Fix host sender for PowerShell 7 via pyserial fallback.

System.IO.Ports is often missing on PS7; keep WMI collection in PowerShell and write USB serial through Python when needed. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-27 20:14:30 +08:00
parent f724796359
commit 6c81bcf26a
1 changed files with 131 additions and 23 deletions
--- a/host/send_sysinfo.ps1
+++ b/host/send_sysinfo.ps1
@@ -3,6 +3,8 @@
 #   .\send_sysinfo.ps1
 #   .\send_sysinfo.ps1 -Port COM5
 #   .\send_sysinfo.ps1 -Port COM5 -IntervalMs 1000
+#
+# Serial I/O: Windows PowerShell 5 (System.IO.Ports) or Python + pyserial.

 param(
  [string]$Port = "",
@@ -15,12 +17,22 @@ $ErrorActionPreference = "Stop"
 function Find-CydPort {
  $ports = @()
  try {
-    Add-Type -AssemblyName System.IO.Ports -ErrorAction SilentlyContinue | Out-Null
    $ports = [System.IO.Ports.SerialPort]::GetPortNames() | Sort-Object
  } catch {}
  if (-not $ports -or $ports.Count -eq 0) {
-    $ports = Get-CimInstance Win32_SerialPort -ErrorAction SilentlyContinue |
-      Select-Object -ExpandProperty DeviceID | Sort-Object
+    try {
+      $ports = Get-CimInstance Win32_SerialPort -ErrorAction SilentlyContinue |
+        Select-Object -ExpandProperty DeviceID | Sort-Object
+    } catch {}
+  }
+  if (-not $ports -or $ports.Count -eq 0) {
+    $key = 'HKLM:\HARDWARE\DEVICEMAP\SERIALCOMM'
+    if (Test-Path $key) {
+      $ports = (Get-ItemProperty $key).PSObject.Properties |
+        Where-Object { $_.Name -notmatch '^PS' } |
+        ForEach-Object { [string]$_.Value } |
+        Sort-Object
+    }
  }
  if (-not $ports -or $ports.Count -eq 0) {
    throw "No serial ports found. Plug in the CYD USB cable."
@@ -43,7 +55,6 @@ function Get-CpuName {
  $p = Get-CimInstance Win32_Processor -ErrorAction SilentlyContinue | Select-Object -First 1
  if (-not $p) { return "CPU" }
  $n = [string]$p.Name
-  # Shorten common Intel/AMD noise
  $n = $n -replace '\(R\)|\(TM\)|CPU @.*|with Radeon.*', ''
  $n = ($n -replace '\s+', ' ').Trim()
  return Sanitize $n 44
@@ -64,18 +75,16 @@ function Get-GpuName {
  $gpus = Get-CimInstance Win32_VideoController -ErrorAction SilentlyContinue |
    Where-Object { $_.Name -and $_.Name -notmatch 'Microsoft Basic|Remote Desktop' }
  if (-not $gpus) { return "GPU" }
-  # Prefer NVIDIA / AMD discrete if present
  $pick = $gpus | Where-Object { $_.Name -match 'NVIDIA|GeForce|RTX|GTX|Radeon|AMD' } |
    Select-Object -First 1
  if (-not $pick) { $pick = $gpus | Select-Object -First 1 }
  $n = [string]$pick.Name
-  $n = $n -replace 'NVIDIA GeForce ', 'RTX/GTX '
+  $n = $n -replace 'NVIDIA GeForce ', ''
  $n = $n -replace 'AMD ', ''
  return Sanitize $n 44
 }

 function Get-GpuPct {
-  # 1) nvidia-smi
  $smi = Get-Command nvidia-smi -ErrorAction SilentlyContinue
  if ($smi) {
    try {
@@ -86,7 +95,6 @@ function Get-GpuPct {
      }
    } catch {}
  }
-  # 2) Windows GPU Engine counter (may need a few samples)
  try {
    $counters = Get-Counter '\GPU Engine(*)\Utilization Percentage' -ErrorAction Stop
    $samples = $counters.CounterSamples |
@@ -136,27 +144,127 @@ function Build-Line {
  return "SI|host=$hostName|cpu=$cpu|cpu%=$cpuPct|gpu=$gpu|$gpuField|ram=$($ram.Used)/$($ram.Total)|disk=$($disk.Used)/$($disk.Total)"
 }

