stm32 系列ili9341lcd屏驱动程序

}

//ÇåÆÁº¯Êý

//Color:ÒªÇåÆÁµÄÌî³äÉ«

void LCD_Clear(unsigned short int color)

{

    unsigned short int i,j;      

    LCD_set_windows(0,0,lcddev.width-1,lcddev.height-1);

    for(i=0;i    {

        for (j=0;j        {

            LCD_wt16bitData(color);                  

        }

    }

}

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

* º¯Êý¹¦ÄÜ ---> LCD»­µãº¯Êý

* Èë¿Ú²ÎÊý ---> (x,y)¹â±ê×ø±êÊýÖµ

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> µãµÄÑÕÉ«ÔÚÇ°ÃæµÄ»­±ÊÑÕÉ«ÉèÖÃ

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

void LCD_DrawPoint(unsigned short int x,unsigned short int y)

{

    LCD_set_windows(x,y,x,y);    //É趨¹â±ê×ø±ê

    LCD_wtREG_DATA(LCD_wtgram,lcddev.brushcl);        //дÈëµãµÄÑÕÉ«Öµ,¼´ÉèÖû­±ÊµÄĬÈÏÑÕÉ«

}

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

* º¯Êý¹¦ÄÜ ---> LCD»­µãº¯Êý£¬ÑÕÉ«ÖµËæÉ趨дÈ루¿ìËÙ»­µã£©

* Èë¿Ú²ÎÊý ---> (x,y)¹â±ê×ø±êÊýÖµ

*               cl£ºÒªÐ´ÈëµÄÑÕÉ«Öµ

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> none

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

void LCD_DrawPoint_Color(unsigned short int x,unsigned short int y,unsigned short int cl)

{

    LCD_set_windows(x,y,x,y);    //É趨¹â±ê×ø±ê

    LCD_wtREG_DATA(LCD_wtgram,cl);        //дÈëµãµÄÑÕÉ«Öµ,¼´ÉèÖû­±ÊµÄĬÈÏÑÕÉ«

}

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

* º¯Êý¹¦ÄÜ ---> LCD»­Ïߺ¯Êý

* Èë¿Ú²ÎÊý ---> (x1,y1)Æðµã×ø±êÊýÖµ

*               (x2,y2)ÖÕµã×ø±êÊýÖµ

*                                cl-»­±ÊÑÕÉ«

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> 

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

void LCD_Draw_Line(unsigned short int x1,unsigned short int y1,unsigned short int x2,unsigned short int y2, unsigned short int cl)

{

    unsigned short int t; 

    int xerr=0,yerr=0,delta_x,delta_y,distance; 

    int incx,incy,uRow,uCol; 

    delta_x=x2-x1; //¼ÆËã×ø±êÔöÁ¿ 

    delta_y=y2-y1; 

    uRow=x1; 

    uCol=y1; 

    if(delta_x>0)incx=1; //ÉèÖõ¥²½·½Ïò 

    else if(delta_x==0)incx=0;//´¹Ö±Ïß 

    else {incx=-1;delta_x=-delta_x;} 

    if(delta_y>0)incy=1; 

    else if(delta_y==0)incy=0;//ˮƽÏß 

    else{incy=-1;delta_y=-delta_y;} 

    if( delta_x>delta_y)distance=delta_x; //Ñ¡È¡»ù±¾ÔöÁ¿×ø±êÖá 

    else distance=delta_y; 

    for(t=0;t<=distance+1;t++ )//»­ÏßÊä³ö 

    {  

        LCD_DrawPoint_Color(uRow,uCol,cl);//»­µã 

        xerr+=delta_x ; 

        yerr+=delta_y ; 

        if(xerr>distance) 

        { 

            xerr-=distance; 

            uRow+=incx; 

        } 

        if(yerr>distance) 

        { 

            yerr-=distance; 

            uCol+=incy; 

        } 

    }  

}

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

* º¯Êý¹¦ÄÜ ---> LCDÖе㷨»­Ô²º¯Êý

* Èë¿Ú²ÎÊý ---> (x,y)Æð½Ç×ø±êÊýÖµ

*               r£ºÔ²°ë¾¶

*

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> Ô²µÄÑÕÉ«ÔÚÇ°ÃæµÄ»­±ÊÑÕÉ«ÉèÖÃ

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

void LCD_Draw_Circle(unsigned short int x0,unsigned short int y0,unsigned char r , unsigned short int cl)

{

    unsigned char x,y;    //Öá·½Ïò±äÁ¿

    float d;

    x = 0;

    y = r;

    d = 5.0/4 - r;    //ÄæʱÕë»­Ô²

    while(x <= y)

    {

        LCD_DrawPoint_Color(x0 + x,y0 + y,cl);    //270¡ã

        LCD_DrawPoint_Color(x0 + x,y0 - y,cl);    //90¡ã

        LCD_DrawPoint_Color(x0 - x,y0 + y,cl);

        LCD_DrawPoint_Color(x0 - x,y0 - y,cl);

        LCD_DrawPoint_Color(x0 + y,y0 + x,cl);    //0¡ã

        LCD_DrawPoint_Color(x0 + y,y0 - x,cl);

