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A binding from libnfc to node. At present, only reading is supported.
In order to use the module you need to install libnfc and libusb. Read more about libnfc here.
On Linux, you want:
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install libusb-dev libnfc
On MacOS X, you want:
brew update
brew doctor
brew install libusb-compat libnfc
To install it, use npm:
npm install nfc
Or, to compile it yourself, make sure you have node-gyp:
node-gyp configure
node-gyp build
An error of Unable to claim USB interface (Permission denied) indicates that another process has the interface. On MacOS X you can try:
$ sudo killall pcscd
var nfc = require('nfc').nfc
, util = require('util')
;
console.log('nfc.version(): ' + util.inspect(nfc.version(), { depth: null }));
// { name: 'libfnc', version: '1.7.0' }
console.log('nfc.scan(): ' + util.inspect(nfc.scan(), { depth: null }));
// { 'pn53x_usb:160:012': { name: 'SCM Micro / SCL3711-NFC&RW', info: { chip: 'PN533 v2.7', ... } } }
var device = new nfc.NFC();
device.on('read', function(tag) {
// { deviceID: '...', name: '...', uid: '...', type: 0x04 (Mifare Classic) or 0x44 (Mifare Ultralight) }
if ((!!tag.data) && (!!tag.offset)) console.log(util.inspect(nfc.parse(tag.data.slice(tag.offset)), { depth: null }));
}).on('error', function(err) {
// handle background error;
}).start();
// optionally the start function may include the deviceID (e.g., 'pn53x_usb:160:012')
jeroenvollenbrock for the huge update he made to this project!
(The MIT License)
Copyright (c) 2011 Camilo Tapia <camilo.tapia@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
FAQs
Node NFC functionallity through libnfc
The npm package nfc receives a total of 6 weekly downloads. As such, nfc popularity was classified as not popular.
We found that nfc demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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