DiegoOstuni 0:75fc82583a41 38 */
DiegoOstuni 0:75fc82583a41 39
DiegoOstuni 0:75fc82583a41 40 /*
DiegoOstuni 0:75fc82583a41 41 ******************************************************************************
DiegoOstuni 0:75fc82583a41 42 * INCLUDES
DiegoOstuni 0:75fc82583a41 43 ******************************************************************************
DiegoOstuni 0:75fc82583a41 44 */
DiegoOstuni 0:75fc82583a41 45 #include <platform1.h>
DiegoOstuni 0:75fc82583a41 46 #include "rfal_nfcf.h"
DiegoOstuni 0:75fc82583a41 47 #include "utils.h"
DiegoOstuni 0:75fc82583a41 48
DiegoOstuni 0:75fc82583a41 49 /*
DiegoOstuni 0:75fc82583a41 50 ******************************************************************************
DiegoOstuni 0:75fc82583a41 51 * ENABLE SWITCH
DiegoOstuni 0:75fc82583a41 52 ******************************************************************************
DiegoOstuni 0:75fc82583a41 53 */
DiegoOstuni 0:75fc82583a41 54
DiegoOstuni 0:75fc82583a41 55 #ifndef RFAL_FEATURE_NFCF
DiegoOstuni 0:75fc82583a41 56 #error " RFAL: Module configuration missing. Please enable/disable NFC-F module by setting: RFAL_FEATURE_NFCF "
DiegoOstuni 0:75fc82583a41 57 #endif
DiegoOstuni 0:75fc82583a41 58
DiegoOstuni 0:75fc82583a41 59 #if RFAL_FEATURE_NFCF
DiegoOstuni 0:75fc82583a41 60
DiegoOstuni 0:75fc82583a41 61 /*
DiegoOstuni 0:75fc82583a41 62 ******************************************************************************
DiegoOstuni 0:75fc82583a41 63 * GLOBAL DEFINES
DiegoOstuni 0:75fc82583a41 64 ******************************************************************************
DiegoOstuni 0:75fc82583a41 65 */
DiegoOstuni 0:75fc82583a41 66 #define RFAL_NFCF_SENSF_REQ_LEN_MIN 5 /*!< SENSF_RES minimum length */
DiegoOstuni 0:75fc82583a41 67
DiegoOstuni 0:75fc82583a41 68 #define RFAL_NFCF_READ_WO_ENCRYPTION_MIN_LEN 15 /*!< Minimum length for a Check Command - T3T 5.4.1 */
DiegoOstuni 0:75fc82583a41 69 #define RFAL_NFCF_WRITE_WO_ENCRYPTION_MIN_LEN 31 /*!< Minimum length for an Update Command - T3T 5.5.1 */
DiegoOstuni 0:75fc82583a41 70
DiegoOstuni 0:75fc82583a41 71
DiegoOstuni 0:75fc82583a41 72 /*
DiegoOstuni 0:75fc82583a41 73 ******************************************************************************
DiegoOstuni 0:75fc82583a41 74 * GLOBAL MACROS
DiegoOstuni 0:75fc82583a41 75 ******************************************************************************
DiegoOstuni 0:75fc82583a41 76 */
DiegoOstuni 0:75fc82583a41 77 #define rfalNfcfSlots2CardNum( s ) (s+1) /*!< Converts Time Slot Number (TSN) into num of slots */
DiegoOstuni 0:75fc82583a41 78
DiegoOstuni 0:75fc82583a41 79 /*
DiegoOstuni 0:75fc82583a41 80 ******************************************************************************
DiegoOstuni 0:75fc82583a41 81 * GLOBAL TYPES
