1/* 2 * Filename: cfag12864b.h 3 * Version: 0.1.0 4 * Description: cfag12864b LCD driver header 5 * License: GPLv2 6 * 7 * Author: Copyright (C) Miguel Ojeda Sandonis 8 * Date: 2006-10-12 9 * 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. 13 * 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. 18 * 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 22 * 23 */ 24 25#ifndef _CFAG12864B_H_ 26#define _CFAG12864B_H_ 27 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)) 36 37/* 38 * The driver will blit this buffer to the LCD 39 * 40 * Its size is CFAG12864B_SIZE. 41 */ 42extern unsigned char * cfag12864b_buffer; 43 44/* 45 * Get the refresh rate of the LCD 46 * 47 * Returns the refresh rate (hertzs). 48 */ 49extern unsigned int cfag12864b_getrate(void); 50 51/* 52 * Enable refreshing 53 * 54 * Returns 0 if successful (anyone was using it), 55 * or != 0 if failed (someone is using it). 56 */ 57extern unsigned char cfag12864b_enable(void); 58 59/* 60 * Disable refreshing 61 * 62 * You should call this only when you finish using the LCD. 63 */ 64extern void cfag12864b_disable(void); 65 66/* 67 * Is enabled refreshing? (is anyone using the module?) 68 * 69 * Returns 0 if refreshing is not enabled (anyone is using it), 70 * or != 0 if refreshing is enabled (someone is using it). 71 * 72 * Useful for buffer read-only modules. 73 */ 74extern unsigned char cfag12864b_isenabled(void); 75 76/* 77 * Is the module inited? 78 */ 79extern unsigned char cfag12864b_isinited(void); 80 81#endif /* _CFAG12864B_H_ */ 82