From 4eb3e51aa25b25968ad3f7841a7f6095627ffb99 Mon Sep 17 00:00:00 2001
From: William Woodall <wjwwood@gmail.com>
Date: Thu, 24 Mar 2011 11:14:13 -0500
Subject: [PATCH] Added isOpen, and credited John Harrison as an author as
 well.

---
 include/serial.h    | 7 +++++++
 src/serial.cpp      | 6 ++++++
 src/test_serial.cpp | 6 ++++++
 3 files changed, 19 insertions(+)

diff --git a/include/serial.h b/include/serial.h
index 7946ebe..537e58e 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -1,6 +1,7 @@
 /**
  * @file serial.h
  * @author  William Woodall <wjwwood@gmail.com>
+ * @author  John Harrison   <ash.gti@gmail.com>
  * @version 0.1
  *
  * @section LICENSE
@@ -143,6 +144,12 @@ public:
     */
     void open();
     
+    /** Gets the status of the serial port.
+    * 
+    * @return A boolean value that represents whether or not the serial port is open.
+    */
+    const bool isOpen();
+    
     /** Closes the serial port and terminates threads. */
     void close();
     
diff --git a/src/serial.cpp b/src/serial.cpp
index cc21e85..19abbb8 100644
--- a/src/serial.cpp
+++ b/src/serial.cpp
@@ -182,6 +182,12 @@ void Serial::open() {
     }
 }
 
+const bool Serial::isOpen() {
+    if(this->serial_port != NULL)
+        return this->serial_port->is_open();
+    return false;
+}
+
 void Serial::close() {
     // Cancel the current timeout timer and async reads
     this->timeout_timer.cancel();
diff --git a/src/test_serial.cpp b/src/test_serial.cpp
index 568707b..9048b0d 100644
--- a/src/test_serial.cpp
+++ b/src/test_serial.cpp
@@ -13,6 +13,12 @@ int main(int argc, char **argv)
     
     serial::Serial serial(port, 115200, 250);
     
+    std::cout << "Is the serial port open?";
+    if(serial.isOpen())
+        std::cout << " Yes." << std::endl;
+    else
+        std::cout << " No." << std::endl;
+    
     int count = 0;
     while (count >= 0) {
         int bytes_wrote = serial.write("Testing.");