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grovespeaker: 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 2015-09-08 12:45:33 -06:00 committed by Mihai Tudor Panu
parent 6c8f82901c
commit 04e91db166
1 changed files with 6 additions and 1 deletions
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7
src/grovespeaker/grovespeaker.cxx
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@ -23,6 +23,8 @@
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include "grovespeaker.h"
@ -30,7 +32,10 @@ using namespace upm;
GroveSpeaker::GroveSpeaker(int pin)
{
m_gpio = mraa_gpio_init(pin);
if ( !(m_gpio = mraa_gpio_init(pin)) )
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
m_note_list['a'] = storeNote(1136, 1073, 568, 536, 284, 268);
m_note_list['b'] = storeNote(1012, 0, 506, 0, 253, 0);