/*****************************************************/
/*
NHD-16032AZ.c
Program for writing to Newhaven Display 160x32 AZ series Graphic LCD

(c)2008 Curt Lagerstam - Newhaven Display International, LLC. 

 	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.
*/
/*****************************************************/
#include <REG52.H>
#include "picture.h"
/*****************************************************/
sbit RS = P3^0;
sbit RW = P3^7;
sbit E  = P3^4;
/*****************************************************/
void delay(unsigned int n)
{
	unsigned int i,j;
	for (i=0;i<n;i++)
  		for (j=0;j<350;j++)
  			{;}
}
/*****************************************************/
void data_out(unsigned char i) //Data Output Parallel Interface
{
	P1 = i;
	RS = 0;
	RW = 0;
	E = 1;
	delay(1);
	E = 0;
}
void comm_out(unsigned char j) //Command Output Parallel Interface
{
	P1 = j;
	RS = 1;
	RW = 0;
	E = 1;
	delay(1);
	E = 0;
}
/*****************************************************/
void dispPic(unsigned char *lcd_string)
{
	unsigned int i,j;
	unsigned char column = 0x80;
	for(i=0;i<32;i++){
		comm_out(0x3E);
	    comm_out(column);
		comm_out(0x80);
		for(j=0;j<18;j++){
			data_out(*lcd_string);
			lcd_string++;
			}
		column++;
   		}
}
/****************************************************/
void scroll(unsigned int n)
{
		unsigned int i;
		comm_out(0x38);
		for(i=0;i<n;i++){
			comm_out(0x1C);
			delay(100);
			}
}
/****************************************************
*           Initialization For controller           *
*****************************************************/
void init_LCD() 
{
comm_out(0x38);
comm_out(0x0C);
comm_out(0x06);
comm_out(0x02);
comm_out(0x01);
}
/*****************************************************/
int main(void)
{
P1 = 0;
P3 = 0;
delay(10);
init_LCD();
delay(10);
while(1){
	dispPic(logo);
	delay(1000);
	dispPic(graphic1);
	delay(1000);
	dispPic(graphic2);	
	delay(1000);
	dispPic(graphic3);
	delay(1000);
	scroll(16);
}
}