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52 lines
2.0 KiB
52 lines
2.0 KiB
/* |
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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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