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buzzer: throw exception(s) on fatal errors

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Jon Trulson 2015-09-09 11:52:32 -06:00 committed by Mihai Tudor Panu
parent bea94a70b2
commit 8345687ab9
1 changed files with 4 additions and 1 deletions
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5
src/buzzer/buzzer.cxx
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@ -23,6 +23,8 @@
*/ */
#include <iostream> #include <iostream>
#include <string>
#include <stdexcept>
#include <unistd.h> #include <unistd.h>
#include "buzzer.h" #include "buzzer.h"
@ -34,7 +36,8 @@ Buzzer::Buzzer(int pinNumber) {
m_pwm_context = mraa_pwm_init(pinNumber); m_pwm_context = mraa_pwm_init(pinNumber);
if(m_pwm_context == 0) 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; return;
} }
m_name = "Buzzer"; m_name = "Buzzer";