#define ISO15693_READ_MULTI_SECSTATUS 0x2C
-#define ISO_14443A 0
-#define ICLASS 1
-#define ISO_14443B 2
+// 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 T5555_PSK_RF_8 0x00000200
#define T5555_USE_PWD 0x00000400
#define T5555_USE_AOR 0x00000800
-#define T5555_BITRATE_SHIFT 12
+#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