From 54a933c83a4cf779b0933e38a0e4bc8d7f3ef113 Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date: Tue, 8 May 2018 17:25:41 +0200
Subject: [PATCH] change approach, too much m4

---
 Makefile                                      |  36 ---
 build.sh                                      |  23 ++
 default.css                                   |   7 +
 index.footer                                  |   3 +
 index.m4 => index.header                      |  14 +-
 index.html                                    | 272 ++++--------------
 m4/indexTOCEntry.m4                           |   4 -
 m4/macros.m4                                  |  11 -
 m4/mkfile.mk                                  |   0
 m4/post.m4                                    |   3 -
 m4/posts.mk                                   |   8 -
 pages/impressum/article.m4                    |  14 -
 pages/keys/article.m4                         |   4 -
 plain/Makefile                                |  12 -
 plain/logfile.m4                              |  63 ----
 posts/2013-06-26.01/article.html              |  30 +-
 posts/2013-06-26.01/article.m4                |  42 ---
 posts/2013-06-27.01/article.html              |  22 +-
 posts/2013-06-27.01/article.m4                |  46 ---
 posts/2013-06-27.02/article.html              |  21 +-
 posts/2013-06-27.02/article.m4                |  35 ---
 posts/2013-07-01.01/article.html              |  23 +-
 posts/2013-07-01.01/article.m4                | 126 --------
 posts/2013-07-24.01/article.html              |  21 +-
 posts/2013-07-24.01/article.m4                |  78 -----
 posts/2013-09-09.01/article.html              |  21 +-
 posts/2013-09-09.01/article.m4                | 110 -------
 posts/2013-09-10.01/article.html              |  25 +-
 posts/2013-09-10.01/article.m4                | 116 --------
 posts/2013-09-11.01/article.html              |  21 +-
 posts/2013-09-11.01/article.m4                |  74 -----
 posts/2013-09-21.01/article.html              |  23 +-
 posts/2013-09-21.01/article.m4                |  17 --
 posts/2013-11-07.01/article.html              |  25 +-
 posts/2013-11-07.01/article.m4                |  67 -----
 posts/2013-11-08.01/article.html              |  21 +-
 posts/2013-11-08.01/article.m4                |  47 ---
 posts/2014-01-08.01/article.html              |  21 +-
 posts/2014-01-08.01/article.m4                |  30 --
 posts/2014-01-08.02/article.html              |  21 +-
 posts/2014-01-08.02/article.m4                |  94 ------
 posts/2014-01-14.01/article.html              |  21 +-
 posts/2014-01-14.01/article.m4                |  11 -
 posts/2014-01-15.01/article.html              |  21 +-
 posts/2014-01-15.01/article.m4                |  22 --
 posts/2014-01-18.01/article.html              |  21 +-
 posts/2014-01-18.01/article.m4                |  44 ---
 posts/2014-01-22.01/article.html              |  23 +-
 posts/2014-01-22.01/article.m4                |  33 ---
 posts/2014-02-08.01/article.html              |  21 +-
 posts/2014-02-08.01/article.m4                |  25 --
 posts/2014-02-13.01/article.html              |  23 +-
 posts/2014-02-13.01/article.m4                |  15 -
 posts/2014-02-21.01/article.html              |  21 +-
 posts/2014-02-21.01/article.m4                |   9 -
 posts/2014-03-09.01/article.html              |  21 +-
 posts/2014-03-09.01/article.m4                |  17 --
 posts/2014-03-11.01/article.html              |  23 +-
 posts/2014-03-11.01/article.m4                |  32 ---
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   2 +-
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 posts/2015-06-05.01/article.html              |  21 +-
 posts/2015-06-05.01/article.m4                |   7 -
 .../{article.m4 => article.html}              |   4 +-
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 .../{article.m4 => article.html}              |   0
 toc.inc                                       | 249 ++++------------
 87 files changed, 256 insertions(+), 2081 deletions(-)
 delete mode 100644 Makefile
 create mode 100755 build.sh
 create mode 100644 default.css
 create mode 100644 index.footer
 rename index.m4 => index.header (87%)
 delete mode 100644 m4/indexTOCEntry.m4
 delete mode 100644 m4/macros.m4
 delete mode 100644 m4/mkfile.mk
 delete mode 100644 m4/post.m4
 delete mode 100644 m4/posts.mk
 delete mode 100644 pages/impressum/article.m4
 delete mode 100644 pages/keys/article.m4
 delete mode 100644 plain/Makefile
 delete mode 100644 plain/logfile.m4
 delete mode 100644 posts/2013-06-26.01/article.m4
 delete mode 100644 posts/2013-06-27.01/article.m4
 delete mode 100644 posts/2013-06-27.02/article.m4
 delete mode 100644 posts/2013-07-01.01/article.m4
 delete mode 100644 posts/2013-07-24.01/article.m4
 delete mode 100644 posts/2013-09-09.01/article.m4
 delete mode 100644 posts/2013-09-10.01/article.m4
 delete mode 100644 posts/2013-09-11.01/article.m4
 delete mode 100644 posts/2013-09-21.01/article.m4
 delete mode 100644 posts/2013-11-07.01/article.m4
 delete mode 100644 posts/2013-11-08.01/article.m4
 delete mode 100644 posts/2014-01-08.01/article.m4
 delete mode 100644 posts/2014-01-08.02/article.m4
 delete mode 100644 posts/2014-01-14.01/article.m4
 delete mode 100644 posts/2014-01-15.01/article.m4
 delete mode 100644 posts/2014-01-18.01/article.m4
 delete mode 100644 posts/2014-01-22.01/article.m4
 delete mode 100644 posts/2014-02-08.01/article.m4
 delete mode 100644 posts/2014-02-13.01/article.m4
 delete mode 100644 posts/2014-02-21.01/article.m4
 delete mode 100644 posts/2014-03-09.01/article.m4
 delete mode 100644 posts/2014-03-11.01/article.m4
 rename posts/2014-04-07.01/{article.m4 => article.html} (100%)
 rename posts/2014-05-11.01/{article.m4 => article.html} (100%)
 rename posts/2014-05-11.02/{article.m4 => article.html} (100%)
 rename posts/2014-08-04.01/{article.m4 => article.html} (100%)
 rename posts/2014-10-04.01/{article.m4 => article.html} (100%)
 rename posts/2014-10-27.01/{article.m4 => article.html} (100%)
 rename posts/2014-12-11.01/{article.m4 => article.html} (96%)
 rename posts/2014-12-15.01/{article.m4 => article.html} (100%)
 rename posts/2015-01-01.01/{article.m4 => article.html} (100%)
 delete mode 100644 posts/2015-06-05.01/article.m4
 rename posts/2015-06-05.02/{article.m4 => article.html} (80%)
 rename posts/2015-06-05.03/{article.m4 => article.html} (100%)
 rename posts/2015-06-05.04/{article.m4 => article.html} (100%)
 rename posts/2015-06-17.01/{article.m4 => article.html} (100%)
 rename posts/2015-09-14.01/{article.m4 => article.html} (100%)
 rename posts/2015-10-12.01/{article.m4 => article.html} (100%)
 rename posts/2016-03-03.01/{article.m4 => article.html} (100%)
 rename posts/2016-09-09.01/{article.m4 => article.html} (100%)
 rename posts/2016-09-12.01/{article.m4 => article.html} (100%)
 rename posts/2016-10-14.01/{article.m4 => article.html} (100%)
 rename posts/2016-11-02.01/{article.m4 => article.html} (100%)
 rename posts/2016-12-19.01/{article.m4 => article.html} (100%)
 rename posts/2017-07-04.01/{article.m4 => article.html} (100%)
 rename posts/2018-01-26.01/{article.m4 => article.html} (100%)
 rename posts/2018-02-22.01/{article.m4 => article.html} (100%)
 rename posts/2018-04-30.01/{article.m4 => article.html} (100%)

diff --git a/Makefile b/Makefile
deleted file mode 100644
index 165b060..0000000
--- a/Makefile
+++ /dev/null
@@ -1,36 +0,0 @@
-POSTS = $(shell find ./posts -mindepth 1 -type d | sort -r)
-PAGES = $(shell find ./pages -mindepth 1 -type d)
-
-.PHONY: all
-all:
-	$(MAKE) index
-
-.PHONY: posts
-posts:	
-	for d in $(POSTS); do (echo $$d; cd $$d; $(MAKE) -f ../../m4/posts.mk); done
-
-.PHONY: pages
-pages:	
-	for d in $(PAGES); do (echo $$d; cd $$d; $(MAKE) -f ../../m4/posts.mk); done
-
-.PHONY: plain
-plain:
-	cd ./plain; $(MAKE)
-
-.PHONY: clean
-clean:
-	for d in $(POSTS); do (cd $$d; $(MAKE) -f ../../m4/posts.mk cleanposts); done
-	for d in $(PAGES); do (cd $$d; $(MAKE) -f ../../m4/posts.mk cleanposts); done
-	-rm -f toc.inc
-	-rm -f index.html
-
-.PHONY: index
-index: posts pages plain
-	-rm -f toc.inc
-	for d in $(PAGES); do (cd $$d; m4 -D URL=$$d/article.html ../../m4/macros.m4 article.m4 ../../m4/indexTOCEntry.m4) >> toc.inc; done
-	for d in $(POSTS); do (cd $$d; m4 -D URL=$$d/article.html ../../m4/macros.m4 article.m4 ../../m4/indexTOCEntry.m4) >> toc.inc; done
-	m4 ./m4/macros.m4 index.m4 > index.html
-
-.PHONY: install
-devinstall: index
-	rsync -av --delete --exclude-from excludes.lst . /var/www/html
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..62cc72b
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+POSTS=`find ./posts -mindepth 1 -type d | sort -r`
+INDEX_TOC=`pwd`/toc.inc
+
+
+rm -f $INDEX_TOC
+for I in $POSTS; do
+  (
+    echo $I;
+    cd $I;
+    TITLE=`cat article.html | grep '<title>' | sed 's!^[[:space:]]*<title>\(.*\)</title>!\1!'`
+    DATE=`cat article.html | grep '<meta name="date"' | sed 's!^[[:space:]]*<meta name="date" content="\(.*\)"/>!\1!'`
+    PATH=`echo $I | sed 's!^\./!!'`
+    echo "<li><a href=\"$PATH/article.html\">$DATE - $TITLE</a></li>" >> $INDEX_TOC
+  )
+done
+
+cat index.header toc.inc index.footer > index.html
+
+
+rsync -av --delete --exclude-from excludes.lst . /var/www/html
+
diff --git a/default.css b/default.css
new file mode 100644
index 0000000..23d9322
--- /dev/null
+++ b/default.css
@@ -0,0 +1,7 @@
+body {
+  background-color: white;
+  font-family: "verdana", sans-serif;
+  font-size: 16px;
+}
+
+
diff --git a/index.footer b/index.footer
new file mode 100644
index 0000000..fc5f8c6
--- /dev/null
+++ b/index.footer
@@ -0,0 +1,3 @@
+</ul>
+</body>
+</html>
diff --git a/index.m4 b/index.header
similarity index 87%
rename from index.m4
rename to index.header
index 606a37b..687a814 100644
--- a/index.m4
+++ b/index.header
@@ -1,6 +1,11 @@
-HEADER
-
-<h1>Projects - just for fun</h1>
+<html>	
+	<head>
+		<title>Projects - just for fun</title>
+	</head>
+	<link rel="stylesheet" type="text/css" href="/default.css"/>
+    
+    <body>
+    <h1>Projects - just for fun</h1>
 
 <p>
 I moved my blog away from wordpress.com. Reason is simple: I've no clue of DSGVO and I don't want to spend any time in it. And since I don't know which date wordpress.com is collecting and processing I stopped using it.
@@ -20,7 +25,4 @@ And: yes, I know, this homepage is soooo ugly. I'm sorry, no CSS yet.
 
