From aeb120c284ed8bc73a08deebd0c5cc6f1c1241cf Mon Sep 17 00:00:00 2001
From: Jon Trulson <jtrulson@ics.com>
Date: Thu, 10 Sep 2015 14:15:02 -0600
Subject: [PATCH] maxsonarez: 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/maxsonarez/maxsonarez.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/maxsonarez/maxsonarez.cxx b/src/maxsonarez/maxsonarez.cxx
index e29453e7..1dd010cc 100644
--- a/src/maxsonarez/maxsonarez.cxx
+++ b/src/maxsonarez/maxsonarez.cxx
@@ -33,7 +33,8 @@ MAXSONAREZ::MAXSONAREZ(int pin, float aref)
 {
   if (!(m_aio = mraa_aio_init(pin)))
     {
-      cerr << __FUNCTION__ << "mraa_aio_init() failed." << endl;
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_aio_init() failed, invalid pin?");
       return;
     }