ESP8266
twi.h
1 /*
2  twi.h - Software I2C library for esp8266
3 
4  Copyright (c) 2015 Hristo Gochkov. All rights reserved.
5  This file is part of the esp8266 core for Arduino environment.
6 
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Lesser General Public
9  License as published by the Free Software Foundation; either
10  version 2.1 of the License, or (at your option) any later version.
11 
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Lesser General Public License for more details.
16 
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 #ifndef SI2C_h
22 #define SI2C_h
23 #include "Arduino.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 void twi_init(unsigned char sda, unsigned char scl);
30 void twi_stop(void);
31 void twi_setClock(unsigned int freq);
32 uint8_t twi_writeTo(unsigned char address, unsigned char * buf, unsigned int len, unsigned char sendStop);
33 uint8_t twi_readFrom(unsigned char address, unsigned char * buf, unsigned int len, unsigned char sendStop);
34 
35 #ifdef __cplusplus
36 }
37 #endif
38 
39 #endif