/*****************************************************************************
*
* Description:
* Draw rectangular area with different boardser colors. Currently used
* by example game.
*
****************************************************************************/
void lcdRectBrd (uint8 x, uint8 y, uint8 xLen, uint8 yLen, uint8 color1, uint8 color2, uint8 color3)
{
uint32 i, j;
//select controller
selectLCD (TRUE);
lcdWindow1 (x, y, x + xLen - 1, y + yLen - 1);
lcdWrcmd (LCD_CMD_RAMWR); //write memory
for (i = 0; i < xLen; i++)
lcdWrdata (color2);
for (j = 1; j < (yLen - 2); j++)
{
lcdWrdata (color2);
for (i = 0; i < (xLen - 2); i++)
lcdWrdata (color1);
lcdWrdata (color3);
}
for (i = 0; i < xLen; i++)
lcdWrdata (color3);
//deselect controller
selectLCD (FALSE);
}
/*****************************************************************************
*
* Description:
* Initialize LCD controller for a window (to write in).
* Set start xy-position and xy-length.
* Selects/deselects LCD controller.
*
****************************************************************************/
void lcdWindow (uint8 xp, uint8 yp, uint8 xe, uint8 ye)
{
//select controller
selectLCD (TRUE);
lcdWindow1 (xp, yp, xe, ye);
//deselect controller
selectLCD (FALSE);
}
/*****************************************************************************
*
* Description:
* Draw a rectangular area with specified color.
*
****************************************************************************/
void lcdRect (uint8 x, uint8 y, uint8 xLen, uint8 yLen, uint8 color)
{
uint32 i;
uint32 len;
//select controller
selectLCD (TRUE);
lcdWindow1 (x, y, x + xLen - 1, y + yLen - 1);
lcdWrcmd (LCD_CMD_RAMWR); //write memory
len = xLen * yLen;
for (i = 0; i < len; i++)
lcdWrdata (color);
//deselect controller
selectLCD (FALSE);
}
/*****************************************************************************
*
* Description:
* Clear screen (with current background color)
*
****************************************************************************/
void lcdClrscr (void)
{
uint32 i;
lcd_x = 0;
lcd_y = 0;
//select controller
selectLCD (TRUE);
lcdWindow1 (255, 255, 128, 128);
lcdWrcmd (LCD_CMD_RAMWR); //write memory
for (i = 0; i < 16900; i++)
lcdWrdata (bkgColor);
//deselect controller
selectLCD (FALSE);
}
/*****************************************************************************
*
* Description:
* Draw rectangular area from bitmap. Specify xy-position and xy-length.
* Compressed format is supported.
*
* In uncompressed color mode, pData points to an area of xLen * yLen
* bytes with the icon.
* In compressed mode the escapeChar is used to denote that the next
* two bytes contain a length and a color (run length encoding)
* Note that is is still possible to specify the color value that
* equals the escape value in a compressed string.
*
****************************************************************************/
void
lcdIcon(tU8 x, tU8 y, tU8 xLen, tU8 yLen, tU8 compressionOn, tU8 escapeChar, const tU8* pData)
{
tU32 i,j;
tS32 len;
//select controller
selectLCD(TRUE);
lcdWindow1(x,y,x+xLen-1,y+yLen-1);
lcdWrcmd(LCD_CMD_RAMWR); //write memory
len = xLen*yLen;
if (compressionOn == FALSE)
{
for(i=0; i<len; i++)
lcdWrdata(*pData++);
}
else
while(len > 0)
{
if(*pData == escapeChar)
{
pData++;
j = *pData++;
for(i=0;i<j;i++)
lcdWrdata(*pData);
pData++;
len -= j;
}
else
{
lcdWrdata(*pData++);
len--;
}
}
//deselect controller
selectLCD(FALSE);
}
