3 * Text-based LCD driver.
4 * This is designed to drive the parallel interface LCD drivers
5 * based in the Hitachi HD44780U controller and compatables.
7 * Copyright (c) 2012 Gordon Henderson.
8 ***********************************************************************
9 * This file is part of wiringPi:
10 * https://projects.drogon.net/raspberry-pi/wiringpi/
12 * wiringPi is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
17 * wiringPi is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public License
23 * along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
24 ***********************************************************************
29 extern void lcdHome (int fd) ;
30 extern void lcdClear (int fd) ;
31 extern void lcdPosition (int fd, int x, int y) ;
32 extern void lcdPutchar (int fd, uint8_t data) ;
33 extern void lcdPuts (int fd, char *string) ;
34 extern void lcdPrintf (int fd, char *message, ...) ;
40 extern int lcdInit (int rows, int cols, int bits, int rs, int strb,
41 int d0, int d1, int d2, int d3, int d4, int d5, int d6, int d7) ;