Rust XHCI scaffolding

rust/lib/client/voyageurs_client/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "voyageurs_client"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+mammoth = { path = "../../mammoth" }
+yellowstone-yunq = { path = "../../yellowstone" }
+yunq = { path = "../../yunq" }
+
+[build-dependencies]
+yunqc = { path = "../../../../yunq/rust" }

rust/lib/client/voyageurs_client/build.rs

@@ -0,0 +1,14 @@
+use std::fs;
+
+fn main() {
+    let input_file = "../../../../sys/voyageurs/lib/voyageurs/voyageurs.yunq";
+
+    println!("cargo::rerun-if-changed={input_file}");
+
+    let input = fs::read_to_string(input_file).expect("Failed to read input file");
+
+    let code = yunqc::codegen(&input).expect("Failed to generate yunq code.");
+
+    let out = std::env::var("OUT_DIR").unwrap() + "/yunq.rs";
+    fs::write(out, code).expect("Failed to write generated code.");
+}

rust/lib/client/voyageurs_client/src/lib.rs

@@ -0,0 +1,8 @@
+#![no_std]
+#![feature(box_into_inner)]
+
+use core::include;
+
+include!(concat!(env!("OUT_DIR"), "/yunq.rs"));
+
+pub mod listener;

rust/lib/client/voyageurs_client/src/listener.rs

@@ -0,0 +1,226 @@
+use alloc::string::ToString;
+use mammoth::cap::Capability;
+use mammoth::port::PortServer;
+use mammoth::thread;
+
+#[repr(u8)]
+#[allow(dead_code)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Copy, Clone)]
+enum Keycode {
+    UnknownKeycode = 0x0,
+
+    A = 0x1,
+    B = 0x2,
+    C = 0x3,
+    D = 0x4,
+    E = 0x5,
+    F = 0x6,
+    G = 0x7,
+    H = 0x8,
+    I = 0x9,
+    J = 0xA,
+    K = 0xB,
+    L = 0xC,
+    M = 0xD,
+    N = 0xE,
+    O = 0xF,
+    P = 0x10,
+    Q = 0x11,
+    R = 0x12,
+    S = 0x13,
+    T = 0x14,
+    U = 0x15,
+    V = 0x16,
+    W = 0x17,
+    X = 0x18,
+    Y = 0x19,
+    Z = 0x1A,
+
+    NUM1 = 0x20,
+    NUM2 = 0x21,
+    NUM3 = 0x22,
+    NUM4 = 0x23,
+    NUM5 = 0x24,
+    NUM6 = 0x25,
+    NUM7 = 0x26,
+    NUM8 = 0x27,
+    NUM9 = 0x28,
+    NUM0 = 0x29,
+
+    Space = 0x30,
+    Enter = 0x31,
+    Tab = 0x32,
+    Backspace = 0x33,
+    Delete = 0x34,
+
+    Minus = 0x40,
+    Equals = 0x41,
+    LBrace = 0x42,
+    RBrace = 0x43,
+    BSlash = 0x44,
+    FSlash = 0x45,
+    Semicolon = 0x46,
+    Quote = 0x47,
+    Comma = 0x48,
+    Period = 0x49,
+    Backtick = 0x4A,
+
+    LShift = 0x50,
+    RShift = 0x51,
+    LCtrl = 0x52,
+    RCtrl = 0x53,
+    LAlt = 0x54,
+    RAlt = 0x55,
+    Super = 0x56,
+    Esc = 0x57,
+    Up = 0x58,
+    Down = 0x59,
+    Left = 0x5A,
+    Right = 0x5B,
+}
+
+impl Keycode {
+    fn from_scancode(scancode: u16) -> Self {
+        match scancode as u8 {
+            0x04 => Keycode::A,
+            0x05 => Keycode::B,
+            0x06 => Keycode::C,
+            0x07 => Keycode::D,
+            0x08 => Keycode::E,
+            0x09 => Keycode::F,
+            0x0A => Keycode::G,
+            0x0B => Keycode::H,
+            0x0C => Keycode::I,
+            0x0D => Keycode::J,
+            0x0E => Keycode::K,
+            0x0F => Keycode::L,
+            0x10 => Keycode::M,
+            0x11 => Keycode::N,
+            0x12 => Keycode::O,
+            0x13 => Keycode::P,
+            0x14 => Keycode::Q,
+            0x15 => Keycode::R,
+            0x16 => Keycode::S,
+            0x17 => Keycode::T,
+            0x18 => Keycode::U,
+            0x19 => Keycode::V,
+            0x1A => Keycode::W,
+            0x1B => Keycode::X,
+            0x1C => Keycode::Y,
+            0x1D => Keycode::Z,
+            0x1E => Keycode::NUM1,
+            0x1F => Keycode::NUM2,
+            0x20 => Keycode::NUM3,
+            0x21 => Keycode::NUM4,
+            0x22 => Keycode::NUM5,
+            0x23 => Keycode::NUM6,
