handling of frame extended. Persisting Reading to database.

smartmeter.rb

@@ -11,25 +11,28 @@ Dir.glob(project_root + "/app/helpers/*.rb").each{|f| require f}
 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)
-lines = ""
-for i in 0..21
-  lines = lines+ser.readline("\n").gsub(/\r/, '')
+if __FILE__ == $0
+  begin
+    # Open connection to serial port
+    ser = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN)
+    lines = ""
+    for i in 0..21
+      lines = lines+ser.readline("\n").gsub(/\r/, '')
+    end
+  rescue 
+    p "Serialport Error - reverting to 'example_blurp.txt'"
+    lines = File.read("example_blurp.txt")[rand(1500)..-1]
+    p "There are #{lines.length} characters"
+    p lines
+  end  
+
+  #
+  # Process the received lines
+  #
+  sync = Synchronizer.new
+  while (!lines.nil? && lines.length > 0)
+    lines = sync.handle_byte_stream(lines)
+    #p lines
+  end
 end
-
-# # read until newline
-# response = ser.readline("\r")
-# response.chomp!
-# print "#{response}\n"
-
-sync = Synchronizer.new
-#lines = File.read("example_blurp.txt")[rand(1500)..-1]
-p "There are #{lines.length} characters"
-p lines
-while (!lines.nil? && lines.length > 0)
-  lines = sync.handle_byte_stream(lines)
-  #p lines
-end
-
 #p sync