DiegoOstuni 0:75fc82583a41 82 ******************************************************************************
DiegoOstuni 0:75fc82583a41 83 */
DiegoOstuni 0:75fc82583a41 84
DiegoOstuni 0:75fc82583a41 85 /*! Structure/Buffer to hold the SENSF_RES with LEN byte prepended */
DiegoOstuni 0:75fc82583a41 86 typedef struct{
DiegoOstuni 0:75fc82583a41 87 uint8_t LEN; /*!< NFC-F LEN byte */
DiegoOstuni 0:75fc82583a41 88 rfalNfcfSensfRes SENSF_RES; /*!< SENSF_RES */
DiegoOstuni 0:75fc82583a41 89 } rfalNfcfSensfResBuf;
DiegoOstuni 0:75fc82583a41 90
DiegoOstuni 0:75fc82583a41 91
DiegoOstuni 0:75fc82583a41 92 /*! Greedy collection for NFCF GRE_POLL_F Activity 1.0 Table 10 */
DiegoOstuni 0:75fc82583a41 93 typedef struct{
DiegoOstuni 0:75fc82583a41 94 uint8_t pollFound; /*!< Number of devices found by the Poll */
DiegoOstuni 0:75fc82583a41 95 uint8_t pollCollision; /*!< Number of collisions detected */
DiegoOstuni 0:75fc82583a41 96 rfalFeliCaPollRes POLL_F[RFAL_NFCF_POLL_MAXCARDS]; /*!< GRE_POLL_F Activity 1.0 Table 10 */
DiegoOstuni 0:75fc82583a41 97 } rfalNfcfGreedyF;
DiegoOstuni 0:75fc82583a41 98
DiegoOstuni 0:75fc82583a41 99
DiegoOstuni 0:75fc82583a41 100 /*! NFC-F SENSF_REQ format Digital 1.1 8.6.1 */
DiegoOstuni 0:75fc82583a41 101 typedef struct
DiegoOstuni 0:75fc82583a41 102 {
DiegoOstuni 0:75fc82583a41 103 uint8_t CMD; /*!< Command code: 00h */
DiegoOstuni 0:75fc82583a41 104 uint8_t SC[RFAL_NFCF_SENSF_SC_LEN]; /*!< System Code */
DiegoOstuni 0:75fc82583a41 105 uint8_t RC; /*!< Request Code */
DiegoOstuni 0:75fc82583a41 106 uint8_t TSN; /*!< Time Slot Number */
DiegoOstuni 0:75fc82583a41 107 } rfalNfcfSensfReq;
DiegoOstuni 0:75fc82583a41 108
DiegoOstuni 0:75fc82583a41 109
DiegoOstuni 0:75fc82583a41 110 /*
DiegoOstuni 0:75fc82583a41 111 ******************************************************************************
DiegoOstuni 0:75fc82583a41 112 * LOCAL VARIABLES
DiegoOstuni 0:75fc82583a41 113 ******************************************************************************
DiegoOstuni 0:75fc82583a41 114 */
DiegoOstuni 0:75fc82583a41 115 static rfalNfcfGreedyF gRfalNfcfGreedyF; /*!< Activity's NFCF Greedy collection */
DiegoOstuni 0:75fc82583a41 116
DiegoOstuni 0:75fc82583a41 117
DiegoOstuni 0:75fc82583a41 118 /*
DiegoOstuni 0:75fc82583a41 119 ******************************************************************************
DiegoOstuni 0:75fc82583a41 120 * LOCAL FUNCTION PROTOTYPES
DiegoOstuni 0:75fc82583a41 121 ******************************************************************************
DiegoOstuni 0:75fc82583a41 122 */
DiegoOstuni 0:75fc82583a41 123 static void rfalNfcfComputeValidSENF( rfalNfcfListenDevice *outDevInfo, uint8_t *curDevIdx, uint8_t devLimit, bool overwrite, bool *nfcDepFound );
DiegoOstuni 0:75fc82583a41 124
DiegoOstuni 0:75fc82583a41 125