 <h2>Overview</h2>
 <ul>
-include(`toc.inc')
-</ul>
 
-FOOTER
\ No newline at end of file
diff --git a/index.html b/index.html
index 4c25cc7..de749d6 100644
--- a/index.html
+++ b/index.html
@@ -1,14 +1,11 @@
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
-<h1>Projects - just for fun</h1>
+<html>	
+	<head>
+		<title>Projects - just for fun</title>
+	</head>
+	<link rel="stylesheet" type="text/css" href="/default.css"/>
+    
+    <body>
+    <h1>Projects - just for fun</h1>
 
 <p>
 I moved my blog away from wordpress.com. Reason is simple: I've no clue of DSGVO and I don't want to spend any time in it. And since I don't know which date wordpress.com is collecting and processing I stopped using it.
@@ -29,209 +26,54 @@ And: yes, I know, this homepage is soooo ugly. I'm sorry, no CSS yet.
 <h2>Overview</h2>
 <ul>
 
-
-
-<li>
-<a href="./pages/impressum/article.html">Impressum</a><br/>
-
-</li>
-
-
-
-<li>
-<a href="./pages/keys/article.html">Keys</a><br/>
-
-</li>
-
-
-
-
-<li>
-2015-06-05 -<a href="./posts/2015-06-05.01/article.html">Tools for the Arduino Development</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-03-11 -<a href="./posts/2014-03-11.01/article.html">Teensy meets "not so standard" UART configuration</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-03-09 -<a href="./posts/2014-03-09.01/article.html">4 Channel MBus-connected Thermometer, Part 2</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-02-21 -<a href="./posts/2014-02-21.01/article.html">4 Channel MBus-connected Thermometer, Part 1</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-02-13 -<a href="./posts/2014-02-13.01/article.html">Another (better) MBus-Master, Part 6</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-02-08 -<a href="./posts/2014-02-08.01/article.html">Another (better) MBus-Master, Part 5</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-01-22 -<a href="./posts/2014-01-22.01/article.html">Another (better) MBus-Master, Part 4</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-01-18 -<a href="./posts/2014-01-18.01/article.html">Another (better) MBus-Master, Part 3</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-01-15 -<a href="./posts/2014-01-15.01/article.html">Another (better) MBus-Master, Part 2</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-01-14 -<a href="./posts/2014-01-14.01/article.html">Another (better) MBus-Master, Part 1</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-01-08 -<a href="./posts/2014-01-08.02/article.html">Debouncing a rotary encoder is really hard</a><br/>
-
-</li>
-
-
-
-
-<li>
-2014-01-08 -<a href="./posts/2014-01-08.01/article.html">Arduino operated Current Sink</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-11-08 -<a href="./posts/2013-11-08.01/article.html">Has this large file something else than zeros?</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-11-07 -<a href="./posts/2013-11-07.01/article.html">DHCP server on a MacBook</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-09-21 -<a href="./posts/2013-09-21.01/article.html">M-Bus Master, Part 5</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-09-11 -<a href="./posts/2013-09-11.01/article.html">M-Bus Master, Part 4 (Gas)</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-09-10 -<a href="./posts/2013-09-10.01/article.html">M-Bus Master, Part 3 (Water)</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-09-09 -<a href="./posts/2013-09-09.01/article.html">M-Bus Master, Part 2 (Electricity)</a><br/>
-
-</li>
-
-
-
-
-<li>
-2018-07-24 -<a href="./posts/2013-07-24.01/article.html">M-Bus Master, Part 1 (Basics)</a><br/>
-
-</li>
-
-
-
-
-<li>
-2013-07-01 -<a href="./posts/2013-07-01.01/article.html">Theremin</a><br/>
-
-</li>
-
-
-
-
-<li>
-2018-06-27 -<a href="./posts/2013-06-27.02/article.html">Network-attached thermometer</a><br/>
-
-</li>
-
-
-
-
-
-<li>
-2013-06-27 -<a href="./posts/2013-06-27.01/article.html">Children Protection for Postfix-based EMail-Server</a><br/>
-
-</li>
-
-
-
-
-
-
-<li>
-2013-06-26 -<a href="./posts/2013-06-26.01/article.html">A Web-controlled Picture Frame</a><br/>
-A father-and-son weekend project with an Arduino, a stepper motor and a couple of family photos.
-</li>
-
+<li><a href="posts/2018-04-30.01/article.html"> - </a></li>
+<li><a href="posts/2018-02-22.01/article.html"> - </a></li>
+<li><a href="posts/2018-01-26.01/article.html"> - </a></li>
+<li><a href="posts/2017-07-04.01/article.html"> - </a></li>
+<li><a href="posts/2016-12-19.01/article.html"> - </a></li>
+<li><a href="posts/2016-11-02.01/article.html"> - </a></li>
+<li><a href="posts/2016-10-14.01/article.html"> - </a></li>
+<li><a href="posts/2016-09-12.01/article.html"> - </a></li>
+<li><a href="posts/2016-09-09.01/article.html"> - </a></li>
+<li><a href="posts/2016-03-03.01/article.html"> - </a></li>
+<li><a href="posts/2015-10-12.01/article.html"> - </a></li>
+<li><a href="posts/2015-09-14.01/article.html"> - </a></li>
+<li><a href="posts/2015-06-17.01/article.html"> - </a></li>
+<li><a href="posts/2015-06-05.04/article.html"> - </a></li>
+<li><a href="posts/2015-06-05.03/article.html"> - </a></li>
+<li><a href="posts/2015-06-05.02/article.html"> - </a></li>
+<li><a href="posts/2015-06-05.01/article.html"> - </a></li>
+<li><a href="posts/2015-01-01.01/article.html"> - </a></li>
+<li><a href="posts/2014-12-15.01/article.html"> - </a></li>
+<li><a href="posts/2014-12-11.01/article.html"> - </a></li>
+<li><a href="posts/2014-10-27.01/article.html"> - </a></li>
+<li><a href="posts/2014-10-04.01/article.html"> - </a></li>
+<li><a href="posts/2014-08-04.01/article.html"> - </a></li>
+<li><a href="posts/2014-05-11.02/article.html"> - </a></li>
+<li><a href="posts/2014-05-11.01/article.html"> - </a></li>
+<li><a href="posts/2014-04-07.01/article.html"> - </a></li>
+<li><a href="posts/2014-03-11.01/article.html"> - </a></li>
+<li><a href="posts/2014-03-09.01/article.html"> - </a></li>
+<li><a href="posts/2014-02-21.01/article.html"> - </a></li>
+<li><a href="posts/2014-02-13.01/article.html"> - </a></li>
+<li><a href="posts/2014-02-08.01/article.html"> - </a></li>
+<li><a href="posts/2014-01-22.01/article.html"> - </a></li>
+<li><a href="posts/2014-01-18.01/article.html"> - </a></li>
+<li><a href="posts/2014-01-15.01/article.html"> - </a></li>
+<li><a href="posts/2014-01-14.01/article.html"> - </a></li>
+<li><a href="posts/2014-01-08.02/article.html"> - </a></li>
+<li><a href="posts/2014-01-08.01/article.html"> - </a></li>
+<li><a href="posts/2013-11-08.01/article.html"> - </a></li>
+<li><a href="posts/2013-11-07.01/article.html"> - </a></li>
+<li><a href="posts/2013-09-21.01/article.html"> - </a></li>
+<li><a href="posts/2013-09-11.01/article.html"> - </a></li>
+<li><a href="posts/2013-09-10.01/article.html"> - </a></li>
+<li><a href="posts/2013-09-09.01/article.html"> - </a></li>
+<li><a href="posts/2013-07-24.01/article.html"> - </a></li>
+<li><a href="posts/2013-07-01.01/article.html"> - </a></li>
+<li><a href="posts/2013-06-27.02/article.html"> - </a></li>
+<li><a href="posts/2013-06-27.01/article.html"> - </a></li>
+<li><a href="posts/2013-06-26.01/article.html">2013-06-26 - A Web-controlled Picture Frame</a></li>
 </ul>
-
-
-  </body>
+</body>
 </html>
diff --git a/m4/indexTOCEntry.m4 b/m4/indexTOCEntry.m4
deleted file mode 100644
index 1b8a718..0000000
--- a/m4/indexTOCEntry.m4
+++ /dev/null
@@ -1,4 +0,0 @@
-<li>
-ifdef(`DATE', `DATE -')<a href="URL">TITLE</a><br/>
-ifdef(`ABSTRACT', `ABSTRACT')
-</li>
diff --git a/m4/macros.m4 b/m4/macros.m4
deleted file mode 100644
index 05ce7d5..0000000
--- a/m4/macros.m4
+++ /dev/null
@@ -1,11 +0,0 @@
-define(`HEADER', `
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-')
-define(`FOOTER', `
-  </body>
-</html>
-')
diff --git a/m4/mkfile.mk b/m4/mkfile.mk
deleted file mode 100644
index e69de29..0000000
diff --git a/m4/post.m4 b/m4/post.m4
deleted file mode 100644
index 92fab0a..0000000
--- a/m4/post.m4
+++ /dev/null
@@ -1,3 +0,0 @@
-HEADER
-CONTENT
-FOOTER
diff --git a/m4/posts.mk b/m4/posts.mk
deleted file mode 100644
index 62f3028..0000000
--- a/m4/posts.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-include ../../m4/mkfile.mk
-
-article.html:    article.m4
-	m4 ../../m4/macros.m4 article.m4 ../../m4/post.m4 > article.html
-
-.PHONY: cleanposts
-cleanposts:
-	-rm -f article.html
diff --git a/pages/impressum/article.m4 b/pages/impressum/article.m4
deleted file mode 100644
index 5d2a4be..0000000
--- a/pages/impressum/article.m4
+++ /dev/null
@@ -1,14 +0,0 @@
-define(`TITLE', `Impressum')
-define(`CONTENT', `
-Wolfgang Hottgenroth<br/>
-
-woho@hottis.de<br/>
-
-<a href="https://gitlab.com/wolutator">https://gitlab.com/wolutator</a><br/>
-
-<a href="https://www.xing.com/profile/Wolfgang_Hottgenroth">https://www.xing.com/profile/Wolfgang_Hottgenroth</a><br/>
-
-<a href="https://twitter.com/wollud1969">https://twitter.com/wollud1969</a><br/>
-
-<a href="https://keybase.io/wolutator/">https://keybase.io/wolutator/</a><br/>
-')
\ No newline at end of file
diff --git a/pages/keys/article.m4 b/pages/keys/article.m4
deleted file mode 100644
index 6bb9956..0000000
--- a/pages/keys/article.m4
+++ /dev/null
@@ -1,4 +0,0 @@
-define(`TITLE', `Keys')
-define(`CONTENT', `
-My public keys.
-')
\ No newline at end of file
diff --git a/plain/Makefile b/plain/Makefile
deleted file mode 100644
index 89ec687..0000000
--- a/plain/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-include ../m4/mkfile.mk
-
-
-%.html : %.m4
-	m4 ../m4/macros.m4 $< > $@
-
-
-logfile.html:    logfile.m4
-
-.PHONY: cleanplain
-cleanplain:
-	-rm -f logfile.html
diff --git a/plain/logfile.m4 b/plain/logfile.m4
deleted file mode 100644
index c2b1978..0000000
--- a/plain/logfile.m4
+++ /dev/null
@@ -1,63 +0,0 @@
-HEADER
-
-<p>
-This homepage is hosted on a standard Debian Stretch installation with a standard Apache webserver running on it.
-</p>
-
-<p>
-The logfile is written using this configuration statement:
-
-<pre>
-LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined
-</pre>
-</p>
-
-<p>
-The meaning of the format string elements are:
-
-<table border="1">
-  <tr>
-    <td>%h</td>
-    <td>Remote hostname or IP address. This is your address.</td>
-  </tr><tr>
-    <td>%l</td>
-    <td>Remote logname, if provided by identd. This is usually empty and represented by a dash.</td>
-  </tr><tr>
-    <td>%u</td>
-    <td>Remote username if the request was authenticated. This is, what you would enter in a basic authentication dialog. The public part of this homepage has no authenticated areas.</td>
-  </tr><tr>
-    <td>%t</td>
-    <td>The date and time of the request.</td>
-  </tr><tr>
-    <td>%r</td>
-    <td>The first line of the request, usually contains the URL you are requesting.</td>
-  </tr><tr>
-    <td>$>s</td>
-    <td>The final status code of this request.</td>
-  </tr><tr>
-    <td>%O</td>
-    <td>Bytes sent including headers.</td>
-  </tr><tr>
-    <td>%{Referer}i</td>
-    <td>What your browser puts into the variable Referer of your request. This is usually the address of the page which sent you here, like a search engine (Google, ...).</td>
-  </tr><tr>
-    <td>%{User-Agent}i</td>
-    <td>What your browser puts into the variable User-Agent of your request, usually its own software identification.</td>
-  </tr>
-</table>
-</p>
-
-<p>
-A typical log entry looks like this:
-
-<pre>
-217.7.123.85 - - [02/May/2018:14:53:05 +0200] "GET / HTTP/1.1" 200 4984 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.119 Safari/537.36"
-</pre>
-</p>
-
-<p>
-For more information consult the Apache documentation at <a href="http://httpd.apache.org/docs/2.4/mod/mod_log_config.html">http://httpd.apache.org/docs/2.4/mod/mod_log_config.html</a>.
-</p>
-
-
-FOOTER
\ No newline at end of file
diff --git a/posts/2013-06-26.01/article.html b/posts/2013-06-26.01/article.html
index cadc910..4ee79d6 100644
--- a/posts/2013-06-26.01/article.html
+++ b/posts/2013-06-26.01/article.html
@@ -1,18 +1,11 @@
-
-
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
-<h2>Ingredients:</h2>
+<html>	
+	<head>
+		<title>A Web-controlled Picture Frame</title>
+		<meta name="date" content="2013-06-26"/>
+	</head>
+	<link rel="stylesheet" type="text/css" href="/default.css"/>
+	<body>
+	<h2>Ingredients:</h2>
 <ul>
 	<li><span style="line-height:14px;">an Arduino Ethernet board</span></li>
 	<li>a small stepper motor</li>
@@ -44,13 +37,10 @@ This mark and the photos on the other side of the round piece of plywood have to
 
