I have an acr122u-a9 NFC reader and have confirmed with NFC Ideas OSX app that the reader works, can read and write tags. I can also include the "nfc" gem, but when I try and run the full example it errors out.
Has anyone had this issue and have a solve? I'm on Ruby 2.4.1 and OS X High Sierra.
Last login: Tue Jan 15 14:20:58 on ttys000
LANDEU-NMXc5054-2:~ chris.allick$ irb
2.4.1 :001 > require "nfc"
=> true
2.4.1 :002 > ctx = NFC::Context.new
=> #<NFC::Context:0x007fa37b1538f0>
2.4.1 :003 > dev = ctx.open nil
error libnfc.driver.acr122_usb Unable to claim USB interface (Permission denied)
RuntimeError: Unable to open the device
from (irb):3:in `open'
from (irb):3
from /Users/chris.allick/.rvm/rubies/ruby-2.4.1/bin/irb:11:in `<main>'
2.4.1 :004 >
I have an acr122u-a9 NFC reader and have confirmed with NFC Ideas OSX app that the reader works, can read and write tags. I can also include the "nfc" gem, but when I try and run the full example it errors out.
Has anyone had this issue and have a solve? I'm on Ruby 2.4.1 and OS X High Sierra.