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itg3200: 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 12:47:46 -06:00 committed by Mihai Tudor Panu
parent 0af62a6992
commit 52274d8b10
1 changed files with 10 additions and 1 deletions
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11
src/itg3200/itg3200.cxx
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@ -23,6 +23,8 @@
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include <unistd.h>
#include "math.h"
#include "itg3200.h"
@ -64,7 +66,14 @@ using namespace upm;
Itg3200::Itg3200(int bus) : m_i2c(bus)
{
//reset chip
//init bus and reset chip
if ( !(m_i2c = mraa_i2c_init(bus)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
return;
}
m_i2c.address(ITG3200_I2C_ADDR);
m_buffer[0] = ITG3200_PWR_MGM;
m_buffer[1] = ITG3200_RESET;