guidev_getysize.c

来自「ucos 移植 stm32 在iar5.2通过运行良好」· C语言 代码 · 共 63 行

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2004  SEGGER Microcontroller Systeme GmbH        *
*                                                                    *
*        Internet: www.segger.com    Support:  [e-mail]    *
*                                                                    *
**********************************************************************

***** emWin - Graphical user interface for embedded applications *****
emWin 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 re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : GUIDEV_GetYSize.c
Purpose     : Implementation of memory devices, add. module
---------------------------END-OF-HEADER------------------------------
*/


#include <string.h>
#include "GUI_Protected.h"
#include "GUIDebug.h"

/* Memory device capabilities are compiled only if support for them is enabled. */ 
#if GUI_SUPPORT_MEMDEV

/*********************************************************************
*
*       public code
*
**********************************************************************
*/
/*********************************************************************
*
*       GUI_MEMDEV_GetYSize
*/
int GUI_MEMDEV_GetYSize(GUI_MEMDEV_Handle hMem) {
  int r = 0;
  GUI_MEMDEV* pDevData;
  GUI_LOCK();
  if (hMem == 0) {
    hMem = GUI_Context.hDevData;
  }
  if (hMem) {
    pDevData = (GUI_MEMDEV*) GUI_ALLOC_h2p(hMem);  /* Convert to pointer */
    r = pDevData->YSize;
  }
  GUI_UNLOCK();
  return r;
}

#else

void GUIDEV_GetYSize(void) {} /* avoid empty object files */

#endif /* GUI_MEMDEV_SUPPORT */

/*************************** end of file ****************************/