memdev_drawgraph.c

SDIO文件系统forHMI-STM32

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
*                                                                    *
*                    emWin GSC sample code                           *
*                                                                    *
**********************************************************************

----------------------------------------------------------------------
File        : MEMDEV_DrawGraph.c
Purpose     : Example for drawing graphs
----------------------------------------------------------------------
*/

#include "GUI.h"
#include "LCD_ConfDefaults.h"
#include "DIALOG.h"
#include <math.h>
#include <stdlib.h>

/*******************************************************************
*
*       defines
*
********************************************************************
*/

#define YSIZE   (LCD_YSIZE-100)
#define DEG2RAD (3.1415926f/180)

#if LCD_BITSPERPIXEL == 1
  #define COLOR_GRAPH0 GUI_WHITE
  #define COLOR_GRAPH1 GUI_WHITE
#else
  #define COLOR_GRAPH0 GUI_GREEN
  #define COLOR_GRAPH1 GUI_YELLOW
  #define COLOR_GRAPH2 GUI_BLUE
  #define ID_CHECKBOX0 WM_USER+0
  #define ID_CHECKBOX1 WM_USER+1
  #define ID_CHECKBOX2 WM_USER+2
#endif

/*******************************************************************
*
*      structure containing information for drawing routine
*/
typedef struct
{
  I16 *aY;
} PARAM;


CHECKBOX_Handle CheckBox0,CheckBox1,CheckBox2;

/*******************************************************************
*
*       static code
*
********************************************************************
*/

/*******************************************************************
*
*       _Draw
  
  Draws the graph area
*/
static void _Draw(void *p)
{
  int i;
  PARAM *pParam = (PARAM *)p;
  GUI_SetBkColor(GUI_BLACK);  //设置背景色为黑色
  GUI_SetColor(GUI_DARKGRAY); //设置前景色为灰色
  GUI_ClearRect(19,(LCD_YSIZE-20)-YSIZE,(LCD_XSIZE-2),(LCD_YSIZE-21));
  for(i=0;i<(YSIZE/2);i+=20)
    {
      GUI_DrawHLine((LCD_YSIZE-20)-(YSIZE/2)+i,19,(LCD_XSIZE-2)); //画水平线,间隔20个像素点
      if(i)
        {
          GUI_DrawHLine((LCD_YSIZE-20)-(YSIZE/2)-i,19,(LCD_XSIZE-2));
        }
    }
  for(i=40;i<(LCD_XSIZE-20);i+=40)
    {
      GUI_DrawVLine(18+i,(LCD_YSIZE-20)-YSIZE,(LCD_YSIZE-21));	//画垂直线
    }
  GUI_SetColor(COLOR_GRAPH0);
  GUI_DrawGraph(pParam->aY,(LCD_XSIZE-20),19,(LCD_YSIZE-20)-YSIZE);
}

/*******************************************************************
*
*       _Draw2
*/
static void _Draw2(void *p)
{
  PARAM *pParam=(PARAM *)p;
  _Draw(p);
  GUI_SetColor(COLOR_GRAPH1);
  GUI_DrawGraph(pParam->aY+15,(LCD_XSIZE-20),19,(LCD_YSIZE-20)-YSIZE);
}

/*******************************************************************
*
*       _Label

  Labels the x & y-axis
*/
static void _Label(void)
{
  int x, y;
  GUI_SetBkColor(GUI_RED);  //设置背景为红色
  GUI_Clear();			    
  GUI_SetColor(GUI_WHITE);  //设置前景为白色
  GUI_SetFont(&GUI_Font24_ASCII);
  GUI_DispStringHCenterAt("MEMDEV_DrawGraph - Sample",160,5);
  GUI_SetPenSize(1);
  GUI_ClearRect(0,(LCD_YSIZE-21)-YSIZE,(LCD_XSIZE-1),(LCD_YSIZE-1));
  GUI_DrawRect(18,(LCD_YSIZE-21)-YSIZE,(LCD_XSIZE-1),(LCD_YSIZE-20));
  GUI_SetFont(&GUI_Font6x8);
  for(x=0;x<(LCD_XSIZE-20);x+=40)
    {
      int xPos = x+18;
      GUI_DrawVLine(xPos,(LCD_YSIZE-20),(LCD_YSIZE-14));
      GUI_DispDecAt(x/40,xPos-2,(LCD_YSIZE-9),1);
    }
  for(y=0;y<YSIZE/2;y+=20)
    {
     int yPos=(LCD_YSIZE-20)-YSIZE/2+y;
      GUI_DrawHLine(yPos,13,18);
      if(y)
        {
          GUI_GotoXY(1,yPos-4);
          GUI_DispSDec(-y/20,2);
          yPos = (LCD_YSIZE-20)-YSIZE/2-y;
          GUI_DrawHLine(yPos,13,18);
          GUI_GotoXY(1,yPos-4);
          GUI_DispSDec(y/20,2);
        }
       else
        {
          GUI_DispCharAt('0',7,yPos-4);
        }
     }
}

