?? lcd.c
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/*********************************************************************************************
* File： lcd.c
* Author: embest
* Desc： LCD control and display functions
* History:
*********************************************************************************************/
/*--- include files ---*/
#include "lcd.h"
#include "bmp.h"
#include "44b.h"
/*--- global variables ---*/
INT32U aLcdActiveBuffer[LCD_YSIZE][LCD_XSIZE/4];
/*--- extern variables ---*/
extern const INT8U aucTempBitmap[][76800];
/*--- function code ---*/
/*********************************************************************************************
* name: Lcd_Init()
* func: Initialize LCD Controller
* para: none
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Init (void)
{
rDITHMODE=0x12210;
rDP1_2 =0xa5a5;
rDP4_7 =0xba5da65;
rDP3_5 =0xa5a5f;
rDP2_3 =0xd6b;
rDP5_7 =0xeb7b5ed;
rDP3_4 =0x7dbe;
rDP4_5 =0x7ebdf;
rDP6_7 =0x7fdfbfe;
// disable,8B_SNGL_SCAN,WDLY=16clk,WLH=16clk,
rLCDCON1=(0x0)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
// LINEBLANK=10 (without any calculation)
rLCDCON2=(LINEVAL)|(HOZVAL_COLOR<<10)|(10<<21);
rLCDCON3=0;
// 256-color, LCDBANK, LCDBASEU
rLCDSADDR1= (0x3<<27) | ( ((unsigned int)aLcdActiveBuffer>>22)<<21 ) | M5D((unsigned int)aLcdActiveBuffer>>1);
rLCDSADDR2= M5D((((unsigned int)aLcdActiveBuffer+(SCR_XSIZE*LCD_YSIZE))>>1)) | (MVAL<<21);
rLCDSADDR3= (LCD_XSIZE/2) | ( ((SCR_XSIZE-LCD_XSIZE)/2)<<9 );
//The following value has to be changed for better display.
rREDLUT =0xfdb96420; // 1111 1101 1011 1001 0110 0100 0010 0000
rGREENLUT=0xfdb96420; // 1111 1101 1011 1001 0110 0100 0010 0000
rBLUELUT =0xfb40; // 1111 1011 0100 0000
rLCDCON1=(0x1)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
// rPDATE=rPDATE&0x0e;
rPDATE=0xfe;
Lcd_Clr();
}
/*********************************************************************************************
* name: Lcd_Clr()
* func: clear LCD screen
* para: none
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Clr(void)
{
INT32U i;
INT32U *pDisp = (INT32U*)aLcdActiveBuffer;
for (i = 0; i < (SCR_XSIZE * SCR_YSIZE / 4); i++)
{
*pDisp++ = ALLWHITE;
}
}
/*********************************************************************************************
* name: LcdClrRect()
* func: fill appointed area with appointed color
* para: usLeft,usTop,usRight,usBottom -- area's rectangle acme coordinate
* ucColor -- appointed color value
* ret: none
* modify:
* comment: also as clear screen function
*********************************************************************************************/
void LcdClrRect(INT16 usLeft, INT16 usTop, INT16 usRight, INT16 usBottom, INT8U ucColor)
{
INT32U i, j;
INT8U *pDisp = (INT8U*)aLcdActiveBuffer;
for(i=usTop;i<=usBottom;i++)
{
for(j=usLeft;j<=usRight;j++)
{
LCD_PutPixel(j, i, ucColor);
}
}
}
#ifdef MON_LCD
/*********************************************************************************************
* name: LcdClrRect()
