30 lines
472 B
C++
30 lines
472 B
C++
#pragma once
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#include <array>
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#include "Biquad.h"
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#include "Ptagc.h"
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namespace Pinetime {
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namespace Controllers {
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class Ppg {
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public:
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Ppg();
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int8_t Preprocess(float spl);
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float HeartRate();
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void SetOffset(uint16_t i);
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void Reset();
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private:
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std::array<int8_t, 200> data;
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size_t dataIndex = 0;
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float offset;
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Biquad hpf;
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Ptagc agc;
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Biquad lpf;
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float ProcessHeartRate();
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};
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}
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}
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