+            0x24 => Keycode::NUM7,
+            0x25 => Keycode::NUM8,
+            0x26 => Keycode::NUM9,
+            0x27 => Keycode::NUM0,
+            0x28 => Keycode::Enter,
+            0x29 => Keycode::Esc,
+            0x2A => Keycode::Backspace,
+            0x2B => Keycode::Tab,
+            0x2C => Keycode::Space,
+            0x2D => Keycode::Minus,
+            0x2E => Keycode::Equals,
+            0x2F => Keycode::LBrace,
+            0x30 => Keycode::RBrace,
+            0x31 => Keycode::BSlash,
+            0x33 => Keycode::Semicolon,
+            0x34 => Keycode::Quote,
+            0x35 => Keycode::Backtick,
+            0x36 => Keycode::Comma,
+            0x37 => Keycode::Period,
+            0x38 => Keycode::FSlash,
+            0x39 => Keycode::Esc,
+            _ => Keycode::UnknownKeycode,
+        }
+    }
+}
+
+struct Modifiers(u8);
+
+impl Modifiers {
+    fn from_scancode(scancode: u16) -> Self {
+        Self((scancode >> 8) as u8)
+    }
+
+    fn is_shift(&self) -> bool {
+        ((self.0 & 0x20) == 0x20) || ((self.0 & 0x2) == 0x2)
+    }
+}
+
+fn into_char(keycode: Keycode, modifiers: Modifiers) -> char {
+    match keycode {
+        k if (Keycode::A..=Keycode::Z).contains(&k) => {
+            if modifiers.is_shift() {
+                let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+                chars.as_bytes()[k as usize - Keycode::A as usize] as char
+            } else {
+                let chars = "abcdefghijklmnopqrstuvwxyz";
+                chars.as_bytes()[k as usize - Keycode::A as usize] as char
+            }
+        }
+        k if (Keycode::NUM1..=Keycode::NUM0).contains(&k) => {
+            if modifiers.is_shift() {
+                let chars = "!@#$%^&*()";
+                chars.as_bytes()[k as usize - Keycode::NUM1 as usize] as char
+            } else {
+                let chars = "12345687890";
+                chars.as_bytes()[k as usize - Keycode::NUM1 as usize] as char
+            }
+        }
+        k if (Keycode::Minus..=Keycode::Backtick).contains(&k) => {
+            if modifiers.is_shift() {
+                let chars = "_+{}|?:\"<>~";
+                chars.as_bytes()[k as usize - Keycode::Minus as usize] as char
+            } else {
+                let chars = "-=[]\\/;',.`";
+                chars.as_bytes()[k as usize - Keycode::Minus as usize] as char
+            }
+        }
+        Keycode::Enter => '\n',
+        Keycode::Space => ' ',
+        Keycode::Tab => '\t',
+        Keycode::Backspace => '\x08',
+        _ => '\0',
+    }
+}
+
+pub trait KeyboardHandler {
+    fn handle_char(&mut self, c: char);
+}
+
+pub fn spawn_keyboard_listener<T>(mut handler: T) -> thread::JoinHandle
+where
+    T: KeyboardHandler + Send + 'static,
+{
+    let listen_port = PortServer::new().unwrap();
+    let voyageur_endpoint = yellowstone_yunq::from_init_endpoint()
+        .get_endpoint(&yellowstone_yunq::GetEndpointRequest {
+            endpoint_name: "voyageurs".to_string(),
+        })
+        .unwrap()
+        .endpoint;
+
+    let mut voyageur_client = crate::VoyageursClient::new(Capability::take(voyageur_endpoint));
+
+    voyageur_client
+        .register_keyboard_listener(&crate::KeyboardListener {
+            port_capability: listen_port.create_client_cap().unwrap(),
+        })
+        .unwrap();
+
+    let listen_thread = move || loop {
+        let scancode = listen_port.recv_u16().expect("Failed to recieve scancode");
+
+        let keycode = Keycode::from_scancode(scancode);
+        let modifiers = Modifiers::from_scancode(scancode);
+
+        handler.handle_char(into_char(keycode, modifiers))
+    };
+
+    thread::spawn(listen_thread)
+}