diff --git a/src/cjq4435/cjq4435.cxx b/src/cjq4435/cjq4435.cxx index 3277eab9..43c2a56f 100644 --- a/src/cjq4435/cjq4435.cxx +++ b/src/cjq4435/cjq4435.cxx @@ -23,6 +23,8 @@ */ #include +#include +#include #include "cjq4435.h" @@ -33,7 +35,8 @@ CJQ4435::CJQ4435(int pin) { if ( !(m_pwm = mraa_pwm_init(pin)) ) { - cerr << __FUNCTION__ << ": mraa_pwm_init() failed" << endl; + throw std::invalid_argument(std::string(__FUNCTION__) + + ": mraa_pwm_init() failed, invalid pin?"); return; }