ardupilot/libraries/AP_HAL/utility/BetterStream.h

39 lines
1.1 KiB
C++

//
// 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.
//
#ifndef __AP_HAL_UTILITY_BETTERSTREAM_H__
#define __AP_HAL_UTILITY_BETTERSTREAM_H__
class AP_HAL::BetterStream : public AP_HAL::Stream {
public:
BetterStream(void) {}
// Stream extensions
void print_P(const prog_char_t *);
void println_P(const prog_char_t *);
void printf(const char *, ...)
__attribute__ ((format(__printf__, 2, 3)));
void _printf_P(const prog_char *, ...)
__attribute__ ((format(__printf__, 2, 3)));
virtual int txspace(void);
#define printf_P(fmt, ...) _printf_P((const prog_char *)fmt, ## __VA_ARGS__)
private:
void _vprintf(unsigned char, const char *, va_list)
__attribute__ ((format(__printf__, 3, 0)));
};
#endif // __AP_HAL_UTILITY_BETTERSTREAM_H__