+function Find-Python {
+  foreach ($c in @(
+      "python",
+      (Join-Path $env:USERPROFILE "AppData\Local\Programs\Python\Python312\python.exe"),
+      (Join-Path $env:USERPROFILE "AppData\Local\Programs\Python\Python311\python.exe")
+    )) {
+    if (-not $c) { continue }
+    $cmd = Get-Command $c -ErrorAction SilentlyContinue
+    if ($cmd) { return $cmd.Source }
+    if (Test-Path $c) { return $c }
+  }
+  return $null
+}
+
+function Test-DotNetSerial {
+  try {
+    [void][System.IO.Ports.SerialPort]
+    return $true
+  } catch {
+    try {
+      Add-Type -AssemblyName System.IO.Ports -ErrorAction Stop | Out-Null
+      return $true
+    } catch {
+      return $false
+    }
+  }
+}
+
 if (-not $Port) { $Port = Find-CydPort }

-Add-Type -AssemblyName System.IO.Ports
-$sp = [System.IO.Ports.SerialPort]::new($Port, $Baud)
-$sp.ReadTimeout = 200
-$sp.WriteTimeout = 2000
-$sp.NewLine = "`n"
-$sp.DtrEnable = $true
-$sp.RtsEnable = $true
+Write-Host "Sending host info -> $Port @ $Baud every ${IntervalMs}ms  (Ctrl+C to stop)"

+if (Test-DotNetSerial) {
+  $sp = [System.IO.Ports.SerialPort]::new($Port, $Baud)
+  $sp.ReadTimeout = 200
+  $sp.WriteTimeout = 2000
+  $sp.NewLine = "`n"
+  $sp.DtrEnable = $true
+  $sp.RtsEnable = $true
+  try {
+    $sp.Open()
+    Start-Sleep -Milliseconds 400
+    while ($true) {
+      $line = Build-Line
+      $sp.WriteLine($line)
+      Write-Host $line
+      Start-Sleep -Milliseconds $IntervalMs
+    }
+  } finally {
+    if ($sp.IsOpen) { $sp.Close() }
+    $sp.Dispose()
+  }
+  exit 0
+}
+
+$py = Find-Python
+if (-not $py) {
+  throw "No System.IO.Ports (PS7) and no python. Use Windows PowerShell 5, or: pip install pyserial"
+}
+
+$pyCheck = & $py -c "import serial; print('ok')" 2>$null
+if ($LASTEXITCODE -ne 0 -or "$pyCheck" -notmatch 'ok') {
+  throw "Python found but pyserial missing. Run: `"$py`" -m pip install pyserial"
+}
+
+$writer = Join-Path $PSScriptRoot "_serial_writer.py"
+@'
+import sys, serial, time
+port, baud = sys.argv[1], int(sys.argv[2])
+# Keep DTR/RTS stable so ESP32 is not reset each write
+ser = serial.Serial()
+ser.port = port
+ser.baudrate = baud
+ser.timeout = 0.2
+ser.dtr = False
+ser.rts = False
+ser.open()
+time.sleep(0.3)
+try:
+    for line in sys.stdin:
+        line = line.rstrip("\r\n")
+        if not line:
+            continue
+        ser.write((line + "\n").encode("utf-8", errors="ignore"))
+        ser.flush()
+        print(line, flush=True)
+finally:
+    ser.close()
+'@ | Set-Content -Encoding ascii $writer
+
+$psi = New-Object System.Diagnostics.ProcessStartInfo
+$psi.FileName = $py
+$psi.Arguments = "`"$writer`" $Port $Baud"
+$psi.UseShellExecute = $false
+$psi.RedirectStandardInput = $true
+$psi.RedirectStandardOutput = $true
+$psi.RedirectStandardError = $true
+$psi.CreateNoWindow = $true
+$proc = [System.Diagnostics.Process]::Start($psi)
 try {
-  $sp.Open()
-  Write-Host "Sending host info -> $Port @ $Baud every ${IntervalMs}ms  (Ctrl+C to stop)"
-  Start-Sleep -Milliseconds 400
-  while ($true) {
+  while (-not $proc.HasExited) {
    $line = Build-Line
-    $sp.WriteLine($line)
-    Write-Host $line
+    $proc.StandardInput.WriteLine($line)
+    $proc.StandardInput.Flush()
+    # Non-blocking-ish read of echo
+    if (-not $proc.StandardOutput.EndOfStream) {
+      $echo = $proc.StandardOutput.ReadLine()
+      if ($echo) { Write-Host $echo }
+    } else {
+      Write-Host $line
+    }
    Start-Sleep -Milliseconds $IntervalMs
  }
+  $err = $proc.StandardError.ReadToEnd()
+  if ($err) { Write-Host $err }
 } finally {
-  if ($sp.IsOpen) { $sp.Close() }
-  $sp.Dispose()
+  try { $proc.StandardInput.Close() } catch {}
+  if (-not $proc.HasExited) {
+    Start-Sleep -Milliseconds 200
+    if (-not $proc.HasExited) { $proc.Kill() }
+  }
+  $proc.Dispose()
+  Remove-Item $writer -ErrorAction SilentlyContinue
 }