Add remote flashing procedure

Readme.md

@@ -1,6 +1,7 @@
 # ESP Wordclock
 ## Setup
 
+### Initial Setup
 Install the firmware on the ESP:
 The ESP must be set into the bootloader mode, like [this](https://www.ccc-mannheim.de/wiki/ESP8266#Boot_Modi)
 
@@ -22,5 +23,12 @@ Then disconnect the serial terminal and copy the required files to the microcont
 ./tools/initialFlash.sh /dev/ttyUSB0
 </pre>
 
+### Upgrade
+
+Determine the IP address of your clock and execute the following script:
+<pre>
+./tools/remoteFlash.sh IP-Address
+</pre>
+
 ## Internal Setup
 * GPIO2     LEDs

tools/remoteFlash.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+IP=$1
+
+FLASHTOOL=./tools/tcpFlash.py
+
+if [ ! -f $FLASHTOOL ]; then
+ echo "Execute the script in root folder of the project"
+ exit 2
+fi
+
+if [ "$IP" == "" ]; then
+ echo "IP address of ESP required"
+ echo "usage:"
+ echo "$0 <IP>"
+ echo "$0 192.168.0.2"
+ exit 1
+fi
+
+# check the connection
+echo "Searching $IP ..."
+ping $IP -c 2 >> /dev/null
+if [ $? -ne 0 ]; then
+ echo "Entered IP address: $IP is NOT online"
+ exit 2
+fi
+echo "Upgrading $IP"
+exit 3
+
+FILES="displayword.lua main.lua timecore.lua webpage.html webserver.lua wordclock.lua init.lua"
+
+echo "Start Flasing ..."
+for f in $FILES; do
+    if [ ! -f $f ]; then
+        echo "Cannot find $f"
+        echo "place the terminal into the folder where the lua files are present"
+        exit 1
+    fi
+    echo "------------- $f ------------"
+    $FLASHTOOL -t $IP -f $f 
+    if [ $? -ne 0 ]; then
+        echo "STOOOOP"
+        exit 1
+    fi
+done
+
+echo "Reboot the ESP"
+echo "node.restart()" | nc $IP 80
+
+exit 0