gui_task.c

基于S3C44B0的嵌入式系统设计与开发实例详解的部分源代码

/*
*********************************************************************************************************
*                                                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        : GUIDEMO_Touch
Purpose     : Touch demo
---------------------------END-OF-HEADER------------------------------
*/
#include	"..\ucos-ii\includes.h"  
#include   "..\gui\core\GUI.h"
#include   "..\gui\core\LCD_ConfDefaults.h"      /* valid LCD configuration */
#include   "..\guiapp\GUIDEMO.h"
#include   "..\gui\widget\Button.h"
#include   "..\gui\widget\Edit.h"
#include   "..\gui\widget\Progbar.h"
#include   "..\fat16\fat16.h"

//#if (GUI_WINSUPPORT && GUI_SUPPORT_TOUCH)

#define countof(Obj) (sizeof(Obj)/sizeof(Obj[0]))
#define SEND_ID   0x80
#define CAPS_ID   0x81
#define SAVE_ID   0x82
#define L1_ID     0x83
#define L2_ID     0x84
#define L3_ID     0x85
#define CLEAR_ID  0x86

#define NULL   0

extern  OS_EVENT    *TCPTaskMbox;
extern  OS_EVENT    *GUITaskMbox;
extern  int FileNum;

/*********************************************************************
*
*       _ExecKeyboard
*
**********************************************************************

This creates a sample keyboard.
The routine returns after ENTER or ESC has been pressed.
*/

//#if (LCD_XSIZE == 320) && (LCD_YSIZE == 240)

static char _acText[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '='
                          , 0, 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P'
                          , 2, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ';'
						  ,' ','Z', 'X', 'C', 'V', 'B', 'N', 'M', ',', '.', '/'
						  ,' ', ' ',' ', ' ', ' ', ' ', ' ', ' '
};


void GUI_Task(void) {
  int i,x;
  int Key;
  unsigned char capsflg=0, rcvflg=0;
  char *txmsg="";
  int *rxmsg;
  char *msg,*text="";
    
  BUTTON_Handle ahButton[52];
  BUTTON_Handle hButtonESC;
  BUTTON_Handle hButtonSend;
  BUTTON_Handle hButtonSave;
  EDIT_Handle   hEdit;
  PROGBAR_Handle hProgBar;
    
  GUI_RECT rText = {5,0, 320, 20};
  
  GUI_SetBkColor(GUI_BLUE);  
  GUI_Clear();
//  GUI_DrawBitmap(&bmMicriumLogoWRed, 5, 5); 
  //GUI_SetFont(&GUI_FontHZ12);
  GUI_SetFont(&GUI_FontComic24B_ASCII);
  GUI_SetColor(GUI_WHITE);
  GUI_DispStringInRect("PDA test", &rText, GUI_TA_LEFT | GUI_TA_VCENTER);
  rText.y0 +=20;
  rText.y1 +=20;
  //GUI_DispStringInRect("Touch screen demo", &rText, GUI_TA_RIGHT | GUI_TA_VCENTER);
  /* Create Keyboard Buttons */
  for (i=0; i< 47; i++) {
    int Pos = (i < 47) ? i : i+4;
    int x0 = 5  + 28*(Pos%11);
    int y0 = 100 + 28*(Pos/11);
    char c = _acText[i];
    int Id = c ? c : 1;
    char ac[2] = {0};
    char *s= ac;
    ac[0] = c;
    if(i==10)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, GUI_ID_BACKSPACE,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "Bsp");
    }
    else if(i==11)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, GUI_ID_SHIFT,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "Sft");
    }
    else if(i==22)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, CAPS_ID,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "Cap");
    }
     else if(i==33)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, GUI_ID_CONTROL,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "Ctr");
    }
    else if(i==44)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, L1_ID,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "L1");
    }
    else if(i==45)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, L2_ID,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "L2");
    }
    else if(i==46)
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, L3_ID,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], "L3");
    }
    else
    {
            ahButton[i] = BUTTON_Create( x0, y0, 25, 25, Id,BUTTON_CF_SHOW );
            BUTTON_SetText   (ahButton[i], s);
    }
    #if GUI_SUPPORT_MEMDEV
      BUTTON_EnableMemdev(ahButton[i]);
    #endif
  }
     
  ahButton[i] = BUTTON_Create( 89, 212, 109, 25, ' ',BUTTON_CF_SHOW );
  
  hButtonESC = BUTTON_Create( 220, 70, 80, 25, CLEAR_ID,BUTTON_CF_SHOW );
  BUTTON_SetText   (hButtonESC, "Clear");
  
  hButtonSave = BUTTON_Create( 130, 70, 80, 25, SAVE_ID,BUTTON_CF_SHOW );
  BUTTON_SetText   (hButtonSave, "Save");
  
  hButtonSend = BUTTON_Create( 40, 70, 80, 25, SEND_ID,BUTTON_CF_SHOW );
  BUTTON_SetText   (hButtonSend, "Send");
  
  hEdit = EDIT_Create( 5, 40, 310, 25, ' ', 80, 0 );
  EDIT_SetFont(hEdit, &GUI_Font8x16);
//  BUTTON_SetBkColor(ahButton[49], 0, GUI_RED);
//  BUTTON_SetBkColor(ahButton[50], 0, GUI_BLUE);
    
