gui_pid.c

很不错的基于UCOS2的GUI源码

/*
*********************************************************************************************************
*                                                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_PID.C
Purpose     : PID (Pointer input device) management
----------------------------------------------------------------------
*/


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "LCD_Private.h"      /* private modul definitions & config */
#include "GUI_Protected.h"

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/

static GUI_PID_STATE _State;

/*********************************************************************
*
*       GUI_PID_Load

  If the window manager is available, write the function pointer for
  the PID handler.
*/

void GUI_PID_Load(void) {
  #if (GUI_WINSUPPORT)
    WM_pfHandlePID = WM_HandlePID;
  #endif
}


/*********************************************************************
*
*       GUI_PID_GetState
*/

int GUI_PID_GetState(GUI_PID_STATE *pState) {
  *pState = _State;
  return (pState->Pressed != 0) ? 1 : 0;
}

/*********************************************************************
*
*       GUI_PID_StoreState
*/
void GUI_PID_StoreState(const GUI_PID_STATE *pState) {
  GUI_PID_Load();
  _State = *pState;
}


/*********************************************************************
*
*          GUI_PID_Init
*/
void GUI_PID_Init(void) {}

/*************************** End of file ****************************/