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Tomáš Mládek 2021-12-11 15:44:10 +01:00
commit 3a0ab4cbfc
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1
.gitignore vendored Normal file
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/target

178
Cargo.lock generated Normal file
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
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"winapi",
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11
Cargo.toml Normal file
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[package]
name = "sunamp"
version = "0.1.0"
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = "2.33"
chrono = "0.4"
suncalc = "0"

118
src/main.rs Normal file
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use std::{thread, time};
extern crate clap;
use chrono::prelude::*;
use clap::{App, Arg};
use std::process::Command;
fn main() {
let matches = App::new("SunAmp")
.version("0.1")
.arg(
Arg::with_name("period")
.short("n")
.takes_value(true)
.default_value("30"),
)
.arg(
Arg::with_name("latitude")
.long("latitude")
.takes_value(true)
.required(true),
)
.arg(
Arg::with_name("longitude")
.long("longitude")
.takes_value(true)
.required(true),
)
.arg(
Arg::with_name("min")
.long("min")
.takes_value(true)
.default_value("0"),
)
.arg(
Arg::with_name("max")
.long("max")
.takes_value(true)
.default_value("100"),
)
.arg(
Arg::with_name("device")
.long("device")
.takes_value(true)
.default_value("Master"),
)
.get_matches();
let lat = matches
.value_of("latitude")
.unwrap()
.parse::<f64>()
.expect("\"latitude\" has to be a positive number!");
let lon = matches
.value_of("longitude")
.unwrap()
.parse::<f64>()
.expect("\"latitude\" has to be a positive number!");
let period = time::Duration::from_secs(
matches
.value_of("period")
.unwrap()
.parse::<u64>()
.expect("\"period\" has to be a positive number!"),
);
let min = matches
.value_of("min")
.unwrap()
.parse::<f64>()
.expect("\"minimal offset\" has to be a positive number!");
let max = matches
.value_of("max")
.unwrap()
.parse::<f64>()
.expect("\"minimal offset\" has to be a positive number!");
loop {
let now = suncalc::Timestamp(Local::now().timestamp_millis());
let times = suncalc::get_times(now, lat, lon, None);
let max_altitude = suncalc::get_position(times.solar_noon, lat, lon).altitude;
let current_altitude = suncalc::get_position(now, lat, lon).altitude;
let sun_power = (current_altitude / max_altitude * 100.0).clamp(0.00, 100.0);
let sound_power = (sun_power / 100.0 * (max - min) + min)
.clamp(0.0, 100.0)
.round();
println!(
"CURRENT SUN POWER: {:.2}%, TRANSLATED TO SOUND POWER: {}%",
sun_power, sound_power
);
let output = Command::new("amixer")
.arg("-M")
.arg("set")
.arg(matches.value_of("device").unwrap())
.arg(format!("{}%", sound_power))
.output();
// println!("{:?}", output.unwrap());
match output {
Ok(output) => {
if !output.status.success() {
print!("ERROR! {}", std::str::from_utf8(&output.stderr).unwrap());
}
}
Err(error) => {
print!("ERROR! {}", error);
}
}
thread::sleep(period);
}
}