* func: fill appointed area with appointed color
* para: usLeft,usTop,usRight,usBottom -- area's rectangle acme coordinate
* ucColor -- appointed color value
* ret: none
* modify:
* comment: also as clear screen function
*********************************************************************************************/
void LcdClrRect(INT16 usLeft, INT16 usTop, INT16 usRight, INT16 usBottom, INT8U ucColor)
{
INT16 i=0;
INT16 k,l;
INT16 m;
INT32U ulColor = (ucColor << 28) | (ucColor << 24) | (ucColor << 20) | (ucColor << 16) |
(ucColor << 12) | (ucColor << 8) | (ucColor << 4) | ucColor;
if((usRight-usLeft)<=8)
{
for(i=usTop;i<=usBottom;i++)
{
for(m=usLeft;m<=usRight;m++)
{
LCD_PutPixel(m, i, ucColor);
}
}
return;
}
if((usLeft%8)==0)
k=usLeft;
else
{
k=(usLeft/8)*8+8;
}
if(( usRight%8)==0)
l= usRight;
else
{
l=( usRight/8)*8;
}
for(i=usTop;i<=usBottom;i++)
{
for(m=usLeft;m<=(k-1);m++)
{
LCD_PutPixel(m, i, ucColor);
}
for(m=k;m<l;m+=8)
{
(*(INT32U*)(aLcdActiveBuffer + i * SCR_XSIZE / 2 + m / 2)) = ulColor;
}
for(m=l;m<=usRight;m++)
{
LCD_PutPixel(m, i, ucColor);
}
}
}
#endif
/*********************************************************************************************
* name: Lcd_Draw_Box()
* func: Draw rectangle with appointed color
* para: usLeft,usTop,usRight,usBottom -- rectangle's acme coordinate
* ucColor -- appointed color value
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Draw_Box(INT16 usLeft, INT16 usTop, INT16 usRight, INT16 usBottom, INT8U ucColor)
{
Lcd_Draw_HLine(usLeft, usRight, usTop, ucColor, 1);
Lcd_Draw_HLine(usLeft, usRight, usBottom, ucColor, 1);
Lcd_Draw_VLine(usTop, usBottom, usLeft, ucColor, 1);
Lcd_Draw_VLine(usTop, usBottom, usRight, ucColor, 1);
}
/*********************************************************************************************
* name: Lcd_Draw_Line()
* func: Draw line with appointed color
* para: usX0,usY0 -- line's start point coordinate
* usX1,usY1 -- line's end point coordinate
* ucColor -- appointed color value
* usWidth -- line's width
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Draw_Line(INT16 usX0, INT16 usY0, INT16 usX1, INT16 usY1, INT8U ucColor, INT16U usWidth)
{
INT16 usDx;
INT16 usDy;
INT16 y_sign;
INT16 x_sign;
INT16 decision;
INT16 wCurx, wCury, wNextx, wNexty, wpy, wpx;
if( usY0 == usY1 )
{
Lcd_Draw_HLine (usX0, usX1, usY0, ucColor, usWidth);
return;
}
if( usX0 == usX1 )
{
Lcd_Draw_VLine (usY0, usY1, usX0, ucColor, usWidth);
return;
}
usDx = abs(usX0 - usX1);
usDy = abs(usY0 - usY1);
if( ((usDx >= usDy && (usX0 > usX1)) ||
((usDy > usDx) && (usY0 > usY1))) )
{
GUISWAP(usX1, usX0);
GUISWAP(usY1, usY0);
}
y_sign = (usY1 - usY0) / usDy;
x_sign = (usX1 - usX0) / usDx;
if( usDx >= usDy )
{
for( wCurx = usX0, wCury = usY0, wNextx = usX1,
wNexty = usY1, decision = (usDx >> 1);
wCurx <= wNextx; wCurx++, wNextx--, decision += usDy )
{
if( decision >= usDx )
{
decision -= usDx;
wCury += y_sign;
wNexty -= y_sign;
}
for( wpy = wCury - usWidth / 2;
wpy <= wCury + usWidth / 2; wpy++ )
{
