+// Topaz command set:
+#define TOPAZ_REQA 0x26 // Request
+#define TOPAZ_WUPA 0x52 // WakeUp
+#define TOPAZ_RID 0x78 // Read ID
+#define TOPAZ_RALL 0x00 // Read All (all bytes)
+#define TOPAZ_READ 0x01 // Read (a single byte)
+#define TOPAZ_WRITE_E 0x53 // Write-with-erase (a single byte)
+#define TOPAZ_WRITE_NE 0x1a // Write-no-erase (a single byte)
+// additional commands for Dynamic Memory Model
+#define TOPAZ_RSEG 0x10 // Read segment
+#define TOPAZ_READ8 0x02 // Read (eight bytes)
+#define TOPAZ_WRITE_E8 0x54 // Write-with-erase (eight bytes)
+#define TOPAZ_WRITE_NE8 0x1B // Write-no-erase (eight bytes)
+
+
+#define ISO_14443A 0
+#define ICLASS 1
+#define ISO_14443B 2
+#define TOPAZ 3
+
+//-- Picopass fuses
+#define FUSE_FPERS 0x80
+#define FUSE_CODING1 0x40
+#define FUSE_CODING0 0x20
+#define FUSE_CRYPT1 0x10
+#define FUSE_CRYPT0 0x08
+#define FUSE_FPROD1 0x04
+#define FUSE_FPROD0 0x02
+#define FUSE_RA 0x01
+
+void printIclassDumpInfo(uint8_t* iclass_dump);
+void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb);
+
+/* T55x7 configuration register definitions */
+#define T55x7_POR_DELAY 0x00000001
+#define T55x7_ST_TERMINATOR 0x00000008
+#define T55x7_PWD 0x00000010
+#define T55x7_MAXBLOCK_SHIFT 5
+#define T55x7_AOR 0x00000200
+#define T55x7_PSKCF_RF_2 0
+#define T55x7_PSKCF_RF_4 0x00000400
+#define T55x7_PSKCF_RF_8 0x00000800
+#define T55x7_MODULATION_DIRECT 0
+#define T55x7_MODULATION_PSK1 0x00001000
+#define T55x7_MODULATION_PSK2 0x00002000
+#define T55x7_MODULATION_PSK3 0x00003000
+#define T55x7_MODULATION_FSK1 0x00004000
+#define T55x7_MODULATION_FSK2 0x00005000
+#define T55x7_MODULATION_FSK1a 0x00006000
+#define T55x7_MODULATION_FSK2a 0x00007000
+#define T55x7_MODULATION_MANCHESTER 0x00008000
+#define T55x7_MODULATION_BIPHASE 0x00010000
+#define T55x7_MODULATION_DIPHASE 0x00018000
+#define T55x7_X_MODE 0x00020000
+#define T55x7_BITRATE_RF_8 0
+#define T55x7_BITRATE_RF_16 0x00040000
+#define T55x7_BITRATE_RF_32 0x00080000
+#define T55x7_BITRATE_RF_40 0x000C0000
+#define T55x7_BITRATE_RF_50 0x00100000
+#define T55x7_BITRATE_RF_64 0x00140000
+#define T55x7_BITRATE_RF_100 0x00180000
+#define T55x7_BITRATE_RF_128 0x001C0000
+
+/* T5555 (Q5) configuration register definitions */
+#define T5555_ST_TERMINATOR 0x00000001
+#define T5555_MAXBLOCK_SHIFT 0x00000001
+#define T5555_MODULATION_MANCHESTER 0
+#define T5555_MODULATION_PSK1 0x00000010
+#define T5555_MODULATION_PSK2 0x00000020
+#define T5555_MODULATION_PSK3 0x00000030
+#define T5555_MODULATION_FSK1 0x00000040
+#define T5555_MODULATION_FSK2 0x00000050
+#define T5555_MODULATION_BIPHASE 0x00000060
+#define T5555_MODULATION_DIRECT 0x00000070
+#define T5555_INVERT_OUTPUT 0x00000080
+#define T5555_PSK_RF_2 0
+#define T5555_PSK_RF_4 0x00000100
+#define T5555_PSK_RF_8 0x00000200
+#define T5555_USE_PWD 0x00000400
+#define T5555_USE_AOR 0x00000800
+#define T5555_SET_BITRATE(x) (((x-2)/2)<<12)
+#define T5555_GET_BITRATE(x) ((((x >> 12) & 0x3F)*2)+2)
+#define T5555_BITRATE_SHIFT 12 //(RF=2n+2) ie 64=2*0x1F+2 or n = (RF-2)/2
+#define T5555_FAST_WRITE 0x00004000
+#define T5555_PAGE_SELECT 0x00008000
+
+#define T55XX_WRITE_TIMEOUT 1500
+
+uint32_t GetT55xxClockBit(uint32_t clock);