ardupilot/libraries/FastSerial/BetterStream.cpp

62 lines
1.2 KiB
C++

// -*- Mode: C++; c-basic-offset: 8; indent-tabs-mode: nil -*-
//
// Copyright (c) 2010 Michael Smith. All rights reserved.
//
// This 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.
//
//
// Enhancements to the Arduino Stream class.
//
#include <limits.h>
#include "BetterStream.h"
// Stream extensions////////////////////////////////////////////////////////////
void
BetterStream::print_P(const prog_char_t *s)
{
char c;
while ('\0' != (c = pgm_read_byte((const prog_char *)s++)))
write(c);
}
void
BetterStream::println_P(const prog_char_t *s)
{
print_P(s);
println();
}
void
BetterStream::printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_vprintf(0, fmt, ap);
va_end(ap);
}
void
BetterStream::_printf_P(const prog_char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_vprintf(1, fmt, ap);
va_end(ap);
}
int
BetterStream::txspace(void)
{
// by default claim that there is always space in transmit buffer
return(INT_MAX);
}