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max44000: 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 14:11:06 -06:00 committed by Mihai Tudor Panu
parent d0d89b579d
commit ab20e34c59
1 changed files with 11 additions and 1 deletions
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12
src/max44000/max44000.cxx
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@ -23,6 +23,8 @@
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include <unistd.h>
#include <stdlib.h>
@ -36,9 +38,17 @@ MAX44000::MAX44000 (int bus, int devAddr) : m_i2cMaxControlCtx(bus) {
m_maxControlAddr = devAddr;
m_bus = bus;
if ( !(m_i2cMaxControlCtx = mraa_i2c_init(m_bus)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
return;
}
mraa::Result ret = m_i2cMaxControlCtx.address(m_maxControlAddr);
if (ret != mraa::SUCCESS) {
fprintf(stderr, "Messed up i2c bus\n");
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_address() failed");
}
// i2cWriteReg (MCR, 0x2C);