67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*********************************************************************
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* SEGGER MICROCONTROLLER SYSTEME GmbH *
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* Solutions for real time microcontroller applications *
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**********************************************************************
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* *
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* (c) 1996 - 2004 SEGGER Microcontroller Systeme GmbH *
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* *
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* Internet: www.segger.com Support: support@segger.com *
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* *
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**********************************************************************
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***** emWin - Graphical user interface for embedded applications *****
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emWin is protected by international copyright laws. Knowledge of the
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source code may not be used to write a similar product. This file may
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only be used in accordance with a license and should not be re-
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distributed in any way. We appreciate your understanding and fairness.
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----------------------------------------------------------------------
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File : GUIDEV_Clear.c
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Purpose : Implementation of memory devices, add. module
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---------------------------END-OF-HEADER------------------------------
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*/
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#include "GUI_Protected.h"
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#include "GUIDebug.h"
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#include <string.h>
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/* Memory device capabilities are compiled only if support for them is enabled. */
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#if GUI_SUPPORT_MEMDEV
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/*********************************************************************
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*
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* public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* GUI_MEMDEV_Clear
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*/
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void GUI_MEMDEV_Clear(GUI_MEMDEV_Handle hMem) {
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if (!hMem) {
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if ((hMem = GUI_Context.hDevData) == 0) {
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return;
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}
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}
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{
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GUI_MEMDEV* pDev;
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GUI_USAGE_h hUsage;
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GUI_LOCK();
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pDev = GUI_MEMDEV_H2P(hMem); /* Convert to pointer */
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hUsage = pDev->hUsage;
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if (hUsage) {
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GUI_USAGE* pUsage = GUI_USAGE_H2P(hUsage);
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GUI_USAGE_Clear(pUsage);
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}
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GUI_UNLOCK();
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}
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}
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#else
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void GUIDEV_Clear(void) {} /* avoid empty object files */
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#endif /* GUI_MEMDEV_SUPPORT */
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/*************************** end of file ****************************/
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