4 * Copyright (C) 2013-06-10 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.
30 #include <pic18fregs.h> /* ONLY FOR PIC18x */
46 #define I2C_CLOCK_PARAM 4 // 8MHz/(4*(1+I2C_CLOCK_PARAM)) -> 400KHz
47 //#define I2C_CLOCK_PARAM 15 // 8MHz/(4*(1+I2C_CLOCK_PARAM)) -> 100KHz
48 #define I2C_DEFAULT_MODE I2C_MASTER
49 #define I2C_SLEW_DEFAULT I2C_SLEW_OFF
51 #define OPENASMASTER() i2c_open(I2C_DEFAULT_MODE, I2C_SLEW_DEFAULT, I2C_CLOCK_PARAM)
52 #define CLOSEASMASTER() i2c_close()
53 extern void i2c1_init(void);
54 extern void i2c2_init(void);