DiegoOstuni 0:75fc82583a41 126 /*
DiegoOstuni 0:75fc82583a41 127 ******************************************************************************
DiegoOstuni 0:75fc82583a41 128 * LOCAL VARIABLES
DiegoOstuni 0:75fc82583a41 129 ******************************************************************************
DiegoOstuni 0:75fc82583a41 130 */
DiegoOstuni 0:75fc82583a41 131
DiegoOstuni 0:75fc82583a41 132 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 133 static void rfalNfcfComputeValidSENF( rfalNfcfListenDevice *outDevInfo, uint8_t *curDevIdx, uint8_t devLimit, bool overwrite, bool *nfcDepFound )
DiegoOstuni 0:75fc82583a41 134 {
DiegoOstuni 0:75fc82583a41 135 uint8_t tmpIdx;
DiegoOstuni 0:75fc82583a41 136 bool duplicate;
DiegoOstuni 0:75fc82583a41 137 rfalNfcfSensfResBuf *sensfBuf;
DiegoOstuni 0:75fc82583a41 138
DiegoOstuni 0:75fc82583a41 139
DiegoOstuni 0:75fc82583a41 140 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 141 /* Go through all responses check if valid and duplicates */
DiegoOstuni 0:75fc82583a41 142 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 143 while( (gRfalNfcfGreedyF.pollFound > 0) && ((*curDevIdx) < devLimit) )
DiegoOstuni 0:75fc82583a41 144 {
DiegoOstuni 0:75fc82583a41 145 duplicate = false;
DiegoOstuni 0:75fc82583a41 146 gRfalNfcfGreedyF.pollFound--;
DiegoOstuni 0:75fc82583a41 147
DiegoOstuni 0:75fc82583a41 148 /* Point to received SENSF_RES */
DiegoOstuni 0:75fc82583a41 149 sensfBuf = (rfalNfcfSensfResBuf*) &gRfalNfcfGreedyF.POLL_F[gRfalNfcfGreedyF.pollFound];
DiegoOstuni 0:75fc82583a41 150
DiegoOstuni 0:75fc82583a41 151
DiegoOstuni 0:75fc82583a41 152 /* Check for devices that are already in device list */
DiegoOstuni 0:75fc82583a41 153 for( tmpIdx = 0; tmpIdx < (*curDevIdx); tmpIdx++ )
DiegoOstuni 0:75fc82583a41 154 {
DiegoOstuni 0:75fc82583a41 155 if( !ST_BYTECMP( sensfBuf->SENSF_RES.NFCID2, outDevInfo[tmpIdx].sensfRes.NFCID2, RFAL_NFCF_NFCID2_LEN ) )
DiegoOstuni 0:75fc82583a41 156 {
DiegoOstuni 0:75fc82583a41 157 duplicate = true;
DiegoOstuni 0:75fc82583a41 158 break;
DiegoOstuni 0:75fc82583a41 159 }
DiegoOstuni 0:75fc82583a41 160 }
DiegoOstuni 0:75fc82583a41 161
DiegoOstuni 0:75fc82583a41 162 /* If is a duplicate skip this (and not to overwrite)*/
DiegoOstuni 0:75fc82583a41 163 if(duplicate && !overwrite)
DiegoOstuni 0:75fc82583a41 164 {
DiegoOstuni 0:75fc82583a41 165 continue;
DiegoOstuni 0:75fc82583a41 166 }
DiegoOstuni 0:75fc82583a41 167
DiegoOstuni 0:75fc82583a41 168 /* Check if response length is OK */
DiegoOstuni 0:75fc82583a41 169 if( (( sensfBuf->LEN - RFAL_NFCF_HEADER_LEN) < RFAL_NFCF_SENSF_RES_LEN_MIN) || ((sensfBuf->LEN - RFAL_NFCF_HEADER_LEN) > RFAL_NFCF_SENSF_RES_LEN_MAX) )
DiegoOstuni 0:75fc82583a41 170 {
DiegoOstuni 0:75fc82583a41 171 continue;
