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Questions tagged [lib-nfc]

libnfc is the first libre, platform-independent, low level NFC SDK and Programmers API.

libnfc is the first libre, platform-independent, low level NFC SDK and Programmers API.

Official page: http://nfc-tools.org/index.php?title=Libnfc

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Read/Write/Format NDEF ISO/IEC 14443A Card using libnfc

I recently bought a pn532 breakout board from adafruit and a couple of MIfare NFC 1K card. I also have a AS3955 ISO/IEC 14443A NFC tag from austria micro system with 4Kb EEPROM. I have installed libnfc on raspberry pi and i am able to run nfc-list,…
Shahid Ali
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How to create NFC tag that contains NDEF data?

Recently, Apple has opened NFC for iPhone 7. I have been experimenting this feature. I don't know how to create NFC tags which contain NDEF data. If anyone knows, please share your knowledge
venky
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Raspberry Pi NFC Tag Emulation

I'm trying to use a NFC shield with a PN532 NFC chip attached to my Raspberry Pi to have the same effect as a NFC tag. Thus, when it is read by a phone, it will display plain text, URL, etc. I have installed LibNFC successfully and can poll the…
Sean Bulley
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ISO 14443-3A communication procedure with libnfc

I work on implementing a custom ISO 14443-3A protocol between ACR122U and AS3953. I want to send a frame when the tag is in ACTIVE state but not using ISO 14443-4. So, using libnfc, are the following steps correct to send something to…
chpl
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libudev-dev is not installed in debian

I have to install pcsc-lite 1.8.13 on my debian-sid operating system. When I run :/configure, I encounter "install libudev-dev" error. I have installed libudev-dev with this command: "sudo apt-get instal libudev-dev". Still, I get the same missing…
yusuf
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Java TerminalFactory and ACR122U NFC reader on raspberry Pi

I'm using a Raspberry Pi to build an NFC card reader applet in Java. For some reason Java doesn't 'see' the entire Terminal, while nfc-list and pcsc_scan all see the connected reader. pi@raspberrypi ~ $ sudo nfc-poll nfc-poll uses libnfc 1.7.1 NFC…
DescX
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How to read NFC tag data with raspberry pi and ACR122U

I'm working on a python project that requires reading data from NFC tags- specifically URLs. I purchased a USB NFC reader and am using the libnfc library. I have my raspberry pi recognizing the reader and tags properly, and it correctly identifies…
llllbbbbllll
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How to enable NFC in aosp android

I have aosp 10 source code but when I run the build image by flashing, I am not able to find NFC in connected device. How to check NFC chip integrated in device? Is there any command to check in terminal? As per device manufacture, they said they…
Star
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Getting Phone Number from PN532 NFC

I am using a raspberry pi hooked up to an PN532 NFC to print out the following information from an Android phone. I was wondering if there is any way to also obtain the phone's number using NFC? I am getting the impression that NFC does not allow…
Jeff Boker
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libnfc - Emulate NDEF URI - NFC

I am using an ACR122U-A9 NFC Reader and Mac OS X. I want to emulate and NDEF URI Message (for example https://stackoverflow.com), so when an Android or (newer) iPhone approaches the NFC Reader, the Browser should automatically open the URI. For that…
mtw
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How can RPi read a I2C/SPI PN532 NFCRFID/NFC module?

I have a Pi Zero v1.3: PI - pn532 5v to 5v gnd to gnd BCM10 to MOSI BCM9 to MISO BCM11 to SCK BCM5 to SS I think the issue is BCM5 to SS? I believe this should be CE0 or CE1? I have closed both SEL0 and SEL1. The only other thing is instead of…
Denis
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PN532 V3 + Arduino UNO + libnfc error (ERROR: Unable to open NFC device: pn532_uart:/dev/ttyUSB0:115200)

I am trying to use a PN532 (v3) board with an Arduino UNO and libnfc for my university project. One problem I have stumbled upon is that libnfc-1.7.1 gives me the following error when I invoke nfc-list: debug libnfc.general log_level is set to 3 …
XMadWeaselX
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Force PC/SC driver on ACR1252U NFC reader and enter card emulation mode using python

Objective: let ACR1252U NFC reader enter card emulation mode using python on Mac I have trouble with using the ACS ACR1252U card reader on macOS Catalina 10.15.3 using the PC/SC driver. I installed the driver from the ACS website. By using the…
Azurespace
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NFC Reader ACR122U and libnfc.driver.acr122_usb Unable to write to USB (Result too large)

I try to use an ACR122 USB NFC-Reader on Mac OSX Mojave 10.14.6 with libnfc and I've got a "Unable to write to USB (Result too large)" error when I try to use the command LIBNFC_LOG_LEVEL=3 nfc-list: info libnfc.config Unable to open file:…
Me7e0r
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Why is the length byte of this ATS so large?

Testing with a DESFire, I picked up the following ATS: 0x75 0x77 0x81 0x02 0x80. From what I can tell, ISO/IEC 14443-4 says that the first byte should be the "length byte" and should indicate the total number of bytes sent as part of the ATS.…
VortixDev
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