mirror of https://github.com/ArduPilot/ardupilot
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// -*- Mode: C++; c-basic-offset: 8; indent-tabs-mode: nil -*-
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//
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// Copyright (c) 2010 Michael Smith. All rights reserved.
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//
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// This is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License as published by the
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// Free Software Foundation; either version 2.1 of the License, or (at
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// your option) any later version.
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//
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#ifndef __BETTERSTREAM_H
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#define __BETTERSTREAM_H
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#include <Stream.h>
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#include <avr/pgmspace.h>
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class BetterStream : public Stream {
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public:
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BetterStream(void) {
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// init stdio
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fdev_setup_stream(&fd, &BetterStream::_putchar, &BetterStream::_getchar, _FDEV_SETUP_RW);
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fdev_set_udata(&fd, this);
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}
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// Stream extensions
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void print_P(const char *s);
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void println_P(const char *s);
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// stdio extensions
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int printf(const char *fmt, ...);
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int printf_P(const char *fmt, ...);
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protected:
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// subclasses can use this to e.g. set up stdin/stdout/stderr.
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FILE fd;
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private:
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// stdio emulation
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static int _putchar(char c, FILE *stream);
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static int _getchar(FILE *stream);
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};
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#endif // __BETTERSTREAM_H
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