移植ucgui到s3c2410的步骤

Love The Way You Lie 2022-03-26 13:20 145阅读 0赞

**1.编写驱动，主要为Lcd驱动和触摸屏驱动：**  
 lcd驱动实现画点函数LCD2410\_SetPixel(x,y,c)。对dm2410实验板上的lcd，左上为原点（0，0）  
 触摸屏驱动计算出触摸屏的坐标（x，y），对dm2410实验板上的触摸屏，左下为原点，但不一定是（0，0）

**2.触摸屏校准：**  
 测出左下最小坐标minX，minY和右上最大坐标maxX，maxY  
 如下填写GUITouchConf.h:  
\#define GUI\_TOUCH\_AD\_LEFT   minX  
\#define GUI\_TOUCH\_AD\_TOP    maxY

\#define GUI\_TOUCH\_AD\_RIGHT  maxX  
\#define GUI\_TOUCH\_AD\_BOTTOM minY

\#define GUI\_TOUCH\_SWAP\_XY   0  
    
\#define GUI\_TOUCH\_MIRROR\_X   1  
\#define GUI\_TOUCH\_MIRROR\_Y  1

**3.如下填写GUIConf.h：**  
\#define GUI\_OS                    (1)  /\* Compile with multitasking support \*/  
\#define GUI\_SUPPORT\_TOUCH         (1)  /\* Support a touch screen (req. win-manager) \*/  
\#define GUI\_SUPPORT\_UNICODE       (1)  /\* Support mixed ASCII/UNICODE strings \*/  
\#define GUI\_SUPPORT\_CHINESE    (1)

\#define GUI\_DEFAULT\_FONT          &GUI\_Font6x8  
\#define GUI\_ALLOC\_SIZE            22500  /\* Size of dynamic memory ... For WM and memory devices\*/

\#define GUI\_WINSUPPORT            1  /\* Window manager package available \*/  
\#define GUI\_SUPPORT\_MEMDEV        1  /\* Memory devices available \*/  
\#define GUI\_SUPPORT\_AA            1

**4.如下填写LCDConf.h:**  
\#define LCD\_XSIZE      (800)   /\* X-resolution of LCD, Logical coor. \*/  
\#define LCD\_YSIZE      (480)   /\* Y-resolution of LCD, Logical coor. \*/

\#define LCD\_BITSPERPIXEL (16)  
\#define LCD\_CONTROLLER  1  
\#define LCD\_SWAP\_RB\_0 1

**5.ucgui与lcd驱动函数的连接：**  
在LCDWin.c中，去掉无用的头文件包含。  
\#define SETPIXEL(x, y, c) LCD2410\_SetPixel(x, y, c)  
\#define GETPIXEL(x, y)    LCD2410\_GetPixel(x,y)  
即将“LCDSIM\_XX”改成“LCD2410\_XX”，这两个函数位于lcd驱动文件中。

**6.某些编译器不会初始化全局变量，因此做如下事：**  
1)修改如下函数为：（位于GUICore.c）  
static void \_InitContext(GUI\_CONTEXT\* pContext) \{  
   
 memset(pContext,0,sizeof(GUI\_CONTEXT))；//add  
   
  \#if GUI\_SUPPORT\_MEMDEV  
    GUI\_SelectLCD();  
  \#else  
    LCD\_SetClipRectMax();//LCD\_L0\_GetRect  
  \#endif  
  pContext->pLCD\_HL      = &LCD\_HL\_APIList;  
  pContext->pAFont       = GUI\_DEFAULT\_FONT;  
  pContext->pClipRect\_HL = &GUI\_Context.ClipRect;  
  pContext->PenSize      = 1;  
  pContext->DrawMode = GUI\_DRAWMODE\_NORMAL;//add  
  pContext->TextMode = GUI\_TEXTMODE\_NORMAL;//add  
  pContext->TextAlign = GUI\_TA\_LEFT|GUI\_TA\_TOP;//add  
   