 (Consider the photos of your loved ones where you see colored rectangles above.)
 
-Thats it. Code is here <a href="http://files.a385e-5.de/files/Bilderrahmen-0.9.tar.gz">http://files.a385e-5.de/files/Bilderrahmen-0.9.tar.gz</a>
+That's it. Code is here <a href="http://files.a385e-5.de/files/Bilderrahmen-0.9.tar.gz">http://files.a385e-5.de/files/Bilderrahmen-0.9.tar.gz</a>
 
 &nbsp;
 
 &nbsp;
-'
-
-  </body>
+</body>
 </html>
-
diff --git a/posts/2013-06-26.01/article.m4 b/posts/2013-06-26.01/article.m4
deleted file mode 100644
index 3b90b2c..0000000
--- a/posts/2013-06-26.01/article.m4
+++ /dev/null
@@ -1,42 +0,0 @@
-define(`TITLE', `A Web-controlled Picture Frame')
-define(`ABSTRACT', `A father-and-son weekend project with an Arduino, a stepper motor and a couple of family photos.')
-define(`DATE', `2013-06-26')
-define(`CONTENT', `
-<h2>Ingredients:</h2>
-<ul>
-	<li><span style="line-height:14px;">an Arduino Ethernet board</span></li>
-	<li>a small stepper motor</li>
-	<li>a double full-H-bridge to drive the stepper</li>
-	<li>a reflexion sensor with LED and photo transistor</li>
-	<li>some plywood</li>
-	<li>four photos of your loved ones</li>
-	<li>a black self-adhesive plastic film</li>
-	<li>the <a href="http://code.google.com/p/webduino/" target="_blank">webduino library</a> from the Arduino homepage</li>
-	<li>the <a href="http://www.arduino.cc/playground/Code/Metro" target="_blank">Metro library</a> from the Arduino homepage</li>
-</ul>
-<a href="http://a385e-5.de/wp-content/uploads/2013/06/Foto-2.jpg"><img class="alignnone size-medium wp-image-20" alt="Foto 2" src="http://a385e-5.de/wp-content/uploads/2013/06/Foto-2-224x300.jpg" width="224" height="300" /></a>
-
-&nbsp;
-
-The Arduino drives via the double full-H-bridge the stepper to turn 90° three times, 15 minutes between each turn. The fourth time, to complete the 360° full turnaround, its drives the stepper until ...
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/06/Foto-4.jpg"><img class="alignnone size-medium wp-image-24" alt="Foto 4" src="http://a385e-5.de/wp-content/uploads/2013/06/Foto-4-224x300.jpg" width="224" height="300" /></a>
-
-&nbsp;
-
-the white mark arrives of the reflexion light sensor.
-
-This mark and the photos on the other side of the round piece of plywood have to be adjusted carefully, that way, that one photo appear in a window in the frontside of the wooden box.
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/06/Foto-3.jpg"><img class="alignnone size-medium wp-image-22" alt="Foto 3" src="http://a385e-5.de/wp-content/uploads/2013/06/Foto-3-224x300.jpg" width="224" height="300" /></a>
-
-&nbsp;
-
-(Consider the photos of your loved ones where you see colored rectangles above.)
-
-That's it. Code is here <a href="http://files.a385e-5.de/files/Bilderrahmen-0.9.tar.gz">http://files.a385e-5.de/files/Bilderrahmen-0.9.tar.gz</a>
-
-&nbsp;
-
-&nbsp;
-')
diff --git a/posts/2013-06-27.01/article.html b/posts/2013-06-27.01/article.html
index 49e8db7..1c2caf2 100644
--- a/posts/2013-06-27.01/article.html
+++ b/posts/2013-06-27.01/article.html
@@ -1,16 +1,6 @@
-
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Children Protection for Postfix-based EMail-Server')
+define(`DATE', `2013-06-27')
+define(`CONTENT', `
 This small tool implements a whitelist on a Postfix mail-server. It prevents certain recipient addresses (your kids ones) from receiving mail from any not whitelisted address. Any mail from not whitelisted senders is redirected to a delegate (a parent).
 
 Code is here <a href="http://files.a385e-5.de/files/ChildProt-0.9.tar.gz">http://files.a385e-5.de/files/ChildProt-0.9.tar.gz</a>
@@ -53,8 +43,4 @@ The tool is querying the view <em>child_v</em>.
 &nbsp;
 
 &nbsp;
-
-
-  </body>
-</html>
-
+')
diff --git a/posts/2013-06-27.01/article.m4 b/posts/2013-06-27.01/article.m4
deleted file mode 100644
index 1c2caf2..0000000
--- a/posts/2013-06-27.01/article.m4
+++ /dev/null
@@ -1,46 +0,0 @@
-define(`TITLE', `Children Protection for Postfix-based EMail-Server')
-define(`DATE', `2013-06-27')
-define(`CONTENT', `
-This small tool implements a whitelist on a Postfix mail-server. It prevents certain recipient addresses (your kids ones) from receiving mail from any not whitelisted address. Any mail from not whitelisted senders is redirected to a delegate (a parent).
-
-Code is here <a href="http://files.a385e-5.de/files/ChildProt-0.9.tar.gz">http://files.a385e-5.de/files/ChildProt-0.9.tar.gz</a>
-
-Configure it by adding this line into the <em>master.cf</em> of the Postfix installation:
-<pre>childprot unix  -       n       n       -       25      spawn user=mail argv=/opt/sbin/ChildProt</pre>
-and this to the <em>main.cf</em>:
-<pre class="brush: text; gutter: false">smtpd_recipient_restrictions =
-  [...]
-  check_policy_service unix:private/childprot
-  [...]</pre>
-The restricted recipients and the whitelists are stored in an SQLite3 database:
-<pre class="brush: sql; gutter: false">CREATE TABLE child_address_t (
-  child INTEGER REFERENCES child_t(id),
-  address TEXT
-);
-
-CREATE TABLE child_t (
-  id INTEGER PRIMARY KEY,
-  name TEXT,
-  delegate TEXT
-);
-
-CREATE TABLE whitelist_t (
-  child INTEGER REFERENCES child_t(id),
-  address TEXT
-);
-
-CREATE VIEW child_v AS
-  SELECT c.id as id,
-         c.delegate as delegate,
-         ca.address as address
-  FROM child_t c,
-       child_address_t ca
-  WHERE c.id = ca.child;</pre>
-Restricted persons together with their delegates are added to the table <em>child_t</em>, multiple addresses can be assigned to those persons in <em>child_address_t</em>. Whitelists per person are maintained in <em>whitelist_t</em>.
-
-The tool is querying the view <em>child_v</em>.
-
-&nbsp;
-
-&nbsp;
-')
diff --git a/posts/2013-06-27.02/article.html b/posts/2013-06-27.02/article.html
index d048b36..ee5c20b 100644
--- a/posts/2013-06-27.02/article.html
+++ b/posts/2013-06-27.02/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Network-attached thermometer')
+define(`DATE', `2018-06-27')
+define(`CONTENT', `
 <a href="http://a385e-5.de/wp-content/uploads/2013/06/Foto-4-1.jpg"><img class="alignnone size-medium wp-image-23" alt="Foto 4-1" src="http://a385e-5.de/wp-content/uploads/2013/06/Foto-4-1-224x300.jpg" width="224" height="300" /></a>
 
