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ht9170: 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 2015-09-10 12:21:57 -06:00 committed by Mihai Tudor Panu
parent 9421cdaf30
commit 69bd77dd30
1 changed files with 12 additions and 5 deletions
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17
src/ht9170/ht9170.cxx
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@ -23,6 +23,8 @@
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include "ht9170.h"
@ -34,35 +36,40 @@ HT9170::HT9170(int dr, int o1, int o2, int o3, int o4)
// init the gpio's we will need
if ( !(m_dr = mraa_gpio_init(dr)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init(dr) failed" << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(dr) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_dr, MRAA_GPIO_IN);
if ( !(m_o1 = mraa_gpio_init(o1)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init(o1) failed" << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(o1) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_o1, MRAA_GPIO_IN);
if ( !(m_o2 = mraa_gpio_init(o2)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init(o2) failed" << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(o2) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_o2, MRAA_GPIO_IN);
if ( !(m_o3 = mraa_gpio_init(o3)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init(o3) failed" << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(o3) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_o3, MRAA_GPIO_IN);
if ( !(m_o4 = mraa_gpio_init(o4)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init(o4) failed" << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(o4) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_o4, MRAA_GPIO_IN);