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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import csv
import binascii
import os
import struct
import sys
sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/nfcpy')
import nfc
num_blocks = 20
service_code = 0x090f
class StationRecord(object):
db = None
def __init__(self, row):
self.area_key = int(row[0], 10)
self.line_key = int(row[1], 10)
self.station_key = int(row[2], 10)
self.company_value = row[3]
self.line_value = row[4]
self.station_value = row[5]
@classmethod
def get_none(cls):
# 駅データが見つからないときに使う
return cls(["0", "0", "0", "None", "None", "None"])
@classmethod
def get_db(cls, filename):
# 駅データのcsvを読み込んでキャッシュする
if cls.db == None:
cls.db = []
for row in csv.reader(open(filename, 'rU'), delimiter=',', dialect=csv.excel_tab):
cls.db.append(cls(row))
return cls.db
@classmethod
def get_station(cls, line_key, station_key):
# 線区コードと駅コードに対応するStationRecordを検索する
for station in cls.get_db("StationCode.csv"):
if station.line_key == line_key and station.station_key == station_key:
return station
return cls.get_none()
class HistoryRecord(object):
def __init__(self, data):
# ビッグエンディアンでバイト列を解釈する
row_be = struct.unpack('>2B2H4BH4B', data)
# リトルエンディアンでバイト列を解釈する
row_le = struct.unpack('<2B2H4BH4B', data)
self.db = None
self.console = self.get_console(row_be[0])
self.process = self.get_process(row_be[1])
self.year = self.get_year(row_be[3])
self.month = self.get_month(row_be[3])
self.day = self.get_day(row_be[3])
self.balance = row_le[8]
self.in_station = StationRecord.get_station(row_be[4], row_be[5])
self.out_station = StationRecord.get_station(row_be[6], row_be[7])
@classmethod
def get_console(cls, key):
# よく使われそうなもののみ対応
return {
0x03: "精算機",
0x04: "携帯型端末",
0x05: "車載端末",
0x12: "券売機",
0x16: "改札機",
0x1c: "乗継精算機",
0xc8: "自販機",
}.get(key)
@classmethod
def get_process(cls, key):
# よく使われそうなもののみ対応
return {
0x01: "運賃支払",
0x02: "チャージ",
0x0f: "バス",
0x46: "物販",
}.get(key)
@classmethod
def get_year(cls, date):
return (date >> 9) & 0x7f
@classmethod
def get_month(cls, date):
return (date >> 5) & 0x0f
@classmethod
def get_day(cls, date):
return (date >> 0) & 0x1f
def connected(tag):
print tag
if isinstance(tag, nfc.tag.tt3.Type3Tag):
try:
sc = nfc.tag.tt3.ServiceCode(service_code >> 6 ,service_code & 0x3f)
for i in range(num_blocks):
bc = nfc.tag.tt3.BlockCode(i,service=0)
data = tag.read_without_encryption([sc],[bc])
history = HistoryRecord(bytes(data))
print "=== %02d ===" % i
print "端末種: %s" % history.console
print "処理: %s" % history.process
print "日付: %02d-%02d-%02d" % (history.year, history.month, history.day)
print "入線区: %s-%s" % (history.in_station.company_value, history.in_station.line_value)
print "入駅順: %s" % history.in_station.station_value
print "出線区: %s-%s" % (history.out_station.company_value, history.out_station.line_value)
print "出駅順: %s" % history.out_station.station_value
print "残高: %d" % history.balance
print "BIN: "
print "" . join(['%02x ' % s for s in data])
except Exception as e:
print "error: %s" % e
else:
print "error: tag isn't Type3Tag"
if __name__ == "__main__":
clf = nfc.ContactlessFrontend('usb')
clf.connect(rdwr={'on-connect': connected})