/*

* Author: Made by Parmar

* known Problems: none

* Version: 1.1

* Description: Graphic Library for sed1335- (and compatible) based LCDs

* File name: sed1335.c

*

*/

//-------------------------------------------------------------------------------------------------------

#include "sed1335.h"

//-------------------------------------------------------------------------------------------------------

//-------------------------------------------------------------------------------------------------------

//

// Delay function

//

//-------------------------------------------------------------------------------------------------------

void delay(void)

{

volatile unsigned char i;

for(i = 0; i < (F_CPU/1000000); i++)

{

asm("nop");

}

}

//-------------------------------------------------------------------------------------------------------

// GLCD_ClearText

//-------------------------------------------------------------------------------------------------------

void GLCD_ClearText(uint16_t x,uint16_t y,uint16_t digit)

{

int i;

GLCD_TextGoTo(x,y);

GLCD_WriteCommand(SED1335_MWRITE);

for(i = 0; i < digit; i++)

GLCD_WriteData(' ');

}

//-------------------------------------------------------------------------------------------------------

//

// Ports intalization

//

//-------------------------------------------------------------------------------------------------------

void GLCD_InitializePorts(void)

{

SED1335_DATA_DIR = 0xFF;

SED1335_CONTROL_PORT |= (SED1335_A0 | SED1335_WR | SED1335_RD | SED1335_CS | SED1335_RES);

SED1335_CONTROL_DIR |= (SED1335_A0 | SED1335_WR | SED1335_RD | SED1335_CS | SED1335_RES);

}

//-------------------------------------------------------------------------------------------------------

//

// Display initalization

//

//-------------------------------------------------------------------------------------------------------

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);

}

//-------------------------------------------------------------------------------------------------------

//

// Writes null-terminated string from program memory to display RAM memory

//

//-------------------------------------------------------------------------------------------------------

unsigned char GLCD_ReadByteFromROMMemory(const uint8_t * ptr)

{

return pgm_read_byte(ptr);

}

//-------------------------------------------------------------------------------------------------------

//

// Set (if color==1) or clear (if color==0) pixel on screen

//

//-------------------------------------------------------------------------------------------------------

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);

}

//-------------------------------------------------------------------------------------------------------

//

// Writes null-terminated string to display RAM memory

//

//-------------------------------------------------------------------------------------------------------

void GLCD_WriteString(char * tekst)

{

GLCD_WriteCommand(SED1335_MWRITE);

while(*tekst)

GLCD_WriteData(*tekst++);

}

//-------------------------------------------------------------------------------------------------------

//

// Writes null-terminated string from program memory to display RAM memory

//

//-------------------------------------------------------------------------------------------------------

/*

void GLCD_WriteTextP(char * tekst)

{

GLCD_WriteCommand(SED1335_MWRITE);

while(GLCD_ReadByteFromROMMemory(tekst))

GLCD_WriteData(GLCD_ReadByteFromROMMemory(tekst++));

}

*/

void GLCD_WriteTextP(PGM_P str)

{

GLCD_WriteCommand(SED1335_MWRITE);

while(pgm_read_byte(str) != 0)

{

GLCD_WriteData(pgm_read_byte(str));

str++;

}

}

//-------------------------------------------------------------------------------------------------------

//

// set cursor address

//

//-------------------------------------------------------------------------------------------------------

void GLCD_SetCursorAddress(unsigned int address)

{

GLCD_WriteCommand(SED1335_CSRW);

GLCD_WriteData((unsigned char)(address & 0xFF));

GLCD_WriteData((unsigned char)(address >> 8));

}

//-------------------------------------------------------------------------------------------------------

//

// Sets display coordinates

//

//-------------------------------------------------------------------------------------------------------

void GLCD_TextGoTo(unsigned char x, unsigned char y)

{

GLCD_SetCursorAddress((y * 40) + x);

}

//-------------------------------------------------------------------------------------------------------

//

// Sets graphics coordinates

//

//-------------------------------------------------------------------------------------------------------

void GLCD_GraphicGoTo(unsigned int x, unsigned int y)

{

GLCD_SetCursorAddress(SED1335_GRAPHICSTART + (y * 40) + x/8);

}

//-------------------------------------------------------------------------------------------------------

//

// Clears text area of display RAM memory

//

//-------------------------------------------------------------------------------------------------------

void GLCD_ClearText1(void)

{

int i;

GLCD_TextGoTo(0,0);

GLCD_WriteCommand(SED1335_MWRITE);

for(i = 0; i < 1200; i++)

GLCD_WriteData(' ');

}

//-------------------------------------------------------------------------------------------------------

//

// Clears graphics area of display RAM memory

//

//-------------------------------------------------------------------------------------------------------

void GLCD_ClearGraphic1(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)));

}

}

*/

//-------------------------------------------------------------------------------------------------------

//-------------------------------------------------------------------------------------------------------