  pContext->AA\_HiResEnable = 0;//add  
   
  /\* Variables in WM module \*/  
  \#if GUI\_WINSUPPORT  
    pContext->hAWin    = WM\_GetDesktopWindow();  
  \#endif  
  /\* Variables in GUI\_AA module \*/  
  pContext->AA\_Factor = 3;  
  LCD\_SetBkColor(GUI\_DEFAULT\_BKCOLOR);  
  LCD\_SetColor(GUI\_DEFAULT\_COLOR);  
\}  
2)自己编写如下函数：  
void MyInit()  
\{  
  IsInitialized = 0;//MemDev  
  \_IsInited = 0;//Win  
  WM\_\_CreateFlags = 0;  
   
  GUI\_CURSOR\_pfTempHide = NULL;  
  GUI\_Context.hDevData = 0;  
   
  WM\_\_hCapture=0;  
  WM\_\_hWinFocus=0;  
   
  WM\_pfPollPID = 0;  
  WM\_pfHandlePID = 0;  
   
  GUI\_pfTimerExec = 0;  
   
  \_KeyMsgCnt = 0;  
\}  
该函数应在GUI\_Init()调用之前调用。

**7.由于没有加入ucos操作系统，自己编写如下函数模拟延时：**

int ost = 0;  
void My\_X\_Delay(int p)  
\{  
 int i = 0;  
 int j=0;  
 for(i=0; i<p; ++i)  
  for(j=0; j<p; ++j) ;  
   
 ost += p;  
\}  
void MyDly(int Period)  
\{  
   
  int EndTime;  
  int tRem; /\* remaining Time \*/  
  ost = 0;  
  EndTime = ost + Period;  
  while (tRem = EndTime - ost, tRem>0) \{  
    GUI\_Exec();  
    My\_X\_Delay((tRem >100) ? 100 : tRem);  
  \}  
\}  
因此将示例中的GUI\_Delay(x)该为MyDly(x).

**8.修改如下函数，接入lcd的初始化：(位于LCD.c)**  
int  LCD\_Init(void) \{  
  int r;  
  GUI\_DEBUG\_LOG("\\nLCD\_Init...");  
  LCD\_SetClipRectMax();  
  if ((r = LCD2410\_Init()) != 0) //LCD2410\_Init(),设置lcd寄存器  
    return r;  
\#if LCD\_NUM\_DISPLAYS > 1  
  if ((r = LCD\_L0\_1\_Init()) != 0)  
    return r;  
\#endif  
    LCD\_InitLUT();  
/\* Clear video memory \*/  
  LCD\_SetDrawMode(GUI\_DRAWMODE\_REV);  
  LCD\_FillRect(0,0, GUI\_XMAX, GUI\_YMAX);  
  LCD\_SetDrawMode(0);  
/\* Switch LCD on \*/  
  LCD\_On();  
  return 0;  
\}

**9.如下修改GUI\_X.c：**  
int GUI\_X\_GetTime(void)  
\{  
 return 0;  
// return OSTimeGet();  
\}

void GUI\_X\_Delay(int ms)  
\{  
// OSTimeDly(ms);  
 int i=0;  
 for(i=0; i<ms\*10; ++i)  
  ;  
\}  
void GUI\_X\_ExecIdle(void) \{  
 GUI\_X\_Delay(1);  
\}  
void GUI\_X\_Unlock(void)  
\{  
// OSSemPost(DispSem);  
\}  
void GUI\_X\_Lock(void)  
\{  
// U8 err;  
// OSSemPend(DispSem, 0, &err);  
\}

