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/* -*- c++ -*- */
/*
* Copyright 2014 Analog Devices Inc.
* Author: Paul Cercueil <paul.cercueil@analog.com>
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_IIO_DEVICE_SOURCE_H
#define INCLUDED_IIO_DEVICE_SOURCE_H
#include <gnuradio/iio/api.h>
#include <gnuradio/sync_block.h>
#define DEFAULT_BUFFER_SIZE 0x8000
extern "C" {
struct iio_context;
};
namespace gr {
namespace iio {
/*!
* \brief Generic source for IIO drivers with buffered output channels
* \ingroup iio
*
* \details
* This block allows for streaming data from any IIO driver which has output
* scan elements or buffered channels.
*/
class IIO_API device_source : virtual public gr::sync_block
{
public:
typedef std::shared_ptr<device_source> sptr;
/*!
* \brief Return a shared_ptr to a new instance of iio::device.
*
* \param uri String of the context uri
* \param device String of device name
* \param channels Vector of strings of channels names
* \param device_phy String of phy device name where attribute updates are
* applied
* \param params Vector of strings of attributes to set in form:
* "<attribute name>=<value to set>,<attribute name>=<value to set>"
* \param buffer_size Integer number of samples to be put into each IIO
* buffered passed to hardware.
* \param decimation Integer number of sample to remove from received
* data buffers between successive samples
*/
static sptr make(const std::string& uri,
const std::string& device,
const std::vector<std::string>& channels,
const std::string& device_phy,
const std::vector<std::string>& params,
unsigned int buffer_size = DEFAULT_BUFFER_SIZE,
unsigned int decimation = 0);
static sptr make_from(iio_context* ctx,
const std::string& device,
const std::vector<std::string>& channels,
const std::string& device_phy,
const std::vector<std::string>& params,
unsigned int buffer_size = DEFAULT_BUFFER_SIZE,
unsigned int decimation = 0);
/*!
* \brief Key of the packet length tag. If empty no tag will be emitted
*/
virtual void set_len_tag_key(const std::string& len_tag_key) = 0;
/*!
* \brief Number of samples to be put into each IIO
* buffered passed to hardware.
*/
virtual void set_buffer_size(unsigned int buffer_size) = 0;
virtual void set_timeout_ms(unsigned long timeout) = 0;
};
} // namespace iio
} // namespace gr
#endif /* INCLUDED_IIO_DEVICE_SOURCE_H */
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