Can you try with latest trunk version, there is at least this http://bazaar.launchpad.net/~stephen-tiedemann/nfcpy/trunk/revision/267 change in relation to pn532 on serial port.
Can you try with latest trunk version, there is at least this http:// bazaar. launchpad. net/~stephen- tiedemann/ nfcpy/trunk/ revision/ 267 change in relation to pn532 on serial port.