mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-02 02:49:28 +00:00
29 lines
724 B
C++
29 lines
724 B
C++
//
|
|
// DriveSpeedAccumulator.cpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 01/06/2019.
|
|
// Copyright © 2019 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#include "DriveSpeedAccumulator.hpp"
|
|
|
|
using namespace Apple::Macintosh;
|
|
|
|
void DriveSpeedAccumulator::post_sample(uint8_t sample) {
|
|
// An Euler-esque approximation is used here: just collect all
|
|
// the samples until there is a certain small quantity of them,
|
|
// then produce a new estimate of rotation speed and start the
|
|
// buffer afresh.
|
|
samples_[sample_pointer_] = sample;
|
|
++sample_pointer_;
|
|
|
|
if(sample_pointer_ == samples_.size()) {
|
|
sample_pointer_ = 0;
|
|
// for(int c = 0; c < 512; c += 32) {
|
|
// printf("%u ", samples_[c]);
|
|
// }
|
|
// printf("\n");
|
|
}
|
|
}
|