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#include <boost/crc.hpp>
#include <boost/config.hpp>
extern "C"
{
short crc14 (unsigned char const * data, int length);
bool crc14_check (unsigned char const * data, int length);
}
#define POLY 0x2757
#ifdef BOOST_NO_CXX11_CONSTEXPR
#define TRUNCATED_POLYNOMIAL POLY
#else
namespace
{
unsigned long constexpr TRUNCATED_POLYNOMIAL = POLY;
}
#endif
// assumes CRC is last 14 bits of the data and is set to zero
// caller should assign the returned CRC into the message in big endian byte order
short crc14 (unsigned char const * data, int length)
{
return boost::augmented_crc<14, TRUNCATED_POLYNOMIAL> (data, length);
}
bool crc14_check (unsigned char const * data, int length)
{
return !boost::augmented_crc<14, TRUNCATED_POLYNOMIAL> (data, length);
}
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