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grovelinefinder: 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 11:15:44 -06:00 committed by Mihai Tudor Panu
parent 88c11fb1cf
commit 9081c35f53
1 changed files with 4 additions and 1 deletions
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5
src/grovelinefinder/grovelinefinder.cxx
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@ -23,6 +23,8 @@
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include "grovelinefinder.h"
@ -33,7 +35,8 @@ GroveLineFinder::GroveLineFinder(int pin)
{
if ( !(m_gpio = mraa_gpio_init(pin)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init() failed" << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
return;
}