LibEndian.cpp

//------------------------------------------------------------------------------
//This file is part of embKernel. 
//See license.txt for the full license governing this code.
//------------------------------------------------------------------------------

#include "LibEndian.hpp"

#if LIB_CFG_LITTLE_ENDIAN
uint16_t LibEndian::beToHw(uint16_t value) {
    uint16_t result;

    uint8_t* dst = (uint8_t*) &result;
    uint8_t* src = (uint8_t*) &value;

    dst[0] = src[1];
    dst[1] = src[0];

    return result;
}

uint32_t LibEndian::beToHw(uint32_t value) {
    uint32_t result;

    uint8_t* dst = (uint8_t*) &result;
    uint8_t* src = (uint8_t*) &value;

    dst[0] = src[3];
    dst[1] = src[2];
    dst[2] = src[1];
    dst[3] = src[0];

    return result;
}

uint16_t LibEndian::hwToBe(uint16_t value) {
    return beToHw(value);
}

uint32_t LibEndian::hwToBe(uint32_t value) {
    return beToHw(value);
}
#else
uint16_t LibEndian::leToHw(uint16_t value) {
    uint16_t result;

    uint8_t* dst = (uint8_t*) &result;
    uint8_t* src = (uint8_t*) &value;

    dst[0] = src[1];
    dst[1] = src[0];

    return result;
}

uint32_t LibEndian::leToHw(uint32_t value) {
    uint32_t result;

    uint8_t* dst = (uint8_t*) &result;
    uint8_t* src = (uint8_t*) &value;

    dst[0] = src[3];
    dst[1] = src[2];
    dst[2] = src[1];
    dst[3] = src[0];

    return result;
}

uint16_t LibEndian::hwToLe(uint16_t value) {
    return leToHw(value);
}

uint32_t LibEndian::hwToLe(uint32_t value) {
    return leToHw(value);
}
#endif