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/* This is the LCDproc driver header for tyan lcd module (tyan Barebone GS series)
Author: yhlu@tyan.com
Copyright (C) 2004 Tyan Corp
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 TYAN_LCDM_H
#define TYAN_LCDM_H
#define DEFAULT_CELL_WIDTH 5
#define DEFAULT_CELL_HEIGHT 8
#define DEFAULT_DEVICE "/dev/lcd"
#define DEFAULT_SPEED 9600
#define DEFAULT_SIZE "16x2"
#define TYAN_LCDM_KEY_ENTER 0xF2
#define TYAN_LCDM_KEY_ESCAPE 0xF3
#define TYAN_LCDM_KEY_RIGHT 0xF5
#define TYAN_LCDM_KEY_LEFT 0xF6
#define TYAN_LCDM_KEY_UP 0xF7
#define TYAN_LCDM_KEY_DOWN 0xF8
#define TYAN_LCDM_CMD_BEGIN 0xF1
#define TYAN_LCDM_CMD_END 0xF2
/* Constants for userdefchar_mode */
#define NUM_CCs 8 /* max. number of custom characters */
typedef struct cgram_cache {
unsigned char cache[LCD_DEFAULT_CELLHEIGHT];
int clean;
} CGram;
/** private data for the \c tyan driver */
typedef struct tyan_lcdm_private_data {
char device[200];
int speed;
int fd;
unsigned char *framebuf;
unsigned char *backingstore;
int width;
int height;
int cellwidth;
int cellheight;
/* definable characters */
CGram cc[NUM_CCs];
CGmode ccmode;
} PrivateData;
/* API: variables for the server core */
MODULE_EXPORT char *api_version = API_VERSION;
MODULE_EXPORT int stay_in_foreground = 0;
MODULE_EXPORT int supports_multiple = 0;
MODULE_EXPORT char *symbol_prefix = "tyan_lcdm_";
/* API: functions for the server core */
MODULE_EXPORT int tyan_lcdm_init (Driver *drvthis, char *device);
MODULE_EXPORT void tyan_lcdm_close (Driver *drvthis);
MODULE_EXPORT int tyan_lcdm_width (Driver *drvthis);
MODULE_EXPORT int tyan_lcdm_height (Driver *drvthis);
MODULE_EXPORT int tyan_lcdm_cellwidth (Driver *drvthis);
MODULE_EXPORT int tyan_lcdm_cellheight (Driver *drvthis);
MODULE_EXPORT void tyan_lcdm_clear (Driver *drvthis);
MODULE_EXPORT void tyan_lcdm_flush (Driver *drvthis);
MODULE_EXPORT void tyan_lcdm_string (Driver *drvthis, int x, int y, const char string[]);
MODULE_EXPORT void tyan_lcdm_chr (Driver *drvthis, int x, int y, char c);
MODULE_EXPORT void tyan_lcdm_vbar (Driver *drvthis, int x, int y, int len, int promille, int options);
MODULE_EXPORT void tyan_lcdm_hbar (Driver *drvthis, int x, int y, int len, int promille, int options);
MODULE_EXPORT void tyan_lcdm_num (Driver *drvthis, int x, int num);
MODULE_EXPORT int tyan_lcdm_icon(Driver *drvthis, int x, int y, int icon);
MODULE_EXPORT int tyan_lcdm_get_free_chars (Driver *drvthis);
MODULE_EXPORT void tyan_lcdm_set_char (Driver *drvthis, int n, unsigned char *dat);
MODULE_EXPORT void tyan_lcdm_backlight (Driver *drvthis, int on);
#endif
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