LCD_PutPixel(wCurx, wpy, ucColor);
}
for( wpy = wNexty - usWidth / 2;
wpy <= wNexty + usWidth / 2; wpy++ )
{
LCD_PutPixel(wNextx, wpy, ucColor);
}
}
}
else
{
for( wCurx = usX0, wCury = usY0, wNextx = usX1,
wNexty = usY1, decision = (usDy >> 1);
wCury <= wNexty; wCury++, wNexty--, decision += usDx )
{
if( decision >= usDy )
{
decision -= usDy;
wCurx += x_sign;
wNextx -= x_sign;
}
for( wpx = wCurx - usWidth / 2;
wpx <= wCurx + usWidth / 2; wpx++ )
{
LCD_PutPixel(wpx, wCury, ucColor);
}
for( wpx = wNextx - usWidth / 2;
wpx <= wNextx + usWidth / 2; wpx++ )
{
LCD_PutPixel(wpx, wNexty, ucColor);
}
}
}
}
/*********************************************************************************************
* name: Lcd_Draw_HLine()
* func: Draw horizontal line with appointed color
* para: usX0,usY0 -- line's start point coordinate
* usX1 -- line's end point X-coordinate
* ucColor -- appointed color value
* usWidth -- line's width
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Draw_HLine(INT16 usX0, INT16 usX1, INT16 usY0, INT8U ucColor, INT16U usWidth)
{
INT16 usLen;
if( usX1 < usX0 )
{
GUISWAP (usX1, usX0);
}
while( (usWidth--) > 0 )
{
usLen = usX1 - usX0 + 1;
while( (usLen--) > 0 )
{
LCD_PutPixel(usX0 + usLen, usY0, ucColor);
}
usY0++;
}
}
/*********************************************************************************************
* name: Lcd_Draw_VLine()
* func: Draw vertical line with appointed color
* para: usX0,usY0 -- line's start point coordinate
* usY1 -- line's end point Y-coordinate
* ucColor -- appointed color value
* usWidth -- line's width
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Draw_VLine (INT16 usY0, INT16 usY1, INT16 usX0, INT8U ucColor, INT16U usWidth)
{
INT16 usLen;
if( usY1 < usY0 )
{
GUISWAP (usY1, usY0);
}
while( (usWidth--) > 0 )
{
usLen = usY1 - usY0 + 1;
while( (usLen--) > 0 )
{
LCD_PutPixel(usX0, usY0 + usLen, ucColor);
}
usX0++;
}
}
/*--- extern variables ---*/
extern INT8U g_auc_Ascii8x16[];
/*********************************************************************************************
* name: Lcd_DspAscII8x16()
* func: display 8x16 ASCII character string
* para: usX0,usY0 -- ASCII character string's start point coordinate
* ForeColor -- appointed color value
* pucChar -- ASCII character string
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_DspAscII8x16(INT16U x0, INT16U y0, INT8U ForeColor, INT8U * s)
{
INT16 i,j,k,x,y,xx;
INT8U qm;
INT32U ulOffset;
INT8 ywbuf[16],temp[2];
for( i = 0; i < strlen((const char*)s); i++ )
{
if( (INT8U)*(s+i) >= 161 )
{
temp[0] = *(s + i);
temp[1] = '\0';
return;
}
else
{
qm = *(s+i);
ulOffset = (INT32U)(qm) * 16; //Here to be changed tomorrow
for( j = 0; j < 16; j ++ )
{
ywbuf[j] = g_auc_Ascii8x16[ulOffset + j];
}
for( y = 0; y < 16; y++ )
{
for( x = 0; x < 8; x++ )
{
k = x % 8;
if( ywbuf[y] & (0x80 >> k) )
{
xx = x0 + x + i*8;
LCD_PutPixel(xx, y + y0, (INT8U)ForeColor);
}
}
}
}
}
}
/*--- extern variables ---*/
extern INT8U g_auc_Ascii6x8[];
#define XWIDTH 6
