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3e9fa63799
My new belief is that I'm either reading the buffer from the wrong place, or the 68000 isn't filling it for some reason.
30 lines
717 B
C++
30 lines
717 B
C++
//
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// DriveSpeedAccumulator.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 01/06/2019.
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// Copyright © 2019 Thomas Harte. All rights reserved.
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//
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#include "DriveSpeedAccumulator.hpp"
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using namespace Apple::Macintosh;
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void DriveSpeedAccumulator::post_sample(uint8_t sample) {
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// An Euler-esque approximation is used here: just collect all
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// the samples until there is a certain small quantity of them,
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// then produce a new estimate of rotation speed and start the
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// buffer afresh.
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samples_[sample_pointer_] = sample;
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++sample_pointer_;
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if(sample_pointer_ == samples_.size()) {
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sample_pointer_ = 0;
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for(int c = 0; c < 512; c += 32) {
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printf("%u ", samples_[c]);
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}
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printf("\n");
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}
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}
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