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Diffstat (limited to 'firmware/include/librfid/rfid_layer2_iso14443a.h')
-rw-r--r--firmware/include/librfid/rfid_layer2_iso14443a.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/firmware/include/librfid/rfid_layer2_iso14443a.h b/firmware/include/librfid/rfid_layer2_iso14443a.h
new file mode 100644
index 0000000..e1ecd36
--- /dev/null
+++ b/firmware/include/librfid/rfid_layer2_iso14443a.h
@@ -0,0 +1,87 @@
+#ifndef _RFID_ISO14443A_H
+#define _RFID_ISO14443A_H
+
+
+enum rfid_14443a_opt {
+ RFID_OPT_14443A_SPEED_RX = 0x00000001,
+ RFID_OPT_14443A_SPEED_TX = 0x00000002,
+};
+
+enum rfid_14443_opt_speed {
+ RFID_14443A_SPEED_106K = 0x01,
+ RFID_14443A_SPEED_212K = 0x02,
+ RFID_14443A_SPEED_424K = 0x04,
+ RFID_14443A_SPEED_848K = 0x08,
+};
+
+#include <sys/types.h>
+
+/* protocol definitions */
+
+/* ISO 14443-3, Chapter 6.3.1 */
+enum iso14443a_sf_cmd {
+ ISO14443A_SF_CMD_REQA = 0x26,
+ ISO14443A_SF_CMD_WUPA = 0x52,
+ ISO14443A_SF_CMD_OPT_TIMESLOT = 0x35, /* Annex C */
+ /* 40 to 4f and 78 to 7f: proprietary */
+};
+
+struct iso14443a_atqa {
+ u_int8_t bf_anticol:5,
+ rfu1:1,
+ uid_size:2;
+ u_int8_t proprietary:4,
+ rfu2:4;
+} __attribute__ ((packed));
+
+#define ISO14443A_HLTA 0x5000
+
+/* ISO 14443-3, Chapter 6.3.2 */
+struct iso14443a_anticol_cmd {
+ unsigned char sel_code;
+ unsigned char nvb;
+ unsigned char uid_bits[5];
+} __attribute__ ((packed));
+
+enum iso14443a_anticol_sel_code {
+ ISO14443A_AC_SEL_CODE_CL1 = 0x93,
+ ISO14443A_AC_SEL_CODE_CL2 = 0x95,
+ ISO14443A_AC_SEL_CODE_CL3 = 0x97,
+};
+
+#define ISO14443A_BITOFCOL_NONE 0xffffffff
+
+struct iso14443a_handle {
+ unsigned int state;
+ unsigned int level;
+ unsigned int tcl_capable;
+};
+
+enum iso14443a_level {
+ ISO14443A_LEVEL_NONE,
+ ISO14443A_LEVEL_CL1,
+ ISO14443A_LEVEL_CL2,
+ ISO14443A_LEVEL_CL3,
+};
+
+enum iso14443a_state {
+ ISO14443A_STATE_ERROR,
+ ISO14443A_STATE_NONE,
+ ISO14443A_STATE_REQA_SENT,
+ ISO14443A_STATE_ATQA_RCVD,
+ ISO14443A_STATE_NO_BITFRAME_ANTICOL,
+ ISO14443A_STATE_ANTICOL_RUNNING,
+ 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;
+
+#endif /* _ISO14443A_H */
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