display is working

mqtt_display/Cargo.lock

@@ -267,6 +267,15 @@ dependencies = [
  "syn 2.0.106",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ececcb659e7ba858fb4f10388c250a7252eb0a27373f1a72b8748afdd248e587"
+dependencies = [
+ "powerfmt",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -1169,9 +1178,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fe90c1150662e858c7d5f945089b7517b0a80d8bf7ba4b1b5ffc984e7230a5b"
 dependencies = [
  "hashbrown",
+ "portable-atomic",
+ "portable-atomic-util",
  "thiserror",
 ]
 
+[[package]]
+name = "line-clipping"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f4de44e98ddbf09375cbf4d17714d18f39195f4f4894e8524501726fd9a8a4a"
+dependencies = [
+ "bitflags 2.10.0",
+]
+
 [[package]]
 name = "linked_list_allocator"
 version = "0.10.5"
@@ -1258,6 +1278,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d5439c4ad607c3c23abf66de8c8bf57ba8adcd1f129e699851a6e43935d339d"
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-derive"
 version = "0.4.2"
@@ -1332,6 +1358,12 @@ dependencies = [
  "syn 2.0.106",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.4.0"
@@ -1420,6 +1452,7 @@ dependencies = [
  "heapless 0.9.1",
  "log",
  "mousefood",
+ "ratatui",
  "rust-mqtt",
  "smoltcp",
  "ssd1306",
@@ -1464,6 +1497,18 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
 
+[[package]]
+name = "ratatui"
+version = "0.30.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1ce67fb8ba4446454d1c8dbaeda0557ff5e94d39d5e5ed7f10a65eb4c8266bc"
+dependencies = [
+ "instability",
+ "ratatui-core",
+ "ratatui-macros",
+ "ratatui-widgets",
+]
+
 [[package]]
 name = "ratatui-core"
 version = "0.1.0"
@@ -1484,6 +1529,35 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "ratatui-macros"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7f1342a13e83e4bb9d0b793d0ea762be633f9582048c892ae9041ef39c936f4"
+dependencies = [
+ "ratatui-core",
+ "ratatui-widgets",
+]
+
+[[package]]
+name = "ratatui-widgets"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7dbfa023cd4e604c2553483820c5fe8aa9d71a42eea5aa77c6e7f35756612db"
+dependencies = [
+ "bitflags 2.10.0",
+ "hashbrown",
+ "indoc",
+ "instability",
+ "itertools 0.14.0",
+ "line-clipping",
+ "ratatui-core",
+ "strum",
+ "time",
+ "unicode-segmentation",
+ "unicode-width",
+]
+
 [[package]]
 name = "riscv"
 version = "0.12.1"
@@ -1726,6 +1800,24 @@ dependencies = [
  "syn 2.0.106",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
+dependencies = [
+ "deranged",
+ "num-conv",
+ "powerfmt",
+ "time-core",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40868e7c1d2f0b8d73e4a8c7f0ff63af4f6d19be117e90bd73eb1d62cf831c6b"
+
 [[package]]
 name = "toml_datetime"
 version = "0.7.2"

mqtt_display/Cargo.toml

@@ -73,6 +73,7 @@ embassy-sync = "0.7.2"
 heapless = "0.9.1"
 mousefood = { git = "https://github.com/j-g00da/mousefood", branch = "main", default-features = false }
 ssd1306 = "0.10.0"
+ratatui = { version = "0.30.0", default-features = false, features = ["macros", "all-widgets", "portable-atomic"] }
 
 [build-dependencies]
 dotenvy = "0.15.7"

mqtt_display/src/bin/main.rs

@@ -25,6 +25,7 @@ use projekt_final::mqtt::client::{
     mqtt_events, mqtt_publish, mqtt_subscribe, mqtt_task, IncomingMsg,
 };
 use projekt_final::i2c::com::i2c_check;
+use projekt_final::i2c::com::display_task;
 use defmt_rtt as _;
 
 extern crate alloc;
@@ -102,7 +103,7 @@ async fn main(spawner: Spawner) -> ! {
     spawner.spawn(mqtt_task(stack)).expect("failed to spawn MQTT task");
     info!("MQTT task started");
 
