add lcd-writer to server

server/Cargo.toml

@@ -10,3 +10,4 @@ async-std = { version = "1.12.0", features = ["attributes"] }
 local-ip-address = "0.5.6"
 serde = { version = "1.0.193", features = ["derive"] }
 tide = "0.16.0"
+lcd-writer = { path = "../lcd-writer" }

server/src/main.rs

@@ -1,16 +1,34 @@
 use local_ip_address::local_ip;
+use std::sync::{Arc, Mutex};
 use tide::prelude::*;
 use tide::Request;
 
+use lcd_writer::lcd::Lcd;
+
+#[derive(Clone)]
+struct App {
+    values: Vec<i32>,
+    lcd: Arc<Mutex<Lcd>>,
+}
+
+impl App {
+    fn new(lcd: Lcd) -> Self {
+        App {
+            values: Vec::new(),
+            lcd: Arc::new(Mutex::new(lcd)),
+        }
+    }
+}
+
 #[derive(Debug, Deserialize)]
 struct Sample {
-    message: String,
     value: i32,
 }
 
 #[async_std::main]
 async fn main() -> tide::Result<()> {
-    let mut app = tide::new();
+    let lcd = Lcd::new()?;
+    let mut app = tide::with_state(App::new(lcd));
     app.at("/sample").post(send_sample);
     if let Ok(ip) = local_ip() {
         println!("Starting server at {ip}:8000!");
@@ -21,8 +39,16 @@ async fn main() -> tide::Result<()> {
     Ok(())
 }
 
-async fn send_sample(mut req: Request<()>) -> tide::Result {
-    let Sample { message, value } = req.body_json().await?;
-    println!("Ok, message: {}, value: {}", message, value);
-    Ok(format!("Ok, message: {}, value: {}", message, value).into())
+async fn send_sample(mut req: Request<App>) -> tide::Result {
+    let Sample { value } = req.body_json().await?;
+
+    let lcd = req.state().lcd.lock()?;
+    lcd.clear();
+    lcd.set_cursor(0, 0);
+    lcd.write(format!("Value: {}", value).as_str());
+
+    req.state().values.push(value);
+
+    println!("Ok, value: {}", value);
+    Ok(format!("Ok, value: {}", value).into())
 }