GNU Radio 3.6.3 C++ API
i2c_bitbang.h
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/* -*- c++ -*- */
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/*
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* Copyright 2001,2004 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_I2C_BITBANG_H
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#define INCLUDED_I2C_BITBANG_H
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#include <
gr_core_api.h
>
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#include <
i2c.h
>
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#include <
i2c_bbio.h
>
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/*!
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* \brief class for controlling i2c bus
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* \ingroup base
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*/
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class
GR_CORE_API
i2c_bitbang
:
public
i2c
{
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friend
GR_CORE_API
i2c_sptr
make_i2c_bitbang
(
i2c_bbio_sptr
io);
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i2c_bitbang
(
i2c_bbio_sptr
io);
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public
:
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~i2c_bitbang
() {}
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//! \returns true iff successful
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bool
write
(
int
addr,
const
unsigned
char
*buf,
int
nbytes);
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//! \returns number of bytes read or -1 if error
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int
read
(
int
addr,
unsigned
char
*buf,
int
max_bytes);
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private
:
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void
start ();
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void
stop ();
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void
write_bit (
bool
bit);
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bool
write_byte (
char
byte);
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void
set_sda (
bool
bit) { d_io->set_sda (bit); }
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void
set_scl (
bool
bit) { d_io->set_scl (bit); }
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bool
get_sda () {
return
d_io->get_sda (); }
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i2c_bbio_sptr
d_io;
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};
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GR_CORE_API
i2c_sptr
make_i2c_bitbang
(
i2c_bbio_sptr
io);
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#endif
/* INCLUDED_I2C_BITBANG_H */
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gnuradio
gnuradio-core
src
lib
io
i2c_bitbang.h
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