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joystick12: throw exception(s) on fatal errors

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Jon Trulson 2015-09-09 11:06:01 -06:00 committed by Mihai Tudor Panu
parent 6b4a3e1fd0
commit 2f2b502813
1 changed files with 16 additions and 3 deletions
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19
src/joystick12/joystick12.cxx
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@ -23,6 +23,8 @@
*/ */
#include <iostream> #include <iostream>
#include <string>
#include <stdexcept>
#include <unistd.h> #include <unistd.h>
#include <stdlib.h> #include <stdlib.h>
#include <functional> #include <functional>
@ -42,9 +44,20 @@ const int Joystick12::Y_right= 4070;
Joystick12::Joystick12(int pinX, int pinY) { Joystick12::Joystick12(int pinX, int pinY) {
mraa_result_t error;
m_joystickCtxX = mraa_aio_init(pinX); if ( !(m_joystickCtxX = mraa_aio_init(pinX)) )
m_joystickCtxY = mraa_aio_init(pinY); {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_aio_init(pinX) failed, invalid pin?");
return;
}
if ( !(m_joystickCtxY = mraa_aio_init(pinY)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_aio_init(pinY) failed, invalid pin?");
return;
}
} }
Joystick12::~Joystick12() { Joystick12::~Joystick12() {