/* pylcd.h */

/*
 This is the header file of the LCDproc driver for
 the "pyramid" LCD device from Pyramid.

 Copyright (C) 2005 Silvan Marco Fin <silvan@kernelconcepts.de>
 Copyright (C) 2006 coresystems GmbH <info@coresystems.de>

 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
 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.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301

 */

#ifndef PYLCD_H
#define PYLCD_H

#include "lcd.h"

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#define MAXCOUNT 10 /* Including terminating NUL */
#define WIDTH 16
#define HEIGHT 2

#define CUSTOMCHARS 8

#define CELLHEIGHT  8
#define CELLWIDTH   5


/** private data for the \c pyramid driver */
typedef struct pyramid_private_data {
    /* device io */
    int FD;
    char device[255];
    fd_set rdfs;
    struct timeval timeout;

    /* device description */
    int width;
    int height;
    int customchars;
    int cellwidth;
    int cellheight;

    /* output handling */
    char framebuffer[WIDTH*HEIGHT+2];
    int FB_modified;
    CGmode custom;

    /* button handling */
    char last_key_pressed[6];
    unsigned long long last_key_time;
    unsigned long long last_buf_time;

    /* cursor handling */
    int C_x;
    int C_y;
    int C_state;

    /* led handling */
    char led[8];

} PrivateData;

MODULE_EXPORT int  pyramid_init (Driver *drvthis);
MODULE_EXPORT void pyramid_close (Driver *drvthis);
MODULE_EXPORT int  pyramid_width (Driver *drvthis);
MODULE_EXPORT int  pyramid_height (Driver *drvthis);
MODULE_EXPORT int  pyramid_cellwidth (Driver *drvthis);
MODULE_EXPORT int  pyramid_cellheight (Driver *drvthis);
MODULE_EXPORT void pyramid_clear (Driver *drvthis);
MODULE_EXPORT void pyramid_flush (Driver *drvthis);
MODULE_EXPORT void pyramid_string (Driver *drvthis, int x, int y, const char string[]);
MODULE_EXPORT void pyramid_chr (Driver *drvthis, int x, int y, char c);
MODULE_EXPORT void pyramid_vbar (Driver *drvthis, int x, int y, int len, int promille, int options);
MODULE_EXPORT void pyramid_hbar (Driver *drvthis, int x, int y, int len, int promille, int options);
MODULE_EXPORT int  pyramid_icon (Driver *drvthis, int x, int y, int icon);
MODULE_EXPORT void pyramid_cursor (Driver *drvthis, int x, int y, int state);
MODULE_EXPORT int  pyramid_get_free_chars (Driver *drvthis);
MODULE_EXPORT void pyramid_set_char (Driver *drvthis, int n, char *dat);
MODULE_EXPORT void pyramid_output (Driver *drvthis, int state);
MODULE_EXPORT const char * pyramid_get_key (Driver *drvthis);
MODULE_EXPORT const char * pyramid_get_info (Driver *drvthis);

#endif