Switched to build.ps1

- Batch script had issues reading from cargo toml file
- Issues were revealed in cargo test (awesome!)
- build.bat is now a wrapper for build.ps1

templates/basic/build.ps1

@@ -0,0 +1,212 @@
+# build.ps1 -- Compile the sketch using arduino-cli
+#
+# Reads all settings from .anvil.toml.  No Anvil binary required.
+# Called by build.bat (thin wrapper) or directly:
+#   powershell -File build.ps1 [--board NAME] [--clean] [--verbose]
+#
+# Exit codes: 0 = success, 1 = error
+
+param(
+    [string]$board = "",
+    [switch]$clean,
+    [switch]$verbose,
+    [switch]$help
+)
+
+$ErrorActionPreference = "Stop"
+
+# -- Helpers ---------------------------------------------------------------
+
+function Fail($msg) {
+    Write-Host "FAIL: $msg" -ForegroundColor Red
+    exit 1
+}
+
+function Ok($msg) {
+    Write-Host "ok   $msg" -ForegroundColor Green
+}
+
+# -- Locate config ---------------------------------------------------------
+
+$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition
+$Config = Join-Path $ScriptDir ".anvil.toml"
+
+if (-not (Test-Path $Config)) {
+    Fail "No .anvil.toml found in $ScriptDir"
+}
+
+# -- Parse .anvil.toml -----------------------------------------------------
+# Simple line-by-line parser.  Tracks current section header to support
+# [project], [build], [boards.NAME], etc.
+
+$tomlData = @{}
+$currentSection = ""
+
+foreach ($rawLine in Get-Content $Config) {
+    $line = $rawLine.Trim()
+
+    # Skip blank lines and comments
+    if ($line -eq "" -or $line.StartsWith("#")) { continue }
+
+    # Section header: [project], [boards.uno], etc.
+    if ($line -match '^\[(.+)\]$') {
+        $currentSection = $Matches[1]
+        continue
+    }
+
+    # Key = value (only process lines with =)
+    if ($line -match '^([^=]+?)\s*=\s*(.+)$') {
+        $key = $Matches[1].Trim()
+        $val = $Matches[2].Trim()
+
+        # Strip surrounding quotes
+        if ($val.StartsWith('"') -and $val.EndsWith('"')) {
+            $val = $val.Substring(1, $val.Length - 2)
+        }
+
+        # Skip array values (multi-line or inline [...])
+        if ($val.StartsWith("[")) { continue }
+
+        $fullKey = if ($currentSection) { "$currentSection.$key" } else { $key }
+        $tomlData[$fullKey] = $val
+    }
+}
+
+# -- Extract settings ------------------------------------------------------
+
+$SketchName = $tomlData["project.name"]
+$DefaultBoard = $tomlData["build.default"]
+$Warnings = $tomlData["build.warnings"]
+
+if (-not $SketchName) {
+    Fail "Could not read project name from .anvil.toml"
+}
+
+$SketchDir = Join-Path $ScriptDir $SketchName
+$BuildDir = Join-Path $ScriptDir ".build"
+
+# -- Help ------------------------------------------------------------------
+
+if ($help) {
+    Write-Host "Usage: build.bat [--board NAME] [--clean] [--verbose]"
+    Write-Host "  Compiles the sketch. Settings from .anvil.toml."
+    Write-Host "  --board NAME selects a board from [boards.NAME]."
+    exit 0
+}
+
+# -- Resolve board ---------------------------------------------------------
+
+$BoardName = if ($board) { $board } else { $DefaultBoard }
+
+if (-not $BoardName) {
+    Fail @"
+No default board set in .anvil.toml.
+
+  Add a default to the [build] section of .anvil.toml:
+    default = "uno"
+
+  And make sure a matching [boards.uno] section exists:
+    [boards.uno]
+    fqbn = "arduino:avr:uno"
+
+  Or with Anvil:  Anvil board --default uno
+  List boards:    Anvil board --listall
+                  arduino-cli board listall
+"@
+}
+
+$Fqbn = $tomlData["boards.$BoardName.fqbn"]
+
+if (-not $Fqbn) {
+    Fail @"
+No [boards.$BoardName] section in .anvil.toml.
+
+  Add it to .anvil.toml:
+    [boards.$BoardName]
+    fqbn = "arduino:avr:uno"    (replace with your board)
+
+  Or with Anvil:  Anvil board --add $BoardName
+  List boards:    Anvil board --listall
+                  arduino-cli board listall
+"@
+}
+
+if ($BoardName -ne $DefaultBoard) {
+    Ok "Using board: $BoardName -- $Fqbn"
+}
+
+# -- Preflight -------------------------------------------------------------
+
+$arduinoCli = Get-Command "arduino-cli" -ErrorAction SilentlyContinue
+if (-not $arduinoCli) {
+    Fail "arduino-cli not found in PATH."
+}
+
+if (-not (Test-Path $SketchDir)) {
+    Fail "Sketch directory not found: $SketchDir"
+}
+
+# -- Clean -----------------------------------------------------------------
+
+if ($clean -and (Test-Path $BuildDir)) {
+    Write-Host "Cleaning build cache..."
+    Remove-Item -Recurse -Force $BuildDir
+}
+
+# -- Build include flags ---------------------------------------------------
+
+$buildFlags = @()
+foreach ($sub in @("lib\hal", "lib\app")) {
+    $dir = Join-Path $ScriptDir $sub
+    if (Test-Path $dir) {
+        $buildFlags += "-I$dir"
+    }
+}
+
+# Auto-discover driver libraries (added by: anvil add <driver>)
+$driversDir = Join-Path $ScriptDir "lib\drivers"
+if (Test-Path $driversDir) {
+    foreach ($d in Get-ChildItem -Path $driversDir -Directory) {
+        $buildFlags += "-I$($d.FullName)"
+    }
+}
+
+$buildFlags += "-Werror"
+$flagsStr = $buildFlags -join " "
+
+# -- Compile ---------------------------------------------------------------
+
+Write-Host "Compiling $SketchName..."
+Write-Host "  Board:  $Fqbn"
+Write-Host "  Sketch: $SketchDir"
+Write-Host ""
+
+if (-not (Test-Path $BuildDir)) {
+    New-Item -ItemType Directory -Path $BuildDir | Out-Null
+}
+
+$compileArgs = @(
+    "compile"
+    "--fqbn", $Fqbn
+    "--build-path", $BuildDir
+    "--warnings", $Warnings
+    "--build-property", "compiler.cpp.extra_flags=$flagsStr"
+    "--build-property", "compiler.c.extra_flags=$flagsStr"
+)
+
+if ($verbose) {
+    $compileArgs += "--verbose"
+}
+
+$compileArgs += $SketchDir
+
+& arduino-cli @compileArgs
+if ($LASTEXITCODE -ne 0) {
+    Write-Host ""
+    Fail "Compilation failed."
+}
+
+Write-Host ""
+Ok "Compile succeeded."
+Write-Host ""
+exit 0