From 8345687ab91c442457c33e30397c929568663d9c Mon Sep 17 00:00:00 2001
From: Jon Trulson <jtrulson@ics.com>
Date: Wed, 9 Sep 2015 11:52:32 -0600
Subject: [PATCH] buzzer: 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/buzzer/buzzer.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/buzzer/buzzer.cxx b/src/buzzer/buzzer.cxx
index 227645b6..8ef89227 100644
--- a/src/buzzer/buzzer.cxx
+++ b/src/buzzer/buzzer.cxx
@@ -23,6 +23,8 @@
  */
 
 #include <iostream>
+#include <string>
+#include <stdexcept>
 #include <unistd.h>
 
 #include "buzzer.h"
@@ -34,7 +36,8 @@ Buzzer::Buzzer(int pinNumber) {
     m_pwm_context = mraa_pwm_init(pinNumber);
     if(m_pwm_context == 0)
     {
-        cerr << __FUNCTION__ << ": Error initializing PWM on pin " << pinNumber << endl;
+        throw std::invalid_argument(std::string(__FUNCTION__) +
+                                    ": mraa_pwm_init() failed, invalid pin?");
         return;
     }
     m_name = "Buzzer";