ttp223: throw exception(s) on fatal errors

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 12:06:39 -06:00 committed by Mihai Tudor Panu
parent 427dd6e851
commit fbbc0de6fb

View File

@ -22,14 +22,21 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <string>
#include <stdexcept>
#include "ttp223.h"
using namespace upm;
TTP223::TTP223(unsigned int pin) {
// initialize gpio input
mraa_init();
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);
m_name = "ttp223";
}