53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/*
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* lcd.h:
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* Text-based LCD driver.
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* This is designed to drive the parallel interface LCD drivers
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* based in the Hitachi HD44780U controller and compatables.
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*
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* Copyright (c) 2012 Gordon Henderson.
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***********************************************************************
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* This file is part of wiringPi:
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* https://projects.drogon.net/raspberry-pi/wiringpi/
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*
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* wiringPi is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* wiringPi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
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***********************************************************************
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*/
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#define MAX_LCDS 8
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void lcdHome (const int fd) ;
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extern void lcdClear (const int fd) ;
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extern void lcdDisplay (const int fd, int state) ;
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extern void lcdCursor (const int fd, int state) ;
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extern void lcdCursorBlink (const int fd, int state) ;
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extern void lcdSendCommand (const int fd, unsigned char command) ;
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extern void lcdPosition (const int fd, int x, int y) ;
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extern void lcdCharDef (const int fd, int index, unsigned char data [8]) ;
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extern void lcdPutchar (const int fd, unsigned char data) ;
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extern void lcdPuts (const int fd, const char *string) ;
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extern void lcdPrintf (const int fd, const char *message, ...) ;
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extern int lcdInit (const int rows, const int cols, const int bits,
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const int rs, const int strb,
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const int d0, const int d1, const int d2, const int d3, const int d4,
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const int d5, const int d6, const int d7) ;
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#ifdef __cplusplus
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}
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#endif
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