From 0af62a6992897d574901a6cabb33c8342effaf08 Mon Sep 17 00:00:00 2001
From: Jon Trulson <jtrulson@ics.com>
Date: Thu, 10 Sep 2015 12:40:06 -0600
Subject: [PATCH] isd1820: 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/isd1820/isd1820.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/isd1820/isd1820.cxx b/src/isd1820/isd1820.cxx
index 51388d77..29aed20d 100644
--- a/src/isd1820/isd1820.cxx
+++ b/src/isd1820/isd1820.cxx
@@ -23,6 +23,8 @@
  */
 
 #include <iostream>
+#include <string>
+#include <stdexcept>
 
 #include "isd1820.h"
 
@@ -33,7 +35,8 @@ ISD1820::ISD1820(int playPin, int recPin)
 {
   if ( !(m_gpioPlay = mraa_gpio_init(playPin)) )
     {
-      cerr << __FUNCTION__ << ": mraa_gpio_init() failed" << endl;
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_gpio_init(playPin) failed, invalid pin?");
       return;
     }
 
@@ -41,7 +44,8 @@ ISD1820::ISD1820(int playPin, int recPin)
 
   if ( !(m_gpioRec = mraa_gpio_init(recPin)) )
     {
-      cerr << __FUNCTION__ << ": mraa_gpio_init() failed" << endl;
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_gpio_init(recPin) failed, invalid pin?");
       return;
     }