DiegoOstuni 0:75fc82583a41 172 }
DiegoOstuni 0:75fc82583a41 173
DiegoOstuni 0:75fc82583a41 174 /* Check if the response is a SENSF_RES / Polling response */
DiegoOstuni 0:75fc82583a41 175 if( sensfBuf->SENSF_RES.CMD != RFAL_NFCF_CMD_POLLING_RES )
DiegoOstuni 0:75fc82583a41 176 {
DiegoOstuni 0:75fc82583a41 177 continue;
DiegoOstuni 0:75fc82583a41 178 }
DiegoOstuni 0:75fc82583a41 179
DiegoOstuni 0:75fc82583a41 180 /* Check if is an overwrite request or new device*/
DiegoOstuni 0:75fc82583a41 181 if(duplicate && overwrite)
DiegoOstuni 0:75fc82583a41 182 {
DiegoOstuni 0:75fc82583a41 183 /* overwrite deviceInfo/GRE_SENSF_RES with SENSF_RES */
DiegoOstuni 0:75fc82583a41 184 outDevInfo[tmpIdx].sensfResLen = (sensfBuf->LEN - RFAL_NFCF_LENGTH_LEN);
DiegoOstuni 0:75fc82583a41 185 ST_MEMCPY( &outDevInfo[tmpIdx].sensfRes, &sensfBuf->SENSF_RES.CMD, outDevInfo[tmpIdx].sensfResLen );
DiegoOstuni 0:75fc82583a41 186 continue;
DiegoOstuni 0:75fc82583a41 187 }
DiegoOstuni 0:75fc82583a41 188 else
DiegoOstuni 0:75fc82583a41 189 {
DiegoOstuni 0:75fc82583a41 190 /* fill deviceInfo/GRE_SENSF_RES with new SENSF_RES */
DiegoOstuni 0:75fc82583a41 191 outDevInfo[(*curDevIdx)].sensfResLen = (sensfBuf->LEN - RFAL_NFCF_LENGTH_LEN);
DiegoOstuni 0:75fc82583a41 192 ST_MEMCPY( &outDevInfo[(*curDevIdx)].sensfRes, &sensfBuf->SENSF_RES.CMD, outDevInfo[(*curDevIdx)].sensfResLen );
DiegoOstuni 0:75fc82583a41 193 }
DiegoOstuni 0:75fc82583a41 194
DiegoOstuni 0:75fc82583a41 195 /* Check if this device supports NFC-DEP and signal it (ACTIVITY 1.1 9.3.6.63) */
DiegoOstuni 0:75fc82583a41 196 *nfcDepFound = rfalNfcfIsNfcDepSupported( &outDevInfo[(*curDevIdx)] );
DiegoOstuni 0:75fc82583a41 197
DiegoOstuni 0:75fc82583a41 198 (*curDevIdx)++;
DiegoOstuni 0:75fc82583a41 199 }
DiegoOstuni 0:75fc82583a41 200 }
DiegoOstuni 0:75fc82583a41 201
DiegoOstuni 0:75fc82583a41 202 /*
DiegoOstuni 0:75fc82583a41 203 ******************************************************************************
DiegoOstuni 0:75fc82583a41 204 * GLOBAL FUNCTIONS
DiegoOstuni 0:75fc82583a41 205 ******************************************************************************
DiegoOstuni 0:75fc82583a41 206 */
DiegoOstuni 0:75fc82583a41 207
DiegoOstuni 0:75fc82583a41 208 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 209 ReturnCode rfalNfcfPollerInitialize( rfalBitRate bitRate,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 210 {
DiegoOstuni 0:75fc82583a41 211 ReturnCode ret;
DiegoOstuni 0:75fc82583a41 212
DiegoOstuni 0:75fc82583a41 213 if( (bitRate != RFAL_BR_212) && (bitRate != RFAL_BR_424) )
DiegoOstuni 0:75fc82583a41 214 {
DiegoOstuni 0:75fc82583a41 215 return ERR_PARAM;
DiegoOstuni 0:75fc82583a41 216 }
DiegoOstuni 0:75fc82583a41 217
