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   1 // ISO15693 commons
   2 // Adrian Dabrowski 2010, GPLv2
   3
   4 #ifndef ISO15693_H__
   5 #define ISO15693_H__
   6
   7 // ISO15693 CRC
   8 #define ISO15_CRC_PRESET        (uint16_t)0xFFFF
   9 #define ISO15_CRC_POLY          (uint16_t)0x8408
  10 #define ISO15_CRC_CHECK         ((uint16_t)(~0xF0B8 & 0xFFFF))  // use this for checking of a correct crc
  11
  12 // REQUEST FLAGS
  13
  14 #define ISO15_REQ_SUBCARRIER_SINGLE     0x00    // Tag should respond using one subcarrier (ASK)
  15 #define ISO15_REQ_SUBCARRIER_TWO                0x01    // Tag should respond using two subcarriers (FSK)
  16 #define ISO15_REQ_DATARATE_LOW          0x00    // Tag should respond using low data rate
  17 #define ISO15_REQ_DATARATE_HIGH         0x02    // Tag should respond using high data rate
  18 #define ISO15_REQ_NONINVENTORY          0x00
  19 #define ISO15_REQ_INVENTORY             0x04    // This is an inventory request - see inventory flags
  20 #define ISO15_REQ_PROTOCOL_NONEXT               0x00
  21 #define ISO15_REQ_PROTOCOL_EXT          0x08    // RFU
  22
  23 // REQUEST FLAGS when INVENTORY is not set
  24
  25 #define ISO15_REQ_SELECT                        0x10    // only selected cards response
  26 #define ISO15_REQ_ADDRESS                       0x20    // this req contains an address
  27 #define ISO15_REQ_OPTION                        0x40    // Command specific option selector
  28
  29 //REQUEST FLAGS when INVENTORY is set
  30
  31 #define ISO15_REQINV_AFI                        0x10    // AFI Field is present
  32 #define ISO15_REQINV_SLOT1              0x20    // 1 Slot
  33 #define ISO15_REQINV_SLOT16             0x00    // 16 Slots
  34 #define ISO15_REQINV_OPTION             0x40    // Command specific option selector
  35
  36 //RESPONSE FLAGS
  37 #define ISO15_RES_ERROR                 0x01
  38 #define ISO15_RES_EXT                   0x08    // Protocol Extention
  39
  40 // RESPONSE ERROR CODES
  41 #define ISO15_NOERROR                   0x00
  42 #define ISO15_ERROR_CMD_NOT_SUP         0x01    // Command not supported
  43 #define ISO15_ERROR_CMD_NOT_REC         0x02    // Command not recognized (eg. parameter error)
  44 #define ISO15_ERROR_CMD_OPTION          0x03    // Command option not supported
  45 #define ISO15_ERROR_GENERIC             0x0F    // No additional Info about this error
  46 #define ISO15_ERROR_BLOCK_UNAVAILABLE   0x10
  47 #define ISO15_ERROR_BLOCK_LOCKED_ALREADY        0x11    // cannot lock again
  48 #define ISO15_ERROR_BLOCK_LOCKED                0x12    // cannot be changed
  49 #define ISO15_ERROR_BLOCK_WRITE         0x13    // Writing was unsuccessful
  50 #define ISO15_ERROR_BLOCL_WRITELOCK     0x14    // Locking was unsuccessful
  51
  52 // COMMAND CODES
  53 #define ISO15_CMD_INVENTORY                     0x01
  54 #define ISO15_CMD_STAYQUIET                     0x02
  55 #define ISO15_CMD_READ                                  0x20
  56 #define ISO15_CMD_WRITE                                 0x21
  57 #define ISO15_CMD_LOCK                                  0x22
  58 #define ISO15_CMD_READMULTI                     0x23
  59 #define ISO15_CMD_WRITEMULTI                    0x24
  60 #define ISO15_CMD_SELECT                                0x25
  61 #define ISO15_CMD_RESET                                 0x26
  62 #define ISO15_CMD_WRITEAFI                              0x27
  63 #define ISO15_CMD_LOCKAFI                               0x28
  64 #define ISO15_CMD_WRITEDSFID                    0x29
  65 #define ISO15_CMD_LOCKDSFID                     0x2A
  66 #define ISO15_CMD_SYSINFO                               0x2B
  67 #define ISO15_CMD_SECSTATUS                     0x2C
  68
  69
  70 uint16_t Iso15693Crc(uint8_t *v, int n);
  71 int Iso15693AddCrc(uint8_t *req, int n);
  72 char* Iso15693sprintUID(char *target,uint8_t *uid);
  73
  74 //-----------------------------------------------------------------------------
  75 // Map a sequence of octets (~layer 2 command) into the set of bits to feed
  76 // to the FPGA, to transmit that command to the tag.
  77 // Mode: highspeed && one subcarrier (ASK)
  78 //-----------------------------------------------------------------------------
  79
  80         // The sampling rate is 106.353 ksps/s, for T = 18.8 us
  81
  82         // SOF defined as
  83         // 1) Unmodulated time of 56.64us
  84         // 2) 24 pulses of 423.75khz
  85         // 3) logic '1' (unmodulated for 18.88us followed by 8 pulses of 423.75khz)
  86
  87         static const int Iso15693FrameSOF[] = {
  88                 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
  89                 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
  90                  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  91                  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  92                 -1, -1, -1, -1,
  93                 -1, -1, -1, -1,
  94                  1,  1,  1,  1,
  95                  1,  1,  1,  1
  96         };
  97         static const int Iso15693Logic0[] = {
  98                  1,  1,  1,  1,
  99                  1,  1,  1,  1,
 100                 -1, -1, -1, -1,
 101                 -1, -1, -1, -1
 102         };
 103         static const int Iso15693Logic1[] = {
 104                 -1, -1, -1, -1,
 105                 -1, -1, -1, -1,
 106                  1,  1,  1,  1,
 107                  1,  1,  1,  1
 108         };
 109
 110         // EOF defined as
 111         // 1) logic '0' (8 pulses of 423.75khz followed by unmodulated for 18.88us)
 112         // 2) 24 pulses of 423.75khz
 113         // 3) Unmodulated time of 56.64us
 114
 115         static const int Iso15693FrameEOF[] = {
 116                  1,  1,  1,  1,
 117                  1,  1,  1,  1,
 118                 -1, -1, -1, -1,
 119                 -1, -1, -1, -1,
 120                  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
 121                  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
 122                 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
 123                 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
 124         };
 125
 126
 127 #endif