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/*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to the GNU Lesser General Public License, Version 2.1,
* February 1999, which is contained in the read-me file named
* "README_GNU_LGPL." This library is free software; you can
* redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your
* option) any later version. This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include "lcdutils.h"
#include "lcd_private.h"
void lcd_setcursorpos(void *lcd_private, unsigned char address) {
struct lcd_private *lcd = lcd_private;
if (!lcd || (lcd->fd < 0))
return;
lcd->display.cursor_address = address;
ioctl(lcd->fd, LCD_Set_Cursor_Pos, &lcd->display);
}
void lcd_setcursor(void *lcd_private, unsigned char character) {
struct lcd_private *lcd = lcd_private;
if (!lcd || (lcd->fd < 0))
return;
lcd->display.character = character;
ioctl(lcd->fd, LCD_Set_Cursor, &lcd->display);
}
int lcd_getcursorpos(void *lcd_private) {
struct lcd_private *lcd = lcd_private;
if (!lcd || (lcd->fd < 0))
return -1;
ioctl(lcd->fd, LCD_Get_Cursor_Pos, &lcd->display);
return lcd->display.cursor_address;
}
int lcd_getcursor(void *lcd_private) {
struct lcd_private *lcd = lcd_private;
if (!lcd || (lcd->fd < 0))
return -1;
ioctl(lcd->fd, LCD_Get_Cursor, &lcd->display);
return lcd->display.character;
}
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