lib/arduino_firmata/arduino.rb in arduino_firmata-0.3.2 vs lib/arduino_firmata/arduino.rb in arduino_firmata-0.3.3

@@ -172,14 +172,19 @@
       end
     end
 
     def read
       return if status == Status::CLOSE
-      if nonblock_io
-        @serial.read_nonblock @read_byte_size rescue EOFError
-      else
-        @serial.read @read_byte_size rescue EOFError
+      data = nil
+      begin
+        if nonblock_io
+          data = @serial.read_nonblock @read_byte_size
+        else
+          data = @serial.read @read_byte_size
+        end
+      rescue IOError, EOFError => e
       end
+      data
     end
 
     def process_input
       StringIO.new(String read).each_byte.each do |input_data|
         command = nil