From 8e7fd64701dd6760a647197abd54077560cbe74e Mon Sep 17 00:00:00 2001
From: Aart van Halteren <aart.van.halteren@philips.com>
Date: Wed, 17 Jul 2013 12:44:26 +0200
Subject: [PATCH] put serial_port in blocking read

---
 smartmeter.rb  | 2 ++
 test-serial.rb | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/smartmeter.rb b/smartmeter.rb
index 326d5f7..666bc83 100644
--- a/smartmeter.rb
+++ b/smartmeter.rb
@@ -17,6 +17,8 @@ def open_device
   begin
     # Open connection to serial port
     io_device = SerialPort.new("/dev/ttyUSB1", 9600, 7, 1, SerialPort::EVEN)
+    # Make reading blocking
+    io_device.read_timeout = 0
   rescue 
     p "Serialport Error - reverting to 'example_blurp.txt'"
     io_device = File.open("example_blurp.txt")
diff --git a/test-serial.rb b/test-serial.rb
index b8c6160..d7f0a91 100644
--- a/test-serial.rb
+++ b/test-serial.rb
@@ -24,6 +24,9 @@ if __FILE__ == $0
 
 sp = SerialPort.new(port_str, baud_rate, data_bits, stop_bits, parity)
 
+# Make reading blocking
+sp.read_timeout = 0
+
 #just read forever
 while true do
   printf("%c", sp.getc)