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AP_HAL_Empty: add harmonics to DSP 

add DSP vector mean function
add ObjectBuffer signature
This commit is contained in:
Andy Piper 2020-03-05 21:56:40 +00:00 committed by Andrew Tridgell
parent 33c1523905
commit 13e40a3002
1 changed files with 4 additions and 4 deletions
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8
libraries/AP_HAL_Empty/DSP.h
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@ -21,12 +21,12 @@
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; }
virtual FFTWindowState* fft_init(uint16_t window_size, uint16_t sample_rate, uint8_t harmonics) override { return nullptr; }
virtual void fft_start(FFTWindowState* state, FloatBuffer& samples, uint16_t advance) override {}
virtual uint16_t fft_analyse(FFTWindowState* state, uint16_t start_bin, uint16_t end_bin, 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 {}
virtual float vector_mean_float(const float* vin, uint16_t len) const override { return 0.0f; };
#endif // HAL_WITH_DSP
};