upload_littlefs.ps1

param(
    [string]$Port = "COM4"
)

$ErrorActionPreference = "Stop"

$mklittlefs = "C:\Users\gao19\AppData\Local\Arduino15\packages\esp32\tools\mklittlefs\4.0.2-db0513a-cn\mklittlefs.exe"
$esptool = "C:\Users\gao19\AppData\Local\Arduino15\packages\esp32\tools\esptool_py\5.1.0-cn\esptool.exe"
$projectRoot = Split-Path -Parent $PSScriptRoot
$dataDir = Join-Path $projectRoot "data"
$buildDir = Join-Path $projectRoot "build\littlefs"
$imagePath = Join-Path $buildDir "littlefs.bin"

New-Item -ItemType Directory -Force -Path $buildDir | Out-Null

& $mklittlefs -c $dataDir -b 4096 -p 256 -s 10354688 $imagePath
if ($LASTEXITCODE -ne 0) {
    throw "mklittlefs failed with exit code $LASTEXITCODE"
}

& $esptool --chip esp32s3 --port $Port --baud 921600 --before default-reset --after hard-reset write-flash 0x610000 $imagePath
if ($LASTEXITCODE -ne 0) {
    throw "esptool failed with exit code $LASTEXITCODE"
}

Write-Host "LittleFS uploaded to $Port"