 
@@ -41,8 +32,4 @@ Temperature of the last seven days:
 
 Temperature of the month:
 <a href="https://eupenstrasse.yadynns.net:80/graph/Index?g=month"><img class="alignnone size-medium wp-image-23" alt="Foto 4-1" src="https://eupenstrasse.yadynns.net:80/graph/Month" width="224" height="300" /></a>
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-06-27.02/article.m4 b/posts/2013-06-27.02/article.m4
deleted file mode 100644
index ee5c20b..0000000
--- a/posts/2013-06-27.02/article.m4
+++ /dev/null
@@ -1,35 +0,0 @@
-define(`TITLE', `Network-attached thermometer')
-define(`DATE', `2018-06-27')
-define(`CONTENT', `
-<a href="http://a385e-5.de/wp-content/uploads/2013/06/Foto-4-1.jpg"><img class="alignnone size-medium wp-image-23" alt="Foto 4-1" src="http://a385e-5.de/wp-content/uploads/2013/06/Foto-4-1-224x300.jpg" width="224" height="300" /></a>
-
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/06/201307031008.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/06/201307031008-300x290.jpg" alt="201307031008" width="300" height="290" class="alignnone size-medium wp-image-105" /></a>
-
-Using the voltage-reference LT1004 1.2 and the voltage divider, a voltage of 1.0V is provided to the op-amp, which forms together with the bottom 1k resistor and the BS108 a current source, driving 1.0mA through the PT1000. Since 1mA is a bit high for a PT1000, this current can be shut down using the other BS108 by the mcirocontroller via P5.
-
-For a measurement, the current of 1.0mA is switched on, about 100us later the voltage over the PT100 is measured through the difference amplifier and the ADC MAX187, which is read by the microcontroller via P2, P3 and P4. Immediately after measuring the voltage the current is switched off again to avoid heating up the PT1000 with the measurement current.
-
-Embedded software running on the Arduino Uno calculates the temperature from the voltage of the PT1000. This temperature value is low pass filtered using exponential smoothing. All three values (digital output of the ADC, raw temperature and smoothed temperature are provided via the Arduino Ethernet Shield and a proprietary protocol on the LAN, where the values are queried with a period of one minute by the server-side support software and stored in a database.
-
-
-
-
-<a href="http://files.a385e-5.de/files/NetThermometer-0.9.tar.gz" target="_blank">Embedded code</a>
-
-<a href="http://files.a385e-5.de/files/NetThermometerSupport-0.9.tar.gz" target="_blank">Support code</a>
-
-
-
-
-Temperature of the day:
-
-<a href="https://eupenstrasse.yadynns.net:80/graph/Index?g=today"><img class="alignnone size-medium wp-image-23" alt="Foto 4-1" src="https://eupenstrasse.yadynns.net:80/graph/Today" width="224" height="300" /></a>
-
-
-Temperature of the last seven days:
-<a href="https://eupenstrasse.yadynns.net:80/graph/Index?g=week"><img class="alignnone size-medium wp-image-23" alt="Foto 4-1" src="https://eupenstrasse.yadynns.net:80/graph/Week" width="224" height="300" /></a>
-
-Temperature of the month:
-<a href="https://eupenstrasse.yadynns.net:80/graph/Index?g=month"><img class="alignnone size-medium wp-image-23" alt="Foto 4-1" src="https://eupenstrasse.yadynns.net:80/graph/Month" width="224" height="300" /></a>
-')
\ No newline at end of file
diff --git a/posts/2013-07-01.01/article.html b/posts/2013-07-01.01/article.html
index ee4d254..d2536f2 100644
--- a/posts/2013-07-01.01/article.html
+++ b/posts/2013-07-01.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Theremin')
+define(`DATE', `2013-07-01')
+define(`CONTENT', `
 <p>
 A <a href="https://en.wikipedia.org/wiki/Theremin" target="_blank" rel="noopener">Theremin</a> is a rather old electronic music instrument, invented in 1928. It is played by approaching hands to two antennas, without touching them. One antenna is used to manipulate the frequeny of the tone, the other one to manipulate the volume.
 </p>
@@ -57,7 +48,7 @@ This term can be modified using the addition rule for trigonometric functions in
 <p>
 Due to this transformation, two signals, one with the sum and one with the difference of both input signal frequencies, are accumulated.
 When both frequencies are exactly the same, one part of the sum appears as a DC offset, while the other part is the doubled frequency.
-If one oscillator is de-tuned by only a few Hzs, one part are this few Hzs (a very low, hearable frequency) and the other part is still (roughly) the doubled frequency (a high frequency). The high frequency part can now be suppressed using a lowpass-filter.
+If one oscillator is de-tuned by only a few Hz'`s, one part are this few Hz'`s (a very low, hearable frequency) and the other part is still (roughly) the doubled frequency (a high frequency). The high frequency part can now be suppressed using a lowpass-filter.
 Multiplication of two signals can be done using an analog four quadrant multiplier, like the AD633. So, this is the schematic of the mixer+filter block:
 </p>
 
@@ -132,8 +123,4 @@ The output signal of this block in turn is the volume-controlled and frequency-c
 <p>
 <a href="https://www.youtube.com/watch?v=lDld71HI66o&amp;w=420&amp;h=315">Playing the Theremin</a>
 </p>
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-07-01.01/article.m4 b/posts/2013-07-01.01/article.m4
deleted file mode 100644
index d2536f2..0000000
--- a/posts/2013-07-01.01/article.m4
+++ /dev/null
@@ -1,126 +0,0 @@
-define(`TITLE', `Theremin')
-define(`DATE', `2013-07-01')
-define(`CONTENT', `
-<p>
-A <a href="https://en.wikipedia.org/wiki/Theremin" target="_blank" rel="noopener">Theremin</a> is a rather old electronic music instrument, invented in 1928. It is played by approaching hands to two antennas, without touching them. One antenna is used to manipulate the frequeny of the tone, the other one to manipulate the volume.
-</p>
-
-<p>
-<img src="foto-am-30-06-13-um-20-021.jpg"/>
-</p>
-
-<p>
-This is just another Theremin. Only basic structure of the circuit was taken from many other published Theremin circuits.
-</p>
-
-<p>
-<img src="scan_005006-1024x654.jpg"/>
-</p>
-
-<p>
-Completely new (or at least not found during my Theremin googling) is the digital zero-calibration.
-</p>
-
-<p>
-The both left-hand-side oscillators together with the mixer+filter block provide the signal to control the volume, the right-hand-side oscillators and mixer+filter block provide the signal to control the frequency.
-</p>
-
-<p>
-Each of these both couples consists of two oscillators and a mixer+filter block. Both oscillators have to swing on exactly the same frequency, in this case of about 1.3MHz. While the exact frequency does not matter, it is significant that both oscillators have the same frequency. The signals of both oscillators will be mixed, which means, multiplied.
-</p>
-
-<p>
-[math]sin(omega_0 t) sin(omega t)[/math]
-</p>
-
-<p>
-Here [math]omega[/math] is the frequncy of one of the oscillators while [math]omega_0[/math] is the frequency of the other one.
-</p>
-
-<p>
-This term can be modified using the addition rule for trigonometric functions into
-</p>
-
-<p>
-[math]frac{cos((omega_0-omega)t)-cos((omega_0+omega)t)}{2}[/math]
-</p>
-
-<p>
-Due to this transformation, two signals, one with the sum and one with the difference of both input signal frequencies, are accumulated.
-When both frequencies are exactly the same, one part of the sum appears as a DC offset, while the other part is the doubled frequency.
-If one oscillator is de-tuned by only a few Hz'`s, one part are this few Hz'`s (a very low, hearable frequency) and the other part is still (roughly) the doubled frequency (a high frequency). The high frequency part can now be suppressed using a lowpass-filter.
-Multiplication of two signals can be done using an analog four quadrant multiplier, like the AD633. So, this is the schematic of the mixer+filter block:
-</p>
-
-<p>
-<img src="scan_005006_5-1024x717.jpg"/>
-</p>
-
-<p>
-The output signal of this block is the difference of the detuning of the one oscillator.
-</p>
-
-<p>
-Detuning of the oscillator will be achieved by approaching the hand to the antenna of the oscillator.
-</p>
-
-<p>
-<img src="scan_005006_3.jpg"/>
-</p>
-
-<p>
-The antenna acts as a kind of a capacitive sensor and by approaching the hand a very small amount of capacity is added into the LC resonator.
-</p>
-
-<p>
-The other oscillator is a fix-frequency oscillator which can be tuned to swing on the same frequency as the first oscillator in a not detuned state.
-</p>
-
-<p>
-<img src="scan_005006_4.jpg"/>
-</p>
-
-<p>
-This tuning is achieved by biasing the two varactor diodes.
-</p>
-
-<p>
-Here is automated tuning circuit steps in:
-</p>
-
-<p>
-<img src="scan_005006_6.jpg"/>
-</p>
-
-<p>
-The low-frequency output signal of the mixer+filter block is provided through a 2-to-1 multiplexer (the four NAND-gates) into a microcontroller. The microcontroller measures the frequency and as long as it is above a frequency [math]epsilon[/math] of say 10Hz, the bias voltage [math]U_{tune}[/math] is increased.
-</p>
-
-<p>
-These both oscillators with mixer+filter and one channel of the zero-calibration appear twice in the whole circuit, one for frequency manipulation and one for volume manipulation.
-</p>
-
-<p>
-The low-frequency, hearable, signal and the volume-control signal are brought together in the volume-control circuit
-</p>
-
-<p>
-<img src="scan_005006_2-1024x553.jpg"/>
-</p>
-
-<p>
-Here, the low-frequency signal [math]U_{Lf1}[/math] is passed through a high-pass filter. The high-pass filter is calculated that way that the whole detunable frequency range comes onto the ramp of the filter. So, the not detuned output signal of the mixer+filter is a DC signal, which is suppressed completely by the high-pass filter (beginning of the ramp) and the maximum detuned output signal of about 2kHz matched roughly to the end of the ramp. This filtered signal is rectified and only the negative half-wave of the signal passes the diode. This half-wave signal is sieved by the larger capacitor to get a DC signal between 0 and the maximum amplitude which passed the fiter. This negative DC signal is fed into the FET, which is configured as a voltage controlled resistor. This voltage controlled resistor and the fix resistor (5k6) are building a voltage controlled voltage divider. The hearable frequency signal [math]U_{Lf2}[/math] is fed into this voltage divider  and passed to an amplifier.
-</p>
-
-<p>
-The output signal of this block in turn is the volume-controlled and frequency-controlled signal which is the output signal of this Theremin. It is passed into a power-amplifier and into a speaker - done.
-</p>
-
-<p>
-<a href="https://www.youtube.com/watch?v=5US8LY_FbQ4&amp;w=420&amp;h=315">Calibrating the Theremin</a>
-</p>
-
-<p>
-<a href="https://www.youtube.com/watch?v=lDld71HI66o&amp;w=420&amp;h=315">Playing the Theremin</a>
-</p>
-')
\ No newline at end of file
diff --git a/posts/2013-07-24.01/article.html b/posts/2013-07-24.01/article.html
index 08c0371..d8198a8 100644
--- a/posts/2013-07-24.01/article.html
+++ b/posts/2013-07-24.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `M-Bus Master, Part 1 (Basics)')
+define(`DATE', `2018-07-24')
+define(`CONTENT', `
 (Sorry, all images lost in a former migration.)
 