U32 GUI\_X\_GetTaskId(void)  
\{  
// if(bGUIInitialized)\{  
//  return ((INT32U)(OSTCBCur->OSTCBPrio)); /\* < 64(è???ó??è??) \*/  
// \}  
// else\{  
 return 100; /\* ??òa±￡?¤>64?′?é \*/  
// \}  
\}

void GUI\_X\_InitOS(void)  
\{  
// DispSem = OSSemCreate(1);  
\}  
void GUI\_X\_ErrorOut(const char \*s)\{\}

void GUI\_X\_Warn(const char \*s)\{\}

/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
\*  
\*       GUI\_X\_Init()  
\*  
\* Note:  
\*     GUI\_X\_Init() is called from GUI\_Init is a possibility to init  
\*     some hardware which needs to be up and running before the GUI.  
\*     If not required, leave this routine blank.  
\*/

void GUI\_X\_Init(void) \{  
 SetTsInterrupt(); //此处接入触摸屏的中断设置  
 GUI\_TOUCH\_SetDefaultCalibration();//关键函数  
\}  
int  GUI\_TOUCH\_X\_MeasureX(void) \{  
 return TX;  
\}

int  GUI\_TOUCH\_X\_MeasureY(void)\{  
 return TY;  
\}

void GUI\_TOUCH\_X\_ActivateX(void) \{\}   
void GUI\_TOUCH\_X\_ActivateY(void) \{\}  
void GUI\_X\_Log(const char \*s)   \{\}

**10.为了响应触摸屏，做如下事：**  
1)在触摸屏中断中，获得触摸坐标后，应调用如下函数：  
       GUI\_TOUCH\_Exec();  
2)如下修改函数 GUI\_TOUCH\_Exec()，注释掉错误部分：  
void GUI\_TOUCH\_Exec(void) \{  
  \#ifndef WIN32  
  static U8 ReadState;  
  int x,y;  
  /\* calculate Min / Max values \*/  
  if (xyMinMax\[GUI\_COORD\_X\].Min < xyMinMax\[GUI\_COORD\_X\].Max) \{  
    xMin = xyMinMax\[GUI\_COORD\_X\].Min;  
    xMax = xyMinMax\[GUI\_COORD\_X\].Max;  
  \} else \{  
    xMax = xyMinMax\[GUI\_COORD\_X\].Min;  
    xMin = xyMinMax\[GUI\_COORD\_X\].Max;  
  \}  
  if (xyMinMax\[GUI\_COORD\_Y\].Min < xyMinMax\[GUI\_COORD\_Y\].Max) \{  
    yMin = xyMinMax\[GUI\_COORD\_Y\].Min;  
    yMax = xyMinMax\[GUI\_COORD\_Y\].Max;  
  \} else \{  
    yMax = xyMinMax\[GUI\_COORD\_Y\].Min;  
    yMin = xyMinMax\[GUI\_COORD\_Y\].Max;  
  \}  
  /\* Execute the state machine which reads the touch \*/  
  //switch (ReadState) \{  
  //case 0:  
    yPhys = TOUCH\_X\_MeasureY();  
   // TOUCH\_X\_ActivateY();  /\* Prepare X- measurement \*/  
  //  ReadState++;  
  //  break;  
  //default:  
    xPhys = TOUCH\_X\_MeasureX();  
  //  TOUCH\_X\_ActivateX();  /\* Prepare Y- measurement \*/  
    /\* Convert values into logical values \*/  
      \#if !GUI\_TOUCH\_SWAP\_XY   /\* Is X/Y swapped ? \*/  
        x = xPhys;  
        y = yPhys;  
      \#else  
        x = yPhys;  
        y = xPhys;  
      \#endif

if ((x <xMin) | (x>xMax)  | (y <yMin) | (y>yMax)) \{  
      GUI\_TOUCH\_StoreUnstable(-1,-1);  
    \} else \{  
      x = AD2X(x);  
      y = AD2Y(y);  
      GUI\_TOUCH\_StoreUnstable(x,y);  
    \}  
    /\* Reset state machine \*/  
    //ReadState=0;  
   // break;  
  //\}  
  \#endif /\* WIN32 \*/  
\}

画点效率有待改进...........................