mirror of https://github.com/ArduPilot/ardupilot
87 lines
1.8 KiB
C++
87 lines
1.8 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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//
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// Enhancements to the Arduino Stream class.
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//
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#include "BetterStream.h"
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// Stream extensions////////////////////////////////////////////////////////////
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void
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BetterStream::print_P(const prog_char *s)
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{
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char c;
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while ('\0' != (c = pgm_read_byte(s++)))
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write(c);
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}
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void
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BetterStream::println_P(const char *s)
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{
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print_P(s);
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println();
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}
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// STDIO emulation /////////////////////////////////////////////////////////////
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int
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BetterStream::_putchar(char c, FILE *stream)
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{
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BetterStream *bs;
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bs = (BetterStream *)fdev_get_udata(stream);
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if ('\n' == c)
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bs->write('\r'); // ASCII translation on the cheap
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bs->write(c);
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return(0);
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}
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int
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BetterStream::_getchar(FILE *stream)
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{
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BetterStream *bs;
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bs = (BetterStream *)fdev_get_udata(stream);
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// We return -1 if there is nothing to read, which the library interprets
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// as an error, which our clients will need to deal with.
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return(bs->read());
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}
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int
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BetterStream::printf(const char *fmt, ...)
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{
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va_list ap;
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int i;
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va_start(ap, fmt);
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i = vfprintf(&fd, fmt, ap);
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va_end(ap);
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return(i);
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}
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int
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BetterStream::printf_P(const char *fmt, ...)
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{
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va_list ap;
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int i;
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va_start(ap, fmt);
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i = vfprintf_P(&fd, fmt, ap);
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va_end(ap);
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return(i);
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}
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