GPS tracking

gistfile1.rb

require 'rubygems'
require 'serialport'
require 'redis'

port_str  = '/dev/tty.iBT-GPS-SPPslave'
baud_rate = 9600
data_bits = 8
stop_bits = 1
parity    = SerialPort::NONE

sp = SerialPort.new(port_str, baud_rate, data_bits, stop_bits, parity)
Redis = Redis.new

while str = sp.gets do
  if (str) =~ /^\$GPGGA/
     # puts str 
     arr = str.split(',')
     #  puts arr.inspect
     Redis.lpush arr[1], "#{arr[2]}#{arr[3]}"
     Redis.lpush arr[1], "#{arr[4]}#{arr[5]}"
     Redis.lpush arr[1], arr[9]
     print '*'
  else 
    print '.'
  end
end