 <p>
@@ -84,8 +75,4 @@ The MOSFET T1 has been replaced by a NPN transistor BC547, the waveforms are sti
 Ch. 1 (yellow) is the voltage on the M-bus terminal, Ch. 2 (blue) is the generator signal at TX.
 </p>
 
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-07-24.01/article.m4 b/posts/2013-07-24.01/article.m4
deleted file mode 100644
index d8198a8..0000000
--- a/posts/2013-07-24.01/article.m4
+++ /dev/null
@@ -1,78 +0,0 @@
-define(`TITLE', `M-Bus Master, Part 1 (Basics)')
-define(`DATE', `2018-07-24')
-define(`CONTENT', `
-(Sorry, all images lost in a former migration.)
-
-<p>
-The M-Bus (short for meter-bus) is primarily used for household meters for water, gas and electric power. See <a href="http://www.m-bus.com" title="www.m-bus.com" target="_blank">here</a> and <a href="https://en.wikipedia.org/wiki/Meter-Bus" title="Meter-Bus (Wikipedia)" target="_blank">here</a>.
-</p>
-
-<p>
-This is an attempt to build a simple master for this bus, which is a single-master multiple-slave bus, to be controlled using an Arduino system.
-</p>
-
-<p>
-<a href="http://a385e-5.de/wp-content/uploads/2013/07/laser-drucker_005070.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/07/laser-drucker_005070-300x218.jpg" alt="laser-drucker_005070" width="300" height="218" class="alignnone size-medium wp-image-118" /></a>
-</p>
-
-<p>
-Master to slave communication is performed by lowering the voltage at the bus by 12V, so here, from 30V to 18V. In the above schematic, T2 and IC1 together with the divider of R1 and R2 are forming a voltage source. When T1 is blocking, the bottom part of the divider is inactive and full 30V is the reference for the voltage source and the output voltage at the bus is 30V. When T1 is conducting (high signal at TX), the bottom part of the divider becomes active and the reference voltage is lowered to 18V, consequently the output voltage at the bus is 18V too.
-</p>
-
-<p>
-(Maybe the signal driving T1 needs to be inverted first to get the correct logical polarity, not yet verified.)
-</p>
-
-<p>
-This is the waveform with a feed of 10kHz at TX:
-</p>
-
-<p>
-<a href="http://a385e-5.de/wp-content/uploads/2013/07/TX.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/07/TX-300x219.jpg" alt="TX" width="300" height="219" class="alignnone size-medium wp-image-123" /></a>
-</p>
-
-<p>
-Ch. 2 (blue) is the input signal from the function generator, Ch. 1 (yellow) is the output signal at the bus terminals. It still needs to be verified whether the setup time (delay between falling edge of input and raising edge of output) is short enough.
-</p>
-
-<p>
-R5 is a current sense for the receive path, R4 is a ground-load for an open bus and C1 serves to filter the output voltage. Only a rather small capacitor is used here to only filter the high-frequency noise (around 1MHz) from the source but not the signal of about 10kHz fed through T1 from TX.
-</p>
-
-<p>
-Slave to master communication is performed by changing the current sinked by the slave. A logical "1" is signalled by a current of maximum 1,5mA, a logical "0" is signalled by a current of 11-20mA. This is sensed at R5 and needs to be conditioned before feeding as RX into the microcontroller.
-</p>
-
-<p>
-The voltage over R5 is in the low load situation about 100mV, in the high load situation about 1V. These are good voltages to block or conduct a PNP transistor, in the following schematic T3.
-</p>
-
-<p>
-<a href="http://a385e-5.de/wp-content/uploads/2013/07/schematic1.png"><img src="http://a385e-5.de/wp-content/uploads/2013/07/schematic1-255x300.png" alt="schematic1" width="255" height="300" class="alignnone size-medium wp-image-128" /></a>
-</p>
-
-<p>
-The voltage of the signal at the point RX is limited using a Z-diode to fit into the range acceptable for a microcontroller. It is:
-</p>
-
-<p>
-<a href="http://a385e-5.de/wp-content/uploads/2013/07/NewFile2.png"><img src="http://a385e-5.de/wp-content/uploads/2013/07/NewFile2-300x219.png" alt="NewFile2" width="300" height="219" class="alignnone size-medium wp-image-130" /></a>
-</p>
-
-<p>
-Ch. 1 (yellow) is the signal from the generator to switch the load situation, Ch. 2 (blue) the signal at RX.
-</p>
-
-<p>
-The MOSFET T1 has been replaced by a NPN transistor BC547, the waveforms are still very good:
-</p>
-
-<p>
-<a href="http://a385e-5.de/wp-content/uploads/2013/07/NewFile3.png"><img src="http://a385e-5.de/wp-content/uploads/2013/07/NewFile3-300x219.png" alt="NewFile3" width="300" height="219" class="alignnone size-medium wp-image-129" /></a>
-</p>
-
-<p>
-Ch. 1 (yellow) is the voltage on the M-bus terminal, Ch. 2 (blue) is the generator signal at TX.
-</p>
-
-')
\ No newline at end of file
diff --git a/posts/2013-09-09.01/article.html b/posts/2013-09-09.01/article.html
index 4fc0e77..e4d2c48 100644
--- a/posts/2013-09-09.01/article.html
+++ b/posts/2013-09-09.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `M-Bus Master, Part 2 (Electricity)')
+define(`DATE', `2013-09-09')
+define(`CONTENT', `
 <a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-3.jpg"><img class="alignnone size-medium wp-image-145" alt="Foto 3" src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-3-300x225.jpg" width="300" height="225" /></a>
 
 Finally, this MeterBus transceiver is connected to an Arduino Ethernet board and talks to an M-Bus equipped electric powermeter
@@ -116,8 +107,4 @@ Octet(s), Field, Meaning
 <code>0A</code>,          Checksum,
 <code>16</code>,          Stopbyte,
 [/table]
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-09-09.01/article.m4 b/posts/2013-09-09.01/article.m4
deleted file mode 100644
index e4d2c48..0000000
--- a/posts/2013-09-09.01/article.m4
+++ /dev/null
@@ -1,110 +0,0 @@
-define(`TITLE', `M-Bus Master, Part 2 (Electricity)')
-define(`DATE', `2013-09-09')
-define(`CONTENT', `
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-3.jpg"><img class="alignnone size-medium wp-image-145" alt="Foto 3" src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-3-300x225.jpg" width="300" height="225" /></a>
-
-Finally, this MeterBus transceiver is connected to an Arduino Ethernet board and talks to an M-Bus equipped electric powermeter
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/kettle.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/kettle-300x221.jpg" alt="kettle" width="300" height="221" class="alignnone size-medium wp-image-167" /></a>
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-2.jpg"><img class="alignnone size-medium wp-image-144" alt="Foto 2" src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-2-300x225.jpg" width="300" height="225" /></a>
-
-The power meter was configured to M-Bux address 0x21, and so the initialize command, sent through the Arduino and the transceiver has been answered correctly:
-
-<code>
-so 10 40 21 61 16
-success
-SO RESP: E5
-</code>
-
-<code>so</code> is the command for the firmware to send the following octets on the bus, <code>success</code> is the acknowledgement, that this has been done and <code>SO RESP:</code> is the prefix for the octets received from the bus.
-
-According the the manufacturers <a href="http://gfinder.findernet.com//assets/Series/388/S7EM-BusDE.pdf" target="_blank">documentation</a> the M-Bus command <code>REQ_UD2</code> (see <a href="http://http://www.m-bus.com/mbusdoc/md5.php" target="_blank">here in the M-Bus documentation</a> should be used to request all the measurement data from the powermeter, and it works:
-
-Here without any consumer load:
-<code>
-so 10 5b 21 7c 16
-success
-SO RESP: 68 38 38 68 08 21 72 99 51 00 13 2E 19 21 02 01 00 00 00 8C
-10 04 <strong>06 00 00 00</strong> 8C 11 04 00 00 00 00 02 FD C9 FF 01 <strong>E3 00</strong> 02 FD DB
-FF 01 <strong>00 00</strong> 02 AC FF 01 <strong>00 00</strong> 82 40 AC FF 01 00 00 EB 16
-</code>
-
-Here with an electric kettle as consumer load:
-<code>
-so 10 5b 21 7c 16
-success
-SO RESP: 68 38 38 68 08 21 72 99 51 00 13 2E 19 21 02 02 00 00 00 8C
-10 04 <strong>06 00 00 00</strong> 8C 11 04 00 00 00 00 02 FD C9 FF 01 <strong>DE 00</strong> 02 FD DB
-FF 01 <strong>56 00</strong> 02 AC FF 01 <strong>CD 00</strong> 82 40 AC FF 01 00 00 0A 16
-</code>
-
-In the above answer of the powermeter the important measurement values are highlighted:
-
-[table]
-Data,measurement category,multiplicator and unit,
-<code>06 00 00 00</code>,total consumption,0.01kWh,0.06kWh
-<code>DE 00</code>,voltage,1V,222V
-<code>56 00</code>,current,0.1A,8.6A
-<code>CD 00</code>,power,0.01kW,2.05kW
-[/table]
-
-
-<a href="http://files.a385e-5.de/files/NetMeterBusMaster-0.9.tar.gz" target="_blank">Here</a> is the firmware for the Arduino.
-
-
-This is a closer look into the response data structure:
-
-(Manufacturer IDs can be found <a href="http://dlms.com/organization/flagmanufacturesids/index.html" target="_blank">here</a>.)
-
-[table]
-Octet(s), Field, Meaning
-<code>68 38 38 68</code>, Preamble with lentgh,
-<code>08</code>,          C Field,
-<code>21</code>,          A Field,
-<code>72</code>,          CI Field, variable data response
-
-<code>99 51 00 13</code>, Ident. No.,
-<code>2E 19</code>,       Manufacturer, FIN = Finder GmbH
-<code>21</code>,          Version,
-<code>02</code>,          Medium, Electricity
-<code>02</code>,          Access No,
-<code>00</code>,          Status,
-<code>00 00</code>,       Signature,
-
-<code>8C</code>,          DIF, ext; instantaneuos value; 8 digit BCD
-<code>10</code>,          DIFE, tariff 1; storage 0
-<code>04</code>,          VIF, Energy; 10^(4-3)Wh
-<code>06 00 00 00</code>, Value, 0.06kWh
-<code>8C</code>,          DIF, ext; instantaneuos value; 8 digit BCD
-<code>11</code>,          DIFE, tariff 1; storage 1
-<code>04</code>,          VIF, Energy; 10^(4-3)Wh
-<code>00 00 00 00</code>, Value, 0
-<code>02</code>,          DIF, 16bit integer
-<code>FD</code>,          VIF, ext; true VIF is next; see table for secondary VIF
-<code>C9</code>,          VIFE, ext; Voltage; 10^(9-9)V
-<code>FF</code>,          VIFE, manufacturer specific next VIFE
-<code>01</code>,          VIFE, 
-<code>DE 00</code>,       Value, 222V
-<code>02</code>,          DIF, 16bit integer
-<code>FD</code>,          VIF, ext; true VIF is next; see table for secondary VIF
-<code>DB</code>,          VIFE, ext; Current; 10^(11-12)A
-<code>FF</code>,          VIFE, manufacturer specific next VIFE
-<code>01</code>,          VIFE,
-<code>56 00</code>,       Value, 8.6A
-<code>02</code>,          DIF, 16bit integer
-<code>AC</code>,          VIF, ext; Power; 10^(4-3)W
-<code>FF</code>,          VIFE, manufacturer specific next VIFE
-<code>01</code>,          VIFE,
-<code>CD 00</code>,       Value, 2.05kW
-<code>82</code>,          DIF, ext; 16bit integer
-<code>40</code>,          DIFE, tariff 0; storage 4
-<code>AC</code>,          VIF, ext; Power; 10^(4-3)W
-<code>FF</code>,          VIFE, manufacturer specific next VIFE
-<code>01</code>,          VIFE,
-<code>00 00</code>,       Value, 0
-
-<code>0A</code>,          Checksum,
-<code>16</code>,          Stopbyte,
-[/table]
-')
\ No newline at end of file
diff --git a/posts/2013-09-10.01/article.html b/posts/2013-09-10.01/article.html
index 87af67d..3c37245 100644
--- a/posts/2013-09-10.01/article.html
+++ b/posts/2013-09-10.01/article.html
@@ -1,20 +1,11 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `M-Bus Master, Part 3 (Water)')
+define(`DATE', `2013-09-10')
+define(`CONTENT', `
 Now, also the water meter talks to me.
 
