From 9081c35f53ffbc280e4b40aa914c8a2284e0cb18 Mon Sep 17 00:00:00 2001 From: Jon Trulson Date: Wed, 9 Sep 2015 11:15:44 -0600 Subject: [PATCH] grovelinefinder: throw exception(s) on fatal errors Signed-off-by: Jon Trulson Signed-off-by: Mihai Tudor Panu --- src/grovelinefinder/grovelinefinder.cxx | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/grovelinefinder/grovelinefinder.cxx b/src/grovelinefinder/grovelinefinder.cxx index 93316bb9..297f526a 100644 --- a/src/grovelinefinder/grovelinefinder.cxx +++ b/src/grovelinefinder/grovelinefinder.cxx @@ -23,6 +23,8 @@ */ #include +#include +#include #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; }