mirror of
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71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <cstdio>
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#include <cstring>
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#include "devicelimesdr.h"
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bool DeviceLimeSDR::setNCOFrequency(lms_device_t *device, bool dir_tx, std::size_t chan, bool enable, float frequency)
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{
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if (enable)
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{
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bool positive;
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float_type freqs[LMS_NCO_VAL_COUNT];
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float_type phos[LMS_NCO_VAL_COUNT];
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if (LMS_GetNCOFrequency(device, dir_tx, chan, freqs, phos) < 0)
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{
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fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot get NCO frequencies and phases\n");
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}
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if (frequency < 0)
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{
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positive = false;
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frequency = -frequency;
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}
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else
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{
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positive = true;
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}
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freqs[0] = frequency;
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if (LMS_SetNCOFrequency(device, dir_tx, chan, freqs, 0.0f) < 0)
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{
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fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot set frequency to %f\n", frequency);
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return false;
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}
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if (LMS_SetNCOIndex(device, dir_tx, chan, 0, !positive) < 0)
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{
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fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot set conversion direction %sfreq\n", positive ? "+" : "-");
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return false;
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}
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return true;
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}
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else
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{
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if (LMS_SetNCOIndex(device, dir_tx, chan, LMS_NCO_VAL_COUNT, true) < 0)
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{
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fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot disable NCO\n");
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return false;
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}
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}
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}
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