 <a href="http://a385e-5.de/wp-content/uploads/2013/09/Wasserzaehler.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Wasserzaehler-225x300.jpg" alt="Wasserzaehler" width="225" height="300" class="alignnone size-medium wp-image-173" /></a>
 
-(Note the thin grey cable, thats the M-Bus cable.)
+(Note the thin grey cable, that'`s the M-Bus cable.)
 
 And, after a small modification of the circuit I can talk to water meter and electric power meter connected in parallel to the master.
 
@@ -23,7 +14,7 @@ And, after a small modification of the circuit I can talk to water meter and ele
 <blockquote>
 <a href="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_005120.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_005120-209x300.jpg" alt="laser-drucker_005120" width="209" height="300" class="alignnone size-medium wp-image-192" /></a>
 
-IC2 was already added in the last step, since the output of the analog circuit and the requirements of the MCU didnt match concerning their logical polarity.
+IC2 was already added in the last step, since the output of the analog circuit and the requirements of the MCU didn'`t match concerning their logical polarity.
 
 Now, T3 (BS108) and R9 (2k2) have been added to disable the receive path while data is transmitted.
 </blockquote>
@@ -122,8 +113,4 @@ Decoding of the time&amp;date type is done like this:
 </pre>
 (Found on github in the libmbus repo.)
 
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-09-10.01/article.m4 b/posts/2013-09-10.01/article.m4
deleted file mode 100644
index 3c37245..0000000
--- a/posts/2013-09-10.01/article.m4
+++ /dev/null
@@ -1,116 +0,0 @@
-define(`TITLE', `M-Bus Master, Part 3 (Water)')
-define(`DATE', `2013-09-10')
-define(`CONTENT', `
-Now, also the water meter talks to me.
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/Wasserzaehler.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Wasserzaehler-225x300.jpg" alt="Wasserzaehler" width="225" height="300" class="alignnone size-medium wp-image-173" /></a>
-
-(Note the thin grey cable, that'`s the M-Bus cable.)
-
-And, after a small modification of the circuit I can talk to water meter and electric power meter connected in parallel to the master.
-
-
-
-<blockquote>
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_005120.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_005120-209x300.jpg" alt="laser-drucker_005120" width="209" height="300" class="alignnone size-medium wp-image-192" /></a>
-
-IC2 was already added in the last step, since the output of the analog circuit and the requirements of the MCU didn'`t match concerning their logical polarity.
-
-Now, T3 (BS108) and R9 (2k2) have been added to disable the receive path while data is transmitted.
-</blockquote>
-
-
-Responding the <code>REQ_UD2</code> command, the water meter sends this telegram (address 0x30 has been assigned to it first):
-
-<code>
-so 10 5b 30 8b 16
-success
-SO RESP: 68 46 46 68 08 30 72 45 71 43 00 24 23 25 07 02 00 00 00 0C 
-13 51 84 00 00 8C 10 13 00 00 00 00 0B 3B 00 00 00 0B 26 62 06 00 02 
-5A CC 00 04 6D 17 16 A9 19 7C 13 00 00 00 00 FC 10 13 00 00 00 00 72 
-6C 00 00 42 EC 7E BF 1C 35 16 
-</code>
-
-A closer look, consulting the <a href="http://www.m-bus.com/mbusdoc/md8.php" title="M-Bus documentation" target="_blank">M-Bus documentation</a> reveals the meaning:
-
-[table]Octet(s), Field, Meaning
-<code>68 46 46 68</code>, Preamble with length,
-<code>08</code>, C field,
-<code>30</code>, A field (address),
-<code>72</code>, CI field, variable data response
-
-<code>45 71 43 00</code>, Ident. No.,
-<code>24 23</code>,       Manufacturer ,  HYD = Hydrometer GmbH
-<code>25</code>,          Version,
-<code>07</code>,          Medium, Water
-<code>02</code>,          Access No.,
-<code>00</code>,          Status,
-<code>00 00</code>,       Signature,
-
-<code>0C</code>,          DIF, 8 digit BCD
-<code>13</code>,          VIF, Volume; 10^(3-6)m^3
-<code>51 84 00 00</code>, Value, 8.451m^3
-<code>8C</code>,          DIF, ext; 8 digit BCD
-<code>10</code>,          DIFE, minimum value
-<code>13</code>,          VIF, Volume; 10^(3-6)m^3
-<code>00 00 00 00</code>, Value, 0
-<code>0B</code>,          DIF, 6 digit BCD
-<code>3B</code>,          VIF, Volume flow; 10^(3-6)m^3/h
-<code>00 00 00</code>,    Value, 0
-<code>0B</code>,          DIF, 6 digit BCD
-<code>26</code>,          VIF, Operating time; hours
-<code>62 06 00</code>,    Value, 662h = 27.6d
-<code>02</code>,          DIF, 16bit integer
-<code>5A</code>,          VIF, Flow Temperature; 10^(2-3)°C
-<code>CC 00</code>,       Value, 20.4°C
-<code>04</code>,          DIF, 32bit integer
-<code>6D</code>,          VIF, Time Point; time&amp;date
-<code>17 16 A9 19</code>, Value,
-<code>7C</code>,          DIF, LSB; value during error state; 8 digit BCD
-<code>13</code>,          VIF, Volume; 10^(3-6)m^3
-<code>00 00 00 00</code>, Value, 0
-<code>FC</code>,          DIF, ext; LSB; value during error state; 8 digit BCD
-<code>10</code>,          DIFE, tariff 1
-<code>13</code>,          VIF, Volume; 10^(3-6)m^3
-<code>00 00 00 00</code>, Value, 0
-<code>72</code>,          DIF, LSB; value during error state; 16bit integer
-<code>6C</code>,          VIF, Time Point; date
-<code>00 00</code>,       Value, 0
-<code>42</code>,          DIF, LSB; 16bit integer
-<code>EC</code>,          VIF, ext; Time Point; date
-<code>7E</code>,          VIFE, ??
-<code>BF 1C</code>,       Value,
-
-<code>35</code>,          Checksum,
-<code>16</code>,          Stopbyte,
-[/table]
-
-Decoding of the time&amp;date type is done like this:
-<pre>
-    if (t_data)
-    {
-        if (t_data_size == 4) // Type F = Compound CP32: Date and Time
-        {
-            if ((t_data[0] &amp; 0x80) == 0) // Time valid ?
-            {
-                t-&gt;tm_min = t_data[0] &amp; 0x3F;
-                t-&gt;tm_hour = t_data[1] &amp; 0x1F;
-                t-&gt;tm_mday = t_data[2] &amp; 0x1F;
-                t-&gt;tm_mon = (t_data[3] &amp; 0x0F) - 1;
-                t-&gt;tm_year = ((t_data[2] &amp; 0xE0) &gt;&gt; 5) |
-                              ((t_data[3] &amp; 0xF0) &gt;&gt; 1);
-                t-&gt;tm_isdst = (t_data[1] &amp; 0x80) ? 1 : 0; // day saving time
-            }
-        }
-        else if (t_data_size == 2) // Type G: Compound CP16: Date
-        {
-            t-&gt;tm_mday = t_data[0] &amp; 0x1F;
-            t-&gt;tm_mon = (t_data[1] &amp; 0x0F) - 1;
-            t-&gt;tm_year = ((t_data[0] &amp; 0xE0) &gt;&gt; 5) |
-                         ((t_data[1] &amp; 0xF0) &gt;&gt; 1);
-        }
-    }
-</pre>
-(Found on github in the libmbus repo.)
-
-')
\ No newline at end of file
diff --git a/posts/2013-09-11.01/article.html b/posts/2013-09-11.01/article.html
index 414e3a2..1d492a6 100644
--- a/posts/2013-09-11.01/article.html
+++ b/posts/2013-09-11.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `M-Bus Master, Part 4 (Gas)')
+define(`DATE', `2013-09-11')
+define(`CONTENT', `
 And finally, the gas meter talks:
 
