字符字串显示函数库.c

S3C44B0X内置LCD的应用

  0x06,0x06,0x06,0x06,0x66,0x66,0x3c,0x00,
  0x00,0x00,0xe0,0x60,0x60,0x66,0x6c,0x78,
  0x78,0x6c,0x66,0xe6,0x00,0x00,0x00,0x00,
  0x00,0x00,0x38,0x18,0x18,0x18,0x18,0x18,
  0x18,0x18,0x18,0x3c,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xec,0xfe,0xd6,
  0xd6,0xd6,0xd6,0xd6,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xdc,0x66,0x66,
  0x66,0x66,0x66,0x66,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x7c,0xc6,0xc6,
  0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xdc,0x66,0x66,
  0x66,0x66,0x66,0x7c,0x60,0x60,0xf0,0x00,
  0x00,0x00,0x00,0x00,0x00,0x76,0xcc,0xcc,
  0xcc,0xcc,0xcc,0x7c,0x0c,0x0c,0x1e,0x00,
  0x00,0x00,0x00,0x00,0x00,0xdc,0x76,0x62,
  0x60,0x60,0x60,0xf0,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x7c,0xc6,0x60,
  0x38,0x0c,0xc6,0x7c,0x00,0x00,0x00,0x00,
  0x00,0x00,0x10,0x30,0x30,0xfc,0x30,0x30,
  0x30,0x30,0x36,0x1c,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xcc,0xcc,0xcc,
  0xcc,0xcc,0xcc,0x76,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x66,0x66,0x66,
  0x66,0x66,0x3c,0x18,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xc6,0xc6,0xc6,
  0xd6,0xd6,0xfe,0x6c,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xc6,0x6c,0x38,
  0x38,0x38,0x6c,0xc6,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0xc6,0xc6,0xc6,
  0xc6,0xc6,0xc6,0x7e,0x06,0x0c,0xf8,0x00,
  0x00,0x00,0x00,0x00,0x00,0xfe,0xcc,0x18,
  0x30,0x60,0xc6,0xfe,0x00,0x00,0x00,0x00,
  0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,
  0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,
  0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
  0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
  0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,
  0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe
}; 


U16	Cursor=0;//定义光标 0～～600 以字符为单位

/************************************************************
*函数名：Slib_Init
*功能：初始化光标位置为：第0行(0~14)第0列(0~39)    
*入口参数：无
*出口参数：无
************************************************************/
void Slib_Init(void)
{
	Cursor=0;//第0行(0~14)第0列(0~39)
}



/************************************************************
*函数名：Slib_SetCursor
*功能：设置光标位置  
*入口参数：y---第y行，取值范围是:0-14，即总共15行
           x---第x列，取值范围是:0-39，即总共40列
*出口参数：无
************************************************************/
void Slib_SetCursor(U8 y,U8 x)
{
	Cursor=y*40+x;//总共可以显示15行，每行40个字符	
}


/************************************************************
*函数名：Slib_PutChar
*功能：把字符送入指定显存单元
*入口参数：y---第y行，取值范围是:0-14，即总共15行
           x---第x列，取值范围是:0-39，即总共40列
           pchar---要送入的字符的地址
*出口参数：无
************************************************************/
void Slib_PutChar(U8 y,U8 x,char *pchar)
{
	U8 temp_char;
	U8 i;
	
	temp_char=(unsigned char)*pchar;
    //temp_char=0x30;
	
	for (i=0;i<16;i++)
	{
		frameBuffer1[y*16+i][(unsigned char)(x/4)] &= ~((U32)(0xff<<(8*(3-(x%4)))));
		frameBuffer1[y*16+i][(unsigned char)(x/4)] |= (Ascii[temp_char*16+i])<<(8*(3-(x%4)));
	}
}



/************************************************************
*函数名：Slib_Putstr
*功能：把字符串送二级显示缓冲区,不是显示屏
       
*入口参数：pstr---字符串地址
*出口参数：无
************************************************************/
void Slib_PutStr(char *pstr)
{
	U8 xx,yy;

  	while(*pstr)
  	{
  	    if(*pstr=='\n')
  	    {
  		   Cursor=((U8)(Cursor/40)+1)*40;
  		   pstr++;
  	    }
  	    xx=(U8)(Cursor%40);
  	    yy=(U8)(Cursor/40);
  	
        Slib_PutChar(yy,xx,pstr);
        pstr++;
        Cursor++;
        if(Cursor == 600)			//超出屏幕范围:15行*40个字符＝600
    	Cursor=0;	
  	}
}

/************************************************************
*函数名：Slib_Printf
*功能：在LCD屏幕上显示字符串，但不能显示汉字，
       功能及用法都类似于标准C中的printf函数！
*入口参数：format---要输出的字符串及指定的格式字符串
*出口参数：无
************************************************************/
void Slib_Printf(char *format,...) 
{
  va_list ap;
  char string[256];

  va_start(ap,format);
  vsprintf(string,format,ap);
  Slib_PutStr(string);
  va_end(ap);
}

/************************************************************
*函数名：Slib_ClearScr
*功能：清除LCD屏幕上显示的内容，也相当于清空显示缓冲区
*入口参数：无
*出口参数：无
************************************************************/
void Slib_ClearScr(void)
{
    int i,j;

    for(j=0;j<(320);j++)//LCD屏幕的高度位320个像素
    {
        for(i=0;i<(240*8/32);i++)//LCD屏幕的宽度是240个像素，ARM7的地址是4B（32位）对齐，所以要除以32
        {
            
			frameBuffer1[j][i]=0x00000000;//frameBuffer1是U32（unsigned int）类型数组指针变量

        }
    }
}





/*
void Slib_PutChar_Color(U8 y,U8 x,char *pchar,U8 C)
{
	U8 temp_char;
	U8 i,j;

	temp_char=(unsigned char)*pchar;
//	temp_char=0x30;
	
	for (i=0;i<16;i++)
	{
        for(j=0;j<8;j++)
        {
		   frameBuffer1[y*16+i][(unsigned char)((x+j)/4)] &= ~((U32)(0xff << (8*(3-(x%4)))));
		   if((Ascii[temp_char*16+i]&(0x80>>j))!=0)
		   frameBuffer1[y*16+i][(unsigned char)((x+j)/4)] |= (C) << (8*(3-(x%4)));
		}
	}
}
*/


//void Slib_PutStr_Color(char *pstr,U8 color)
//{
//	U8 xx,yy;
//	//U8 str;
//  	while(*pstr)
//  	{
//  	//str=(unsigned char)*pstr;
//  	if(*pstr=='\n')
//  	{
//  		Cursor=((U8)(Cursor/40)+1)*40;
//  		pstr++;
// 	}
//  	xx=(U8)(Cursor%40);
//  	yy=(U8)(Cursor/40);
//  	
//    Slib_PutChar_Color(yy,xx,/*str*/pstr,color);
//    pstr++;
//    Cursor++;
//    if(Cursor == 600)			//超出屏幕范围 15行 X 40个字符＝600
//    	Cursor=0;	
//  	}
//}


/*
//显示字符串
void Slib_Printf_Color(char *fmt,...) 
{
  va_list ap;
  char string[256];

  va_start(ap,fmt);
  vsprintf(string,fmt,ap);
  Slib_PutStr(string);
  va_end(ap);
  //Reflash_LCD();
}



//清显示缓冲区
void Slib_ClearScr_Color(void)
{
    int i,j;

    for(j=0;j<320;j++)
        for(i=0;i<(240/32);i++)
        {
            
			frameBuffer1[j][i]=0x00000000;

        }
}
*/