libpafe-rubyでwaonの使用日時と残高を表示するやつ。

waon.rb

# coding: utf-8

require "pasori"

pasori = Pasori.open

felica = pasori.felica_polling
pasori.felica_polling(Felica::POLLING_EDY) {|felica2|
  # waon
  get = 0
  latest = 0
  balance = 0
  felica2.each.with_index(0x680b) {|l,cnt|
    print cnt
    if (cnt % 2 == 1)
      data = l.unpack('NNNCnCC')
      if (latest < data[4])
        print "!"
        latest = data[4]
        get = 1
      end
      next
    end
    if (6 < cnt)
      break
    end
    data = l.unpack('CCCCCCCC')
    if (get == 1)
      year = (data[2] >> 3) + 2005
      month = (data[2] & 0x07) << 1 | data[3] >> 7
      day = (data[3] >> 2) & 0x1f
      hour = (data[3] & 0x3) << 3 | data[4] >> 5
      min = (data[4] & 0x1f) << 1 | data[5] >> 7
#     BALANCE(取得までの流れ)
#      printf("%X, %X, %X\n", data[5],data[6],data[7])
#      printf("-> %X, %X, %X\n", (data[5] & 0x7f), data[6], data[7] >> 7)
#      printf("-> %X, %X, %X\n", (data[5] & 0x7f) << 11, data[6] << 3, data[7] >> 5)
      balance = (data[5] & 0x7f) << 11 | data[6] << 3 | data[7] >> 5
      printf("%04d/%02d/%02d %02d:%02d    %d", year, month, day, hour, min, balance)
      get = 0 end
  }
  print "#{balance}"
}
felica.close
pasori.close
print "\n\n"