Created basic sinus output via postcard rpc.

src/communication.rs

@@ -0,0 +1,66 @@
+use tokio::select;
+use tokio::sync::mpsc::Receiver;
+
+use std::sync::{Arc, Mutex};
+
+use crate::icd;
+use crate::client::WorkbookClient;
+
+use crate::plot::TimeSeriesPlot;
+
+pub async fn communicate_with_hardware(
+    mut run_impedancemeter_rx: Receiver<u32>,
+    magnitude: Arc<Mutex<f32>>,
+    phase: Arc<Mutex<f32>>,
+    magnitude_series: Arc<Mutex<TimeSeriesPlot>>,
+    phase_series: Arc<Mutex<TimeSeriesPlot>>,
+) {
+    let workbook_client = WorkbookClient::new();
+
+    let mut sub = workbook_client
+        .client
+        .subscribe_multi::<icd::ImpedanceTopic>(8)
+        .await
+        .unwrap();
+
+    tokio::spawn(async move {
+        while let Ok(val) = sub.recv().await {
+            let mut mag_plot = magnitude_series.lock().unwrap();
+            let mut phase_plot = phase_series.lock().unwrap();
+
+            *magnitude.lock().unwrap() = val.magnitude;
+            *phase.lock().unwrap() = val.phase;
+
+            mag_plot.add(val.magnitude as f64);
+            phase_plot.add(val.phase as f64);
+        }
+    });
+    
+    loop {
+        select! {
+            Some(run) = run_impedancemeter_rx.recv() => {
+                if run > 0 {
+                    // Start the impedancemeter
+                    if let Err(e) = workbook_client.start_impedancemeter(run as f32).await {
+                        eprintln!("Failed to start impedancemeter: {:?}", e);
+                    } else {
+                        println!("Impedancemeter started.");
+                    }
+                } else {
+                    // Stop the impedancemeter
+                    if let Err(e) = workbook_client.stop_impedancemeter().await {
+                        eprintln!("Failed to stop impedancemeter: {:?}", e);
+                    } else {
+                        println!("Impedancemeter stopped.");
+                    }
+                }
+            }
+
+            else => {
+                // All channels closed
+                break;
+            }
+
+        }
+    }
+}