From 43e3cce048cd9bf2dab89d323f29b647001ab1ee Mon Sep 17 00:00:00 2001
From: SikongJueluo <selfconfusion@gmail.com>
Date: Wed, 16 Jul 2025 15:27:53 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=9B=B4=E6=AD=A3=E9=80=BB=E8=BE=91?=
 =?UTF-8?q?=E5=88=86=E6=9E=90=E4=BB=AA=E9=A2=91=E7=8E=87?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../LogicAnalyzer/LogicAnalyzerManager.ts     | 46 ++++++++++---------
 .../LogicAnalyzer/TriggerSettings.vue         |  2 +-
 2 files changed, 26 insertions(+), 22 deletions(-)

diff --git a/src/components/LogicAnalyzer/LogicAnalyzerManager.ts b/src/components/LogicAnalyzer/LogicAnalyzerManager.ts
index 149a67a..d353ff9 100644
--- a/src/components/LogicAnalyzer/LogicAnalyzerManager.ts
+++ b/src/components/LogicAnalyzer/LogicAnalyzerManager.ts
@@ -77,6 +77,10 @@ const defaultColors = [
   "#8C33FF",
 ];
 
+// 添加逻辑分析仪频率常量
+const LOGIC_ANALYZER_FREQUENCY = 5_000_000; // 5MHz
+const SAMPLE_PERIOD_NS = 1_000_000_000 / LOGIC_ANALYZER_FREQUENCY; // 采样周期，单位：纳秒
+
 const [useProvideLogicAnalyzer, useLogicAnalyzerState] = createInjectionState(
   () => {
     const logicData = shallowRef<LogicDataType>();
@@ -305,10 +309,10 @@ const [useProvideLogicAnalyzer, useLogicAnalyzerState] = createInjectionState(
 
         // 5. 解析数据为8个通道的数字信号
         const sampleCount = bytes.length;
-        const timeStep = 0.1; // 假设每个采样点间隔0.1ms
+        const timeStepNs = SAMPLE_PERIOD_NS; // 每个采样点间隔200ns (1/5MHz)
 
-        // 创建时间轴
-        const x = Array.from({ length: sampleCount }, (_, i) => i * timeStep);
+        // 创建时间轴（转换为合适的单位）
+        const x = Array.from({ length: sampleCount }, (_, i) => i * timeStepNs / 1000); // 转换为微秒
 
         // 创建8个通道的数据
         const y: number[][] = Array.from(
@@ -329,7 +333,7 @@ const [useProvideLogicAnalyzer, useLogicAnalyzerState] = createInjectionState(
         const logicData: LogicDataType = {
           x,
           y,
-          xUnit: "ms",
+          xUnit: "us", // 改为微秒单位
         };
 
         setLogicData(logicData);
@@ -383,51 +387,51 @@ const [useProvideLogicAnalyzer, useLogicAnalyzerState] = createInjectionState(
 
     // 添加生成测试数据的方法
     const generateTestData = () => {
-      const sampleRate = 10000; // 10kHz sampling
-      const duration = 1;
+      const sampleRate = LOGIC_ANALYZER_FREQUENCY; // 使用实际的逻辑分析仪频率
+      const duration = 0.001; // 1ms的数据
       const points = Math.floor(sampleRate * duration);
 
       const x = Array.from(
         { length: points },
-        (_, i) => (i / sampleRate) * 1000,
-      ); // time in ms
+        (_, i) => (i * SAMPLE_PERIOD_NS) / 1000, // 时间轴，单位：微秒
+      );
 
       // Generate 8 channels with different digital patterns
       const y = [
-        // Channel 0: Clock signal 100Hz
+        // Channel 0: Clock signal 1MHz
         Array.from(
           { length: points },
-          (_, i) => Math.floor((100 * i) / sampleRate) % 2,
+          (_, i) => Math.floor((1_000_000 * i) / sampleRate) % 2,
         ),
-        // Channel 1: Clock/2 signal 50Hz
+        // Channel 1: Clock/2 signal 500kHz
         Array.from(
           { length: points },
-          (_, i) => Math.floor((50 * i) / sampleRate) % 2,
+          (_, i) => Math.floor((500_000 * i) / sampleRate) % 2,
         ),
-        // Channel 2: Clock/4 signal 25Hz
+        // Channel 2: Clock/4 signal 250kHz
         Array.from(
           { length: points },
-          (_, i) => Math.floor((25 * i) / sampleRate) % 2,
+          (_, i) => Math.floor((250_000 * i) / sampleRate) % 2,
         ),
-        // Channel 3: Clock/8 signal 12.5Hz
+        // Channel 3: Clock/8 signal 125kHz
         Array.from(
           { length: points },
-          (_, i) => Math.floor((12.5 * i) / sampleRate) % 2,
+          (_, i) => Math.floor((125_000 * i) / sampleRate) % 2,
         ),
         // Channel 4: Data signal (pseudo-random pattern)
         Array.from({ length: points }, (_, i) =>
-          Math.abs(Math.floor(Math.sin(i * 0.01) * 10) % 2),
+          Math.abs(Math.floor(Math.sin(i * 0.001) * 10) % 2),
         ),
         // Channel 5: Enable signal (periodic pulse)
         Array.from({ length: points }, (_, i) =>
-          Math.floor(i / 50) % 10 < 3 ? 1 : 0,
+          Math.floor(i / 250) % 10 < 3 ? 1 : 0,
         ),
         // Channel 6: Reset signal (occasional pulse)
         Array.from({ length: points }, (_, i) =>
-          Math.floor(i / 200) % 20 === 0 ? 1 : 0,
+          Math.floor(i / 1000) % 20 === 0 ? 1 : 0,
         ),
         // Channel 7: Status signal (slow changing)
-        Array.from({ length: points }, (_, i) => Math.floor(i / 1000) % 2),
+        Array.from({ length: points }, (_, i) => Math.floor(i / 5000) % 2),
       ];
 
       // 同时更新通道标签为更有意义的名称
@@ -448,7 +452,7 @@ const [useProvideLogicAnalyzer, useLogicAnalyzerState] = createInjectionState(
 
       // 设置逻辑数据
       enableAllChannels();
-      setLogicData({ x, y, xUnit: "ms" });
+      setLogicData({ x, y, xUnit: "us" }); // 改为微秒单位
 
       alert?.success("测试数据生成成功", 2000);
     };
diff --git a/src/components/LogicAnalyzer/TriggerSettings.vue b/src/components/LogicAnalyzer/TriggerSettings.vue
index 48e6a83..a4f9d40 100644
--- a/src/components/LogicAnalyzer/TriggerSettings.vue
+++ b/src/components/LogicAnalyzer/TriggerSettings.vue
@@ -16,7 +16,7 @@
 
       <div class="stat">
         <div class="stat-title">采样率</div>
-        <div class="stat-value text-info">100MHz</div>
+        <div class="stat-value text-info">5MHz</div>
         <div class="stat-desc">最大采样频率</div>
       </div>
     </div>