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ppd42ns: 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 2015-09-08 15:43:52 -06:00 committed by Mihai Tudor Panu
parent 1ea36c6f89
commit 74cbc25f21
1 changed files with 9 additions and 1 deletions
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10
src/ppd42ns/ppd42ns.cxx
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@ -23,6 +23,8 @@
*/ */
#include <iostream> #include <iostream>
#include <string>
#include <stdexcept>
#include <stddef.h> #include <stddef.h>
#include <stdio.h> #include <stdio.h>
#include <time.h> #include <time.h>
@ -34,7 +36,13 @@ using namespace upm;
PPD42NS::PPD42NS(int pin) PPD42NS::PPD42NS(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); mraa_gpio_dir(m_gpio, MRAA_GPIO_IN);
} }