From 8710280142159e57bf5d3c31c030cc1ca14d1442 Mon Sep 17 00:00:00 2001
From: Brendan Le Foll <brendan.le.foll@intel.com>
Date: Fri, 5 Feb 2016 15:43:28 +0000
Subject: [PATCH] gpio.hpp: Add direction read call for C++ & SWIG APIs

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
---
 api/mraa/gpio.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/api/mraa/gpio.hpp b/api/mraa/gpio.hpp
index ec9c43a..86ac1ad 100644
--- a/api/mraa/gpio.hpp
+++ b/api/mraa/gpio.hpp
@@ -235,6 +235,23 @@ class Gpio
     {
         return (Result )mraa_gpio_dir(m_gpio, (mraa_gpio_dir_t) dir);
     }
+
+    /**
+     * Read Gpio direction
+     *
+     * @throw std::runtime_error in case of failure
+     * @return Result of operation
+     */
+    Dir
+    readDir()
+    {
+        mraa_gpio_dir_t dir;
+        if (mraa_gpio_read_dir(m_gpio, &dir) != MRAA_SUCCESS) {
+            throw std::runtime_error("Failed to read direction");
+        }
+        return (Dir) dir;
+    }
+
     /**
      * Read value from Gpio
      *