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>
This commit is contained in:
Jon Trulson 2015-09-09 11:52:32 -06:00 committed by Mihai Tudor Panu
parent bea94a70b2
commit 8345687ab9

View File

@ -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";