fix(device-test): contain tool processes and add reviewed preview
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@@ -0,0 +1,222 @@
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<#
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.SYNOPSIS
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实时显示并保存设备串口数据。
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.DESCRIPTION
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使用 .NET SerialPort 直接独占打开串口。收到的数据会原样写入二进制文件，
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同时解码后实时显示到当前 PowerShell，并按行写入带时间戳的文本日志。
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默认只读取数据，不向设备发送指令。DtrEnable 和 RtsEnable 会改变硬件控制线，
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只有用户明确要求时才能启用。
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.EXAMPLE
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.\serial_monitor.ps1 -Port COMx -LogPath F:\tmp\embedded-app-pc-debug\task\logs\serial.log
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.EXAMPLE
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.\serial_monitor.ps1 -Port COMx -LogPath .\serial.log -DurationSeconds 60
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.PARAMETER DtrEnable
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改变 DTR 硬件控制线；仅在用户明确要求时使用。
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.PARAMETER RtsEnable
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改变 RTS 硬件控制线；仅在用户明确要求时使用。
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#>
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[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$Port,
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$LogPath,
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[ValidateRange(1, 4000000)]
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[int]$BaudRate = 115200,
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[ValidateRange(5, 8)]
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[int]$DataBits = 8,
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[ValidateSet('None', 'Odd', 'Even', 'Mark', 'Space')]
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[string]$Parity = 'None',
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[ValidateSet('One', 'OnePointFive', 'Two')]
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[string]$StopBits = 'One',
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[ValidateSet('None', 'XOnXOff', 'RequestToSend', 'RequestToSendXOnXOff')]
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[string]$Handshake = 'None',
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[string]$EncodingName = 'utf-8',
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[ValidateRange(0, 2147483647)]
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[int]$DurationSeconds = 0,
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[ValidateRange(1, 5000)]
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[int]$PollMilliseconds = 100,
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[ValidateRange(64, 1048576)]
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[int]$BufferSize = 4096,
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[string]$RawPath,
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[switch]$DtrEnable,
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[switch]$RtsEnable
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)
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$ErrorActionPreference = 'Stop'
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$serialPort = $null
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$textWriter = $null
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$rawStream = $null
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$pendingLine = ''
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function Write-TimestampedLines {
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param(
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[Parameter(Mandatory = $true)]
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[string]$Text,
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[Parameter(Mandatory = $true)]
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[System.IO.StreamWriter]$Writer
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)
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$script:pendingLine += $Text
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while ($true) {
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$newlineIndex = $script:pendingLine.IndexOf("`n", [System.StringComparison]::Ordinal)
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if ($newlineIndex -lt 0) {
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break
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}
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$line = $script:pendingLine.Substring(0, $newlineIndex).TrimEnd("`r")
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$script:pendingLine = $script:pendingLine.Substring($newlineIndex + 1)
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$Writer.WriteLine(('[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'), $line))
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}
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}
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try {
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$resolvedLogPath = [System.IO.Path]::GetFullPath($LogPath)
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if ([string]::IsNullOrWhiteSpace($RawPath)) {
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$resolvedRawPath = $resolvedLogPath + '.raw.bin'
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}
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else {
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$resolvedRawPath = [System.IO.Path]::GetFullPath($RawPath)
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}
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$logDirectory = [System.IO.Path]::GetDirectoryName($resolvedLogPath)
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$rawDirectory = [System.IO.Path]::GetDirectoryName($resolvedRawPath)
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if (-not [string]::IsNullOrWhiteSpace($logDirectory)) {
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[System.IO.Directory]::CreateDirectory($logDirectory) | Out-Null
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}
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if (-not [string]::IsNullOrWhiteSpace($rawDirectory)) {
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[System.IO.Directory]::CreateDirectory($rawDirectory) | Out-Null
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}
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$utf8NoBom = New-Object System.Text.UTF8Encoding($false)
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$textFileStream = New-Object System.IO.FileStream(
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$resolvedLogPath,
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[System.IO.FileMode]::Append,
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[System.IO.FileAccess]::Write,
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[System.IO.FileShare]::Read
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)
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$textWriter = New-Object System.IO.StreamWriter($textFileStream, $utf8NoBom)
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$textWriter.AutoFlush = $true
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$rawStream = New-Object System.IO.FileStream(
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$resolvedRawPath,
