fix: 增加对录音文件列表的状态跟踪

src/utils/jensen.js

@@ -102,6 +102,7 @@ function Jensen(log, conn) {
   let pid = 0;
   let recvable = false;
   let lastCommand = null;
+  let fileListing = false;
 
   let self = this;
   this.data = {};
@@ -195,6 +196,14 @@ function Jensen(log, conn) {
     return true;
   }
 
+  this.setFileListing = function (value) {
+    fileListing = value;
+  }
+
+  this.isFileListing = function () {
+    return fileListing;
+  }
+
   this.sequence = function() {
     return this.sqidx ++;
   }
@@ -842,16 +851,17 @@ Jensen.prototype.sendKeyCode = async function (mode, keyCode, seconds)
 };
 
 Jensen.prototype.listFiles = async function () {
+  this.setFileListing(true);
   let tag = 'filelist-' + this.serialNumber;
-  if (this[tag] != null) return null;
+  if (this[tag] != null) return this.setFileListing(false), null;
 
   let fc = null;
   if (typeof this.versionNumber == 'undefined' || this.versionNumber <= 327722) {
     fc = await this.getFileCount(5);
-    if (fc == null) return null;
+    if (fc == null) return this.setFileListing(false), null;
   }
 
-  if (fc && fc.count == 0) return null;
+  if (fc && fc.count == 0) return this.setFileListing(false), null;
 
   let self = this;
   // let tag = 'data_' + new Date().getTime();
@@ -996,6 +1006,10 @@ Jensen.prototype.listFiles = async function () {
     }
   });
 
+  setTimeout(() => {
+    self.setFileListing(false);
+  }, 0);
+
   return this.send(new Command(QUERY_FILE_LIST));
 };
 
@@ -1362,6 +1376,8 @@ Jensen.prototype.getRealtimeSettings = async function () {
   return this.send(new Command(REALTIME_READ_SETTING));
 };
 Jensen.prototype.startRealtime = async function (channels, seconds) {
+  if (this.isFileListing()) return null;
+  if (this.busy()) return null;
   return this.send(new Command(REALTIME_CONTROL).body([0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, channels & 0x03]), seconds);
 };
 Jensen.prototype.pauseRealtime = async function (seconds) {