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"73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02" +dependencies = [ + "simd-adler32", +] diff --git a/Cargo.toml b/Cargo.toml index 90dbe07..19591e4 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -7,6 +7,7 @@ version = "0.0.0" edition = "2021" [workspace.dependencies] +anyhow = "1.0.80" palette = "0.7.5" showbits-common.path = "./showbits-common" diff --git a/showbits-common/Cargo.toml b/showbits-common/Cargo.toml index 5f02ead..06a1b6f 100644 --- a/showbits-common/Cargo.toml +++ b/showbits-common/Cargo.toml @@ -4,7 +4,7 @@ version.workspace = true edition.workspace = true [dependencies] -anyhow = "1.0.80" +anyhow.workspace = true palette.workspace = true [lints] diff --git a/showbits-thermal-printer/Cargo.toml b/showbits-thermal-printer/Cargo.toml index b721531..0523a19 100644 --- a/showbits-thermal-printer/Cargo.toml +++ b/showbits-thermal-printer/Cargo.toml @@ -4,8 +4,14 @@ version.workspace = true edition.workspace = true [dependencies] +anyhow.workspace = true +axum = "0.7.4" +clap = { version = "4.5.1", features = ["derive", "deprecated"] } +escpos = { version = "0.7.2", features = ["full"] } palette.workspace = true +serde = { version = "1.0.197", features = ["derive"] } showbits-common.workspace = true +tokio = { version = "1.36.0", features = ["full"] } [lints] workspace = true diff --git a/showbits-thermal-printer/src/command.rs b/showbits-thermal-printer/src/command.rs new file mode 100644 index 0000000..2f27e57 --- /dev/null +++ b/showbits-thermal-printer/src/command.rs @@ -0,0 +1,7 @@ +pub enum Command { + Stop, + Test, + Rip, + Text(String), + ChatMessage { username: String, content: String }, +} diff --git a/showbits-thermal-printer/src/main.rs b/showbits-thermal-printer/src/main.rs index 0009322..1dd91c1 100644 --- a/showbits-thermal-printer/src/main.rs +++ b/showbits-thermal-printer/src/main.rs @@ -1,7 +1,31 @@ -mod color; +mod command; +mod printer; +mod server; +mod util; -use showbits_common::Vec2; +use std::path::PathBuf; -fn main() { - println!("{:?}", Vec2::EAST); +use clap::Parser; +use printer::Printer; +use tokio::{runtime::Runtime, sync::mpsc}; + +#[derive(Parser)] +struct Args { + path: PathBuf, + addr: String, +} + +fn main() -> anyhow::Result<()> { + let args = Args::parse(); + + let (tx, rx) = mpsc::channel(3); + let mut printer = Printer::new(rx, &args.path)?; + + let runtime = Runtime::new()?; + runtime.spawn(server::run(tx, args.addr)); + + println!("Running"); + printer.run()?; + + Ok(()) } diff --git a/showbits-thermal-printer/src/printer.rs b/showbits-thermal-printer/src/printer.rs new file mode 100644 index 0000000..c1b712c --- /dev/null +++ b/showbits-thermal-printer/src/printer.rs @@ -0,0 +1,104 @@ +use std::path::Path; + +use escpos::{ + driver::FileDriver, + printer::Printer as EPrinter, + utils::{PageCode, Protocol, ESC}, +}; +use tokio::sync::mpsc; + +use crate::{command::Command, util}; + +pub struct Printer { + rx: mpsc::Receiver, + printer: EPrinter, +} + +impl Printer { + pub fn new(rx: mpsc::Receiver, path: &Path) -> anyhow::Result { + let driver = FileDriver::open(path)?; + + // Experimentation has determined that the printer uses PC437 and the + // page code can't be changed. + // https://en.wikipedia.org/wiki/Code_page_437 + // https://www.epson-biz.com/modules/ref_charcode_en/index.php?content_id=10 + let printer = EPrinter::new(driver, Protocol::default(), Some(PageCode::PC437)); + + Ok(Self { rx, printer }) + } + + pub fn run(&mut self) -> anyhow::Result<()> { + while let Some(command) = self.rx.blocking_recv() { + match command { + Command::Stop => break, + Command::Test => self.on_test()?, + Command::Rip => self.on_rip()?, + Command::Text(text) => self.on_text(text)?, + Command::ChatMessage { username, content } => { + self.on_chat_message(username, content)? + } + } + } + Ok(()) + } + + fn on_test(&mut self) -> anyhow::Result<()> { + self.printer.init()?; + + let x = 48; // bytes + let y = 48; // dots + + let m = 0; + let x_l = x as u8; + let x_h = (x >> 8) as u8; + let y_l = y as u8; + let y_h = (y >> 8) as u8; + let mut command = vec![0x1D, b'v', b'0', m, x_l, x_h, y_l, y_h]; + for y in 0..y { + for x in 0..x { + // command.push((x + y) as u8); + command.push(0b0000_0011); + } + } + self.printer.custom(&command)?; + + self.printer.print()?; + + Ok(()) + } + + fn on_rip(&mut self) -> anyhow::Result<()> { + self.printer.init()?.feeds(6)?.print()?; + Ok(()) + } + + fn on_text(&mut self, text: String) -> anyhow::Result<()> { + let text = util::sanitize(&text); + self.printer.init()?.write(&text)?.print()?; + Ok(()) + } + + fn on_chat_message(&mut self, username: String, content: String) -> anyhow::Result<()> { + let username = util::sanitize(&username); + let content = util::sanitize(&content); + + let username = username + .chars() + .map(|c| if c.is_ascii_whitespace() { '_' } else { c }) + .take(16) + .collect::(); + + let content = content.chars().take(300).collect::(); + + self.printer + .init()? + .reverse(true)? + .write(&username)? + .reverse(false)? + .write(" ")? + .writeln(&content)? + .print()?; + + Ok(()) + } +} diff --git a/showbits-thermal-printer/src/server.rs b/showbits-thermal-printer/src/server.rs new file mode 100644 index 0000000..d4f6cfc --- /dev/null +++ b/showbits-thermal-printer/src/server.rs @@ -0,0 +1,61 @@ +use axum::{extract::State, routing::post, Form, Router}; +use serde::Deserialize; +use tokio::{net::TcpListener, sync::mpsc}; + +use crate::command::Command; + +#[derive(Clone)] +struct Server { + tx: mpsc::Sender, +} + +pub async fn run(tx: mpsc::Sender, addr: String) -> anyhow::Result<()> { + let app = Router::new() + .route("/stop", post(post_stop)) + .route("/test", post(post_test)) + .route("/rip", post(post_rip)) + .route("/text", post(post_text)) + .route("/chat_message", post(post_chat_message)) + .with_state(Server { tx }); + + let listener = TcpListener::bind(addr).await?; + axum::serve(listener, app).await?; + Ok(()) +} + +async fn post_stop(server: State) { + let _ = server.tx.send(Command::Stop).await; +} + +async fn post_test(server: State) { + let _ = server.tx.send(Command::Test).await; +} + +async fn post_rip(server: State) { + let _ = server.tx.send(Command::Rip).await; +} + +#[derive(Deserialize)] +struct PostTextForm { + text: String, +} + +async fn post_text(server: State, request: Form) { + let _ = server.tx.send(Command::Text(request.0.text)).await; +} + +#[derive(Deserialize)] +struct PostChatMessageForm { + username: String, + content: String, +} + +async fn post_chat_message(server: State, request: Form) { + let _ = server + .tx + .send(Command::ChatMessage { + username: request.0.username, + content: request.0.content, + }) + .await; +} diff --git a/showbits-thermal-printer/src/util.rs b/showbits-thermal-printer/src/util.rs new file mode 100644 index 0000000..96cae53 --- /dev/null +++ b/showbits-thermal-printer/src/util.rs @@ -0,0 +1,18 @@ +const CODE_PAGE_437_SECOND_HALF: &str = concat!( + "ÇüéâäàåçêëèïîìÄÅ", + "ÉæÆôöòûùÿÖÜ¢£¥₧ƒ", + "áíóúñѪº¿⌐¬½¼¡«»", + "░▒▓│┤╡╢╖╕╣║╗╝╜╛┐", + "└┴┬├─┼╞╟╚╔╩╦╠═╬╧", + "╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀", + "αßΓπΣσµτΦΘΩδ∞φε∩", + "≡±≥≤⌠⌡÷≈°∙·√ⁿ²■", +); + +fn is_safe(c: char) -> bool { + c.is_ascii_graphic() || c == ' ' || c == '\n' || CODE_PAGE_437_SECOND_HALF.contains(c) +} + +pub fn sanitize(text: &str) -> String { + text.chars().filter(|&c| is_safe(c)).collect::() +}