msr

A ruby gem for controlling magnetic stripe reader-writers (on UNIX/UNIX-likes).

Uses libmsr.

Installation

$ gem install msr # make sure you have libmsr and ruby development headers

Example

Full documentation is available on RubyDoc.

require 'msr'

msr = MSR::MSR505C.new("/dev/ttyS0") # or your serial device

puts "OK" if msr.linked?

# control an LED on the reader
msr.led = :all # :green, :yellow, :red, :all, :none

# get and set coercivity
msr.coercivity # => :high, :low
msr.coercivity = :high # :low

tracks = msr.raw_read # => MSR::Tracks

tracks.reverse!

msr.raw_write tracks

License

ruby-msr is licensed under the MIT License.

For the exact terms, see the license file.