who can help me

[xw xw]

hello

     I am using openpcd and librfid 0.2.0 now, I met a problem.

     When I use the librfid-tool -s option for the first time,it works, but
after serveral times,it does not work,does anyone know the reson?

     The debug information are as follows:

     unnormal message:
     root at leon:~/librfid-0.2.0/utils# ./librfid-tool -s
     lt-librfid-tool - (C) 2005-2008 by Harald Welte
     This program is Free Software and has ABSOLUTELY NO WARRANTY
     initializing librfid
     opening reader handle OpenPCD, CM5x21
     rfid_asic_rc632.c(174):rc632_power: entering
     No OpenPCD found
     No Omnikey Cardman 5x21 found

     normal message:
     oot at leon:~/librfid-0.2.0/utils# ./librfid-tool -s
     lt-librfid-tool - (C) 2005-2008 by Harald Welte
     This program is Free Software and has ABSOLUTELY NO WARRANTY
     initializing librfid
     opening reader handle OpenPCD, CM5x21
     rfid_asic_rc632.c(174):rc632_power: entering
     rfid_asic_rc632.c(174):rc632_power: entering
     rfid_asic_rc632.c(160):rc632_rf_power: entering
     rfid_asic_rc632.c(160):rc632_rf_power: entering
     scanning for RFID token...
     rfid_asic_rc632.c(424):rc632_transceive: timeout=92, rx_len=0, tx_len=2
     rfid_asic_rc632.c(439):rc632_transceive: status_flag: 0x05, IRQ, Lo,
mIdle
     rfid_asic_rc632.c(441):rc632_transceive: status_flag: 0x05, IRQ, Lo,
mIdle
     rfid_asic_rc632.c(443):rc632_transceive: status_flag: 0x05, IRQ, Lo,
mIdle
     .
     .
     .
xinwei，xwxwxw6203 at gmail.com < xwxwxw6203 at gmail.com>
2009-12-12
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