diff options
Diffstat (limited to 'easytool/easycard.h')
| -rw-r--r-- | easytool/easycard.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/easytool/easycard.h b/easytool/easycard.h index 9d547f8..7da1015 100644 --- a/easytool/easycard.h +++ b/easytool/easycard.h @@ -11,4 +11,37 @@ extern const struct value_string easy_tt_names[]; extern const struct value_string taipei_mrt_stn_id[]; +/* Sector 0 of Block 2 seems to contain manufacturing timestamp */ +struct easy_block2sec0 { + uint8_t unknown[6]; + uint8_t timestamp[3]; + uint8_t unknown2[7]; +} __attribute__ ((packed)); + +/* Sector 2 of Block 15 */ +struct easy_block15sec2 { + uint8_t unknown[11]; + uint8_t day_of_month; + uint8_t unknown2; /* always 0x3d? */ + uint16_t sum_of_day; /* sum of all shop purchases on a day */ + uint8_t unknown3; +} __attribute__ ((packed)); + + +/* storage of a transaction log record on the transponder itself */ +struct easy_log_rec { + uint8_t trans_id; + uint8_t unknown; + uint8_t timestamp[3]; /* seconds since January 1st 1970 / 256 */ + uint8_t trans_type; + uint16_t amount; /* transaction amount / value */ + uint16_t remaining; /* remaining value on card _after_ trans */ + uint8_t unknown2; + uint8_t station_code; /* MRT station code */ + uint16_t reader_code; /* unique code of RFID reader */ + uint8_t unknown3[2]; +} __attribute__ ((packed)); + +time_t easy_timestamp2time(const uint8_t *easy_ts); + #endif /* EASYCARD_H */ |