adc121c021: 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 14:56:38 -06:00 committed by Mihai Tudor Panu
parent 0566b4f995
commit b0ac4b5da2

View File

@ -24,6 +24,7 @@
#include <iostream>
#include <string>
#include <stdexcept>
#include "adc121c021.h"
@ -35,13 +36,23 @@ ADC121C021::ADC121C021(int bus, uint8_t address, float vref)
{
// setup our i2c link
m_i2c = mraa_i2c_init(bus);
if ( !(m_i2c = mraa_i2c_init(bus)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
return;
}
m_addr = address;
mraa_result_t ret = mraa_i2c_address(m_i2c, m_addr);
if (ret != MRAA_SUCCESS)
cerr << "ADC121C021: Could not initialize i2c bus. " << endl;
if (ret != MRAA_SUCCESS)
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_address() failed");
return;
}
m_vref = vref;
}