From f86e812f1367d11ed95cdf6e68e93e9cf4385acf Mon Sep 17 00:00:00 2001
From: Jon Trulson <jtrulson@ics.com>
Date: Wed, 9 Sep 2015 15:14:43 -0600
Subject: [PATCH] adxl335: throw exception(s) on fatal errors

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
---
 src/adxl335/adxl335.cxx | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/adxl335/adxl335.cxx b/src/adxl335/adxl335.cxx
index 8391d0ae..de6f1b9a 100644
--- a/src/adxl335/adxl335.cxx
+++ b/src/adxl335/adxl335.cxx
@@ -26,6 +26,8 @@
  */
 
 #include <iostream>
+#include <string>
+#include <stdexcept>
 
 #include "adxl335.h"
 
@@ -41,19 +43,22 @@ ADXL335::ADXL335(int pinX, int pinY, int pinZ, float aref)
 
   if ( !(m_aioX = mraa_aio_init(pinX)) )
     {
-      cerr << __FUNCTION__ << ": mraa_aio_init(X) failed" << endl;
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_aio_init(X) failed, invalid pin?");
       return;
     }
 
   if ( !(m_aioY = mraa_aio_init(pinY)) )
     {
-      cerr << __FUNCTION__ << ": mraa_aio_init(Y) failed" << endl;
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_aio_init(Y) failed, invalid pin?");
       return;
     }
 
   if ( !(m_aioZ = mraa_aio_init(pinZ)) )
     {
-      cerr << __FUNCTION__ << ": mraa_aio_init(Z) failed" << endl;
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_aio_init(Z) failed, invalid pin?");
       return;
     }
 }