diff --git a/src/biss0001/biss0001.cxx b/src/biss0001/biss0001.cxx index 34111528..7f366a71 100644 --- a/src/biss0001/biss0001.cxx +++ b/src/biss0001/biss0001.cxx @@ -23,6 +23,8 @@ */ #include +#include +#include #include "biss0001.h" @@ -30,7 +32,12 @@ using namespace upm; BISS0001::BISS0001(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?"); + return; + } mraa_gpio_dir(m_gpio, MRAA_GPIO_IN); }