tools: Add download.sh to get external doc files

It is unknown if it would be legal to include those external documents
like datasheets inside this Git repository. Thus the added script
provides the ability to get them directly from the vendor.

1 files changed, 35 insertions, 0 deletions

diff --git a/tools/download.sh b/tools/download.sh
new file mode 100755
index 0000000..901fd3f
--- /dev/null
+++ b/tools/download.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+
+set -euf
+
+
+# absolute paths
+script="$(realpath $0)"
+tools="$(dirname "${script}")"
+src="$(dirname "${tools}")"
+doc="${src}/doc"
+
+documents='
+ft232r.pdf	https://www.ftdichip.com/old2020/Support/Documents/DataSheets/ICs/DS_FT232R.pdf
+'
+
+
+mkdir -pv "$doc"
+
+echo "$documents" | while read line
+do
+	if [ "$line" == '' ]
+	then
+		continue
+	fi
+
+	name="$(echo "$line" | cut -d$'\t' -f1)"
+	url="$(echo "$line" | cut -d$'\t' -f2)"
+	path="${doc}/${name}"
+
+	if [ ! -f "$path" ]
+	then
+		curl "$url" > "$path"
+	fi
+done