Better handling of boundary conditions

Trying with serialport.readpartial

smartmeter.rb

@@ -12,7 +12,7 @@ connection_details = YAML::load(File.open('config/database.yml'))
 ActiveRecord::Base.establish_connection(connection_details)
 
 # # Open connection to serial port
-# ser = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN)
+ser = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN)
 # 
 # # read until newline
 # response = ser.readline("\r")
@@ -20,9 +20,12 @@ ActiveRecord::Base.establish_connection(connection_details)
 # print "#{response}\n"
 
 sync = Synchronizer.new
-lines = File.read("example_blurp.txt")[rand(500)..-1]
-while (lines.length > 0)
+#lines = File.read("example_blurp.txt")[rand(1500)..-1]
+lines = ser.readpartial(4096) # read max 4k of data
+p "There are #{lines.length} characters"
+while (!lines.nil? && lines.length > 0)
   lines = sync.handle_byte_stream(lines)
+  #p lines
 end
 
-p sync
+#p sync