libnfc.driver.pn532_uart error on ACR122U

nfc-tools / libnfc

Platform independent Near Field Communication (NFC) library

http://nfc-tools.org

GNU Lesser General Public License v3.0

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libnfc.driver.pn532_uart error on ACR122U #486

Closed VitaKiyanova closed 6 years ago

VitaKiyanova commented 6 years ago

i installed libnfc 1.7.0 on RPi raspbian jessie. nfc-poll is not working, this is error text:

error libnfc.driver.pn532_uart pn53x_check_communication error nfc-poll: ERROR: Unable to open NFC device

Thanks in advance

i am using ACR122U

ChunJyeBehBeh commented 5 years ago

Hello,

May I know how you solve it?

I have the following error also after I run the command sudo ./nfc-poll :

/home/pi/libnfc/libnfc-1.7.0/examples/.libs/lt-nfc-poll uses libnfc 1.7.0
pn53x_check_communication: Timeout
lt-nfc-poll: ERROR: Unable to open NFC device.