  /* Handle Keyboard until ESC or ENTER is pressed */
  do {
       	//GUI_Delay (100);
       	 rxmsg=(int *)OSMboxAccept(GUITaskMbox); 
            if(rxmsg!=NULL)
            {    
	           GUI_SetFont(&GUI_Font8x16);
               GUI_SetColor(GUI_WHITE);
	            switch(*rxmsg)
			    {
			    	case 0: 
			    	GUI_SetColor(GUI_WHITE);
					GUI_ClearRect(105,20, 320, 40);

			            GUI_DispStringInRect("Ethernet Error!", &rText, GUI_TA_RIGHT | GUI_TA_VCENTER);         
			            break;
			        case 1:
                        //PROGBAR_SetValue(hProgBar, 100);
						GUI_ClearRect(105,20, 320, 40);
			            GUI_DispStringInRect("Send Failed!", &rText, GUI_TA_RIGHT | GUI_TA_VCENTER);         
						//GUIDEMO_Delay(1000);
                        PROGBAR_Delete(hProgBar);    
                        GUI_ClearRect(205,215,305,235);   
			            break;
			        case 2:
						//PROGBAR_SetValue(hProgBar, 100);
						GUI_ClearRect(105,20, 320, 40);
			            GUI_DispStringInRect("Send Successfully!", &rText, GUI_TA_RIGHT | GUI_TA_VCENTER);         
						PROGBAR_Delete(hProgBar);    
                        GUI_ClearRect(205,215,305,235);  
			            break;
			        default:
						GUI_ClearRect(105,20, 320, 40);
			            BUTTON_SetText(hButtonSend, "Receive");
			            rcvflg=1;
			            GUI_DispStringInRect("Received a message!", &rText, GUI_TA_RIGHT | GUI_TA_VCENTER);         
			            break;
			    }
			}
        Key = GUIDEMO_WaitKey();
        switch (Key) {
   
             case CAPS_ID://大小写转换
                  if(capsflg==0)
                    capsflg=1;
                  else
                    capsflg=0;
                  break;
             case SEND_ID:
                  if(rcvflg==0)
                  {
                     EDIT_GetText(hEdit,txmsg,80);
		             OSMboxPost(TCPTaskMbox, (void *)&txmsg);
		             
		             GUI_SetFont(&GUI_Font8x16);
		             GUI_DispStringInRect("Begin to send a message!", &rText, GUI_TA_RIGHT | GUI_TA_VCENTER);
					 //OSTimeDly(1000000);
					 hProgBar = PROGBAR_Create( 205,
                                   215,
                                   100, 
                                   20, 
                                   WM_CF_SHOW );
         PROGBAR_SetFont(hProgBar, &GUI_Font8x16);                                   
         PROGBAR_SetBarColor(hProgBar, 0, GUI_GREEN);
         PROGBAR_SetBarColor(hProgBar, 1, GUI_WHITE);  
         for (i=0; (i <=99)&& !GUIDEMO_CheckCancel(); i++) {
           PROGBAR_SetValue(hProgBar, i);
           GUI_Delay(5);
         }  
                        
	           	  } 
		          else
		          {
                     msg=*rxmsg;
					 EDIT_SetText(hEdit,msg);
		 	         BUTTON_SetText(hButtonSend, "Send");
                     rcvflg=0;
					 GUI_ClearRect(105,20, 320, 40);
                   }
		 
                     break;
			    case SAVE_ID:
					 EDIT_GetText(hEdit,text,80);
					 if(FileNum==1){
					 	x=fat_open("\\code\\L1.txt");
						FileNum=2;
					 	}
					 else if (FileNum==2){
					 	x=fat_open("\\code\\L2.txt");
						FileNum=3;
					 	}
                     else if (FileNum==3){
					 	x=fat_open("\\code\\L3.txt");
						FileNum=1;
                     	}
					 fat_write(x, text, 80);
					 fat_close(x);	
			         break;
			    case L1_ID:
					 x=fat_open("\\code\\L1.txt");
					 fat_read(x, text, 80);
					 fat_close(x);
					 EDIT_SetText(hEdit,text);
			         break;
			    case L2_ID:
					 x=fat_open("\\code\\L2.txt");
					 fat_read(x, text, 80);
					 fat_close(x);
					 EDIT_SetText(hEdit,text);
			         break;
			    case L3_ID:
					x=fat_open("\\code\\L3.txt");
					 fat_read(x, text, 80);
					 fat_close(x);
					 EDIT_SetText(hEdit,text);
			         break;
			    case CLEAR_ID:
			         EDIT_SetText(hEdit,"");
			         break;
			    default:
			         if(capsflg==1)
			         {
			         	if((Key>=0x41)&&(Key<=0x5A))
			         	   Key+=0x20;
			         }
			            EDIT_AddKey(hEdit, Key);
			         break;
			 }
           
	   } while(1); //((Key != 'N') && (Key!=GUI_ID_CANCEL) && (Key!=0));
	  /* Cleanup 
	  for (i=0; i< countof(ahButton); i++) {
	    BUTTON_Delete(ahButton[i]);
	  }
	  BUTTON_Delete(hButtonESC);
	  EDIT_Delete(hEdit);
	  return Key;*/
}