diff options
| author | ghostop14 <ghostop14@gmail.com> | 2020-03-02 17:48:46 -0500 |
|---|---|---|
| committer | mormj <34754695+mormj@users.noreply.github.com> | 2020-03-30 09:57:31 -0400 |
| commit | 6f18944f258d30a0038ab377532562f319d687cf (patch) | |
| tree | b9d6e1daed61c820d880a078f9f5a9363c36c40d /gr-blocks/lib/phase_shift_impl.h | |
| parent | 553b51e295e6b9e03108fdae26a17679f71992d2 (diff) | |
gr-blocks: Add Phase Shift Block with Msg Capabilities
This new block provides a native ability to phase shift signals
for solutions such as DoA and array-based projects. The block
supports both variable and message based updates such that
other blocks can provide the appropriate calculations for shifting
and only send message-based updates when necessary. Based on a
block configuration parameter, shift can be specified either
in radians or degrees. his block functions like a multiply const,
but with the const limited to abs() == 1 to provide a constant
phase shift.
Diffstat (limited to 'gr-blocks/lib/phase_shift_impl.h')
| -rw-r--r-- | gr-blocks/lib/phase_shift_impl.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gr-blocks/lib/phase_shift_impl.h b/gr-blocks/lib/phase_shift_impl.h new file mode 100644 index 0000000000..f0d33a87d9 --- /dev/null +++ b/gr-blocks/lib/phase_shift_impl.h @@ -0,0 +1,43 @@ +/* -*- c++ -*- */ +/* + * Copyright 2020 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * SPDX-License-Identifier: GPL-3.0-or-later + * + */ + +#ifndef INCLUDED_PHASE_SHIFT_IMPL_H +#define INCLUDED_PHASE_SHIFT_IMPL_H + +#include <gnuradio/blocks/phase_shift.h> + +namespace gr { +namespace blocks { + +class phase_shift_impl : public phase_shift +{ +private: + bool d_is_radians; + float d_shift; + gr_complex d_shift_cc; + +public: + phase_shift_impl(float shift, bool is_radians); + ~phase_shift_impl(); + + virtual float get_shift() const { return d_shift; } + virtual void set_shift(float new_value); + + void handle_msg_in(pmt::pmt_t msg); + + int work(int noutput_items, + gr_vector_const_void_star& input_items, + gr_vector_void_star& output_items); +}; + +} // namespace blocks +} // namespace gr + +#endif /* INCLUDED_PHASE_SHIFT_IMPL_H */ |