/* twi.h - Software I2C library for ESP31B Copyright (c) 2015 Hristo Gochkov. All rights reserved. This file is part of the ESP31B core for Arduino environment. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef SI2C_h #define SI2C_h #ifdef __cplusplus extern "C" { #endif void twi_init(unsigned char sda, unsigned char scl); void twi_stop(void); void twi_setClock(unsigned int freq); uint8_t twi_writeTo(unsigned char address, unsigned char * buf, unsigned int len, unsigned char sendStop); uint8_t twi_readFrom(unsigned char address, unsigned char * buf, unsigned int len, unsigned char sendStop); #ifdef __cplusplus } #endif #endif