/*******************************************************************
*
*       _GetRandomData
*/
static void _GetRandomData(I16 * paY, int Time, int n) {
  int aDiff, i;
  if (Time > 5000)
    Time -= 5000;
  if (Time > 2500)
    Time = 5000 - Time;
  Time /= 200;
  aDiff = Time * Time + 1;
  for (i = 0; i < n; i++) {
    if (!i) {
      paY[i] = rand() % YSIZE;
    } else {
      I16 yNew;
      int yD = aDiff - (rand() % aDiff);
      if (rand() & 1) {
        yNew = paY[i-1] + yD;
      } else {
        yNew = paY[i-1] - yD;
      }
      if (yNew > YSIZE) {
        yNew -= yD;
      } else { if (yNew < 0)
        yNew += yD;
      }
      paY[i] = yNew;
    }
  }
}

/*******************************************************************
*
*       _DemoRandomGraph
*/
static void _DemoRandomGraph(void) {
  PARAM Param;
  int tDiff, t0;
  GUI_RECT Rect = {19, (LCD_YSIZE - 20) - YSIZE, (LCD_XSIZE - 2), (LCD_YSIZE - 21)};
  GUI_HMEM hMem = GUI_ALLOC_AllocZero((LCD_XSIZE - 20) * sizeof(I16));
  GUI_SetColor(GUI_WHITE);
  GUI_SetBkColor(GUI_RED);
  GUI_ClearRect(0, 55, LCD_XSIZE, 75);
  GUI_SetFont(&GUI_FontComic18B_1);
  GUI_DispStringAt("Random graph", 20, 55);
  GUI_Lock();
  Param.aY = GUI_ALLOC_h2p(hMem);
  GUI_SetFont(&GUI_Font6x8);
  t0 = GUI_GetTime();
  while((tDiff = (GUI_GetTime() - t0)) < 10000) {
    int t1, tDiff2;
    _GetRandomData(Param.aY, tDiff, (LCD_XSIZE - 20));
    t1 = GUI_GetTime();
    GUI_MEMDEV_Draw(&Rect, _Draw, &Param, 0, 0);
    tDiff2 = GUI_GetTime() - t1;
    if (tDiff2 < 100) {
      GUI_Delay(100 - tDiff2);
    }
  }
  GUI_Unlock();
  GUI_ALLOC_Free(hMem);
}

/*******************************************************************
*
*       _GetSineData
*/
static void _GetSineData(I16 *paY,int n)
{
  int i;
  for(i=0;i<n;i++)
    {
      float s=sin(i*DEG2RAD*4);
      paY[i]=s*YSIZE/2+YSIZE/2;
    }
}

/*******************************************************************
*
*       _DemoSineWave
*/
static void _DemoSineWave(void) {
  PARAM Param;
  I16 * pStart;
  int t0, Cnt = 0;
  GUI_RECT Rect = {19,(LCD_YSIZE-20)-YSIZE,(LCD_XSIZE-2),(LCD_YSIZE-21)};
  GUI_HMEM hMem = GUI_ALLOC_AllocZero(405*sizeof(I16));
  GUI_SetColor(GUI_WHITE);
  GUI_SetBkColor(GUI_RED);
  GUI_ClearRect(0,55,LCD_XSIZE,75);
  GUI_SetFont(&GUI_FontComic18B_1);
  GUI_DispStringAt("Sine wave",20,55);
  pStart = GUI_ALLOC_h2p(hMem);
  _GetSineData(pStart,405);
  GUI_SetFont(&GUI_Font6x8);
  t0 = GUI_GetTime();
  while((GUI_GetTime()-t0)<10000)
    {
     int t1,tDiff2;
     if(Cnt++%90)
       {
         Param.aY++;
       }
     else
       {
         Param.aY = pStart;
       }
     t1=GUI_GetTime();
     GUI_MEMDEV_Draw(&Rect,_Draw2,&Param,0,0);
     tDiff2=GUI_GetTime()-t1;
     if(tDiff2<100)
       {
        GUI_Delay(100-tDiff2);
       }
    }
  GUI_ALLOC_Free(hMem);
}

/*******************************************************************
*
*       _DrawOrData
*/
static void _DrawOrData(GUI_COLOR Color,I16 *paY)
{
  GUI_SetColor(Color);
  GUI_DrawGraph(paY,(LCD_XSIZE-20),19,(LCD_YSIZE-20)-YSIZE);
}

