amtec_conversion.c

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/*********************************************************************
 *
 * Software License Agreement (BSD License)
 *
 *  Copyright (c) 2008, Robert Bosch LLC.
 *  All rights reserved.
 *
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 *
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 *     notice, this list of conditions and the following disclaimer.
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 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
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#include "amtec_conversion.h"

int ParamBytes(int type)
{
  switch(type) {
  case INT8:
    return(1);
    break;
  case UINT8:
    return(1);
    break;
  case INT16:
    return(2);
    break;
  case UINT16:
    return(2);
    break;
  case INT32:
    return(4);
    break;
  case UINT32:
    return(4);
    break;
  case FLOAT:
    return(4);
    break;
  }
  return(0);
}

/* CONVERSION BYTES -> NUM */

char convertBytes2Int8(unsigned char *bytes)
{
  char i;
  memcpy(&i, bytes, sizeof(char));
  return(i);
}

unsigned char convertBytes2UInt8(unsigned char *bytes)
{
  unsigned char i;
  memcpy(&i, bytes, sizeof(unsigned char));
  return(i);
}

short convertBytes2Int16(unsigned char *bytes)
{
  short i;
  memcpy(&i, bytes, sizeof(short));
  return(i);
}

unsigned short convertBytes2UInt16(unsigned char *bytes)
{
  unsigned short i;
  memcpy(&i, bytes, sizeof(unsigned short));
  return(i);
}

int convertBytes2Int32(unsigned char *bytes)
{
  int i;
  memcpy(&i, bytes, sizeof(int));
  return(i);
}

unsigned int convertBytes2UInt32(unsigned char *bytes)
{
  unsigned int i;
  memcpy(&i, bytes, sizeof(unsigned int));
  return(i);
}

float convertBytes2Float(unsigned char *bytes)
{
  float f;
  memcpy(&f, bytes, sizeof(float));
  return(f);
}

/* CONVERSION NUM -> BYTES */

void convertInt8(char i, unsigned char *bytes)
{
  memcpy(bytes, &i, sizeof(char));
}

void convertUInt8(unsigned char i, unsigned char *bytes)
{
  memcpy(bytes, &i, sizeof(unsigned char));
}

void convertInt16(short i, unsigned char *bytes)
{
  memcpy(bytes, &i, sizeof(short));
}

void convertUInt16(unsigned short i, unsigned char *bytes)
{
  memcpy(bytes, &i, sizeof(unsigned short));
}

void convertInt32(int i, unsigned char *bytes)
{
  memcpy(bytes, &i, sizeof(int));
}

void convertUInt32(unsigned int i, unsigned char *bytes)
{
  memcpy(bytes, &i, sizeof(unsigned int));
}

void convertFloat(float f, unsigned char *bytes)
{
  memcpy(bytes, &f, sizeof(float));
}