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Diffstat (limited to 'gnuradio-runtime/include/gr_fxpt_nco.h')
-rw-r--r-- | gnuradio-runtime/include/gr_fxpt_nco.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/gnuradio-runtime/include/gr_fxpt_nco.h b/gnuradio-runtime/include/gr_fxpt_nco.h deleted file mode 100644 index 36b99ee132..0000000000 --- a/gnuradio-runtime/include/gr_fxpt_nco.h +++ /dev/null @@ -1,153 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2002,2004 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio 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, or (at your option) - * any later version. - * - * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ -#ifndef INCLUDED_GR_FXPT_NCO_H -#define INCLUDED_GR_FXPT_NCO_H - -#include <gr_runtime_api.h> -#include <gr_fxpt.h> -#include <gr_complex.h> - -/*! - * \brief Numerically Controlled Oscillator (NCO) - * \ingroup misc - */ -class /*GR_RUNTIME_API*/ gr_fxpt_nco { - gr_uint32 d_phase; - gr_int32 d_phase_inc; - -public: - gr_fxpt_nco () : d_phase (0), d_phase_inc (0) {} - - ~gr_fxpt_nco () {} - - // radians - void set_phase (float angle) { - d_phase = gr_fxpt::float_to_fixed (angle); - } - - void adjust_phase (float delta_phase) { - d_phase += gr_fxpt::float_to_fixed (delta_phase); - } - - // angle_rate is in radians / step - void set_freq (float angle_rate){ - d_phase_inc = gr_fxpt::float_to_fixed (angle_rate); - } - - // angle_rate is a delta in radians / step - void adjust_freq (float delta_angle_rate) - { - d_phase_inc += gr_fxpt::float_to_fixed (delta_angle_rate); - } - - // increment current phase angle - - void step () - { - d_phase += d_phase_inc; - } - - void step (int n) - { - d_phase += d_phase_inc * n; - } - - // units are radians / step - float get_phase () const { return gr_fxpt::fixed_to_float (d_phase); } - float get_freq () const { return gr_fxpt::fixed_to_float (d_phase_inc); } - - // compute sin and cos for current phase angle - void sincos (float *sinx, float *cosx) const - { - *sinx = gr_fxpt::sin (d_phase); - *cosx = gr_fxpt::cos (d_phase); - } - - // compute cos and sin for a block of phase angles - void sincos (gr_complex *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = gr_complex(gr_fxpt::cos (d_phase) * ampl, gr_fxpt::sin (d_phase) * ampl); - step (); - } - } - - // compute sin for a block of phase angles - void sin (float *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = (float)(gr_fxpt::sin (d_phase) * ampl); - step (); - } - } - - // compute cos for a block of phase angles - void cos (float *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = (float)(gr_fxpt::cos (d_phase) * ampl); - step (); - } - } - - // compute sin for a block of phase angles - void sin (short *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = (short)(gr_fxpt::sin (d_phase) * ampl); - step (); - } - } - - // compute cos for a block of phase angles - void cos (short *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = (short)(gr_fxpt::cos (d_phase) * ampl); - step (); - } - } - - // compute sin for a block of phase angles - void sin (int *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = (int)(gr_fxpt::sin (d_phase) * ampl); - step (); - } - } - - // compute cos for a block of phase angles - void cos (int *output, int noutput_items, double ampl=1.0) - { - for (int i = 0; i < noutput_items; i++){ - output[i] = (int)(gr_fxpt::cos (d_phase) * ampl); - step (); - } - } - - // compute cos or sin for current phase angle - float cos () const { return gr_fxpt::cos (d_phase); } - float sin () const { return gr_fxpt::sin (d_phase); } -}; - -#endif /* INCLUDED_GR_FXPT_NCO_H */ |