Signed-off-by: Slendi <slendi@socopon.com>
This commit is contained in:
2026-03-28 00:45:14 +02:00
commit ecc931dbb7
7 changed files with 926 additions and 0 deletions

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use flake

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target
result
.direnv
# Added by cargo
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"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "fenix",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1731533236,
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1774386573,
"narHash": "sha256-4hAV26quOxdC6iyG7kYaZcM3VOskcPUrdCQd/nx8obc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "46db2e09e1d3f113a13c0d7b81e2f221c63b8ce9",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"fenix": "fenix",
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
},
"rust-analyzer-src": {
"flake": false,
"locked": {
"lastModified": 1774569884,
"narHash": "sha256-E8iWEPzg7OnE0XXXjo75CX7xFauqzJuGZ5wSO9KS8Ek=",
"owner": "rust-lang",
"repo": "rust-analyzer",
"rev": "443ddcddd0c73b07b799d052f5ef3b448c2f3508",
"type": "github"
},
"original": {
"owner": "rust-lang",
"ref": "nightly",
"repo": "rust-analyzer",
"type": "github"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

70
flake.nix Normal file
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@@ -0,0 +1,70 @@
{
description = "Rust flake";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs =
{
nixpkgs,
flake-utils,
fenix,
...
}:
let
overlay =
final: prev:
let
fenixPkgs = fenix.packages.${final.stdenv.hostPlatform.system};
in
{
rustToolchain =
with fenixPkgs;
combine (
with stable;
[
clippy
rustc
cargo
rustfmt
rust-src
]
);
};
in
{
overlays.default = overlay;
}
// flake-utils.lib.eachDefaultSystem (
system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ overlay ];
};
in
{
devShells.default = pkgs.mkShell {
packages = with pkgs; [
rustToolchain
openssl
pkg-config
cargo-deny
cargo-edit
cargo-watch
rust-analyzer
];
shellHook = ''
export RUST_SRC_PATH="${pkgs.rustToolchain}/lib/rustlib/src/rust/library"
'';
};
}
);
}

148
src/main.rs Normal file
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@@ -0,0 +1,148 @@
use anyhow::{Result, anyhow};
use macroquad::prelude::*;
use serialport::SerialPortType;
#[derive(Clone, Copy, Debug)]
pub enum Instruction {
NoteOn(u8),
NoteOff,
Modulation { depth: u8, rate: u8 },
Frequency(u16),
}
pub struct SerialDevice {
port: Box<dyn serialport::SerialPort>,
ready: bool,
}
const CHANNEL_COUNT: u8 = 4;
impl SerialDevice {
pub fn new() -> Result<Self> {
let ports = serialport::available_ports()?;
let mut this: anyhow::Result<Self> = Err(anyhow!("No serial port found"));
for port in ports {
match port.port_type {
SerialPortType::UsbPort(_) => {
this = Ok(Self {
port: serialport::new(port.port_name, 115200).open()?,
ready: true,
});
}
_ => {}
};
break;
}
this
}
fn note_off(&mut self, ch: u8) -> Result<()> {
assert!(self.ready);
assert!((0..CHANNEL_COUNT).contains(&ch));
let bytes: Vec<u8> = vec![0x80 + ch];
self.port.write(&bytes)?;
Ok(())
}
fn note_on(&mut self, ch: u8, note: u8) -> Result<()> {
assert!(self.ready);
assert!((0..CHANNEL_COUNT).contains(&ch));
assert!((0..=127).contains(&note));
let bytes: Vec<u8> = vec![0x90 + ch, note];
self.port.write(&bytes)?;
Ok(())
}
fn modulation(&mut self, ch: u8, depth: u8, rate: u8) -> Result<()> {
assert!(self.ready);
assert!((0..CHANNEL_COUNT).contains(&ch));
assert!((0..=127).contains(&depth));
assert!((0..=255).contains(&rate));
let bytes: Vec<u8> = vec![0xA0 + ch, depth, rate];
self.port.write(&bytes)?;
Ok(())
}
fn frequency_on(&mut self, ch: u8, freq: u16) -> Result<()> {
assert!(self.ready);
assert!((0..CHANNEL_COUNT).contains(&ch));
let bytes: Vec<u8> = vec![0xB0 + ch, (freq & 0xff) as u8, (freq & 0xff00 >> 8) as u8];
self.port.write(&bytes)?;
Ok(())
}
pub fn stop(&mut self) -> Result<()> {
let bytes: Vec<u8> = vec![0xff];
self.port.write(&bytes)?;
Ok(())
}
pub fn execute(&mut self, ch: u8, instruction: Instruction) -> Result<()> {
match instruction {
Instruction::NoteOn(note) => self.note_on(ch, note),
Instruction::NoteOff => self.note_off(ch),
Instruction::Modulation { depth, rate } => self.modulation(ch, depth, rate),
Instruction::Frequency(freq) => self.frequency_on(ch, freq),
}
}
}
const INSTRUCTIONS_PATTERN: usize = 1024;
pub struct Pattern {
pub channels: [[Option<Instruction>; INSTRUCTIONS_PATTERN]; CHANNEL_COUNT as usize],
}
impl Pattern {
pub fn new() -> Self {
Self {
channels: [[None; INSTRUCTIONS_PATTERN]; CHANNEL_COUNT as usize],
}
}
}
pub struct Song {
pub patterns: Vec<Pattern>,
pub pattern_order: Vec<usize>, // index into patterns
}
impl Song {
pub fn new() -> Self {
Self {
patterns: Vec::new(),
pattern_order: Vec::new(),
}
}
}
#[derive(Default)]
struct App {}
impl App {
pub fn new() -> Self {
Self { ..App::default() }
}
pub async fn run(&self) {
loop {
self.update().await;
}
}
async fn update(&self) {
clear_background(RED);
draw_line(40.0, 40.0, 100.0, 200.0, 15.0, BLUE);
draw_rectangle(screen_width() / 2.0 - 60.0, 100.0, 120.0, 60.0, GREEN);
draw_text("Hello, Macroquad!", 20.0, 20.0, 30.0, DARKGRAY);
next_frame().await
}
}
#[macroquad::main("singer")]
async fn main() {
let app = App::new();
app.run().await;
}