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删除文件HMI/src/HMI_Engine.c.save-failed
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/*************************************************************************/
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/** Copyright. **/
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/** FileName: HMI_Process.c **/
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/** Author: Polarix **/
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/** Version: 1.0.0.0 **/
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/** Description: This file provides ActionMap interface function. **/
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/*************************************************************************/
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//=======================================================================//
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//= Include files. =//
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//=======================================================================//
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#include "HMI_Engine.h"
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//=======================================================================//
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//= Static variable declaration. =//
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//=======================================================================//
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static HMI_ENGINE_OBJECT* g_pstActivedEngineObject;
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//=======================================================================//
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//= Static function declaration. =//
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//=======================================================================//
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static inline HMI_SCREEN_OBJECT* HMI_GetScreenObjectInEngine(HMI_ENGINE_OBJECT* pstHMIEngineObject, SGUI_INT iScreenID);
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//=======================================================================//
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//= Function implementation. =//
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//=======================================================================//
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/*****************************************************************************/
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/** Function Name: HMI_PrepareEngine. **/
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/** Purpose: Initialize HMI engine object. **/
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/** Params: **/
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/** @pstHMIEngineObject[in]: Engine object pointer. **/
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/** @pstScreenObject[in]: Screen object pointer. **/
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/** Return: HMI_ENGINE_RESULT **/
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/** @HMI_RET_NORMAL: Add success. **/
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/** Notice: HMI engine object must prepared by this function before **/
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/** used. **/
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/*****************************************************************************/
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HMI_ENGINE_RESULT HMI_PrepareEngine(HMI_ENGINE_OBJECT* pstHMIEngineObject, HMI_SCREEN_OBJECT* pstScreenObject)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_ENGINE_RESULT eProcessResult;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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eProcessResult = HMI_RET_NORMAL;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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if(NULL != pstHMIEngineObject)
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{
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// Clean HMI engine object memory area.
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SGUI_Common_MemorySet(pstHMIEngineObject, 0x00, sizeof(HMI_ENGINE_OBJECT));
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// Initialize engine object data,
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pstHMIEngineObject->ScreenCount = 0;
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pstHMIEngineObject->State = HMI_ENGINE_STATE_READY;
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}
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return eProcessResult;
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}
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/*****************************************************************************/
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/** Function Name: HMI_AddScreen **/
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/** Purpose: Add a screen object to a existed HMI engine object. **/
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/** Params: **/
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/** @pstHMIEngineObject[in]: Engine object pointer. **/
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/** @pstScreenObject[in]: Screen object pointer. **/
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/** Return: HMI_ENGINE_RESULT **/
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/** @HMI_RET_NORMAL: Add success. **/
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/** @HMI_RET_NO_SPACE: No blank element in engine object for new screen. **/
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/** Notice: The engine object only record pointer of the screen **/
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/** object, so please keep the memory area is usable during **/
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/** processing. **/
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/*****************************************************************************/
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HMI_ENGINE_RESULT HMI_AddScreen(HMI_ENGINE_OBJECT* pstHMIEngineObject, HMI_SCREEN_OBJECT* pstScreenObject)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_ENGINE_RESULT eProcessResult;
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SGUI_INT iIndex;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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eProcessResult = HMI_RET_NORMAL;
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iIndex = 0;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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if((NULL != pstHMIEngineObject) && (NULL != pstScreenObject))
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{
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// Looking for the blank element in array.
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while(iIndex < pstHMIEngineObject->ScreenCount)
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{
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if(NULL != pstHMIEngineObject->Screen)
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{
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break;
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}
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else
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{
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iIndex++;
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}
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}
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if(iIndex < pstHMIEngineObject->ScreenCount)
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{
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// Add screen object pointer to engine.
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pstHMIEngineObject->Screen[iIndex] = pstScreenObject;
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pstHMIEngineObject->ScreenCount++;
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}
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else
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{
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// No blank element in array, screen object add failed.
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eProcessResult = HMI_RET_NO_SPACE;
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}
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}
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return eProcessResult;
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}
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/*****************************************************************************/
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/** Function Name: HMI_ActiveEngine **/
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/** Purpose: Set a HMI engine object to the activated state. **/
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/** Params: **/
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/** @pstHMIEngineObject[in]: The pointer of the engine object will active. **/
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/** @iScreenID[in]: Specif a screen ID, this screen will be show first **/
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/** when engine start, for HMI_SCREEN_ID_ANY to keep **/
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/** last screen when this engine activated, and if the **/
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/** screen not add into the engine object, the error **/
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/** HMI_RET_INVALID_DATA will be returned. **/
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/** Return: HMI_ENGINE_RESULT **/
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/** @HMI_RET_NORMAL: Engine activated. **/
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/** @HMI_RET_ERROR_STATE: Current engine object is in processing. **/
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/** @HMI_RET_INVALID_DATA: Specified screen ID is invalid or not add to **/
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/** this engine. **/
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/** Notice: The process event will post to the activated engine. **/
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/*****************************************************************************/
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HMI_ENGINE_RESULT HMI_ActiveEngine(HMI_ENGINE_OBJECT* pstHMIEngineObject, SGUI_INT iScreenID)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_ENGINE_RESULT eProcessResult;
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HMI_SCREEN_OBJECT* pstScreenObject;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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eProcessResult = HMI_RET_NORMAL;
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pstScreenObject = NULL;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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if(NULL != g_pstActivedEngineObject)
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{
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if(HMI_ENGINE_STATE_INPROCESS == g_pstActivedEngineObject->State)
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{
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// Current engine is already in processing, cannot active others.
