From 8c454f0a9ae100e458d14d881b88f08930f925c5 Mon Sep 17 00:00:00 2001
From: Ollo <Ollo@host>
Date: Fri, 15 Jan 2021 17:45:37 +0100
Subject: [PATCH] More documentation added for the tools

---
 tools/Readme.md       | 4 +++-
 tools/initialFlash.sh | 8 +++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/Readme.md b/tools/Readme.md
index 2b6725d..57da26a 100644
--- a/tools/Readme.md
+++ b/tools/Readme.md
@@ -1,2 +1,4 @@
-# Source:
+# luatool.py
+**Not** supported with python 3.x
+## Source:
 https://github.com/4refr0nt/luatool/tree/master/luatool
diff --git a/tools/initialFlash.sh b/tools/initialFlash.sh
index a6270ad..b1d5efc 100755
--- a/tools/initialFlash.sh
+++ b/tools/initialFlash.sh
@@ -5,6 +5,13 @@ LUATOOL=./tools/luatool.py
 DEVICE=$1
 BAUD=115200
 
+# check environment
+if [ ! -f $LUATOOL ]; then
+ echo "$LUATOOL not found"
+ echo "is the command prompt at the same level as the tools folder ?"
+ exit 1
+fi
+
 # check the serial connection
 
 if [ ! -c $DEVICE ]; then
@@ -12,7 +19,6 @@ if [ ! -c $DEVICE ]; then
  exit 1
 fi
 
-
 if [ $# -eq 0 ]; then
     echo ""
     echo "e.g. usage $0 <device> [<files to upoad>]"