1 /****************************************************************************** 2 * 3 * Copyright 2019-2020 NXP 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 #pragma once 19 20 /*include files*/ 21 #include <phNfcStatus.h> 22 #include <phNfcTypes.h> 23 24 #define NxpMfcReaderInstance (NxpMfcReader::getInstance()) 25 26 #define MAX_MFC_BUFF_SIZE 32 27 28 #define MFC_4K_BLK128 128 /*Block number 128 for Mifare 4k */ 29 #define MFC_SECTOR_NO32 32 /* Sector 32 for Mifare 4K*/ 30 #define MFC_BYTES_PER_BLOCK 16 31 #define MFC_BLKS_PER_SECTOR (0x04) 32 33 #define MFC_EXTN_ID_SIZE (0x01U) /* Size of Mfc Req/Rsp Id */ 34 #define MFC_EXTN_STATUS_SIZE (0x01U) /* Size of Mfc Resp Status Byte */ 35 36 #define MFC_AUTHKEYLEN 0x06 /* Authentication key length */ 37 #define MFC_AUTHENTICATION_KEY \ 38 (0x00U) /* Authentication key passed in extension \ 39 command header of authentication command */ 40 #define MFC_ENABLE_KEY_B (0x80U) 41 #define MFC_EMBEDDED_KEY (0x10) 42 #define MFC_NUM_OF_KEYS (0x03U) 43 #define MFC_KEY_SIZE (0x06U) 44 #define MFC_KEYS \ 45 { \ 46 {0xA0, 0XA1, 0xA2, 0XA3, 0xA4, 0XA5}, \ 47 {0xD3, 0XF7, 0xD3, 0XF7, 0xD3, 0XF7}, \ 48 {0xFF, 0XFF, 0xFF, 0XFF, 0xFF, 0XFF}, \ 49 } /* Key used during NDEF format */ 50 51 typedef enum MifareCmdList { 52 eMifareRaw = 0x00U, /* This command performs raw transcations */ 53 eMifareAuthentA = 0x60U, /* This command performs an authentication with 54 KEY A for a sector. */ 55 eMifareAuthentB = 0x61U, /* This command performs an authentication with 56 KEY B for a sector. */ 57 eMifareRead16 = 0x30U, /* Read 16 Bytes from a Mifare Standard block */ 58 eMifareRead = 0x30U, /* Read Mifare Standard */ 59 eMifareWrite16 = 0xA0U, /* Write 16 Bytes to a Mifare Standard block */ 60 eMifareWrite4 = 0xA2U, /* Write 4 bytes. */ 61 eMifareInc = 0xC1U, /* Increment */ 62 eMifareDec = 0xC0U, /* Decrement */ 63 eMifareTransfer = 0xB0U, /* Transfer */ 64 eMifareRestore = 0xC2U, /* Restore. */ 65 eMifareReadSector = 0x38U, /* Read Sector. */ 66 eMifareWriteSector = 0xA8U, /* Write Sector. */ 67 } MifareCmdList_t; 68 69 /* 70 * Request Id for different commands 71 */ 72 typedef enum MfcCmdReqId { 73 eMfRawDataXchgHdr = 0x10, /* MF Raw Data Request from DH */ 74 eMfWriteNReq = 0x31, /* MF N bytes write request from DH */ 75 eMfReadNReq = 0x32, /* MF N bytes read request from DH */ 76 eMfSectorSelReq = 0x33, /* MF Block select request from DH */ 77 eMfPlusProxCheckReq = 0x28, /* MF + Prox check request for NFCC from DH */ 78 eMfcAuthReq = 0x40, /* MFC Authentication request for NFCC from DH */ 79 eInvalidReq /* Invalid ReqId */ 80 } MfcCmdReqId_t; 81 82 /* 83 * Response Ids for different command response 84 */ 85 typedef enum MfcRespId { 86 eMfXchgDataRsp = 0x10, /* DH gets Raw data from MF on successful req */ 87 eMfWriteNRsp = 0x31, /* DH gets write status */ 88 eMfReadNRsp = 0x32, /* DH gets N Bytes read from MF, if successful */ 89 eMfSectorSelRsp = 0x33, /* DH gets the Sector Select cmd status */ 90 eMfPlusProxCheckRsp = 0x29, /* DH gets the MF+ Prox Check cmd status */ 91 eMfcAuthRsp = 0x40, /* DH gets the authenticate cmd status */ 92 eInvalidRsp /* Invalid RspId */ 93 } MfcRespId_t; 94 95 typedef struct MfcTagCmdIntfData { 96 uint8_t byAddr; /* Start address to perform operation*/ 97 uint16_t sendBufLen; /* Holds the length of the received data. */ 98 uint8_t sendBuf[MAX_MFC_BUFF_SIZE]; /*Holds the ack of some initial commands*/ 99 } MfcTagCmdIntfData_t; 100 101 class NxpMfcReader { 102 private: 103 MfcTagCmdIntfData_t mMfcTagCmdIntfData; 104 void BuildMfcCmd(uint8_t* pData, uint16_t* pLength); 105 void BuildAuthCmd(); 106 void BuildReadCmd(); 107 void BuildWrite16Cmd(); 108 void BuildRawCmd(); 109 void BuildIncDecCmd(); 110 void CalcSectorAddress(); 111 void AuthForWrite(); 112 void SendIncDecRestoreCmdPart2(const uint8_t* mfcData); 113 114 public: 115 int Write(uint16_t mfcDataLen, const uint8_t* pMfcData); 116 NFCSTATUS AnalyzeMfcResp(uint8_t* pBuff, uint16_t* pBufflen); 117 NFCSTATUS CheckMfcResponse(uint8_t* pTransceiveData, 118 uint16_t transceiveDataLen); 119 static NxpMfcReader& getInstance(); 120 };