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[System.IO.FileMode]::Append,
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[System.IO.FileAccess]::Write,
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[System.IO.FileShare]::Read
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)
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try {
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$encoding = [System.Text.Encoding]::GetEncoding($EncodingName)
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}
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catch {
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throw "无法识别编码 '$EncodingName'：$($_.Exception.Message)"
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}
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$decoder = $encoding.GetDecoder()
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$serialPort = New-Object System.IO.Ports.SerialPort
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$serialPort.PortName = $Port
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$serialPort.BaudRate = $BaudRate
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$serialPort.DataBits = $DataBits
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$serialPort.Parity = [System.Enum]::Parse([System.IO.Ports.Parity], $Parity)
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$serialPort.StopBits = [System.Enum]::Parse([System.IO.Ports.StopBits], $StopBits)
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$serialPort.Handshake = [System.Enum]::Parse([System.IO.Ports.Handshake], $Handshake)
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$serialPort.DtrEnable = $DtrEnable.IsPresent
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$serialPort.RtsEnable = $RtsEnable.IsPresent
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$serialPort.ReadTimeout = $PollMilliseconds
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$serialPort.ReadBufferSize = [Math]::Max(4096, $BufferSize)
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try {
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$serialPort.Open()
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}
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catch {
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throw "无法打开串口 $Port。串口可能不存在或正被其他程序占用：$($_.Exception.Message)"
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}
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$startTime = Get-Date
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$startMessage = '[{0}] 已打开 {1}，{2} {3}{4}{5}，流控 {6}；原始数据：{7}' -f `
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(Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'),
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$Port,
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$BaudRate,
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$DataBits,
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$Parity.Substring(0, 1),
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$(if ($StopBits -eq 'One') { '1' } elseif ($StopBits -eq 'Two') { '2' } else { '1.5' }),
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$Handshake,
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$resolvedRawPath
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[Console]::WriteLine($startMessage)
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$textWriter.WriteLine($startMessage)
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$byteBuffer = New-Object byte[] $BufferSize
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$charBuffer = New-Object char[] ($encoding.GetMaxCharCount($BufferSize))
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while ($true) {
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if ($DurationSeconds -gt 0 -and ((Get-Date) - $startTime).TotalSeconds -ge $DurationSeconds) {
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break
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}
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try {
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$count = $serialPort.Read($byteBuffer, 0, $byteBuffer.Length)
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}
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catch [System.TimeoutException] {
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continue
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}
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if ($count -le 0) {
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continue
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}
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$rawStream.Write($byteBuffer, 0, $count)
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$rawStream.Flush()
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$charCount = $decoder.GetChars($byteBuffer, 0, $count, $charBuffer, 0, $false)
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if ($charCount -gt 0) {
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$text = New-Object string($charBuffer, 0, $charCount)
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[Console]::Write($text)
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Write-TimestampedLines -Text $text -Writer $textWriter
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}
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}
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}
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catch {
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# 使用字符串连接保留底层异常文本，避免异常内容再次参与格式化。
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$errorMessage = '[' + (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff') + '] 串口监测失败：' + [string]$_.Exception.Message
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[Console]::Error.WriteLine($errorMessage)
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if ($null -ne $textWriter) {
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$textWriter.WriteLine($errorMessage)
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}
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exit 1
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}
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finally {
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if ($null -ne $textWriter -and -not [string]::IsNullOrEmpty($script:pendingLine)) {
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$textWriter.WriteLine(('[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'), $script:pendingLine.TrimEnd("`r")))
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}
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if ($null -ne $serialPort) {
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if ($serialPort.IsOpen) {
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$serialPort.Close()
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}
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$serialPort.Dispose()
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}
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if ($null -ne $rawStream) {
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$rawStream.Dispose()
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}
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if ($null -ne $textWriter) {
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$textWriter.WriteLine('[{0}] 串口监测结束' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'))
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$textWriter.Dispose()
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}
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}
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