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am2315: 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 2015-09-09 15:46:15 -06:00 committed by Mihai Tudor Panu
parent da49741527
commit 1617b03d3d
1 changed files with 11 additions and 2 deletions
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13
src/am2315/am2315.cpp
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@ -22,6 +22,8 @@
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
@ -46,11 +48,18 @@ AM2315::AM2315(int bus, int devAddr) {
m_base_priority = sched_getscheduler(0);
m_i2ControlCtx = mraa_i2c_init(m_bus);
if ( !(m_i2ControlCtx = mraa_i2c_init(m_bus)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
return;
}
mraa_result_t ret = mraa_i2c_address(m_i2ControlCtx, m_controlAddr);
if (ret != MRAA_SUCCESS) {
fprintf(stderr, "%s: Error accessing i2c bus\n", m_name);
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_address() failed");
return;
}
m_model = i2cReadReg_16(AM2315_MODEL);
m_version = i2cReadReg_8(AM2315_VERSION);