MEMDEV_MemDev.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
00005 *                                                                    *
00006 *        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
00007 *                                                                    *
00008 *        Internet: www.segger.com    Support:  support@segger.com    *
00009 *                                                                    *
00010 **********************************************************************
00011 
00012 ** emWin V5.48 - Graphical user interface for embedded applications **
00013 All  Intellectual Property rights  in the Software belongs to  SEGGER.
00014 emWin is protected by  international copyright laws.  Knowledge of the
00015 source code may not be used to write a similar product.  This file may
00016 only be used in accordance with the following terms:
00017 
00018 The software  has been licensed to  Cypress Semiconductor Corporation,
00019 whose registered  office is situated  at 198 Champion Ct. San Jose, CA 
00020 95134 USA  solely for the  purposes of creating  libraries for Cypress
00021 PSoC3 and  PSoC5 processor-based devices,  sublicensed and distributed
00022 under  the  terms  and  conditions  of  the  Cypress  End User License
00023 Agreement.
00024 Full source code is available at: www.segger.com
00025 
00026 We appreciate your understanding and fairness.
00027 ----------------------------------------------------------------------
00028 Licensing information
00029 Licensor:                 SEGGER Microcontroller Systems LLC
00030 Licensed to:              Cypress Semiconductor Corp, 198 Champion Ct., San Jose, CA 95134, USA
00031 Licensed SEGGER software: emWin
00032 License number:           GUI-00319
00033 License model:            Services and License Agreement, signed June 10th, 2009
00034 Licensed platform:        Any Cypress platform (Initial targets are: PSoC3, PSoC5)
00035 ----------------------------------------------------------------------
00036 Support and Update Agreement (SUA)
00037 SUA period:               2009-06-12 - 2022-07-27
00038 Contact to extend SUA:    sales@segger.com
00039 ----------------------------------------------------------------------
00040 File        : MEMDEV_MemDev.c
00041 Purpose     : Simple demo shows the use of memory devices
00042 Requirements: WindowManager - ( )
00043               MemoryDevices - (x)
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 
00051 #include "GUI.h"
00052 
00053 /*********************************************************************
00054 *
00055 *       Defines
00056 *
00057 **********************************************************************
00058 */
00059 //
00060 // Recommended memory to run the sample with adequate performance
00061 //
00062 #define RECOMMENDED_MEMORY (1024L * 30)
00063 
00064 /*******************************************************************
00065 *
00066 *       static variables
00067 *
00068 ********************************************************************
00069 */
00070 static GUI_RECT Rect = {0, 130, 100, 180};
00071 
00072 /*******************************************************************
00073 *
00074 *       static code
00075 *
00076 ********************************************************************
00077 */
00078 /*******************************************************************
00079 *
00080 *       _Draw
00081 */
00082 static void _Draw(int Delay) {
00083   GUI_SetPenSize(5);
00084   GUI_SetColor(GUI_RED);
00085   GUI_DrawLine(Rect.x0 + 3, Rect.y0 + 3, Rect.x1 - 3, Rect.y1 - 3);
00086   GUI_Delay(Delay);
00087   GUI_SetColor(GUI_GREEN);
00088   GUI_DrawLine(Rect.x0 + 3, Rect.y1 - 3, Rect.x1 - 3, Rect.y0 + 3);
00089   GUI_Delay(Delay);
00090   GUI_SetColor(GUI_WHITE);
00091   GUI_SetFont(&GUI_FontComic24B_ASCII);
00092   GUI_SetTextMode(GUI_TM_TRANS);
00093   GUI_DispStringInRect("Closed", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER);
00094   GUI_Delay(Delay);
00095 }
00096 
00097 /*******************************************************************
00098 *
00099 *       _DemoMemDev
00100 */
00101 static void _DemoMemDev(void) {
00102   GUI_MEMDEV_Handle hMem;
00103   int i;
00104 
00105   GUI_SetBkColor(GUI_BLACK);
00106   GUI_Clear();
00107   GUI_SetColor(GUI_WHITE);
00108   GUI_SetFont(&GUI_Font24_ASCII);
00109   GUI_DispStringHCenterAt("MEMDEV_MemDev - Sample", 160, 5);
00110   GUI_SetFont(&GUI_Font8x16);
00111   GUI_DispStringHCenterAt("Shows the advantage of using a\nmemorydevice", 160,50);
00112   GUI_SetFont(&GUI_Font8_1);
00113   GUI_DispStringHCenterAt("Draws the picture\nwithout a\nmemory device", 50, 90);
00114   GUI_DispStringHCenterAt("Draws the picture\nusing a\nmemory device", 270, 90);
00115   //
00116   // Create the memory device
00117   //
00118   hMem = GUI_MEMDEV_Create(Rect.x0, Rect.y0, Rect.x1 - Rect.x0, Rect.y1 - Rect.y0);
00119   //
00120   //Routes the drawing operations to the memory device
00121   //
00122   GUI_MEMDEV_Select(hMem);
00123   _Draw(0);
00124   //
00125   // Routes the drawing operations to the LCD
00126   //
00127   GUI_MEMDEV_Select(0);
00128   while (1) {
00129     for (i = 0; i < 3; i++) {
00130       GUI_Delay(250);
00131       GUI_ClearRect(LCD_GetXSize() - Rect.x1, Rect.y0, LCD_GetXSize(), Rect.y1);
00132       GUI_Delay(250);
00133       GUI_MEMDEV_CopyToLCDAt(hMem, LCD_GetXSize() - Rect.x1, Rect.y0);
00134     }
00135     GUI_Delay(500);  
00136     //
00137     // Uses no memory device
00138     //
00139     _Draw(400);
00140     GUI_Delay(400);
00141     GUI_ClearRect(0, 130, 319, 219);
00142   }
00143 }
00144 
00145 /*********************************************************************
00146 *
00147 *       Public code
00148 *
00149 **********************************************************************
00150 */
00151 /*********************************************************************
00152 *
00153 *       MainTask
00154 */
00155 void MainTask(void) {
00156   GUI_Init();
00157   //
00158   // Check if recommended memory for the sample is available
00159   //
00160   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00161     GUI_ErrorOut("Not enough memory available."); 
00162     return;
00163   }
00164   _DemoMemDev();
00165 }
00166 
00167 /*************************** End of file ****************************/
00168