DiegoOstuni 0:75fc82583a41 218 EXIT_ON_ERR( ret, rfalSetMode( RFAL_MODE_POLL_NFCF, bitRate, bitRate, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) );
DiegoOstuni 0:75fc82583a41 219 rfalSetErrorHandling( RFAL_ERRORHANDLING_NFC );
DiegoOstuni 0:75fc82583a41 220
DiegoOstuni 0:75fc82583a41 221 rfalSetGT( RFAL_GT_NFCF );
DiegoOstuni 0:75fc82583a41 222 rfalSetFDTListen( RFAL_FDT_LISTEN_NFCF_POLLER );
DiegoOstuni 0:75fc82583a41 223 rfalSetFDTPoll( RFAL_FDT_POLL_NFCF_POLLER );
DiegoOstuni 0:75fc82583a41 224
DiegoOstuni 0:75fc82583a41 225 return ERR_NONE;
DiegoOstuni 0:75fc82583a41 226 }
DiegoOstuni 0:75fc82583a41 227
DiegoOstuni 0:75fc82583a41 228
DiegoOstuni 0:75fc82583a41 229
DiegoOstuni 0:75fc82583a41 230 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 231 ReturnCode rfalNfcfPollerPoll( rfalFeliCaPollSlots slots, uint16_t sysCode, uint8_t reqCode, rfalFeliCaPollRes *cardList, uint8_t *devCnt, uint8_t *collisions, 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 232 {
DiegoOstuni 0:75fc82583a41 233 return rfalFeliCaPoll( slots, sysCode, reqCode, cardList, rfalNfcfSlots2CardNum(slots), devCnt, collisions, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:75fc82583a41 234 }
DiegoOstuni 0:75fc82583a41 235
DiegoOstuni 0:75fc82583a41 236 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 237 ReturnCode rfalNfcfPollerCheckPresence( 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 238 {
DiegoOstuni 0:75fc82583a41 239 gRfalNfcfGreedyF.pollFound = 0;
DiegoOstuni 0:75fc82583a41 240 gRfalNfcfGreedyF.pollCollision = 0;
DiegoOstuni 0:75fc82583a41 241
DiegoOstuni 0:75fc82583a41 242 /* ACTIVITY 1.0 & 1.1 - 9.2.3.17 SENSF_REQ must be with number of slots equal to 4
DiegoOstuni 0:75fc82583a41 243 * SC must be 0xFFFF
DiegoOstuni 0:75fc82583a41 244 * RC must be 0x00 (No system code info required) */
DiegoOstuni 0:75fc82583a41 245 return rfalFeliCaPoll( RFAL_FELICA_4_SLOTS, RFAL_NFCF_SYSTEMCODE, RFAL_FELICA_POLL_RC_NO_REQUEST, gRfalNfcfGreedyF.POLL_F, rfalNfcfSlots2CardNum(RFAL_FELICA_4_SLOTS), &gRfalNfcfGreedyF.pollFound, &gRfalNfcfGreedyF.pollCollision, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:75fc82583a41 246 }
DiegoOstuni 0:75fc82583a41 247
DiegoOstuni 0:75fc82583a41 248
DiegoOstuni 0:75fc82583a41 249 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 250 ReturnCode rfalNfcfPollerCollisionResolution( rfalComplianceMode compMode, uint8_t devLimit, rfalNfcfListenDevice *nfcfDevList, uint8_t *devCnt, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
DiegoOstuni 0:75fc82583a41 251 {
DiegoOstuni 0:75fc82583a41 252 ReturnCode ret;
DiegoOstuni 0:75fc82583a41 253 bool nfcDepFound;
DiegoOstuni 0:75fc82583a41 254
DiegoOstuni 0:75fc82583a41 255 if( nfcfDevList == NULL || devCnt == NULL )
DiegoOstuni 0:75fc82583a41 256 {
DiegoOstuni 0:75fc82583a41 257 return ERR_PARAM;