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eProcessResult = HMI_RET_ERROR_STATE;
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}
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else if(HMI_SCREEN_ID_ANY != iScreenID)
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{
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pstScreenObject = HMI_GetScreenObjectInEngine(pstHMIEngineObject, iScreenID);
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if(NULL != pstScreenObject)
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{
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g_pstActivedEngineObject = pstHMIEngineObject;
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g_pstActivedEngineObject->CurrentScreenID = pstScreenObject->ScreenID;
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}
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else
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{
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eProcessResult = HMI_RET_INVALID_DATA;
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}
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}
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}
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return eProcessResult;
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}
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/*****************************************************************************/
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/** Function Name: HMI_StartEngine **/
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/** Purpose: Start HMI engine and show screen display. **/
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/** Params: None. **/
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/** Return: HMI_ENGINE_RESULT **/
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/** @HMI_RET_NORMAL: Engine activated. **/
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/** @HMI_RET_ERROR_STATE: Current engine object is in processing. **/
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/** @HMI_RET_INVALID_DATA: Specified screen ID is invalid or not add to **/
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/** this engine. **/
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/** Notice: The process event will post to the activated engine. **/
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/** Notice: Screen will only refresh when pstPreProcessData is NULL **/
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/*****************************************************************************/
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HMI_ENGINE_RESULT HMI_StartEngine(const void* pstParameters)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_ENGINE_RESULT eProcessResult;
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HMI_SCREEN_OBJECT* pstStartScreen;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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eProcessResult = HMI_RET_NORMAL;
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pstStartScreen = NULL;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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if(NULL != g_pstActivedEngineObject)
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{
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if(HMI_ENGINE_STATE_READY != g_pstActivedEngineObject->State)
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{
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// Engine not initialized.
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eProcessResult = HMI_RET_ERROR_STATE;
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}
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else
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{
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// Prepare and display screen.
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pstStartScreen = HMI_GetScreenObjectInEngine(g_pstActivedEngineObject, g_pstActivedEngineObject->CurrentScreenID);
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if(NULL == pstStartScreen)
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{
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// Screen object not add in this engine.
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eProcessResult = HMI_RET_INVALID_DATA;
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}
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else
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{
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g_pstActivedEngineObject->State = HMI_ENGINE_STATE_INPROCESS;
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if(NULL != pstStartScreen->Actions)
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{
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if(NULL != pstStartScreen->Actions->Prepare)
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{
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pstStartScreen->Actions->Prepare(pstParameters);
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}
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}
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g_pstActivedEngineObject->State = HMI_ENGINE_STATE_READY;
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}
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}
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}
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else
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{
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// No activated HMI engine object.
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eProcessResult = HMI_RET_INVALID_DATA;
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}
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return eProcessResult;
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}
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/*****************************************************************************/
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/** Function Name: HMI_ProcessEvent **/
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/** Purpose: Receive posted event and post to screen object. **/
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/** Params: **/
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/** @uiDestScreenID: Screen ID witch will be going to. **/
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/** @pstPreProcessData: New screen initialize data. **/
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/** Return: None. **/
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/** Notice: Screen will only refresh when pstPreProcessData is NULL **/
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/*****************************************************************************/
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HMI_ENGINE_RESULT HMI_ProcessEvent(HMI_EVENT eEvent, const void* pstParameters)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_ENGINE_RESULT eProcessResult;
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SGUI_INT iIndex;
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HMI_SCREEN_OBJECT* pstCurrentScreen;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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eProcessResult = HMI_RET_NORMAL;
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pstStartScreen = NULL;
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iIndex = 0;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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if(NULL != g_pstActivedEngineObject)
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{
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if(HMI_ENGINE_STATE_READY != g_pstActivedEngineObject->State)
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{
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// Engine not initialized.
