gui__read.c

ucgui3.90a

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : GUI__ReadData.c
Purpose     : Implementation of reading data
---------------------------END-OF-HEADER------------------------------
*/

#include "GUI_Protected.h"

/*********************************************************************
*
*       Exported code
*
**********************************************************************
*/
/*********************************************************************
*
*       GUI__Read16
*/
U16 GUI__Read16(const U8 ** ppData) {
  const U8 * pData;
  U16  Value;
  pData = *ppData;
  Value = *pData;
  Value |= (U16)(*(pData + 1) << 8);
  pData += 2;
  *ppData = pData;
  return Value;
}

/*********************************************************************
*
*       GUI__Read32
*/
U32 GUI__Read32(const U8 ** ppData) {
  const U8 * pData;
  U32  Value;
  pData = *ppData;
  Value = *pData;
  Value |= (     *(pData + 1) << 8);
  Value |= ((U32)*(pData + 2) << 16);
  Value |= ((U32)*(pData + 3) << 24);
  pData += 4;
  *ppData = pData;
  return Value;
}