2 * Filename: cfag12864b.h
4 * Description: cfag12864b LCD driver header
7 * Author: Copyright (C) Miguel Ojeda Sandonis <maxextreme@gmail.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #ifndef _CFAG12864B_H_
26 #define _CFAG12864B_H_
28 #define CFAG12864B_WIDTH (128)
29 #define CFAG12864B_HEIGHT (64)
30 #define CFAG12864B_CONTROLLERS (2)
31 #define CFAG12864B_PAGES (8)
32 #define CFAG12864B_ADDRESSES (64)
33 #define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \
34 (CFAG12864B_PAGES) * \
35 (CFAG12864B_ADDRESSES))
38 * The driver will blit this buffer to the LCD
40 * Its size is CFAG12864B_SIZE.
42 extern unsigned char * cfag12864b_buffer;
45 * Get the refresh rate of the LCD
47 * Returns the refresh rate (hertzs).
49 extern unsigned int cfag12864b_getrate(void);
54 * Returns 0 if successful (anyone was using it),
55 * or != 0 if failed (someone is using it).
57 extern unsigned char cfag12864b_enable(void);
62 * You should call this only when you finish using the LCD.
64 extern void cfag12864b_disable(void);
67 * Is enabled refreshing? (is anyone using the module?)
69 * Returns 0 if refreshing is not enabled (anyone is using it),
70 * or != 0 if refreshing is enabled (someone is using it).
72 * Useful for buffer read-only modules.
74 extern unsigned char cfag12864b_isenabled(void);
76 #endif /* _CFAG12864B_H_ */