zentux/zwote_sonne
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chore: Remove unused main.rs

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This commit is contained in:
Arne Dußin 2024-08-22 22:12:37 +02:00
parent 797ab60b8b
commit 5b1decf4a4
1 changed files with 0 additions and 39 deletions
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39
src/main.rs
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@ -1,39 +0,0 @@
use core::f64;
use std::f64::consts::TAU;
use std::thread;
use std::time::{Duration, Instant};
use rppal::pwm::{Channel, Polarity, Pwm};
/// 1 kHz PWM frequency
const PWM_FREQUENCY: f64 = 1000.;
fn triangle_wave(t: f64) -> f64 { (t - (t + 0.5).floor()).abs() * 2. }
fn sine_wave(t: f64) -> f64 { (f64::sin(TAU * t) + 1.) * 0.5 }
fn square_wave(t: f64, high_time: f64) -> f64
{
if t - t.floor() < high_time {
1.
}
else {
0.
}
}
fn sawtooth_wave(t: f64) -> f64 { t - t.floor() }
fn main()
{
println!("Starting light control");
let pwm = Pwm::with_frequency(Channel::Pwm0, PWM_FREQUENCY, 0.5, Polarity::Normal, true)
.expect("Unable to initialise PWM");
let start = Instant::now();
loop {
let time = start.elapsed().as_secs_f64();
let brightness = sawtooth_wave(time * 0.5);
pwm.set_duty_cycle(brightness).unwrap();
thread::sleep(Duration::from_millis(5));
}
}