ProtocolDecoderStatic/BaseHelper/datacheckhelper.cc

// // ******************************************************************
// //       /\ /|       @File         datacheckhelper.cc
// //       \ V/        @Brief
// //       | "")       @Author        lijinwen, ghz005@uni-trend.com.cn
// //       /  |        @Creation      2024-05-16
// //      /  \\        @Modified      2024-06-24
// //    *(__\_\
// // ******************************************************************

#include "data_check_helper.h"

#include <cmath>

#include "Constants.h"

namespace Protocol
{
    bool DataCheckHelper::CheckDataByOddEven(uint8_t data, int32_t data_bit_count,
                                             const OddEvenCheck check_type)
    {
        if (check_type == OddEvenCheck::None) return true;
        bool temp = false;

        while (data_bit_count > 0)
        {
            temp ^= ((data & 0b01) == 1);
            data >>= 1;
            data_bit_count--;
        }

        if (check_type == OddEvenCheck::Odd) temp = !temp;
        return temp;
    }
    bool DataCheckHelper::CheckDoubleIsEqual(const double a, const double b)
    {
        return fabs(a - b) < FLOAT_EQUAL_EPSILON;
    }
}