| /****************************************************************************** |
| * |
| * 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 <phNfcStatus.h> |
| #include <phNfcTypes.h> |
| |
| #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(uint16_t mfcDataLen, 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(); |
| }; |