nrz and nrzi are working right now

2sem_sem2/src/send.rs

@@ -7,6 +7,8 @@ use embassy_sync::{
 };
 use embassy_time::{Duration, Ticker};
 
+use crate::Encoding;
+
 const START: u8 = 0x7E;
 const STOP: u8 = 0x81;
 const BIT_PERIOD: Duration = Duration::from_millis(10);
@@ -66,15 +68,37 @@ fn crc8(crc: u8, byte: u8) -> u8 {
 pub async fn bit_send(
     mut pin: Output<'static>,
     rx: Receiver<'static, CriticalSectionRawMutex, u8, 128>,
+    encoding: Encoding,
 ) {
     let mut ticker = Ticker::every(BIT_PERIOD);
+    let mut is_high = true;
+    pin.set_high();
+
     loop {
         let bit = rx.receive().await;
-        if bit == 1 {
-            pin.set_high();
-        } else {
-            pin.set_low();
-        }
+        match encoding {
+            Encoding::Nrz => {
+                if bit == 1 {
+                    is_high = true;
+                    pin.set_high();
+                } else {
+                    is_high = false;
+                    pin.set_low();
+                }
+            }
+            // toggle, ak sme v 1, inac sa nedeje nic
+            Encoding::Nrzi => {
+                if bit == 1 {
+                    is_high = !is_high;
+                    if is_high {
+                        pin.set_high();
+                    } else {
+                        pin.set_low();
+                    }
+                }
+            }
+        };
+
         // bitrate
         ticker.next().await;
     }