Add builder script

Author: bugadani

build.ps1

@@ -0,0 +1,94 @@
+param(
+    [string]$Device,
+    [string[]]$Features
+)
+
+function Show-Usage {
+    Write-Host "Usage:"
+    Write-Host "  .\build.ps1                                 # build all devices"
+    Write-Host "  .\build.ps1 -Device esp32                   # build single device"
+    Write-Host "  .\build.ps1 -Features log,max-cpu-frequency # build with specified features"
+    Write-Host ""
+    Write-Host "Notes:"
+    Write-Host "  - The -Features parameter accepts multiple values or a comma-separated string."
+    exit 1
+}
+
+# Remove existing YAML outputs (ignore errors if none exist)
+Remove-Item -Path output/*.yaml -Force -ErrorAction SilentlyContinue
+
+# map device -> target
+$deviceMap = @{
+    "esp32"  = "xtensa-esp32-none-elf"
+    "esp32s2" = "xtensa-esp32s2-none-elf"
+    "esp32s3" = "xtensa-esp32s3-none-elf"
+    "esp32c2" = "riscv32imc-unknown-none-elf"
+    "esp32c3" = "riscv32imc-unknown-none-elf"
+    "esp32c5" = "riscv32imac-unknown-none-elf"
+    "esp32c6" = "riscv32imac-unknown-none-elf"
+    # "esp32c61" = "riscv32imac-unknown-none-elf"
+    "esp32h2" = "riscv32imac-unknown-none-elf"
+}
+
+# Validate device (if specified) and build list
+if ($Device) {
+    if (-not $deviceMap.ContainsKey($Device)) {
+        Write-Error "Unknown device: $Device. Valid devices are: $($deviceMap.Keys -join ', ')"
+        Show-Usage
+    }
+    $devicesToBuild = @($Device)
+} else {
+    $devicesToBuild = $deviceMap.Keys
+}
+
+# Normalize features passed via -Features (accepts array items and comma-separated strings)
+$parsedFeatures = @()
+if ($Features) {
+    $joined = $Features -join ','
+    $parsedFeatures = $joined -split ',' | ForEach-Object { $_.Trim() } | Where-Object { $_ -ne '' }
+}
+
+# Deduplicate while preserving order
+$finalFeatures = @()
+foreach ($f in $parsedFeatures) {
+    if (-not ($finalFeatures -contains $f)) {
+        $finalFeatures += $f
+    }
+}
+
+# Build loop
+foreach ($d in $devicesToBuild) {
+    $targetPath = ("target/{0}/release/esp-flashloader" -f ( $deviceMap[$d] ))
+    Write-Host "=== Building $d ==="
+
+    # Build cargo arguments
+    $cargoArgs = @("+esp", $d)
+
+    if ($finalFeatures.Count -gt 0) {
+        $cargoArgs += "--features"
+        $cargoArgs += ($finalFeatures -join ",")
+        Write-Host ("running command: cargo {0}" -f ($cargoArgs -join ' '))
+    } else {
+        Write-Host ("running command: cargo {0}" -f ($cargoArgs -join ' '))
+    }
+
+    # Run cargo
+    $cargoExit = & cargo @cargoArgs
+    if ($LASTEXITCODE -ne 0) {
+        Write-Error "cargo failed for device $d (exit code $LASTEXITCODE). Aborting."
+        exit $LASTEXITCODE
+    }
+
+    # Run target-gen to produce YAML
+    $outYaml = "output/$d.yaml"
+    Write-Host "Generating YAML: $outYaml"
+    & target-gen elf $targetPath $outYaml --name "$d-flashloader"
+    if ($LASTEXITCODE -ne 0) {
+        Write-Error "target-gen failed for device $d (exit code $LASTEXITCODE). Aborting."
+        exit $LASTEXITCODE
+    }
+
+    Write-Host ""
+}
+
+Write-Host "All done."