84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/*
|
|
Streaming.h - Arduino library for supporting the << streaming operator
|
|
Copyright (c) 2010 Mikal Hart. All rights reserved.
|
|
|
|
This library 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.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef ARDUINO_STREAMING
|
|
#define ARDUINO_STREAMING
|
|
|
|
//#include <WProgram.h>
|
|
|
|
#define STREAMING_LIBRARY_VERSION 4
|
|
|
|
// Generic template
|
|
template<class T>
|
|
inline Print &operator <<(Print &stream, T arg)
|
|
{ stream.print(arg); return stream; }
|
|
|
|
struct _BASED
|
|
{
|
|
long val;
|
|
int base;
|
|
_BASED(long v, int b): val(v), base(b)
|
|
{}
|
|
};
|
|
|
|
#define _HEX(a) _BASED(a, HEX)
|
|
#define _DEC(a) _BASED(a, DEC)
|
|
#define _OCT(a) _BASED(a, OCT)
|
|
#define _BIN(a) _BASED(a, BIN)
|
|
#define _BYTE(a) _BASED(a, BYTE)
|
|
|
|
// Specialization for class _BASED
|
|
// Thanks to Arduino forum user Ben Combee who suggested this
|
|
// clever technique to allow for expressions like
|
|
// Serial << _HEX(a);
|
|
|
|
inline Print &operator <<(Print &obj, const _BASED &arg)
|
|
{ obj.print(arg.val, arg.base); return obj; }
|
|
|
|
#if ARDUINO >= 18
|
|
// Specialization for class _FLOAT
|
|
// Thanks to Michael Margolis for suggesting a way
|
|
// to accommodate Arduino 0018's floating point precision
|
|
// feature like this:
|
|
// Serial << _FLOAT(gps_latitude, 6); // 6 digits of precision
|
|
|
|
struct _FLOAT
|
|
{
|
|
float val;
|
|
int digits;
|
|
_FLOAT(double v, int d): val(v), digits(d)
|
|
{}
|
|
};
|
|
|
|
inline Print &operator <<(Print &obj, const _FLOAT &arg)
|
|
{ obj.print(arg.val, arg.digits); return obj; }
|
|
#endif
|
|
|
|
// Specialization for enum _EndLineCode
|
|
// Thanks to Arduino forum user Paul V. who suggested this
|
|
// clever technique to allow for expressions like
|
|
// Serial << "Hello!" << endl;
|
|
|
|
enum _EndLineCode { endl };
|
|
|
|
inline Print &operator <<(Print &obj, _EndLineCode arg)
|
|
{ obj.println(); return obj; }
|
|
|
|
#endif
|
|
|