ardupilot/libraries/AP_HAL_Empty/DSP.h

33 lines
1.4 KiB
C++

/*
* This file 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 of the License, or
* (at your option) any later version.
*
* This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Code by Andy Piper
*/
#pragma once
#include "AP_HAL_Empty.h"
class Empty::DSP : public AP_HAL::DSP {
#if HAL_WITH_DSP
public:
virtual FFTWindowState* fft_init(uint16_t window_size, uint16_t sample_rate) override { return nullptr; }
virtual void fft_start(FFTWindowState* state, const float* samples, uint16_t buffer_index, uint16_t buffer_size) override {}
virtual uint16_t fft_analyse(FFTWindowState* state, uint16_t start_bin, uint16_t end_bin, uint8_t harmonics, float noise_att_cutoff) override { return 0; }
protected:
virtual void vector_max_float(const float* vin, uint16_t len, float* maxValue, uint16_t* maxIndex) const override {}
virtual void vector_scale_float(const float* vin, float scale, float* vout, uint16_t len) const override {}
#endif // HAL_WITH_DSP
};