BitConverter.cpp

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#include "BitConverter.h"
 
uint32_t BitConverter::ToUInt32(uint8_t* value, int startIdx)
{
    uint32_t data = value[startIdx++];
    data |= value[startIdx++] << 8;
    data |= value[startIdx++] << 16;
    data |= value[startIdx] << 24;
    return data;
}
 
uint16_t BitConverter::ToUInt16(uint8_t* value, int startIdx)
{
    uint16_t data = value[startIdx++];
    data |= value[startIdx] << 8;
    return data;
}
 
int32_t BitConverter::ToInt32(uint8_t* value, int startIdx)
{
    int32_t data = value[startIdx++];
    data |= value[startIdx++] << 8;
    data |= value[startIdx++] << 16;
    data |= value[startIdx] << 24;
    return data;
}
 
float BitConverter::Tofloat(uint8_t* value, int startIdx)
{
    union{
      uint8_t b[4];
      float     fl;
    }fl_X;  
    int inX;
    inX = startIdx;
    
    fl_X.b[0] = value[inX];
    inX++;
    fl_X.b[1] = value[inX];
    inX++;
    fl_X.b[2] = value[inX];
    inX++;
    fl_X.b[3] = value[inX];
    return fl_X.fl; 
}
 
int16_t BitConverter::ToInt16(uint8_t* value, int startIdx)
{
    int16_t data = value[startIdx++];
    data |= value[startIdx] << 8;
    return data;
}
 
void BitConverter::FloatGetBytes(uint8_t* buff, float value)
{
    union{
      uint8_t b[4];
      float     fl;
    }xfl_X;     
    
    xfl_X.fl = value;
    
    buff[0] = xfl_X.b[0];
    buff[1] = xfl_X.b[1];
    buff[2] = xfl_X.b[2];
    buff[3] = xfl_X.b[3];
}
 
void BitConverter::GetBytes(uint8_t* buff, uint32_t value)
{
    buff[0] = (uint8_t)(value & 0xFF);
    buff[1] = (uint8_t)((value >> 8) & 0xFF);
    buff[2] = (uint8_t)((value >> 16) & 0xFF);
    buff[3] = (uint8_t)((value >> 24) & 0xFF);
}
 
void BitConverter::GetBytes(uint8_t* buff, int32_t value)
{
    GetBytes(buff, static_cast<uint32_t>(value));
}
 
void BitConverter::GetBytes(uint8_t* buff, uint16_t value)
{
    buff[0] = (uint8_t)(value & 0xFF);
    buff[1] = (uint8_t)((value >> 8) & 0xFF);
}
 
void BitConverter::GetBytes(uint8_t* buff, int16_t value)
{
    GetBytes(buff, static_cast<uint16_t>(value));
}