Created basic sinus output via postcard rpc.

src/plot.rs

@@ -0,0 +1,42 @@
+use std::collections::VecDeque;
+
+use egui_plot::{PlotPoint, PlotPoints};
+
+pub struct TimeSeriesPlot {
+    pub values: VecDeque<PlotPoint>,
+    max_points: usize,
+}
+
+impl TimeSeriesPlot {
+    pub fn new() -> Self {
+        let max_points = 2000;
+        Self {
+            values: (0..max_points as i32)
+                .map(|i| PlotPoint::new(i, 0.0))
+                .collect(), // Create x amount of (0,0) points
+            max_points,
+        }
+    }
+
+    pub fn add(&mut self, val: f64) {
+        let last_x = self.values.back().unwrap().x;
+
+        if last_x >= self.max_points as f64 {
+            self.values.pop_front();
+        }
+
+        self.values.push_back(PlotPoint::new(last_x + 1.0, val));
+    }
+
+    pub fn plot_values(&self) -> PlotPoints {
+        PlotPoints::Owned(Vec::from_iter(self.values.iter().copied()))
+    }
+
+    pub fn plot_values_negative(&self) -> PlotPoints {
+        let mut values = Vec::from_iter(self.values.iter().copied());
+        for point in &mut values {
+            point.y = -point.y;
+        }
+        PlotPoints::Owned(Vec::from_iter(values))
+    }
+}