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tenderlove / nfc

NFC is a ruby wrapper for the Near Field Communication library.
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error libnfc.driver.acr122_usb Too small reply #7

Open paulomcnally opened 8 years ago

paulomcnally commented 8 years ago

Output Error:

ruby app.rb

error   libnfc.driver.acr122_usb    Too small reply
/home/polin/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/nfc-3.1.1/lib/nfc/iso14443a.rb:6:in `abtUid': failed to allocate memory (NoMemoryError)
    from /home/polin/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/nfc-3.1.1/lib/nfc/iso14443a.rb:6:in `uid'
    from /home/polin/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/nfc-3.1.1/lib/nfc/iso14443a.rb:24:in `to_s'
    from /home/polin/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/nfc-3.1.1/lib/nfc/iso14443a.rb:33:in `inspect'
    from app.rb:10:in `p'
    from app.rb:10:in `<main>'

Code:

require 'nfc'

# Create a new context
ctx = NFC::Context.new

# Open the first available USB device
dev = ctx.open nil

# Block until a tag is available, then print tag info
p dev.select

# You can even run in an infinite loop if you'd like to continually find
# tags:

#loop do
#  p dev.select
#end