 <a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-e1378843697609.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-e1378843697609-300x225.jpg" alt="Foto" width="300" height="225" class="alignnone size-medium wp-image-197" /></a>
@@ -80,8 +71,4 @@ SO RESP: 68 56 56 68 08 40 72 43 60 52 00 77 04 14 03 CA 10 00 00 0C 78 76 03 01
 <code>DE</code> , Checksum,
 <code>16</code>, Stopbyte
 [/table]
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-09-11.01/article.m4 b/posts/2013-09-11.01/article.m4
deleted file mode 100644
index 1d492a6..0000000
--- a/posts/2013-09-11.01/article.m4
+++ /dev/null
@@ -1,74 +0,0 @@
-define(`TITLE', `M-Bus Master, Part 4 (Gas)')
-define(`DATE', `2013-09-11')
-define(`CONTENT', `
-And finally, the gas meter talks:
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-e1378843697609.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-e1378843697609-300x225.jpg" alt="Foto" width="300" height="225" class="alignnone size-medium wp-image-197" /></a>
-
-First, assign address 0x40:
-<code>
-so 68 06 06 68 53 fe 51 01 7a 40 5d 16
-success
-SO RESP: E5
-</code>
-
-And it works:
-<code>
-so 10 40 40 80 16
-success
-SO RESP: E5 
-</code>
-
-And here is the measurement:
-<code>
-so 10 5b 40 9b 16
-success
-SO RESP: 68 56 56 68 08 40 72 43 60 52 00 77 04 14 03 CA 10 00 00 0C 78 76 03 01 10 0D 7C 08 44 49 20 2E 74 73 75 63 0A 30 30 30 30 30 30 30 30 30 30 04 6D 38 15 AA 19 02 7C 09 65 6D 69 74 20 2E 74 61 62 22 0C 04 13 C1 0E 00 00 04 93 7F 4E 01 00 00 44 13 5D 08 00 00 0F 01 00 1F DE 16 
-</code>
-
-
-[table]Octet(s), Field, Meaning
-<code>68 56 56 68</code>, preamble and length,
-<code>08</code>, C Field,  
-<code>40</code>, A Field, 
-<code>72</code>, CI Field, variable data response
-<code>43 60 52 00</code>, Ident. No.,
-<code>77 04</code>, Manufacturer, ACW; Actaris (Itron)
-<code>14</code>, Version,
-<code>03</code>, Medium, Gas,
-<code>CA</code>, Access No,
-<code>10</code>, Status,
-<code>00 00</code>, Signature,
-<code>0C</code>, DIF, 8 digit BCD
-<code>78</code>, VIF, Fabrication No
-<code>76 03 01 10</code>, Value,
-<code>0D</code>, DIF, variable length
-<code>7C</code>, VIF, true in following string; length in first byte
-<code>08</code>, VIF, first byte; length = 8
-<code>44 49 20 2E 74 73 75 63</code>, VIF, Value (LSB first) = "cust. ID"; 
-<code>0A</code>, Value, length = 10
-<code>30 30 30 30 30 30 30 30 30 30</code>, Value, data
-<code>04</code>, DIF, 32bit integer
-<code>6D</code>, VIF, Time Point; time&amp;date
-<code>38 15 AA 19</code>, Value,
-<code>02</code>, DIF, 16bit integer
-<code>7C</code>, VIF, true in following string; length in first byte
-<code>09</code>, VIF, first byte; length = 9
-<code>65 6D 69 74 20 2E 74 61 62</code>, VIF, Value (LSB first) = "bat. time"
-<code>22 0C</code>, Value;
-<code>04</code>, DIF, 32bit integer
-<code>13</code>, VIF, Volume; 10^(3-6)m^3
-<code>C1 0E 00 00</code>, Value,
-<code>04</code>, DIF, 32bit integer
-<code>93</code>, VIF, ext; Volume; 10^(3-6)m^3
-<code>7F</code>, VIFE,
-<code>4E 01 00 00</code>, Value,  
-<code>44</code>, DIF, 32bit integer
-<code>13</code>, VIF, Volume; 10^(3-6)m^3
-<code>5D 08 00 00</code>, Value,
-<code>0F</code>, DIF, Special Functions; Start of manufacturer specific data structures to end of user data
-<code>01 00 1F</code>, ,
-<code>DE</code> , Checksum,
-<code>16</code>, Stopbyte
-[/table]
-')
\ No newline at end of file
diff --git a/posts/2013-09-21.01/article.html b/posts/2013-09-21.01/article.html
index 30a4906..14e40fc 100644
--- a/posts/2013-09-21.01/article.html
+++ b/posts/2013-09-21.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `M-Bus Master, Part 5')
+define(`DATE', `2013-09-21')
+define(`CONTENT', `
 Final (hopefully) part of hardware work
 
 Besides putting everything into a nice aluminum enclosure, replacing the linear voltage regulator - which burns three times as much power as the whole circuits consumes - by an SMPS (based on the old L4962) an over-current-protection and two status LEDs have been added.
@@ -18,13 +9,9 @@ Besides putting everything into a nice aluminum enclosure, replacing the linear
 
 <a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-11.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-11-300x225.jpg" alt="Foto 1" width="300" height="225" class="alignnone size-medium wp-image-217" /></a>
 
-(Milling aluminum is something else than milling wood. One cutter and nearly the front panel have been ruined. Dont know how to do it right, but very slow revolution and feed helped at least a bit. Maybe the cutter should have been cooled.)
+(Milling aluminum is something else than milling wood. One cutter and nearly the front panel have been ruined. Don'`t know how to do it right, but very slow revolution and feed helped at least a bit. Maybe the cutter should have been cooled.)
 
 <a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-4-Kopie-e1379788252466.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-4-Kopie-e1379788252466-300x225.jpg" alt="Foto 4 Kopie" width="300" height="225" class="alignnone size-medium wp-image-222" /></a>
 
 <a href="http://files.a385e-5.de/files/NetMeterBusMaster-0.9.tar.gz" target="_blank">Here</a> is the firmware for the Arduino.
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-09-21.01/article.m4 b/posts/2013-09-21.01/article.m4
deleted file mode 100644
index 14e40fc..0000000
--- a/posts/2013-09-21.01/article.m4
+++ /dev/null
@@ -1,17 +0,0 @@
-define(`TITLE', `M-Bus Master, Part 5')
-define(`DATE', `2013-09-21')
-define(`CONTENT', `
-Final (hopefully) part of hardware work
-
-Besides putting everything into a nice aluminum enclosure, replacing the linear voltage regulator - which burns three times as much power as the whole circuits consumes - by an SMPS (based on the old L4962) an over-current-protection and two status LEDs have been added.
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_0051221.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_0051221-278x300.jpg" alt="laser-drucker_005122" width="278" height="300" class="alignnone size-medium wp-image-231" /></a>
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-11.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-11-300x225.jpg" alt="Foto 1" width="300" height="225" class="alignnone size-medium wp-image-217" /></a>
-
-(Milling aluminum is something else than milling wood. One cutter and nearly the front panel have been ruined. Don'`t know how to do it right, but very slow revolution and feed helped at least a bit. Maybe the cutter should have been cooled.)
-
-<a href="http://a385e-5.de/wp-content/uploads/2013/09/Foto-4-Kopie-e1379788252466.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Foto-4-Kopie-e1379788252466-300x225.jpg" alt="Foto 4 Kopie" width="300" height="225" class="alignnone size-medium wp-image-222" /></a>
-
-<a href="http://files.a385e-5.de/files/NetMeterBusMaster-0.9.tar.gz" target="_blank">Here</a> is the firmware for the Arduino.
-')
\ No newline at end of file
diff --git a/posts/2013-11-07.01/article.html b/posts/2013-11-07.01/article.html
index a2303e6..286e446 100644
--- a/posts/2013-11-07.01/article.html
+++ b/posts/2013-11-07.01/article.html
@@ -1,20 +1,11 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
-When working with the Arduino I almost have the Ethernet Shield attached or directly make use of the Arduino Ethernet board. Nearly everything Im playing around with is network-attached.
+define(`TITLE', `DHCP server on a MacBook')
+define(`DATE', `2013-11-07')
+define(`CONTENT', `
+When working with the Arduino I almost have the Ethernet Shield attached or directly make use of the Arduino Ethernet board. Nearly everything I'`m playing around with is network-attached.
 
 Once it is done, I connect it to my home network, where a DHCP server provides network configuration. But while developing software for the beast, it is on the table in front of me with no network cables around, my laptop is connected via WLAN. A while a was using a small Mikrotik 750 with only the DHCP server enabled to connect my MacBook Air via the USB adapter and the Arduino. The problem: so much stuff and more over, the DHCP server of the Mikrotik overwrites the default gateway of my home network. So the MacBook has access to the home network, but when accessing the Internet it tries to route via the Mikrotik, which has no Internet connection. Bad!
 
-To solve this issue I considered to start a DHCP server on the MacBook, attaching it only to the USB network adapter. Since the related interface has no other connection, particularly hasnt received a network configuration from another DHCP server (the one in the home network has configured the WLAN interface), first an IP address has to be assigned to the interface.
+To solve this issue I considered to start a DHCP server on the MacBook, attaching it only to the USB network adapter. Since the related interface has no other connection, particularly hasn'`t received a network configuration from another DHCP server (the one in the home network has configured the WLAN interface), first an IP address has to be assigned to the interface.
 
 Actually, Mac OS X comes with a DHCP server, which just needs some configuration:
 
@@ -73,8 +64,4 @@ Done.
 Once the script is started, it assigns the IP address and starts the booted (the DHCP server). The server will not detach from the terminal and does not fork into background. So, it can simply be stopped using Ctrl-C. However, Ctrl-C also interrupts the script and the unassigning of the address is not executed. This unfortunately needs to be done manually.
 
 Now I can connect the Adruino Ethernet directly to my MacBook and it will receive the network configuration from it.
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-11-07.01/article.m4 b/posts/2013-11-07.01/article.m4
deleted file mode 100644
index 286e446..0000000
--- a/posts/2013-11-07.01/article.m4
+++ /dev/null
@@ -1,67 +0,0 @@
-define(`TITLE', `DHCP server on a MacBook')
-define(`DATE', `2013-11-07')
-define(`CONTENT', `
-When working with the Arduino I almost have the Ethernet Shield attached or directly make use of the Arduino Ethernet board. Nearly everything I'`m playing around with is network-attached.
-
-Once it is done, I connect it to my home network, where a DHCP server provides network configuration. But while developing software for the beast, it is on the table in front of me with no network cables around, my laptop is connected via WLAN. A while a was using a small Mikrotik 750 with only the DHCP server enabled to connect my MacBook Air via the USB adapter and the Arduino. The problem: so much stuff and more over, the DHCP server of the Mikrotik overwrites the default gateway of my home network. So the MacBook has access to the home network, but when accessing the Internet it tries to route via the Mikrotik, which has no Internet connection. Bad!
-
-To solve this issue I considered to start a DHCP server on the MacBook, attaching it only to the USB network adapter. Since the related interface has no other connection, particularly hasn'`t received a network configuration from another DHCP server (the one in the home network has configured the WLAN interface), first an IP address has to be assigned to the interface.
-
-Actually, Mac OS X comes with a DHCP server, which just needs some configuration:
-
-/etc/bootptab (this is the MAC-address of the Arduino, just to know which IP address is assigned to it):
-<pre>
-%%
-due     1       DE:AD:BE:EF:FE:ED   192.168.75.20
-</pre>
-
-/etc/bootpd.plist:
-<pre>
-&lt;!DOCTYPE plist PUBLIC &quot;-//Apple Computer//DTD PLIST 1.0//EN&quot; &quot;http://www.apple.com/DTDs/PropertyList-1.0.dtd&quot;&gt;
-&lt;plist version=&quot;1.0&quot;&gt;
-  &lt;dict&gt;
-    &lt;key&gt;bootp_enabled&lt;/key&gt;
-    &lt;false/&gt;
-    &lt;key&gt;dhcp_enabled&lt;/key&gt;
-    &lt;array&gt;
-       &lt;string&gt;en2&lt;/string&gt;
-    &lt;/array&gt;
-    &lt;key&gt;Subnets&lt;/key&gt;
-    &lt;array&gt;
-      &lt;dict&gt;
-        &lt;key&gt;name&lt;/key&gt;
-        &lt;string&gt;internal&lt;/string&gt;
-        &lt;key&gt;net_mask&lt;/key&gt;
-        &lt;string&gt;255.255.255.0&lt;/string&gt;
-        &lt;key&gt;net_address&lt;/key&gt;
-        &lt;string&gt;192.168.75.0&lt;/string&gt;
-        &lt;key&gt;net_range&lt;/key&gt;
-        &lt;array&gt;
-          &lt;string&gt;192.168.75.20&lt;/string&gt;
-          &lt;string&gt;192.168.75.29&lt;/string&gt;
-        &lt;/array&gt;
-        &lt;key&gt;allocate&lt;/key&gt;
-        &lt;true/&gt;
-      &lt;/dict&gt;
-    &lt;/array&gt;
-  &lt;/dict&gt;z
-&lt;/plist&gt;
-</pre>
-
-And finally a small script to assign the address and start the server:
-<pre>
-#!/bin/sh
-
-INTF=en2
-
-ifconfig $INTF alias 192.168.75.1
-/usr/libexec/bootpd -D -d -i $INTF
-ifconfig $INTF -alias 192.168.75.1
-</pre>
-
-Done. 
-
-Once the script is started, it assigns the IP address and starts the booted (the DHCP server). The server will not detach from the terminal and does not fork into background. So, it can simply be stopped using Ctrl-C. However, Ctrl-C also interrupts the script and the unassigning of the address is not executed. This unfortunately needs to be done manually.
-
-Now I can connect the Adruino Ethernet directly to my MacBook and it will receive the network configuration from it.
-')
\ No newline at end of file
diff --git a/posts/2013-11-08.01/article.html b/posts/2013-11-08.01/article.html
index 68f5291..9b9cc8d 100644
--- a/posts/2013-11-08.01/article.html
+++ b/posts/2013-11-08.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Has this large file something else than zeros?')
+define(`DATE', `2013-11-08')
+define(`CONTENT', `
 This small piece of code was used during the analysis of an 800GB VMWare image after a server crash.
 
