added helper script

Script automates all steps to generate the PAC

CHANGELOG.md

@@ -8,6 +8,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+### Added
+
+- Helper script to automate all steps for PAC generation
+
 ## [v0.1.0]
 
 ### Added

gen-helper.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Use installed tool by default
+svd2rust_bin="svd2rust"
+# Automates the steps specified in https://docs.rs/svd2rust/0.19.0/svd2rust/
+if [ -f svd2rust ]; then
+	# If the local directory contains svd2rust, use that version instead
+	svd2rust_bin="./svd2rust"
+elif [ -f ../svd2rust ]; then
+	# Keeps the repository clean
+	svd2rust_bin="../svd2rust"
+fi
+if [ -x "$(${svd2rust_bin} --version)" ]; then
+	echo "No svd2rust found locally or installed." \
+		"Install it with cargo install svd2rust"
+	exit
+fi
+${svd2rust_bin} -i va108xx.svd
+rm -rf src
+form -i lib.rs -o src/ && rm lib.rs
+cargo fmt