TI StellarisWare图形库中文显示使用指南(附PDF)

# ASCII characters

0x00, 0xFF



# Chinese characters

0x663E

0x793A

0x4E2D

0x6587

0x4F60

0x597D

Unused,GrLangEnUS,GrLangZhPRC

STR_SHOWLANGUAGE,显示中文,Show English

STR_HELLOSTELLARIS,Hello Stellaris!,你好Stellaris!

void OnButtonPress(tWidget *pWidget)

{

    g_bHelloVisible= !g_bHelloVisible;

    if(g_bHelloVisible)

        GrStringLanguageSet(GrLangEnUS);    // 切换为英文

    else

        GrStringLanguageSet(GrLangZhPRC);    // 切换为中文



    // 载入文字

    GrStringGet(STR_SHOWLANGUAGE,g_pcTittle, sizeof(g_pcTittle)); 

    GrStringGet(STR_HELLOSTELLARIS,g_pcShow, sizeof(g_pcShow));



    // 重绘控件

    WidgetPaint((tWidget*)&g_sPushBtn);

}

#include "inc/hw_types.h"

#include "driverlib/interrupt.h"

#include "driverlib/sysctl.h"

#include "driverlib/rom.h"

#include "grlib/grlib.h"

#include "grlib/widget.h"

#include "grlib/canvas.h"

#include "grlib/pushbutton.h"

#include "drivers/kitronix320x240x16_ssd2119_8bit.h"

#include "drivers/touch.h"

#include "drivers/set_pinout.h"



// 引入自定字符串列表

#include "my_lang.h"



// 引入自定字体库

extern unsigned char g_pucMy_yh20pt[];

#define MY_FONT (tFont *)g_pucMy_yh20pt



 // 定义缓冲区

char g_pcTittle[20];

char g_pcShow[20];



//*******************************************************************

//

// Forward reference to various widget structures.

//

//*******************************************************************

extern tCanvasWidget g_sBackground;

extern tPushButtonWidget g_sPushBtn;



 //*******************************************************************

//

// Forward reference to the button press handler.

//

//*******************************************************************

void OnButtonPress(tWidget *pWidget);



 //*******************************************************************

//

// The heading containing the application title.

//

//*******************************************************************

Canvas(g_sHeading, &g_sBackground, 0, &g_sPushBtn,

      &g_sKitronix320x240x16_SSD2119, 0, 0, 320, 23,

        (CANVAS_STYLE_FILL| CANVAS_STYLE_OUTLINE | CANVAS_STYLE_TEXT),

      ClrDarkBlue, ClrWhite, ClrWhite, MY_FONT, 

        "My Language Demo", 0, 0);



 //*******************************************************************

//

// The canvas widget acting as thebackground to the display.

//

//*******************************************************************

Canvas(g_sBackground, WIDGET_ROOT, 0,

        &g_sHeading, &g_sKitronix320x240x16_SSD2119, 0, 23, 320, (240 - 23),

      CANVAS_STYLE_FILL, ClrBlack, 0, 0, 0, 0, 0, 0);



//*******************************************************************

//

// The button used to hide or display the "Hello World" message.

//

//*******************************************************************

RectangularButton(g_sPushBtn, &g_sHeading, 0, 0, 

          &g_sKitronix320x240x16_SSD2119, 60, 60, 200, 40,

        (PB_STYLE_OUTLINE | PB_STYLE_TEXT_OPAQUE | PB_STYLE_TEXT 

                              | PB_STYLE_FILL | PB_STYLE_RELEASE_NOTIFY),

        ClrDarkBlue, ClrBlue, ClrWhite, ClrWhite, 

        MY_FONT, g_pcTittle, 0, 0, 0, 0, OnButtonPress);



 //*******************************************************************

//

// The canvas widget used to display the "Hello!" string.  Note that

// this is NOT hooked into the active widget tree (by making it a 

// child of the g_sPushBtn widget above) yet since we do not want the 

// widget to be displayed until the button is pressed.

//

//*******************************************************************

Canvas(g_sHello, &g_sPushBtn, 0, 0, &g_sKitronix320x240x16_SSD2119,

        0, 150, 320, 40,

        (CANVAS_STYLE_FILL | CANVAS_STYLE_TEXT), ClrBlack, 0, ClrWhite,

        MY_FONT, g_pcShow, 0, 0);



 //*******************************************************************

//

// A global we use to keep track of whether or not the "Hello" widget 

// is currently visible.

//

//*******************************************************************

tBoolean g_bHelloVisible = false;



// 按键处理函数

void OnButtonPress(tWidget *pWidget)

{

    g_bHelloVisible = !g_bHelloVisible;



    // 切换语言

    if (g_bHelloVisible)

        GrStringLanguageSet(GrLangEnUS);

    else

        GrStringLanguageSet(GrLangZhPRC);



    // 载入对应语言下的字符串

    GrStringGet(STR_SHOWLANGUAGE, g_pcTittle, sizeof(g_pcTittle)); 

    GrStringGet(STR_HELLOSTELLARIS, g_pcShow, sizeof(g_pcShow));



    // 重绘控件

    WidgetPaint((tWidget *)&g_sPushBtn);

}





 int main(void)

{

   //

   // Set the system clock to run at 50MHz from the PLL

   //

   ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL 

                    | SYSCTL_OSC_MAIN | SYSCTL_XTAL_16MHZ);



    //

   // Set the device pinout appropriately for this board.

   //

   PinoutSet();



    //

   // Enable Interrupts

   //

   ROM_IntMasterEnable();



   //

   // Initialize the display driver.

   //

   Kitronix320x240x16_SSD2119Init();



    //

   // 初始化字符编码和字符串表.

   //

    GrLibInit(&g_GrLibDefaultmy_lang);

    GrStringTableSet(g_pucTablemy_lang);



   //

   //设置默认语言并载入字符串

   //

    GrStringLanguageSet(GrLangZhPRC);

    GrStringGet(STR_SHOWLANGUAGE, g_pcTittle, sizeof(g_pcTittle)); 

    GrStringGet(STR_HELLOSTELLARIS, g_pcShow, sizeof(g_pcShow));



   //

   // Initialize the touch screen driver.

   //

   TouchScreenInit();



    //

   // Set the touch screen event handler.

   //

   TouchScreenCallbackSet(WidgetPointerMessage);



   //

   // Add the compile-time defined widgets to the widget tree.

   //

   WidgetAdd(WIDGET_ROOT, (tWidget *) &g_sBackground);

   WidgetAdd((tWidget *) &g_sPushBtn, (tWidget *) &g_sHello);



   //

   // Paint the widget tree to make sure they all appear on the display.

   //

   WidgetPaint(WIDGET_ROOT);



   //

   // Loop forever, processing widget messages.

   //

   while(1)

   {

      //

      // Process any messages from or for the widgets.

      //

      WidgetMessageQueueProcess();

    }

}