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https://github.com/RfidResearchGroup/ChameleonMini.git
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Federico Cerutti
9b5dfc2708
We thought that the user had access to 64 blocks, while in EM4233 factsheet it's stated that only 52 blocks are available
147 lines
4.3 KiB
C
147 lines
4.3 KiB
C
/*
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* ISO15693-3.h
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*
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* Created on: 24.08.2013
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* Author: skuser
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*/
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#ifndef ISO15693_3_H_
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#define ISO15693_3_H_
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#include "../Common.h"
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/* request and response fields addresses */
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#define ISO15693_ADDR_FLAGS 0x00
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#define ISO15693_REQ_ADDR_CMD 0x01
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#define ISO15693_REQ_ADDR_PARAM 0x02
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#define ISO15693_RES_ADDR_PARAM 0x01
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/* command codes */
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#define ISO15693_CMD_INVENTORY 0x01
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#define ISO15693_CMD_STAY_QUIET 0x02
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#define ISO15693_CMD_READ_SINGLE 0x20
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#define ISO15693_CMD_WRITE_SINGLE 0x21
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#define ISO15693_CMD_LOCK_BLOCK 0x22
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#define ISO15693_CMD_READ_MULTIPLE 0x23
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#define ISO15693_CMD_WRITE_MULTIPLE 0x24
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#define ISO15693_CMD_SELECT 0x25
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#define ISO15693_CMD_RESET_TO_READY 0x26
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#define ISO15693_CMD_WRITE_AFI 0x27
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#define ISO15693_CMD_LOCK_AFI 0x28
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#define ISO15693_CMD_WRITE_DSFID 0x29
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#define ISO15693_CMD_LOCK_DSFID 0x2A
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#define ISO15693_CMD_GET_SYS_INFO 0x2B
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#define ISO15693_CMD_GET_BLOCK_SEC 0x2C
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#define ISO15693_REQ_FLAG_SUBCARRIER 0x01
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#define ISO15693_REQ_FLAG_DATARATE 0x02
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#define ISO15693_REQ_FLAG_INVENTORY 0x04
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#define ISO15693_REQ_FLAG_PROT_EXT 0x08
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#define ISO15693_REQ_FLAG_OPTION 0x40
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#define ISO15693_REQ_FLAG_RFU 0x80
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/* When INVENTORY flag is not set: */
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#define ISO15693_REQ_FLAG_SELECT 0x10
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#define ISO15693_REQ_FLAG_ADDRESS 0x20
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/* When INVENTORY flag is set: */
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#define ISO15693_REQ_FLAG_AFI 0x10
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#define ISO15693_REQ_FLAG_NB_SLOTS 0x20
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#define ISO15693_RES_FLAG_NO_ERROR 0x00
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#define ISO15693_RES_FLAG_ERROR 0x01
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#define ISO15693_RES_FLAG_PROT_EXT 0x08
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#define ISO15693_RES_ERR_NOT_SUPP 0x01
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#define ISO15693_RES_ERR_NOT_REC 0x02
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#define ISO15693_RES_ERR_OPT_NOT_SUPP 0x03
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#define ISO15693_RES_ERR_GENERIC 0x0F
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#define ISO15693_RES_ERR_BLK_NOT_AVL 0x10
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#define ISO15693_RES_ERR_BLK_ALRD_LKD 0x11
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#define ISO15693_RES_ERR_BLK_CHG_LKD 0x12
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#define ISO15693_RES_ERR_BLK_NOT_PRGR 0x13
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#define ISO15693_RES_ERR_BLK_NOT_LKD 0x14
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#define ISO15693_RES_INVENTORY_DSFID 0x00
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#define ISO15693_MIN_FRAME_SIZE 0x04
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#define ISO15693_GENERIC_UID_SIZE 0x08
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#define ISO15693_GENERIC_MEM_SIZE 8192
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#define ISO15693_CRC16_SIZE 0x2 /* Bytes */
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#define ISO15693_CRC16_POLYNORMAL 0x8408
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#define ISO15693_CRC16_PRESET 0xFFFF
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/* The lock status byte has bits assigned as follow */
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#define ISO15693_MASK_UNLOCKED ( 0 << 0 )
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#define ISO15693_MASK_USER_LOCK ( 1 << 0 )
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#define ISO15693_MASK_FACTORY_LOCK ( 1 << 1 )
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typedef struct {
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uint8_t* Flags;
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uint8_t* Command;
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uint8_t* Parameters;
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uint8_t ParamLen;
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bool Addressed;
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bool Selected;
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} CurrentFrame;
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void ISO15693AppendCRC(uint8_t* FrameBuf, uint16_t FrameBufSize);
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bool ISO15693CheckCRC(void* FrameBuf, uint16_t FrameBufSize);
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bool ISO15693PrepareFrame(uint8_t* FrameBuf, uint16_t FrameBytes, CurrentFrame* FrameStruct, uint8_t* MyUid);
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INLINE
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bool ISO15693CompareUid(uint8_t* Uid1, uint8_t* Uid2)
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{
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if ( (Uid1[0] == Uid2[7])
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&& (Uid1[1] == Uid2[6])
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&& (Uid1[2] == Uid2[5])
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&& (Uid1[3] == Uid2[4])
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&& (Uid1[4] == Uid2[3])
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&& (Uid1[5] == Uid2[2])
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&& (Uid1[6] == Uid2[1])
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&& (Uid1[7] == Uid2[0]) ) {
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return true;
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} else {
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return false;
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}
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}
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INLINE
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void ISO15693CopyUid(uint8_t* DstUid, uint8_t* SrcUid)
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{
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DstUid[0] = SrcUid[7];
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DstUid[1] = SrcUid[6];
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DstUid[2] = SrcUid[5];
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DstUid[3] = SrcUid[4];
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DstUid[4] = SrcUid[3];
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DstUid[5] = SrcUid[2];
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DstUid[6] = SrcUid[1];
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DstUid[7] = SrcUid[0];
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}
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INLINE
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bool ISO15693Addressed(uint8_t* Buffer) {
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return (Buffer[ISO15693_ADDR_FLAGS] & ISO15693_REQ_FLAG_ADDRESS); /* if the flag is set, the command is addressed */
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}
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INLINE
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bool ISO15693AddressedLegacy(uint8_t* Buffer, uint8_t* MyUid) {
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if (Buffer[0] & ISO15693_REQ_FLAG_ADDRESS) {
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/* Addressed mode */
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if ( ISO15693CompareUid(&Buffer[2], MyUid) ) {
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/* Our UID addressed */
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return true;
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} else {
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/* Our UID not addressed */
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return false;
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}
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} else {
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/* Non-Addressed mode */
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return true;
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}
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}
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#endif /* ISO15693_3_H_ */
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