72 lines
1.5 KiB
Rust
72 lines
1.5 KiB
Rust
#[macro_use]
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extern crate bitflags;
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pub(crate) mod controller;
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use anyhow::{anyhow, Result};
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use log::{debug, error, info, warn};
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use std::{
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fs::{File, OpenOptions},
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io::{Read, Write},
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str::from_utf8,
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sync::{Arc, RwLock},
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thread::spawn,
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time::Instant,
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};
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#[derive(Debug)]
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pub(crate) struct State {
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controller: [u8; 4],
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last_got: Box<Instant>,
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ok: bool,
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}
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pub(crate) type MTState = Arc<RwLock<State>>;
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fn main() -> Result<()> {
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pretty_env_logger::try_init()?;
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let mut vblank = File::open("vblank")?;
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let mut input = OpenOptions::new().write(true).open("input")?;
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let st = {
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let st = State {
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controller: [0; 4],
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last_got: Box::new(Instant::now()),
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ok: true,
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};
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Arc::new(RwLock::new(st))
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};
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info!("ready");
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{
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let st = st.clone();
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spawn(move || controller::test(st));
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}
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loop {
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let mut data = [0; 3];
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debug!("waiting for vblank");
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vblank.read(&mut data)?;
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let str = from_utf8(&data)?;
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debug!("got data: {}", str);
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match str {
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"OK\n" => {
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let data = st.read().unwrap();
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input.write(&data.controller)?
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}
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"BYE" => {
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warn!("asked to exit by the game");
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return Ok(());
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}
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_ => {
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error!("got unknown FIFO data {}", str);
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return Err(anyhow!("unknown FIFO data received"));
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}
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};
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}
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}
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