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grovewater: 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 14:16:44 -06:00 committed by Mihai Tudor Panu
parent 38351cbe6e
commit 1ea36c6f89
1 changed files with 4 additions and 1 deletions
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5
src/grovewater/grovewater.cxx
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@ -23,6 +23,8 @@
*/ */
#include <iostream> #include <iostream>
#include <string>
#include <stdexcept>
#include "grovewater.h" #include "grovewater.h"
@ -33,7 +35,8 @@ GroveWater::GroveWater(int pin)
{ {
if ( !(m_gpio = mraa_gpio_init(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; return;
} }