66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/* ****************************************************************************
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* stream/open_serial.c -- open a serial stream.
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* Copyright (C) 2017-2018 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libcasio.
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* libcasio is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libcasio 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.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************* */
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#include "stream.h"
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#if !defined(LIBCASIO_DISABLED_STREAMS)
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# define OSF &casio_open_streams_serial
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#elif !defined(LIBCASIO_DISABLED_WINDOWS)
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# define OSF &casio_open_windows_serial
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#else
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# define OSF NULL
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#endif
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CASIO_LOCAL casio_open_serial_stream_t *open_serial_stream_func = OSF;
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/**
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* casio_set_open_serial_stream_func:
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* Set the serial streams opener.
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*
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* NULL resets the function to its default.
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*
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* @arg function the function pointer to set.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_set_open_serial_stream_func(
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casio_open_serial_stream_t *func)
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{
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open_serial_stream_func = func ? func : OSF;
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return (0);
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}
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/**
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* casio_open_serial_stream:
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* Open the serial stream.
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*
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* @arg streamp the stream to make.
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* @arg path the serial device path.
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* @arg attrs the serial attributes.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_open_serial_stream(casio_stream_t **streamp,
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char const *path, casio_streamattrs_t const *attrs)
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{
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if (!open_serial_stream_func)
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return (casio_error_op);
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return ((*open_serial_stream_func)(streamp, path, attrs));
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}
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