GNU Radio Manual and C++ API Reference  3.10.3.0
The Free & Open Software Radio Ecosystem
device_sink_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 Analog Devices Inc.
4  * Author: Paul Cercueil <paul.cercueil@analog.com>
5  *
6  * SPDX-License-Identifier: GPL-3.0-or-later
7  *
8  */
9 
10 #ifndef INCLUDED_IIO_DEVICE_SINK_IMPL_H
11 #define INCLUDED_IIO_DEVICE_SINK_IMPL_H
12 
14 #include <iio.h>
15 
16 #include <string>
17 #include <vector>
18 
19 namespace gr {
20 namespace iio {
21 
23 {
24 private:
25  void channel_write(const iio_channel* chn, const void* src, size_t len);
26  std::vector<tag_t> d_tags;
27 
28 protected:
29  iio_context* ctx;
30  iio_device *dev, *phy;
31  iio_buffer* buf;
32  std::vector<iio_channel*> channel_list;
33  unsigned int interpolation;
34  unsigned int buffer_size;
38 
39 public:
40  device_sink_impl(iio_context* ctx,
41  bool destroy_ctx,
42  const std::string& device,
43  const std::vector<std::string>& channels,
44  const std::string& device_phy,
45  const iio_param_vec_t& params,
46  unsigned int buffer_size = DEFAULT_BUFFER_SIZE,
47  unsigned int interpolation = 0,
48  bool cyclic = false);
49 
51 
52  void set_params(const iio_param_vec_t& params);
53 
54  void set_len_tag_key(const std::string& len_tag_key) override;
55 
56  // Where all the action really happens
57  int work(int noutput_items,
58  gr_vector_const_void_star& input_items,
59  gr_vector_void_star& output_items) override;
60 
61  void forecast(int noutput_items, gr_vector_int& ninput_items_required) override;
62 };
63 
64 } // namespace iio
65 } // namespace gr
66 
67 #endif /* INCLUDED_IIO_DEVICE_SINK_IMPL_H */
Definition: device_sink_impl.h:23
void forecast(int noutput_items, gr_vector_int &ninput_items_required) override
Estimate input requirements given output request.
iio_device * phy
Definition: device_sink_impl.h:30
void set_params(const iio_param_vec_t &params)
pmt::pmt_t d_len_tag_key
Definition: device_sink_impl.h:36
unsigned int buffer_size
Definition: device_sink_impl.h:34
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) override
just like gr::block::general_work, only this arranges to call consume_each for you
device_sink_impl(iio_context *ctx, bool destroy_ctx, const std::string &device, const std::vector< std::string > &channels, const std::string &device_phy, const iio_param_vec_t &params, unsigned int buffer_size=DEFAULT_BUFFER_SIZE, unsigned int interpolation=0, bool cyclic=false)
iio_buffer * buf
Definition: device_sink_impl.h:31
unsigned int interpolation
Definition: device_sink_impl.h:33
iio_device * dev
Definition: device_sink_impl.h:30
std::vector< iio_channel * > channel_list
Definition: device_sink_impl.h:32
bool destroy_ctx
Definition: device_sink_impl.h:35
uint16_t override_tagged_input_channels
Definition: device_sink_impl.h:37
iio_context * ctx
Definition: device_sink_impl.h:29
void set_len_tag_key(const std::string &len_tag_key) override
Generic sink for IIO drivers with buffered input channels.
Definition: device_sink.h:38
#define DEFAULT_BUFFER_SIZE
Definition: device_sink.h:20
std::vector< iio_param_t > iio_param_vec_t
Definition: iio_types.h:44
GNU Radio logging wrapper.
Definition: basic_block.h:29
std::shared_ptr< pmt_base > pmt_t
typedef for shared pointer (transparent reference counting).
Definition: pmt.h:83
std::vector< const void * > gr_vector_const_void_star
Definition: types.h:28
std::vector< void * > gr_vector_void_star
Definition: types.h:27
std::vector< int > gr_vector_int
Definition: types.h:23