From a564258fb05fd8056e05d0fef753634bdecf0127 Mon Sep 17 00:00:00 2001 From: Jon Trulson Date: Tue, 8 Sep 2015 16:36:48 -0600 Subject: [PATCH] biss0001: throw exception(s) on fatal errors Signed-off-by: Jon Trulson Signed-off-by: Mihai Tudor Panu --- src/biss0001/biss0001.cxx | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) 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); }