DiegoOstuni 0:75fc82583a41 258 }
DiegoOstuni 0:75fc82583a41 259
DiegoOstuni 0:75fc82583a41 260 *devCnt = 0;
DiegoOstuni 0:75fc82583a41 261 nfcDepFound = false;
DiegoOstuni 0:75fc82583a41 262
DiegoOstuni 0:75fc82583a41 263
DiegoOstuni 0:75fc82583a41 264 /*******************************************************************************************/
DiegoOstuni 0:75fc82583a41 265 /* ACTIVITY 1.0 - 9.3.6.3 Copy valid SENSF_RES in GRE_POLL_F into GRE_SENSF_RES */
DiegoOstuni 0:75fc82583a41 266 /* ACTIVITY 1.0 - 9.3.6.6 The NFC Forum Device MUST remove all entries from GRE_SENSF_RES[]*/
DiegoOstuni 0:75fc82583a41 267 /* ACTIVITY 1.1 - 9.3.63.59 Populate GRE_SENSF_RES with data from GRE_POLL_F */
DiegoOstuni 0:75fc82583a41 268 /* */
DiegoOstuni 0:75fc82583a41 269 /* CON_DEVICES_LIMIT = 0 Just check if devices from Tech Detection exceeds -> always true */
DiegoOstuni 0:75fc82583a41 270 /* Allow the number of slots open on Technology Detection */
DiegoOstuni 0:75fc82583a41 271 /*******************************************************************************************/
DiegoOstuni 0:75fc82583a41 272 rfalNfcfComputeValidSENF( nfcfDevList, devCnt, (devLimit == 0 ? rfalNfcfSlots2CardNum( RFAL_FELICA_4_SLOTS ) : devLimit), false, &nfcDepFound );
DiegoOstuni 0:75fc82583a41 273
DiegoOstuni 0:75fc82583a41 274
DiegoOstuni 0:75fc82583a41 275 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 276 /* ACTIVITY 1.0 - 9.3.6.4 */
DiegoOstuni 0:75fc82583a41 277 /* ACTIVITY 1.1 - 9.3.63.60 Check if devices found are lower than the limit */
DiegoOstuni 0:75fc82583a41 278 /* and send a SENSF_REQ if so */
DiegoOstuni 0:75fc82583a41 279 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 280 if( *devCnt < devLimit )
DiegoOstuni 0:75fc82583a41 281 {
DiegoOstuni 0:75fc82583a41 282 /* ACTIVITY 1.0 - 9.3.6.5 Copy valid SENSF_RES and then to remove it
DiegoOstuni 0:75fc82583a41 283 * ACTIVITY 1.1 - 9.3.6.65 Copy and filter duplicates
DiegoOstuni 0:75fc82583a41 284 * For now, due to some devices keep generating different nfcid2, we use 1.0
DiegoOstuni 0:75fc82583a41 285 * Phones detected: Samsung Galaxy Nexus,Samsung Galaxy S3,Samsung Nexus S */
DiegoOstuni 0:75fc82583a41 286 *devCnt = 0;
DiegoOstuni 0:75fc82583a41 287
DiegoOstuni 0:75fc82583a41 288 ret = rfalNfcfPollerPoll( RFAL_FELICA_16_SLOTS, RFAL_NFCF_SYSTEMCODE, RFAL_FELICA_POLL_RC_NO_REQUEST, gRfalNfcfGreedyF.POLL_F, &gRfalNfcfGreedyF.pollFound, &gRfalNfcfGreedyF.pollCollision, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:75fc82583a41 289 if( ret == ERR_NONE )
DiegoOstuni 0:75fc82583a41 290 {
DiegoOstuni 0:75fc82583a41 291 rfalNfcfComputeValidSENF( nfcfDevList, devCnt, devLimit, false, &nfcDepFound );
DiegoOstuni 0:75fc82583a41 292 }
DiegoOstuni 0:75fc82583a41 293
