2012-04-06 13:29:14 +00:00
|
|
|
//
|
|
|
|
// Copyright 2010-2011 Ettus Research LLC
|
|
|
|
//
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
|
|
// it under the terms of the GNU General Public License as published by
|
|
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
|
|
// (at your option) any later version.
|
|
|
|
//
|
|
|
|
// This program 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 General Public License for more details.
|
|
|
|
//
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
//
|
|
|
|
|
|
|
|
#ifndef INCLUDED_OSMOSDR_RANGES_H
|
|
|
|
#define INCLUDED_OSMOSDR_RANGES_H
|
|
|
|
|
2013-05-30 14:14:22 +00:00
|
|
|
#include <osmosdr/api.h>
|
|
|
|
#include <osmosdr/pimpl.h>
|
2012-04-06 13:29:14 +00:00
|
|
|
#include <string>
|
|
|
|
#include <vector>
|
|
|
|
|
|
|
|
namespace osmosdr{
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* A range object describes a set of discrete values of the form:
|
|
|
|
* y = start + step*n, where n is an integer between 0 and (stop - start)/step
|
|
|
|
*/
|
|
|
|
class OSMOSDR_API range_t{
|
|
|
|
public:
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* Create a range from a single value.
|
|
|
|
* The step size will be taken as zero.
|
|
|
|
* \param value the only possible value in this range
|
|
|
|
*/
|
|
|
|
range_t(double value = 0);
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* Create a range from a full set of values.
|
|
|
|
* A step size of zero implies infinite precision.
|
|
|
|
* \param start the minimum value for this range
|
|
|
|
* \param stop the maximum value for this range
|
|
|
|
* \param step the step size for this range
|
|
|
|
*/
|
|
|
|
range_t(double start, double stop, double step = 0);
|
|
|
|
|
|
|
|
//! Get the start value for this range.
|
|
|
|
double start(void) const;
|
|
|
|
|
|
|
|
//! Get the stop value for this range.
|
|
|
|
double stop(void) const;
|
|
|
|
|
|
|
|
//! Get the step value for this range.
|
|
|
|
double step(void) const;
|
|
|
|
|
|
|
|
//! Convert this range to a printable string
|
|
|
|
const std::string to_pp_string(void) const;
|
|
|
|
|
|
|
|
private: OSMOSDR_PIMPL_DECL(impl) _impl;
|
|
|
|
};
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* A meta-range object holds a list of individual ranges.
|
|
|
|
*/
|
|
|
|
struct OSMOSDR_API meta_range_t : std::vector<range_t>{
|
|
|
|
|
|
|
|
//! A default constructor for an empty meta-range
|
|
|
|
meta_range_t(void);
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* Input iterator constructor:
|
|
|
|
* Makes boost::assign::list_of work.
|
|
|
|
* \param first the begin iterator
|
|
|
|
* \param last the end iterator
|
|
|
|
*/
|
|
|
|
template <typename InputIterator>
|
|
|
|
meta_range_t(InputIterator first, InputIterator last):
|
|
|
|
std::vector<range_t>(first, last){ /* NOP */ }
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* A convenience constructor for a single range.
|
|
|
|
* A step size of zero implies infinite precision.
|
|
|
|
* \param start the minimum value for this range
|
|
|
|
* \param stop the maximum value for this range
|
|
|
|
* \param step the step size for this range
|
|
|
|
*/
|
|
|
|
meta_range_t(double start, double stop, double step = 0);
|
|
|
|
|
|
|
|
//! Get the overall start value for this meta-range.
|
|
|
|
double start(void) const;
|
|
|
|
|
|
|
|
//! Get the overall stop value for this meta-range.
|
|
|
|
double stop(void) const;
|
|
|
|
|
|
|
|
//! Get the overall step value for this meta-range.
|
|
|
|
double step(void) const;
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* Clip the target value to a possible range value.
|
|
|
|
* \param value the value to clip to this range
|
|
|
|
* \param clip_step if true, clip to steps as well
|
|
|
|
* \return a value that is in one of the ranges
|
|
|
|
*/
|
|
|
|
double clip(double value, bool clip_step = false) const;
|
|
|
|
|
2013-02-16 11:19:47 +00:00
|
|
|
/*! return a vector containing all values of the range */
|
|
|
|
std::vector<double> values() const;
|
|
|
|
|
2012-04-06 13:29:14 +00:00
|
|
|
//! Convert this meta-range to a printable string
|
|
|
|
const std::string to_pp_string(void) const;
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
typedef meta_range_t gain_range_t;
|
|
|
|
typedef meta_range_t freq_range_t;
|
|
|
|
|
|
|
|
} //namespace osmosdr
|
|
|
|
|
|
|
|
#endif /* INCLUDED_OSMOSDR_RANGES_H */
|