sed1335.c

Driver for SED1335 320x240 graphical LCD

//-------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------
#include "sed1335.h"

extern void GLCD_InitializePorts(void);

//-------------------------------------------------------------------------------------------------
// Funkcja inicjalizacji wy渨ietlacza
//-------------------------------------------------------------------------------------------------
void GLCD_Initialize(void)
{
GLCD_InitializePorts();

GLCD_WriteCommand(SED1335_SYSTEM_SET); 
GLCD_WriteData(SED1335_SYS_P1);	
GLCD_WriteData(SED1335_SYS_P2);		
GLCD_WriteData(SED1335_FY);		
GLCD_WriteData(SED1335_CR);		
GLCD_WriteData(SED1335_TCR);	
GLCD_WriteData(SED1335_LF);		
GLCD_WriteData(SED1335_APL);	
GLCD_WriteData(SED1335_APH);	
	
GLCD_WriteCommand(SED1335_SCROLL);   
GLCD_WriteData(SED1335_SAD1L);		
GLCD_WriteData(SED1335_SAD1H);		
GLCD_WriteData(SED1335_SL1);		
GLCD_WriteData(SED1335_SAD2L);		
GLCD_WriteData(SED1335_SAD2H);		
GLCD_WriteData(SED1335_SL2);		
GLCD_WriteData(SED1335_SAD3L);		
GLCD_WriteData(SED1335_SAD3H); 		
GLCD_WriteData(SED1335_SAD4L);		
GLCD_WriteData(SED1335_SAD4H);		
	
GLCD_WriteCommand(SED1335_CSRFORM);
GLCD_WriteData(SED1335_CRX);		
GLCD_WriteData(SED1335_CSRF_P2);		
	
GLCD_WriteCommand(SED1335_CGRAM_ADR);       
GLCD_WriteData(SED1335_SAGL);			
GLCD_WriteData(SED1335_SAGH);				
	
GLCD_WriteCommand(SED1335_CSRDIR_R);      

GLCD_WriteCommand(SED1335_HDOT_SCR);       
GLCD_WriteData(SED1335_SCRD);			
	
GLCD_WriteCommand(SED1335_OVLAY);            
GLCD_WriteData(SED1335_OVLAY_P1);			
			
GLCD_WriteCommand(SED1335_DISP_ON);
GLCD_WriteData(SED1335_FLASH);
}
//-------------------------------------------------------------------------------------------------
// Funkcja zapalaj筩a piksel
//-------------------------------------------------------------------------------------------------
void GLCD_SetPixel(unsigned int x,unsigned int y, int color)
{
unsigned char tmp = 0;
unsigned int address = SED1335_GRAPHICSTART + (40 * y) + (x/8); 
GLCD_SetCursorAddress(address);

GLCD_WriteCommand(SED1335_MREAD);
tmp = GLCD_ReadData();

if(color)
  tmp |= (1 << (SED1335_FX - (x % 8)));
else
  tmp &= ~(1 << (SED1335_FX - (x % 8)));

GLCD_SetCursorAddress(address);
GLCD_WriteCommand(SED1335_MWRITE);
GLCD_WriteData(tmp);
}
//-------------------------------------------------------------------------------------------------
// Funkcja wyswietlajaca tekst
//-------------------------------------------------------------------------------------------------
void GLCD_WriteText(char * tekst)
{
GLCD_WriteCommand(SED1335_MWRITE);
while(*tekst)
	GLCD_WriteData(*tekst++);
}
//-------------------------------------------------------------------------------------------------
// Funkcja wy渨ietlaj筩a tekst z pami阠i programu (AVR)
//-------------------------------------------------------------------------------------------------
void GLCD_WriteTextP(char * tekst)
{
GLCD_WriteCommand(SED1335_MWRITE);
while(GLCD_ReadByteFromROMMemory(tekst))
	GLCD_WriteData(GLCD_ReadByteFromROMMemory(tekst++));
}
//-------------------------------------------------------------------------------------------------
// Funkcja ustawiaj筩a adres kursora
//-------------------------------------------------------------------------------------------------
void GLCD_SetCursorAddress(unsigned int address)
{
GLCD_WriteCommand(SED1335_CSRW);
GLCD_WriteData((unsigned char)(address & 0xFF));
GLCD_WriteData((unsigned char)(address >> 8));
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
void GLCD_TextGoTo(unsigned char x, unsigned char y)
{
GLCD_SetCursorAddress((y * 40) + x);
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
void GLCD_GraphicGoTo(unsigned int x, unsigned int y)
{
GLCD_SetCursorAddress(SED1335_GRAPHICSTART + (y * 40) + x/8);
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
void GLCD_ClearText(void)
{
int i;
GLCD_TextGoTo(0,0);
GLCD_WriteCommand(SED1335_MWRITE);
for(i = 0; i < 1200; i++)
	GLCD_WriteData(' ');
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
void GLCD_ClearGraphic(void)
{
unsigned int i;
GLCD_SetCursorAddress(SED1335_GRAPHICSTART);
GLCD_WriteCommand(SED1335_MWRITE);
for(i = 0; i < (40 * 240); i++)
	GLCD_WriteData(0x00);
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
void GLCD_Bitmap(char * bmp, int x, int y, int width, int height)
{
unsigned int i, j;
for(i = 0; i < height ; i++)
	{
	GLCD_GraphicGoTo(x, y+i);
	GLCD_WriteCommand(SED1335_MWRITE);
	for(j = 0; j < width/8; j++)
		GLCD_WriteData(GLCD_ReadByteFromROMMemory(bmp+j+(40*i)));
	}
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------