/****************************************************************************** * * Copyright 2019 NXP * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ #pragma once /*include files*/ #include #include #define NxpMfcReaderInstance (NxpMfcReader::getInstance()) #define MAX_MFC_BUFF_SIZE 32 #define MFC_4K_BLK128 128 /*Block number 128 for Mifare 4k */ #define MFC_SECTOR_NO32 32 /* Sector 32 for Mifare 4K*/ #define MFC_BYTES_PER_BLOCK 16 #define MFC_BLKS_PER_SECTOR (0x04) #define MFC_EXTN_ID_SIZE (0x01U) /* Size of Mfc Req/Rsp Id */ #define MFC_EXTN_STATUS_SIZE (0x01U) /* Size of Mfc Resp Status Byte */ #define MFC_AUTHKEYLEN 0x06 /* Authentication key length */ #define MFC_AUTHENTICATION_KEY \ (0x00U) /* Authentication key passed in extension \ command header of authentication command */ #define MFC_ENABLE_KEY_B (0x80U) #define MFC_EMBEDDED_KEY (0x10) #define MFC_NUM_OF_KEYS (0x03U) #define MFC_KEY_SIZE (0x06U) #define MFC_KEYS \ { \ {0xA0, 0XA1, 0xA2, 0XA3, 0xA4, 0XA5}, \ {0xD3, 0XF7, 0xD3, 0XF7, 0xD3, 0XF7}, \ {0xFF, 0XFF, 0xFF, 0XFF, 0xFF, 0XFF}, \ } /* Key used during NDEF format */ typedef enum MifareCmdList { eMifareRaw = 0x00U, /* This command performs raw transcations */ eMifareAuthentA = 0x60U, /* This command performs an authentication with KEY A for a sector. */ eMifareAuthentB = 0x61U, /* This command performs an authentication with KEY B for a sector. */ eMifareRead16 = 0x30U, /* Read 16 Bytes from a Mifare Standard block */ eMifareRead = 0x30U, /* Read Mifare Standard */ eMifareWrite16 = 0xA0U, /* Write 16 Bytes to a Mifare Standard block */ eMifareWrite4 = 0xA2U, /* Write 4 bytes. */ eMifareInc = 0xC1U, /* Increment */ eMifareDec = 0xC0U, /* Decrement */ eMifareTransfer = 0xB0U, /* Transfer */ eMifareRestore = 0xC2U, /* Restore. */ eMifareReadSector = 0x38U, /* Read Sector. */ eMifareWriteSector = 0xA8U, /* Write Sector. */ } MifareCmdList_t; /* * Request Id for different commands */ typedef enum MfcCmdReqId { eMfRawDataXchgHdr = 0x10, /* MF Raw Data Request from DH */ eMfWriteNReq = 0x31, /* MF N bytes write request from DH */ eMfReadNReq = 0x32, /* MF N bytes read request from DH */ eMfSectorSelReq = 0x33, /* MF Block select request from DH */ eMfPlusProxCheckReq = 0x28, /* MF + Prox check request for NFCC from DH */ eMfcAuthReq = 0x40, /* MFC Authentication request for NFCC from DH */ eInvalidReq /* Invalid ReqId */ } MfcCmdReqId_t; /* * Response Ids for different command response */ typedef enum MfcRespId { eMfXchgDataRsp = 0x10, /* DH gets Raw data from MF on successful req */ eMfWriteNRsp = 0x31, /* DH gets write status */ eMfReadNRsp = 0x32, /* DH gets N Bytes read from MF, if successful */ eMfSectorSelRsp = 0x33, /* DH gets the Sector Select cmd status */ eMfPlusProxCheckRsp = 0x29, /* DH gets the MF+ Prox Check cmd status */ eMfcAuthRsp = 0x40, /* DH gets the authenticate cmd status */ eInvalidRsp /* Invalid RspId */ } MfcRespId_t; typedef struct MfcTagCmdIntfData { uint8_t byAddr; /* Start address to perform operation*/ uint16_t sendBufLen; /* Holds the length of the received data. */ uint8_t sendBuf[MAX_MFC_BUFF_SIZE]; /*Holds the ack of some initial commands*/ } MfcTagCmdIntfData_t; class NxpMfcReader { private: MfcTagCmdIntfData_t mMfcTagCmdIntfData; void BuildMfcCmd(uint8_t *pData, uint16_t *pLength); void BuildAuthCmd(); void BuildReadCmd(); void BuildWrite16Cmd(); void BuildRawCmd(); void BuildIncDecCmd(); void CalcSectorAddress(); void AuthForWrite(); void SendIncDecRestoreCmdPart2(const uint8_t *mfcData); public: int Write(uint16_t mfcDataLen, const uint8_t *pMfcData); NFCSTATUS AnalyzeMfcResp(uint8_t *pBuff, uint16_t *pBufflen); NFCSTATUS CheckMfcResponse(uint8_t *pTransceiveData, uint16_t transceiveDataLen); static NxpMfcReader &getInstance(); };