Start VNC server (Sample)

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GUI_VNC_StartServer.c
GUI VNC StartServer.gif
File(s) required
  • GUI_VNC_StartServer.c
Runs in simulation Yes
Runs on target Yes
Download GUI_VNC_StartServer.c

This sample shows how to start a VNC server using emWin.

Code

/*********************************************************************
*                    SEGGER Microcontroller GmbH                     *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2020  SEGGER Microcontroller GmbH                *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V6.10 - 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        : GUI_VNC_StartServer.c
Purpose     : Sample that demonstrates how a emWin VNC server can be
              started.
Requirements: WindowManager - ( )
              MemoryDevices - ( )
              AntiAliasing  - ( )
              VNC-Server    - (x)
              PNG-Library   - ( )
              TrueTypeFonts - ( )
---------------------------END-OF-HEADER------------------------------
*/

#include "DIALOG.h"
#include "GUI_VNC.h"

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
#define TEXT "emWin VNC Sample"

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

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
static void _cbWin(WM_MESSAGE * pMsg) {
  WM_HWIN hItem;
  int     Id, NCode;
  char    acBuffer[32];

  switch(pMsg->MsgId) {
  case WM_CREATE:
    //
    // Create a few widgets.
    //
    hItem = EDIT_CreateEx(10, 40, 80, 20, pMsg->hWin, WM_CF_SHOW, 0, GUI_ID_EDIT0, 20);
    hItem = TEXT_CreateEx(10, 10, 150, 20, pMsg->hWin, WM_CF_SHOW, 0, GUI_ID_TEXT0, TEXT);
    TEXT_SetFont(hItem, &GUI_Font16B_1);
    hItem = BUTTON_CreateEx(100, 40, 80, 20, pMsg->hWin, WM_CF_SHOW, 0, GUI_ID_BUTTON0);
    BUTTON_SetText(hItem, "Set Text");
    break;
  case WM_PAINT:
    GUI_SetBkColor(GUI_WHITE);
    GUI_Clear();
    break;
  case WM_NOTIFY_PARENT:
    Id    = WM_GetId(pMsg->hWinSrc);
    NCode = pMsg->Data.v;
    switch(Id) {
    case GUI_ID_BUTTON0:
      switch(NCode) {
      case WM_NOTIFICATION_CLICKED:
        break;
      case WM_NOTIFICATION_RELEASED:
        hItem = WM_GetDialogItem(pMsg->hWin, GUI_ID_EDIT0);
        EDIT_GetText(hItem, acBuffer, sizeof(acBuffer));
        hItem = WM_GetDialogItem(pMsg->hWin, GUI_ID_TEXT0);
        TEXT_SetText(hItem, acBuffer);
        break;
      }
      break;
    }
    break;
  }
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  //
  // Init emWin.
  //
  GUI_Init();
  //
  // Create a window.
  //
  WM_CreateWindowAsChild(0, 0, LCD_GetXSize(), LCD_GetYSize(), WM_HBKWIN, WM_CF_SHOW, _cbWin, 0);
  //
  // Start VNC server.
  // Now, connect to the server with emVNC.exe and enter the IP of your target.
  // In case you are running this sample in the simulation, enter the IP of your computer.
  //
  GUI_VNC_X_StartServer(0, 0);

  while (1) {
    GUI_Delay(100);
  }
}

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