function Get-UniqueI2CMarkers {
    param(
        [string]$Filename = "yourpathhere\i2cdatav2.json"
    )

    try {
        Write-Host "Reading file: $Filename`n"
        $fileContent = Get-Content -Path $Filename -Raw
        $data = $fileContent | ConvertFrom-Json

        # Extract WebSocket messages
        $messages = @()
        if ($data._webSocketMessages) {
            $messages = $data._webSocketMessages
        }
        elseif ($data -is [array]) {
            $messages = $data
        }
        elseif ($data.log.entries) {
            foreach ($entry in $data.log.entries) {
                if ($entry._webSocketMessages) {
                    $messages += $entry._webSocketMessages
                }
            }
        }

        Write-Host "Found $($messages.Count) WebSocket messages"

        # Parse frames
        $frames = @()
        foreach ($msg in $messages) {
            if ($msg.type -eq "receive" -and $msg.data) {
                try {
                    $frameData = $msg.data | ConvertFrom-Json
                    if ($frameData.line -and $null -ne $frameData.t -and $null -ne $frameData.v) {
                        $frames += [PSCustomObject]@{
                            line   = $frameData.line
                            t      = [double]$frameData.t
                            v      = [int]$frameData.v
                            marker = $frameData.marker
                        }
                    }
                } catch { }
            }
        }

        Write-Host "Extracted $($frames.Count) signal frames"

        # Separate SDA and SCL frames
        $sclFrames = $frames | Where-Object { $_.line -match '^(scl|SCL)$' }
        $sdaFrames = $frames | Where-Object { $_.line -match '^(sda|SDA)$' }

        # Collect unique markers
        $sclMarkers = $sclFrames | Where-Object { $_.marker } | Select-Object -ExpandProperty marker -Unique
        $sdaMarkers = $sdaFrames | Where-Object { $_.marker } | Select-Object -ExpandProperty marker -Unique

        Write-Host "`n=== UNIQUE MARKERS ==="
        Write-Host "SCL markers: $($sclMarkers -join ', ')"
        Write-Host "SDA markers: $($sdaMarkers -join ', ')"

    } catch {
        Write-Error "Error: $($_.Exception.Message)"
        Write-Error $_.ScriptStackTrace
        throw
    }
}

# Run the marker extractor
$filename = if ($args.Count -gt 0) { $args[0] } else { "yourpathhere\i2cdatav2.json" }
Get-UniqueI2CMarkers -Filename $filename