redesigned dir structure for rust 2018 style guide. made (untested) rtc funtion

src/drivers/nfc_reader.rs

@@ -0,0 +1,29 @@
+use embassy_time::{Duration, Timer};
+use esp_hal::{uart::Uart, Async};
+use log::{ debug, info };
+
+use crate::TallyPublisher;
+
+
+#[embassy_executor::task]
+pub async fn rfid_reader_task(mut uart_device: Uart<'static, Async>, chan: TallyPublisher) {
+    let mut uart_buffer = [0u8; 64];
+
+    loop {
+        debug!("Looking for NFC...");
+        match uart_device.read_async(&mut uart_buffer).await {
+            Ok(n) => {
+                let mut hex_str = heapless::String::<64>::new();
+                for byte in &uart_buffer[..n] {
+                    core::fmt::Write::write_fmt(&mut hex_str, format_args!("{:02X} ", byte)).ok();
+                }
+                info!("Read {n} bytes from UART: {hex_str}");
+                chan.publish([1, 0, 2, 5, 0, 8, 12, 15]).await;
+            }
+            Err(e) => {
+                log::error!("Error reading from UART: {e}");
+            }
+        }
+        Timer::after(Duration::from_millis(200)).await;
+    }
+}