/* * lcd.h: * Text-based LCD driver. * This is designed to drive the parallel interface LCD drivers * based in the Hitachi HD44780U controller and compatables. * * Copyright (c) 2012 Gordon Henderson. *********************************************************************** * This file is part of wiringPi: * https://projects.drogon.net/raspberry-pi/wiringpi/ * * wiringPi 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 3 of the License, or * (at your option) any later version. * * wiringPi 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 wiringPi. If not, see . *********************************************************************** */ #define MAX_LCDS 8 extern void lcdHome (int fd) ; extern void lcdClear (int fd) ; extern void lcdPosition (int fd, int x, int y) ; extern void lcdPutchar (int fd, uint8_t data) ; extern void lcdPuts (int fd, char *string) ; extern void lcdPrintf (int fd, char *message, ...) ; extern int lcdInit (int rows, int cols, int bits, int rs, int strb, int d0, int d1, int d2, int d3, int d4, int d5, int d6, int d7) ;