3 * Rotary encoder routine(Header).
4 * Copyright (C) 2013-10-21 K.Ohta <whatisthis.sowhat ai gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2,
10 * or (at your option) any later version.
11 * This library / program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 * See the GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this library; see the file COPYING. If not, write to the
18 * Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
21 * As a special exception, if you link this(includeed from sdcc) library
22 * with other files, some of which are compiled with SDCC,
23 * to produce an executable, this library does not by itself cause
24 * the resulting executable to be covered by the GNU General Public License.
25 * This exception does not however invalidate any other reasons why
26 * the executable file might be covered by the GNU General Public License.
31 #include <pic18fregs.h> /* ONLY FOR PIC18x */
39 #define RENC_PH_A PORTBbits.RB5
40 #define RENC_PH_B PORTCbits.RC5
41 #define RENC_TRIS_A TRISBbits.TRISB5
42 #define RENC_TRIS_B TRISCbits.TRISC5
43 #define RENC_NONE 0x00
44 #define RENC_LEFT 0x7f
45 #define RENC_RIGHT 0xff
47 extern unsigned char renc_dir;
48 extern unsigned int renc_count;
50 extern void rencoder_up(unsigned char dir);
51 extern void rencoder_init(void);
52 extern void rencoder_count(void);
53 extern void rencoder_start(void);
54 extern void rencoder_restart(void);
55 extern void rencoder_stop(void);