feat: 支持修改单位

src/components/Oscilloscope/index.ts

@@ -1,26 +1,42 @@
 import WaveformDisplay from "./WaveformDisplay.vue";
 
-// Test data generator
-const generateTestData = () => {
-    const sampleRate = 1000; // 1kHz
-    const duration = 0.1; // 10ms
-    const points = Math.floor(sampleRate * duration);
-    
-    const x = Array.from({ length: points }, (_, i) => i / sampleRate * 1000); // time in ms
-    
-    // Generate multiple channels with different waveforms
-    const y = [
-        // Channel 1: Sine wave 50Hz
-        Array.from({ length: points }, (_, i) => Math.sin(2 * Math.PI * 50 * i / sampleRate) * 3.3),
-        // Channel 2: Square wave 25Hz
-        Array.from({ length: points }, (_, i) => Math.sign(Math.sin(2 * Math.PI * 25 * i / sampleRate)) * 5),
-        // Channel 3: Sawtooth wave 33Hz
-        Array.from({ length: points }, (_, i) => (2 * ((33 * i / sampleRate) % 1) - 1) * 2.5),
-        // Channel 4: Noise + DC offset
-        Array.from({ length: points }, () => Math.random() * 0.5 + 1.5)
-    ];
-    
-    return { x, y };
+type WaveformDataType = {
+  x: number[];
+  y: number[][];
+  xUnit: "s" | "ms" | "us";
+  yUnit: "V" | "mV" | "uV";
 };
 
-export { WaveformDisplay, generateTestData };
+// Test data generator
+function generateTestData(): WaveformDataType {
+  const sampleRate = 1000; // 1kHz
+  const duration = 0.1; // 10ms
+  const points = Math.floor(sampleRate * duration);
+
+  const x = Array.from({ length: points }, (_, i) => (i / sampleRate) * 1000); // time in ms
+
+  // Generate multiple channels with different waveforms
+  const y = [
+    // Channel 1: Sine wave 50Hz
+    Array.from(
+      { length: points },
+      (_, i) => Math.sin((2 * Math.PI * 50 * i) / sampleRate) * 3.3,
+    ),
+    // Channel 2: Square wave 25Hz
+    Array.from(
+      { length: points },
+      (_, i) => Math.sign(Math.sin((2 * Math.PI * 25 * i) / sampleRate)) * 5,
+    ),
+    // Channel 3: Sawtooth wave 33Hz
+    Array.from(
+      { length: points },
+      (_, i) => (2 * (((33 * i) / sampleRate) % 1) - 1) * 2.5,
+    ),
+    // Channel 4: Noise + DC offset
+    Array.from({ length: points }, () => Math.random() * 0.5 + 1.5),
+  ];
+
+  return { x, y, xUnit: "ms", yUnit: "V" };
+}
+
+export { WaveformDisplay, generateTestData , type WaveformDataType };