bytestream.c

本程序为ST公司开发的源代码

/*****************************************************************************/
/*                                                                           */
/* <C> STMicroelectronics - copyright information                            */
/*                                                                           */
/*                                                                           */
/* COMMENT }DOCUMENTATION                                                    */
/* File Name     :: bytestream.c                                             */
/* Creation Date :: September 2005                                           */
/* Author        :: Ondrej Trubac                                            */
/* Version       :: $Revision: 1.5 $                                         */
/* Last change   :: $Date: 2006/09/18 09:55:22 $ by $Author: belardi $ */
/* Description   :: Bytestream reading,writing                               */
/* }                                                                         */
/*****************************************************************************/
/***************************************************
 *
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ****************************************************
 *
 * STM CVS Log:
 *
 * $Log: bytestream.c,v $
 * Revision 1.5  2006/09/18 09:55:22  belardi
 * Corrected CVS keyword usage
 *
 * Revision 1.4  2006/09/18 09:24:02  belardi
 * Added Log CVS keyword into file header
 *
 *
 ***************************************************/

#include "accordoptypes.h" //"aptypes.h"

uint16 BYTEREAD16(uint8 *buf, uint32 pos)
{
  uint16 val;

  val = (((uint16)(buf[pos])) << 8) + (uint16)(buf[pos + 1]);
  return val;
}

uint32 BYTEREAD24(uint8 *buf, uint32 pos)
{
  uint32 val;

  val = (((uint32)(buf[pos])) << 16) + (((uint32)(buf[pos + 1])) << 8) + (uint32)(buf[pos + 2]);

  return val;
}

uint32 BYTEREAD32(uint8 *buf, uint32 pos)
{
  uint32 val;

  val = (((uint32)(buf[pos])) << 24)
      + (((uint32)(buf[pos + 1])) << 16)
      + (((uint32)(buf[pos + 2])) << 8)
      + (uint32)(buf[pos + 3]);

  return val;
}