-    spawner.spawn(i2c_check()).expect("failed to spawn I2C task");
+    spawner.spawn(display_task()).expect("failed to spawn Display task");
     info!("I2C scan task started");
 
     mqtt_publish("esp32/topic", b"hello from ESP32 (init)", QualityOfService::QoS1, false).await;

mqtt_display/src/i2c/com.rs

@@ -3,35 +3,92 @@
 use embassy_executor::task;
 use embassy_time::{Duration, Timer};
 use esp_hal::{
-    gpio::Io,
     i2c::master::{Config, I2c},
     peripherals::Peripherals,
 };
-use esp_println::println;
+use ssd1306::mode::BufferedGraphicsMode;
+use log::info;
+
+#[task]
+pub async fn display_task() {
+    use mousefood::{EmbeddedBackend, EmbeddedBackendConfig};
+    use ratatui::{
+        layout::{Constraint, Direction, Layout},
+        widgets::{Block, Borders, Paragraph},
+        Terminal,
+    };
+    use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
+
+    let peripherals = unsafe { Peripherals::steal() };
+
+    let i2c = I2c::new(peripherals.I2C0, Config::default())
+        .expect("Failed to initialize I2C")
+        .with_sda(peripherals.GPIO21)
+        .with_scl(peripherals.GPIO22);
+
+    let interface = I2CDisplayInterface::new(i2c);
+    let mut display = Ssd1306::new(interface, DisplaySize128x64, DisplayRotation::Rotate0)
+        .into_buffered_graphics_mode();
+
+    display.init().unwrap();
+
+    let config = EmbeddedBackendConfig {
+        flush_callback: alloc::boxed::Box::new(|display| {
+            let d: &mut Ssd1306<_, _, BufferedGraphicsMode<DisplaySize128x64>> = display;
+            d.flush().unwrap();
+        }),
+        ..Default::default()
+    };
+
+    let backend = EmbeddedBackend::new(&mut display, config);
+    let mut terminal = Terminal::new(backend).unwrap();
+
+    let mut counter = 0;
+
+    loop {
+        terminal
+            .draw(|f| {
+                let chunks = Layout::default()
+                    .direction(Direction::Vertical)
+                    .constraints([Constraint::Length(3), Constraint::Min(0)])
+                    .split(f.area());
+
+                f.render_widget(
+                    Block::default().title(" ESP32 Status ").borders(Borders::ALL),
+                    chunks[0],
+                );
+
+                let content = alloc::format!("MQTT Active\nCounter: {}", counter);
+                f.render_widget(
+                    Paragraph::new(content).block(
+                        Block::default().borders(Borders::LEFT | Borders::RIGHT | Borders::BOTTOM),
+                    ),
+                    chunks[1],
+                );
+            })
+            .unwrap();
+
+        counter += 1;
+        Timer::after(Duration::from_millis(1000)).await;
+    }
+}
 
 #[task]
 pub async fn i2c_check() {
     let peripherals = unsafe { Peripherals::steal() };
-    let _io = Io::new(peripherals.IO_MUX);
-
-    let sda = peripherals.GPIO21;
-    let scl = peripherals.GPIO22;
-
     let mut i2c = I2c::new(peripherals.I2C0, Config::default())
         .expect("Failed to initialize I2C")
-        .with_sda(sda)
+        .with_sda(peripherals.GPIO21)
-        .with_scl(scl);
+        .with_scl(peripherals.GPIO22);
 
     loop {
-        println!("I2C bus scan start");
+        info!("hehe");
-        // Skenujeme adresy 0x03 až 0x77
+        esp_println::println!("I2C bus scan start");
         for addr in 0x03..0x78 {
-            // Skúsime zapísať prázdne dáta na adresu
             if i2c.write(addr, &[]).is_ok() {
-                println!("Device found at address 0x{:02X}", addr);
+                esp_println::println!("Device found at address 0x{:02X}", addr);
             }
         }
-        println!("Scan finished");
         Timer::after(Duration::from_secs(5)).await;
     }
 }

mqtt_display/src/lib.rs

@@ -1,4 +1,5 @@
 #![no_std]
+extern crate alloc;
 
 pub mod mqtt;
 pub mod i2c;