/*******************************************************************
*
*       _DemoOrData
*/
static void _DemoOrData(void)
{
  int i;
  PARAM Param;
  GUI_RECT Rect = {19,(LCD_YSIZE-20)-YSIZE,(LCD_XSIZE-2),(LCD_YSIZE-21)};
  GUI_HMEM hMem = GUI_ALLOC_AllocZero(405 * sizeof(I16));
  GUI_SetColor(GUI_WHITE);
  GUI_SetBkColor(GUI_RED);
  GUI_ClearRect(0, 55, LCD_XSIZE, 75);
  GUI_SetFont(&GUI_FontComic18B_1);
  GUI_DispStringAt("Several waves...",20,55);
  Param.aY = GUI_ALLOC_h2p(hMem);
  _GetSineData(Param.aY, 405);
  GUI_MEMDEV_Draw(&Rect,_Draw,&Param,0,0);
  for(i=0;(i<90);i++)
    {
     _DrawOrData(GUI_GREEN,++Param.aY);
     GUI_Delay(10);
    }
  GUI_ALLOC_Free(hMem);
}

/*******************************************************************
*
*       MainTask
*
*       Demonstrates the use of a memory device
*
********************************************************************
*/
static void _cbBkWindow(WM_MESSAGE *pMsg)  //桌面回调函数
{
  int NCode,Id;
  WM_HWIN hDlg,hListBox,hItem;
  hDlg=pMsg->hWin;   //获取消息要发送的目标窗体的句柄
  //hListBox=WM_GetDialogItem(hDlg,GUI_ID_MULTIEDIT0);  //获取ID号为GUI_ID_MULTIEDIT0的控件句柄
  switch(pMsg->MsgId)
    {
      case WM_PAINT:    //窗口重绘消息
                    GUI_SetBkColor(GUI_RED);   //重绘桌面窗口
                    GUI_Clear();
                    GUI_SetColor(GUI_WHITE);
				    GUI_SetFont(&GUI_FontHZ_FangSong_GB2312_14);
                    //GUI_SetFont(&GUI_Font24_ASCII);
                   // GUI_DispStringHCenterAt("WIDGET_ListBoxOwnerDraw",160,5);
					GUI_DispStringHCenterAt("ADC和DAC演示程序",160,5);
                    break;
	  case WM_TOUCH_CHILD:   //触摸屏选择消息
                    WM_SetFocus(hListBox);
					break;
	  case WM_NOTIFY_PARENT:   //对话框的子窗口发送到对话框的通知消息
	                Id     = WM_GetId(pMsg->hWinSrc);    //获取发送消息的源控件的ID号    /* Id of widget */
                    NCode  = pMsg->Data.v;               //获取消息的通知代码            /* Notification code */
                    hItem  = WM_GetDialogItem(hDlg,Id); //根据ID号获取发送消息的源控件的句柄
					switch(NCode)                       //根据消息通知代码做相应处理
                      {
                        case WM_NOTIFICATION_SEL_CHANGED:  //列表框选择改变消息
                                     // LISTBOX_InvalidateItem(hListBox,LISTBOX_ALL_ITEMS);
                                      break;
                        case WM_NOTIFICATION_RELEASED:      // 鼠标或触摸松开消息
                                    /*  switch(Id)
                                         {
                                          case GUI_ID_OK:
                                                         GUI_EndDialog(hDlg,0);
                                                         break;
                                          case GUI_ID_CANCEL:
                                                         GUI_EndDialog(hDlg,1);
                                                         break;
                                          case GUI_ID_CHECK0:
                                                         _MultiSel ^= 1;
                                                         LISTBOX_SetMulti(hListBox,_MultiSel);
                                                         WM_SetFocus(hListBox);
                                                         LISTBOX_InvalidateItem(hListBox,LISTBOX_ALL_ITEMS);
                                                         break;
                                          case GUI_ID_CHECK1:
                                                         _OwnerDrawn ^= 1;
                                                        if(_OwnerDrawn)
                                                           {
                                                            LISTBOX_SetOwnerDraw(hListBox,_OwnerDraw);
                                                           }
                                                        else
                                                           {
                                                             LISTBOX_SetOwnerDraw(hListBox,NULL);
                                                           }
                                                        LISTBOX_InvalidateItem(hListBox,LISTBOX_ALL_ITEMS);
                                                         break;
										   default:
										                 break;
                                          }//end  switch(Id) 
										  */
                                        break;
						 default:
						                break;
                      }//end switch(NCode) 
					break;
      default:
                    WM_DefaultProc(pMsg);    //默认消息处理
    }
}


void MainTask(void)
{
  // GUI_Init();
  // _Label();
   CheckBox0=CHECKBOX_Create(20,40,0,0,WM_GetDesktopWindow(),ID_CHECKBOX0,WM_CF_SHOW);
   CHECKBOX_Check(CheckBox0);
   
   GUI_SetFont(&GUI_FontComic18B_1);
   GUI_DispStringAt("CH0",40,40);
   WM_SetCallback(WM_HBKWIN,&_cbBkWindow);
   while(1)
     {
	   
      _DemoRandomGraph();
      _DemoSineWave();
      _DemoOrData();
     }
}