46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI 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 redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : GUI_SelectLayer.c.C
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Purpose : Selection of Layer
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---------------------------END-OF-HEADER------------------------------
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*/
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#include <stddef.h> /* needed for definition of NULL */
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#include "GUI_Private.h"
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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_SelectLayer
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*/
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unsigned int GUI_SelectLayer(unsigned int Index) {
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unsigned int OldIndex;
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GUI_LOCK();
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OldIndex = GUI_Context.SelLayer;
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if (Index < GUI_NUM_LAYERS) {
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GUI_Context.SelLayer = Index;
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GUI_SelectLCD();
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}
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GUI_UNLOCK();
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return OldIndex;
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}
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/*************************** End of file ****************************/
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