Server.inl

/*
 * Copyright(c) Sophist Solutions, Inc. 1990-2025.  All rights reserved
 */
#include "Stroika/Foundation/Common/Endian.h"
#include "Stroika/Foundation/Debug/Assertions.h"
 
namespace Stroika::Frameworks::Modbus {
 
    /*
     ********************************************************************************
     *************************** Modbus::SplitSrcAcrossOutputs **********************
     ********************************************************************************
     */
    template <typename MODBUS_REGISTER_DESCRIPTOR, typename SRC_TYPE>
    void SplitSrcAcrossOutputs (const SRC_TYPE& s, typename MODBUS_REGISTER_DESCRIPTOR::NameType baseRegister,
                                Containers::Mapping<typename MODBUS_REGISTER_DESCRIPTOR::NameType, typename MODBUS_REGISTER_DESCRIPTOR::ValueType>* update)
    {
        using VT                 = typename MODBUS_REGISTER_DESCRIPTOR::ValueType;
        constexpr size_t kNElts_ = sizeof (SRC_TYPE) / sizeof (VT);
        static_assert (kNElts_ * sizeof (VT) == sizeof (SRC_TYPE), ""); // only works if divides evenly
        RequireNotNull (update);
        const VT* arr = reinterpret_cast<const VT*> (&s);
        for (size_t i = 0; i < kNElts_; ++i) {
            // high order addressed elements first - big endian (@todo - is there a better way to byte swap if needed - in general case)?
            update->Add (baseRegister + i, arr[(Common::GetEndianness () == Common::Endian::eLittle) ? (kNElts_ - i - 1) : i]);
        }
    }
 
}