sw: change units

2026-09-07 18:54:01 +03:00
parent 09e8ade74c
commit 0526157bfc
1 changed files with 13 additions and 2 deletions
@@ -641,7 +641,7 @@ class MainWindow(QMainWindow):
    def setup_graph(self):
        self.graph_widget = pg.PlotWidget()
        self.graph_widget.setLabel("left", "ADC value")
-        self.graph_widget.setLabel("bottom", "Sample")
+        self.graph_widget.setLabel("bottom", "Distance", units="km")
        self.graph_widget.showGrid(x=True, y=True)

        self.graph_curve = self.graph_widget.plot(
@@ -784,7 +784,18 @@ class MainWindow(QMainWindow):
            self.graph_curve.setData([])
            return

-        x = list(range(len(self.data)))
+        LS = 200000  # km/s
+
+        period_us = self.pulse_period / self.dac_clk
+        max_distance_km = LS * period_us / 10e6
+
+        sample_count = len(self.data)
+
+        x = [
+            i * max_distance_km / sample_count
+            for i in range(sample_count)
+        ]
+
        self.graph_curve.setData(x, self.data)

    def update_reference_graph(self):