/*Initialises LCD by sending appropriate command sequence */
void init_lcd(void)
{
	lcd_icmd(0x30);
	lcd_icmd(0x30);
	lcd_icmd(0x30);
	lcd_icmd(0x20);

	lcd_cmd(0x28);
	lcd_cmd(0x0c);  
	lcd_cmd(0x06);
	lcd_cmd(0x01);
}

/* This function sends commands to lcd*/
void lcd_cmd(uchar lcmd)
{
   	uchar l2cmd;
	l2cmd=lcmd;
	lcmd=_cror_(lcmd,2);
	lcmd=lcmd | 0xc3;
	lcmd=lcmd & 0xfe;
	diskeyport = lcmd;
	lcdgate=0;
	_nop_();
	lcmd=lcmd & 0xfd;
	diskeyport=lcmd;
	_nop_();
	lcdgate=1;

	l2cmd=_crol_(l2cmd,2);
	l2cmd=l2cmd | 0xc3;
	l2cmd=l2cmd & 0xfe;
	diskeyport = l2cmd;
	lcdgate=0;
	_nop_();
	l2cmd=l2cmd & 0xfd;
	diskeyport=l2cmd;
	_nop_();
	lcdgate=1;
	ms_delay(10);
}

/*Function tp send initialisation commands to LCD*/
void lcd_icmd(uchar icmd)
{
	ms_delay(200);
	icmd=_cror_(icmd,2);
	icmd=icmd | 0xc3;
	icmd=icmd & 0xfe;
	diskeyport = icmd;
	lcdgate=0;
	_nop_();
	icmd=icmd & 0xfd;
	diskeyport=icmd;
	_nop_();
	lcdgate=1;
	ms_delay(200);
}

/* This function sends data to lcd*/
void lcd_data(uchar ldata)
{
   	uchar l2data;
	l2data=ldata;
	ldata=_cror_(ldata,2);
	ldata=ldata | 0xc3;
	diskeyport = ldata;
	lcdgate=0;
	_nop_();
	ldata=ldata & 0xfd;
	diskeyport=ldata;
	_nop_();
	lcdgate=1;

	l2data=_crol_(l2data,2);
	l2data=l2data | 0xc3;
	diskeyport = l2data;
	lcdgate=0;
	_nop_();
	l2data=l2data & 0xfd;
	diskeyport=l2data;
	_nop_();
	lcdgate=1;
	ms_delay(1);
}