diff --git a/src/groveehr/groveehr.cxx b/src/groveehr/groveehr.cxx index a236bcef..3a9750b4 100644 --- a/src/groveehr/groveehr.cxx +++ b/src/groveehr/groveehr.cxx @@ -23,6 +23,8 @@ */ #include +#include +#include #include "groveehr.h" @@ -35,7 +37,8 @@ GroveEHR::GroveEHR(int pin) if ( !(m_gpio = mraa_gpio_init(pin)) ) { - cerr << __FUNCTION__ << ": mraa_gpio_init() failed" << endl; + throw std::invalid_argument(std::string(__FUNCTION__) + + ": mraa_aio_init() failed, invalid pin?"); return; }