DiegoOstuni 0:75fc82583a41 294 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 295 /* ACTIVITY 1.1 - 9.3.6.63 Check if any device supports NFC DEP */
DiegoOstuni 0:75fc82583a41 296 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 297 if( nfcDepFound && (compMode == RFAL_COMPLIANCE_MODE_NFC) )
DiegoOstuni 0:75fc82583a41 298 {
DiegoOstuni 0:75fc82583a41 299 ret = rfalNfcfPollerPoll( RFAL_FELICA_16_SLOTS, RFAL_NFCF_SYSTEMCODE, RFAL_FELICA_POLL_RC_SYSTEM_CODE, gRfalNfcfGreedyF.POLL_F, &gRfalNfcfGreedyF.pollFound, &gRfalNfcfGreedyF.pollCollision, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:75fc82583a41 300 if( ret == ERR_NONE )
DiegoOstuni 0:75fc82583a41 301 {
DiegoOstuni 0:75fc82583a41 302 rfalNfcfComputeValidSENF( nfcfDevList, devCnt, devLimit, true, &nfcDepFound );
DiegoOstuni 0:75fc82583a41 303 }
DiegoOstuni 0:75fc82583a41 304 }
DiegoOstuni 0:75fc82583a41 305 }
DiegoOstuni 0:75fc82583a41 306
DiegoOstuni 0:75fc82583a41 307 return ERR_NONE;
DiegoOstuni 0:75fc82583a41 308 }
DiegoOstuni 0:75fc82583a41 309
DiegoOstuni 0:75fc82583a41 310
DiegoOstuni 0:75fc82583a41 311 /*******************************************************************************/
DiegoOstuni 0:75fc82583a41 312 bool rfalNfcfListenerIsT3TReq( uint8_t* buf, uint16_t bufLen, uint8_t* nfcid2 )
DiegoOstuni 0:75fc82583a41 313 {
DiegoOstuni 0:75fc82583a41 314 /* Check cmd byte */
DiegoOstuni 0:75fc82583a41 315 switch( *buf )
DiegoOstuni 0:75fc82583a41 316 {
DiegoOstuni 0:75fc82583a41 317 case RFAL_NFCF_CMD_READ_WITHOUT_ENCRYPTION:
DiegoOstuni 0:75fc82583a41 318 if( bufLen < RFAL_NFCF_READ_WO_ENCRYPTION_MIN_LEN )
DiegoOstuni 0:75fc82583a41 319 {
DiegoOstuni 0:75fc82583a41 320 return false;
DiegoOstuni 0:75fc82583a41 321 }
DiegoOstuni 0:75fc82583a41 322 break;
DiegoOstuni 0:75fc82583a41 323
DiegoOstuni 0:75fc82583a41 324 case RFAL_NFCF_CMD_WRITE_WITHOUT_ENCRYPTION:
DiegoOstuni 0:75fc82583a41 325 if( bufLen < RFAL_NFCF_WRITE_WO_ENCRYPTION_MIN_LEN )
DiegoOstuni 0:75fc82583a41 326 {
DiegoOstuni 0:75fc82583a41 327 return false;
DiegoOstuni 0:75fc82583a41 328 }
DiegoOstuni 0:75fc82583a41 329 break;
DiegoOstuni 0:75fc82583a41 330
DiegoOstuni 0:75fc82583a41 331 default:
DiegoOstuni 0:75fc82583a41 332 return false;
DiegoOstuni 0:75fc82583a41 333 }
DiegoOstuni 0:75fc82583a41 334
DiegoOstuni 0:75fc82583a41 335 /* Output NFID2 if requested */
DiegoOstuni 0:75fc82583a41 336 if( nfcid2 != NULL )
DiegoOstuni 0:75fc82583a41 337 {
DiegoOstuni 0:75fc82583a41 338 ST_MEMCPY( nfcid2, (uint8_t*)(buf + RFAL_NFCF_CMD_LEN), RFAL_NFCF_NFCID2_LEN );
DiegoOstuni 0:75fc82583a41 339 }
DiegoOstuni 0:75fc82583a41 340
DiegoOstuni 0:75fc82583a41 341 return true;
DiegoOstuni 0:75fc82583a41 342 }
DiegoOstuni 0:75fc82583a41 343
DiegoOstuni 0:75fc82583a41 344 #endif /* RFAL_FEATURE_NFCF */