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Invalid RDR_to_PC_DataBlock frame with ACR122U #284

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Context: when using nfc-poll with an ACR122U chipset ( 
http://nfc-tools.org/index.php?title=ACR122 ), I get those errors: 

nfc-poll uses libnfc libnfc-1.7.1-12-gb978c45
NFC reader: ACS / ACR122U PICC Interface opened
NFC device will poll during 30000 ms (20 pollings of 300 ms for 5 modulations)
error   libnfc.driver.acr122_usb        Invalid RDR_to_PC_DataBlock frame
nfc_initiator_poll_target: Input / Output Error

What steps will reproduce the problem?
1. launch nfc-poll
2. wait

What version of the product are you using? On what operating system?
Archlinux, libnfc-git version compiled today.


Please provide any additional information below:
Everything works fine beside that: mfoc, nfc-mfclassic…

Original issue reported on code.google.com by grunbla...@gmail.com on 19 Oct 2014 at 8:37

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