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128 lines
4.3 KiB
C
128 lines
4.3 KiB
C
// ISO15693 commons
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// Adrian Dabrowski 2010 and others, GPLv2
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#ifndef ISO15693_H__
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#define ISO15693_H__
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// ISO15693 CRC
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#define ISO15_CRC_PRESET (uint16_t)0xFFFF
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#define ISO15_CRC_POLY (uint16_t)0x8408
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#define ISO15_CRC_CHECK ((uint16_t)(~0xF0B8 & 0xFFFF)) // use this for checking of a correct crc
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// REQUEST FLAGS
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#define ISO15_REQ_SUBCARRIER_SINGLE 0x00 // Tag should respond using one subcarrier (ASK)
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#define ISO15_REQ_SUBCARRIER_TWO 0x01 // Tag should respond using two subcarriers (FSK)
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#define ISO15_REQ_DATARATE_LOW 0x00 // Tag should respond using low data rate
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#define ISO15_REQ_DATARATE_HIGH 0x02 // Tag should respond using high data rate
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#define ISO15_REQ_NONINVENTORY 0x00
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#define ISO15_REQ_INVENTORY 0x04 // This is an inventory request - see inventory flags
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#define ISO15_REQ_PROTOCOL_NONEXT 0x00
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#define ISO15_REQ_PROTOCOL_EXT 0x08 // RFU
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// REQUEST FLAGS when INVENTORY is not set
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#define ISO15_REQ_SELECT 0x10 // only selected cards response
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#define ISO15_REQ_ADDRESS 0x20 // this req contains an address
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#define ISO15_REQ_OPTION 0x40 // Command specific option selector
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//REQUEST FLAGS when INVENTORY is set
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#define ISO15_REQINV_AFI 0x10 // AFI Field is present
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#define ISO15_REQINV_SLOT1 0x20 // 1 Slot
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#define ISO15_REQINV_SLOT16 0x00 // 16 Slots
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#define ISO15_REQINV_OPTION 0x40 // Command specific option selector
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//RESPONSE FLAGS
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#define ISO15_RES_ERROR 0x01
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#define ISO15_RES_EXT 0x08 // Protocol Extention
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// RESPONSE ERROR CODES
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#define ISO15_NOERROR 0x00
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#define ISO15_ERROR_CMD_NOT_SUP 0x01 // Command not supported
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#define ISO15_ERROR_CMD_NOT_REC 0x02 // Command not recognized (eg. parameter error)
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#define ISO15_ERROR_CMD_OPTION 0x03 // Command option not supported
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#define ISO15_ERROR_GENERIC 0x0F // No additional Info about this error
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#define ISO15_ERROR_BLOCK_UNAVAILABLE 0x10
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#define ISO15_ERROR_BLOCK_LOCKED_ALREADY 0x11 // cannot lock again
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#define ISO15_ERROR_BLOCK_LOCKED 0x12 // cannot be changed
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#define ISO15_ERROR_BLOCK_WRITE 0x13 // Writing was unsuccessful
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#define ISO15_ERROR_BLOCL_WRITELOCK 0x14 // Locking was unsuccessful
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// COMMAND CODES
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#define ISO15_CMD_INVENTORY 0x01
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#define ISO15_CMD_STAYQUIET 0x02
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#define ISO15_CMD_READ 0x20
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#define ISO15_CMD_WRITE 0x21
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#define ISO15_CMD_LOCK 0x22
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#define ISO15_CMD_READMULTI 0x23
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#define ISO15_CMD_WRITEMULTI 0x24
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#define ISO15_CMD_SELECT 0x25
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#define ISO15_CMD_RESET 0x26
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#define ISO15_CMD_WRITEAFI 0x27
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#define ISO15_CMD_LOCKAFI 0x28
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#define ISO15_CMD_WRITEDSFID 0x29
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#define ISO15_CMD_LOCKDSFID 0x2A
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#define ISO15_CMD_SYSINFO 0x2B
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#define ISO15_CMD_SECSTATUS 0x2C
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uint16_t Iso15693Crc(uint8_t *v, int n);
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int Iso15693AddCrc(uint8_t *req, int n);
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char* Iso15693sprintUID(char *target,uint8_t *uid);
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unsigned short iclass_crc16(char *data_p, unsigned short length);
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//-----------------------------------------------------------------------------
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// Map a sequence of octets (~layer 2 command) into the set of bits to feed
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// to the FPGA, to transmit that command to the tag.
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// Mode: highspeed && one subcarrier (ASK)
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//-----------------------------------------------------------------------------
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// The sampling rate is 106.353 ksps/s, for T = 18.8 us
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// SOF defined as
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// 1) Unmodulated time of 56.64us
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// 2) 24 pulses of 423.75khz
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// 3) logic '1' (unmodulated for 18.88us followed by 8 pulses of 423.75khz)
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static const int Iso15693FrameSOF[] = {
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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-1, -1, -1, -1,
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-1, -1, -1, -1,
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1, 1, 1, 1,
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1, 1, 1, 1
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};
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static const int Iso15693Logic0[] = {
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1, 1, 1, 1,
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1, 1, 1, 1,
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-1, -1, -1, -1,
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-1, -1, -1, -1
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};
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static const int Iso15693Logic1[] = {
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-1, -1, -1, -1,
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-1, -1, -1, -1,
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1, 1, 1, 1,
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1, 1, 1, 1
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};
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// EOF defined as
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// 1) logic '0' (8 pulses of 423.75khz followed by unmodulated for 18.88us)
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// 2) 24 pulses of 423.75khz
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// 3) Unmodulated time of 56.64us
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static const int Iso15693FrameEOF[] = {
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1, 1, 1, 1,
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1, 1, 1, 1,
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-1, -1, -1, -1,
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-1, -1, -1, -1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
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};
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#endif
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