/*********************************************************************************************
* name: Lcd_DspAscII6x8()
* func: display 6x8 ASCII character string
* para: usX0,usY0 -- ASCII character string's start point coordinate
* ForeColor -- appointed color value
* pucChar -- ASCII character string
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_DspAscII6x8(INT16U usX0, INT16U usY0,INT8U ForeColor, INT8U* pucChar)
{
INT32U i,j;
INT8U ucTemp;
while( *pucChar != 0 )
{
for( i=0; i < 8; i++ )
{
ucTemp = g_auc_Ascii6x8[(*pucChar) * 8 + i];
for( j = 0; j < 8; j++ )
{
if( (ucTemp & (0x80 >> j)) != 0 )
{
LCD_PutPixel(usX0 + i, usY0 + 8 - j, (INT8U)ForeColor);
}
}
}
usX0 += XWIDTH;
pucChar++;
}
}
#ifndef Eng_v
/*********************************************************************************************
* name: Lcd_DspHz16()
* func: display chinese character string in 16x16 dot array
* para: usX0,usY0 -- ASCII character string's start point coordinate
* ForeColor -- appointed color value
* pucChar -- ASCII character string
* ret: none
* modify:
* comment:
*********************************************************************************************/
extern const INT8U g_auc_HZK16[];
void Lcd_DspHz16(INT16U x0, INT16U y0, INT8U ForeColor, INT8U *s)
{
INT16 i,j,k,x,y,xx;
INT8U qm,wm;
INT32U ulOffset;
INT8 hzbuf[32],temp[2];
for( i = 0; i < strlen((const char*)s); i++ )
{
if( ((INT8U)(*(s+i))) < 161 )
{
temp[0] = *(s+i);
temp[1] = '\0';
break;
}
else
{
qm = *(s+i) - 161;
wm = *(s + i + 1) - 161;
ulOffset = (INT32U)(qm * 94 + wm) * 32;
for( j = 0; j < 32; j ++ )
{
hzbuf[j] = g_auc_HZK16[ulOffset + j];
}
for( y = 0; y < 16; y++ )
{
for( x = 0; x < 16; x++ )
{
k = x % 8;
if( hzbuf[y * 2 + x / 8] & (0x80 >> k) )
{
xx = x0 + x + i * 8;
LCD_PutPixel( xx, y + y0, (INT8U)ForeColor);
}
}
}
i++;
}
}
}
#endif
/*********************************************************************************************
* name: Lcd_Test()
* func: LCD test function
* para: none
* ret: none
* modify:
* comment:
*********************************************************************************************/
void Lcd_Test(void)
{
int i, j;
int hh=12,mm=12,ss=12;
char time[30];
sprintf(time,"%d:%d:%d",hh,mm,ss);
Lcd_DspAscII8x16(90,120,BLUE,time);
Uart_Printf("\n LCD display Test Example(please look at LCD screen)\n");
/* initial LCD controller */
Lcd_Init();
/* clear screen */
Lcd_Clr();
Lcd_DspAscII8x16(10,0,BLUE,"Embest S3CEV40 ");
Lcd_DspAscII8x16(10,20,BLUE,"ShenZhen Embest Info&Tech Co.,LTD");
Lcd_Draw_Box(10,40,310,230,14);
Lcd_Draw_Box(20,45,300,225,13);
Lcd_Draw_Box(30,50,290,220,12);
Lcd_Draw_Box(40,55,280,215,11);
Lcd_Draw_Box(50,60,270,210,10);
Lcd_Draw_Box(60,65,260,205,9);
Lcd_Draw_Box(70,70,250,200,8);
Lcd_Draw_Box(80,75,240,195,7);
Lcd_Draw_Box(90,80,230,190,6);
Lcd_Draw_Box(100,85,220,185,5);
Lcd_Draw_Box(110,90,210,180,4);
Lcd_Draw_Box(120,95,200,175,3);
Lcd_Draw_Box(130,100,190,170,2);
Lcd_DspHz16(10,10,BLUE,"英蓓特三星實驗平臺");
}
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