        LCD_DrawPoint_Color(x0 - y,y0 + x,cl);    //180¡ã

        LCD_DrawPoint_Color(x0 - y,y0 - x,cl);

        if(d < 0)    //yÖáË¥¼õÂý

        {    d += x * 2.0 + 3;    }

        else        //xÖáË¥¼õÂý

        {

            d += 2.0 * (x - y) + 5;

            y--;

        }

        x++;

    }

}

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

* º¯Êý¹¦ÄÜ ---> LCD»­¾ØÐκ¯Êý

* Èë¿Ú²ÎÊý ---> (x1,y1)Æð½Ç×ø±êÊýÖµ

*               (x2,y2)¶Ô½Ç×ø±êÊýÖµ    ,¾ØÐεĶԽÇ×ø±ê

*               cl-»­±ÊÑÕÉ« 

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> ÏßµÄÑÕÉ«ÔÚÇ°ÃæµÄ»­±ÊÑÕÉ«ÉèÖÃ

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

void LCD_Draw_Quad(unsigned short int x1,unsigned short int y1,unsigned short int x2,unsigned short int y2 , unsigned short int cl)

{

    LCD_Draw_Line(x1,y1,x2,y1,cl);    //ÒÔy1ΪÖá»­Ïß

    LCD_Draw_Line(x2,y1,x2,y2,cl);    //ÒÔx2ΪÖá»­Ïß

    LCD_Draw_Line(x2,y2,x1,y2,cl);    //ÒÔy2ΪÖá»­Ïß

    LCD_Draw_Line(x1,y2,x1,y1,cl);    //ÒÔx1ΪÖá»­Ïß

}

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

* º¯Êý¹¦ÄÜ ---> LCDÖ¸¶¨ÇøÓòÌî³äÑÕÉ«º¯Êý

* Èë¿Ú²ÎÊý ---> (x1,y1)Æð½Ç×ø±êÊýÖµ

*               (x2,y2)¶Ô½Ç×ø±êÊýÖµ

*               cl£ºÌî³äÑÕÉ«Öµ

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> ÔÚÆÁÄ»ÉÏ»­Ò»¸öËıßÐβ¢Ìî³äÏàÓ¦µÄÑÕÉ«

*               ¿éÇøÓò´óС£¨Ãæ»ý£© = (x2 - x1) * (y2 - y1)

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

void LCD_Area_Color(unsigned short int x1,unsigned short int y1,unsigned short int x2,unsigned short int y2,unsigned short int cl)

{

    unsigned short int i,j; 

    LCD_set_windows(x1,y1,x2,y2);      //ÉèÖùâ±êλÖà

    for(i=y1;i<=y2;i++)

    {                                                                

        for(j=x1;j<=x2;j++)

            LCD_wt16bitData(cl);//ÉèÖùâ±êλÖà        

    }

}

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

* º¯Êý¹¦ÄÜ ---> LCDÖ¸¶¨Î»ÖÃÏÔʾһ¸ö×Ö·ûº¯Êý

* Èë¿Ú²ÎÊý ---> (x,y)×ø±êÊýÖµ

*               ch£ºÒªÏÔʾµÄ×Ö·û

*               size£º×ÖÌå´óС

*               mode£º0£º·Çµþ¼Ó·½Ê½ÏÔʾ¡£1£ºµþ¼Ó·½Ê½ÏÔʾ

* ·µ»ØÊýÖµ ---> none

* ¹¦ÄÜ˵Ã÷ ---> Ö÷ÒªÏÔʾһЩÐèÒª±ä»¯Ö®ÀàµÄÊý×ÖÏÔʾ

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

void LCD_ShowChar(unsigned short int x,unsigned short int y,unsigned char ch,unsigned char csize,unsigned char mode)

{

    unsigned char temp,t1,t;

    unsigned short int y0=y;

    unsigned char sz=(csize/8+((csize%8)?1:0))*(csize/2);        //µÃµ½×ÖÌåÒ»¸ö×Ö·û¶ÔÓ¦µãÕó¼¯ËùÕ¼µÄ×Ö½ÚÊý

     ch=ch-' ';//µÃµ½Æ«ÒƺóµÄÖµ£¨ASCII×Ö¿âÊÇ´Ó¿Õ¸ñ¿ªÊ¼È¡Ä££¬ËùÒÔ-' '¾ÍÊǶÔÓ¦×Ö·ûµÄ×ֿ⣩

    for(t=0;t    {   

        if(csize==12)temp=ascii_1206[ch][t];          //µ÷ÓÃ1206×ÖÌå

        else if(csize==16)temp=ascii_1608[ch][t];    //µ÷ÓÃ1608×ÖÌå

        else if(csize==24)temp=ascii_2412[ch][t];    //µ÷ÓÃ2412×ÖÌå

        else return;                                //ûÓеÄ×Ö¿â

        for(t1=0;t1<8;t1++)

        {                

            if(temp&0x80)

            {

                LCD_DrawPoint_Color(x,y,lcddev.cur_brushcl);

            }

            else if(mode==0)

            {

                LCD_DrawPoint_Color(x,y,lcddev.cur_backcl);

            }    

            temp<<=1;

            y++;

            if(y>=lcddev.height)return;        //³¬ÇøÓòÁË