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eProcessResult = HMI_RET_ERROR_STATE;
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}
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else
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{
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g_pstActivedEngineObject->State = HMI_ENGINE_STATE_INPROCESS;
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pstCurrentScreen = HMI_GetScreenObjectInEngine(g_pstActivedEngineObject, g_pstActivedEngineObject->CurrentScreenID);
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if(NULL == pstCurrentScreen)
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g_pstActivedEngineObject->State = HMI_ENGINE_STATE_READY;
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}
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}
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else
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{
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// No activated HMI engine object.
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eProcessResult = HMI_RET_INVALID_DATA;
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}
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return eProcessResult;
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}
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/*****************************************************************************/
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/** Function Name: HMI_Action_Goto **/
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/** Purpose: Turn to a screen with screen index. **/
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/** Resources: Screen data structure and action process function. **/
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/** Params: **/
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/** @uiDestScreenID: Screen ID witch will be going to. **/
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/** @pstPreProcessData: New screen initialize data. **/
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/** Return: None. **/
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/** Notice: Screen will only refresh when pstPreProcessData is NULL **/
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/*****************************************************************************/
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void HMI_Action_Goto(SGUI_INT uiDestScreenID, const void* pstPreProcessData)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_SCREEN* pstScreen;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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// Add current screen ID to history stack.
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if(true == HMICore_ScreenDataProc())
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{
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// Set destination screen.
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HMICore_SetCurrentScreenProc(uiDestScreenID);
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pstScreen = HMICore_GetCurrentScreenProc();
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if(NULL != pstScreen->Actions->Initialize)
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{
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pstScreen->Actions->Initialize();
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}
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if(NULL != pstScreen->Actions->PreProcess)
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{
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pstScreen->Actions->PreProcess(pstPreProcessData);
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}
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pstScreen->Actions->RefreshScreen();
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}
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else
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{
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// Stack is full, push history failed.
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}
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}
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/*****************************************************************************/
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/** Function Name: HMI_Action_PopScreen **/
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/** Purpose: Pop a screen and on included in history record. **/
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/** Resources: Screen data structure and action process function. **/
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/** Params: **/
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/** @uiDestScreenID: Screen ID witch will be going to. **/
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/** @pstPreProcessData: Pop screen initialize data. **/
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/** Return: None. **/
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/** Notice: Screen will only refresh when pstPreProcessData is NULL **/
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/*****************************************************************************/
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void HMI_Action_PopScreen(SGUI_INT iPopScreenID, void* pstPreProcessData)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_SCREEN* pstScreen;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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// Add current screen ID to history stack.
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if(true == HMICore_ScreenDataProc())
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{
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pstScreen = HMICore_GetScreenDataPtr(iPopScreenID);
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if(NULL != pstScreen->Actions->Initialize)
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{
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pstScreen->Actions->Initialize();
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}
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if(NULL != pstScreen->Actions->PreProcess)
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{
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pstScreen->Actions->PreProcess(pstPreProcessData);
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}
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pstScreen->Actions->InternalEventProcess(iPopScreenID, pstPreProcessData);
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}
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else
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{
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// Stack is full, push history failed.
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}
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}
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/*****************************************************************************/
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/** Function Name: HMI_Action_GoBack. **/
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/** Purpose: Go back to previous screen in actions history. **/
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/** Resources: Screen data structure and action process function. **/
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/** Params: **/
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/** @pstPreProcessData: Update screen data. **/
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/** Return: None. **/
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/** Notice: Screen will only refresh when pstPreProcessData is NULL **/
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/*****************************************************************************/
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void HMI_Action_GoBack(void)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_SCREEN* pstScreen;
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SGUI_INT uiLastScreenID;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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uiLastScreenID = HMICore_PopHistoryProc();
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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HMICore_SetCurrentScreenProc(uiLastScreenID);
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pstScreen = HMICore_GetCurrentScreenProc();
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if(NULL != pstScreen)
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{
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pstScreen->Actions->RefreshScreen();
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}
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}
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HMI_SCREEN_OBJECT* HMI_GetScreenObjectInEngine(HMI_ENGINE_OBJECT* pstHMIEngineObject, SGUI_INT iScreenID)
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{
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/*----------------------------------*/
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/* Variable Declaration */
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/*----------------------------------*/
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HMI_SCREEN_OBJECT* pstScreenObject;
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SGUI_INT iIndex;
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/*----------------------------------*/
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/* Initialize */
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/*----------------------------------*/
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pstScreenObject = NULL;
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iIndex = 0;
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/*----------------------------------*/
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/* Process */
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/*----------------------------------*/
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if(NULL != pstHMIEngineObject)
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{
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while(iIndex < pstHMIEngineObject->ScreenCount)
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{
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if(iScreenID == pstHMIEngineObject->Screen[iIndex]->ScreenID)
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{
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pstScreenObject = pstHMIEngineObject->Screen[iIndex];
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break;
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}
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else
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{
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iIndex++;
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}
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}
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}
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return pstScreenObject;
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}
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