memdev_autodev.c

来自「图像系统uc_GUI」· C语言 代码 · 共 281 行 · 第 1/4 页

    GUI_DispStringHCenterAt("RPM / 1000", 160, 140);
  }
}

/*******************************************************************
*
*       _DemoScale
*/
static void _DemoScale(void) {
  int Cnt;
  int tDiff, t0;
  PARAM Param;            /* Parameters for drawing routine */
  GUI_AUTODEV AutoDev;    /* Object for banding memory device */
  /* Show message */
  GUI_SetBkColor(GUI_BLACK);
  GUI_Clear();
  GUI_SetColor(GUI_WHITE);
  GUI_SetFont(&GUI_Font24_ASCII);
  GUI_DispStringHCenterAt("MEMDEV_AutoDev - Sample", 160, 5);
  GUI_SetFont(&GUI_Font8x16);
  GUI_DispStringHCenterAt("Scale using GUI_AUTODEV-object", 160, 50);
  /* Enable high resolution for antialiasing */
  GUI_AA_EnableHiRes();
  GUI_AA_SetFactor(MAG);
  while (1) {
    t0 = GUI_GetTime();
    /* Create GUI_AUTODEV-object */
    GUI_MEMDEV_CreateAuto(&AutoDev);
    /* Show needle for a fixed time */
    for (Cnt = 0; (tDiff = GUI_GetTime() - t0) < 24000; Cnt++) {
      /* Get value to display an calculate polygon for needle  */
      Param.Angle = _GetAngle(tDiff)* DEG2RAD;
      GUI_RotatePolygon(Param.aPoints, _aNeedle, countof(_aNeedle), Param.Angle);
      GUI_MEMDEV_DrawAuto(&AutoDev, &Param.AutoDevInfo, &_Draw, &Param);
    }
    /* Display milliseconds / picture */
    GUI_SetColor(GUI_WHITE);
    GUI_SetFont(&GUI_Font8x16);
    GUI_DispStringHCenterAt("Milliseconds / picture:", 160, 200);
    GUI_SetTextAlign(GUI_TA_CENTER);
    GUI_SetTextMode(GUI_TM_NORMAL);
    GUI_DispNextLine();
    GUI_GotoX(160);
    GUI_DispFloatMin((float)tDiff / (float)Cnt, 2);
    /* Delete GUI_AUTODEV-object */
    GUI_MEMDEV_DeleteAuto(&AutoDev);
    GUI_Delay(3000);
    GUI_ClearRect(0, 70, 319, 239);
  }
}

/*******************************************************************
*
*       MainTask
*
*       Demonstrates the use of an auto memory device
*
********************************************************************
*/

void MainTask(void) {
  GUI_Init();
  while(1) {
    _DemoScale();
  }
}