diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/librfid/rfid_layer2_iso14443a.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/librfid/rfid_layer2_iso14443a.h b/include/librfid/rfid_layer2_iso14443a.h index 50a6f43..0ff84eb 100644 --- a/include/librfid/rfid_layer2_iso14443a.h +++ b/include/librfid/rfid_layer2_iso14443a.h @@ -75,6 +75,14 @@ enum iso14443a_state { ISO14443A_STATE_SELECTED, }; +/* Section 6.1.2 values in usec, rounded up to next usec */ +#define ISO14443A_FDT_ANTICOL_LAST1 92 /* 1236 / fc = 91.15 usec */ +#define ISO14443A_FDT_ANTICOL_LAST0 87 /* 1172 / fc = 86.43 usec */ + +#define ISO14443_CARRIER_FREQ 13560000 +#define ISO14443A_FDT_OTHER_LAST1(n) (((n*128+84)*1000000)/ISO14443_CARRIER_FREQ) + + #include <librfid/rfid_layer2.h> struct rfid_layer2 rfid_layer2_iso14443a; |