 notnull.c:
@@ -53,8 +44,4 @@ Compile it using:
 <pre>
 gcc -std=c99 -o notnull notnull.c
 </pre>
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2013-11-08.01/article.m4 b/posts/2013-11-08.01/article.m4
deleted file mode 100644
index 9b9cc8d..0000000
--- a/posts/2013-11-08.01/article.m4
+++ /dev/null
@@ -1,47 +0,0 @@
-define(`TITLE', `Has this large file something else than zeros?')
-define(`DATE', `2013-11-08')
-define(`CONTENT', `
-This small piece of code was used during the analysis of an 800GB VMWare image after a server crash.
-
-notnull.c:
-<pre>
-#include &lt;stdio.h&gt;
-#include &lt;stdlib.h&gt;
-
-int main(int argc, const char* argv[]) {
-  if (argc != 2) {
-    printf(&quot;give filenamen&quot;);
-    exit(1);
-  }
-
-
-  FILE *f = fopen(argv[1], &quot;r&quot;);
-
-  const unsigned int BUFSIZE = 4096;
-  unsigned char buffer[BUFSIZE];
-
-  unsigned long cnt = 0;
-  unsigned long found = 0;
-  size_t r;
-
-  while (0 != (r = fread(&amp;buffer, 1, BUFSIZE, f))) {
-    cnt += r;
-    for (int i = 0; i &lt; r; i++) {
-      if (0 != *(buffer + i)) {
-        found++;
-      }
-    }
-    if (0 == (cnt % 1000000)) {
-      printf(&quot;cnt: %ld, found: %ldn&quot;, cnt, found);
-    }
-  }
-
-  printf(&quot;finally: cnt: %ld, found: %ldn&quot;, cnt, found);
-}
-</pre>
-
-Compile it using:
-<pre>
-gcc -std=c99 -o notnull notnull.c
-</pre>
-')
\ No newline at end of file
diff --git a/posts/2014-01-08.01/article.html b/posts/2014-01-08.01/article.html
index e4cbbb5..f753cad 100644
--- a/posts/2014-01-08.01/article.html
+++ b/posts/2014-01-08.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Arduino operated Current Sink')
+define(`DATE', `2014-01-08')
+define(`CONTENT', `
 This Arduino operated current sink sinks up to 3A and burns it in a good old 2N3055. It became required to test a circuit in an upcoming project.
 
 (Actually, first the upper current limit was 5A. After killing one power transistor in a test by overheating it, the upper limit was decreased to 3A.)
@@ -36,8 +27,4 @@ Here are the schematics:
 
 
 And finally, here is the source code: <a href="http://a385e-5.de/wp-content/uploads/2014/01/CurrentSink-0.9.tar.gz">CurrentSink-0.9.tar.gz</a>
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-01-08.01/article.m4 b/posts/2014-01-08.01/article.m4
deleted file mode 100644
index f753cad..0000000
--- a/posts/2014-01-08.01/article.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-define(`TITLE', `Arduino operated Current Sink')
-define(`DATE', `2014-01-08')
-define(`CONTENT', `
-This Arduino operated current sink sinks up to 3A and burns it in a good old 2N3055. It became required to test a circuit in an upcoming project.
-
-(Actually, first the upper current limit was 5A. After killing one power transistor in a test by overheating it, the upper limit was decreased to 3A.)
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140108-131111.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140108-131111-225x300.jpg" alt="20140108-131111.jpg" width="225" height="300" class="alignnone size-medium wp-image-261" /></a>
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140108-131229.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140108-131229-225x300.jpg" alt="20140108-131229.jpg" width="225" height="300" class="alignnone size-medium wp-image-263" /></a>
-
-The current through the sink is controlled using an op amp (TS912), current is measured with one of three shunt resistors (0.1R, 1R, 10R), reference voltage for the op is provided by a DAC (LTC1257), which in turn is operated by the Arduino. The 2N3055 power transistor is driven through a BD135 connected in a Darlington circuit.
-
-Additionally to providing a given value through the DAC, the actual current value is measured of the same shunt resistor using an ADC (MAX187). As an auxilliary value, the voltage at the terminals of the sink is measured, also using an ADC (again MAX187) through a voltage divider.
-
-The user interface is setup with a 16*2 LCD display and a rotary encoder with push button.
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140108-131150.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140108-131150-225x300.jpg" alt="20140108-131150.jpg" width="225" height="300" class="alignnone size-medium wp-image-262" /></a>
-
-Besides this "hardware user interface" it is also possible the control the device with commands send over the USB port.
-
-Here are the schematics:
-
-
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/laser-drucker_005479_2.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/laser-drucker_005479_2-209x300.jpg" alt="laser-drucker_005479_2" width="209" height="300" class="alignnone size-medium wp-image-275" /></a>
-
-
-And finally, here is the source code: <a href="http://a385e-5.de/wp-content/uploads/2014/01/CurrentSink-0.9.tar.gz">CurrentSink-0.9.tar.gz</a>
-')
\ No newline at end of file
diff --git a/posts/2014-01-08.02/article.html b/posts/2014-01-08.02/article.html
index fb7bef9..286aa98 100644
--- a/posts/2014-01-08.02/article.html
+++ b/posts/2014-01-08.02/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Debouncing a rotary encoder is really hard')
+define(`DATE', `2014-01-08')
+define(`CONTENT', `
 ... but finally it worked:
 
 <pre>
@@ -100,8 +91,4 @@ void hardwareInit() {
 The primary problem was not to get any rotary event of the wrong direction, the secondary problem was not to miss too much events, best of course none.
 
 Only the combination of a dead time after one interrupt and validating a read pin state by rereading it MANY times solved the primary problem. To solve the secondary problem too, the validation has be softened by not requiring all reread states to have the same value but accepting a limited number of wrong values.
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-01-08.02/article.m4 b/posts/2014-01-08.02/article.m4
deleted file mode 100644
index 286aa98..0000000
--- a/posts/2014-01-08.02/article.m4
+++ /dev/null
@@ -1,94 +0,0 @@
-define(`TITLE', `Debouncing a rotary encoder is really hard')
-define(`DATE', `2014-01-08')
-define(`CONTENT', `
-... but finally it worked:
-
-<pre>
-const unsigned long DEBOUNCING_DEAD_TIME = 100;
-const int DEBOUNCING_REPEAT = 1000;
-
-
-volatile int rotaryCount = 0;
-volatile bool switchState = false;
-volatile unsigned long lastEvent = 0;
-
-int myDigitalRead(int a) {
-  int r = 0;
-  for (int i = 0; i &lt; DEBOUNCING_REPEAT; i++) {
-    if (digitalRead(a) == HIGH) {
-      r++;
-    } else {
-      r--;
-    }
-  }
-  int res = -1;
-  if (r &gt;= (DEBOUNCING_REPEAT / 2)) {
-    res = 1;
-  } else if (r &lt;= -1 * (DEBOUNCING_REPEAT / 2)) {
-    res = 0;
-  }
-  return res;
-}
-
-void rotary_a_interrupt() {
-  unsigned long currentEvent = millis();
-
-  if ((lastEvent == 0) || (lastEvent + DEBOUNCING_DEAD_TIME &lt; currentEvent)) {
-    lastEvent = currentEvent;
-
-    int a = myDigitalRead(ROTARY_A);
-    int b = myDigitalRead(ROTARY_B);
-
-    if (((a != -1) &amp;&amp; (b != -1))) {
-      if (a == b) {
-        rotaryCount++;
-      } else {
-        rotaryCount--;
-      }
-    }
-  }
-}
-
-void rotary_b_interrupt() {
-  unsigned long currentEvent = millis();
-
-  if ((lastEvent == 0) || (lastEvent + DEBOUNCING_DEAD_TIME &lt; currentEvent)) {
-    lastEvent = currentEvent;
-
-    int a = myDigitalRead(ROTARY_A);
-    int b = myDigitalRead(ROTARY_B);
-
-    if (((a != -1) &amp;&amp; (b != -1))) {
-      if (a == b) {
-        rotaryCount--;
-      } else {
-        rotaryCount++;
-      }
-    }
-  }
-}
-
-void switch_interrupt() {
-  unsigned long currentEvent = millis();
-
-  if ((lastEvent == 0) || (lastEvent + DEBOUNCING_DEAD_TIME &lt; currentEvent)) {
-    lastEvent = currentEvent;
-
-    switchState = true;
-  }
-}
-
-void hardwareInit() {
-  pinMode(SWITCH, INPUT_PULLUP);
-  pinMode(ROTARY_A, INPUT_PULLUP);
-  pinMode(ROTARY_B, INPUT_PULLUP);
-  attachInterrupt(SWITCH_IRQ, switch_interrupt, FALLING);
-  attachInterrupt(ROTARY_A_IRQ, rotary_a_interrupt, CHANGE);
-  attachInterrupt(ROTARY_B_IRQ, rotary_b_interrupt, CHANGE);
-}
-</pre>
-
-The primary problem was not to get any rotary event of the wrong direction, the secondary problem was not to miss too much events, best of course none.
-
-Only the combination of a dead time after one interrupt and validating a read pin state by rereading it MANY times solved the primary problem. To solve the secondary problem too, the validation has be softened by not requiring all reread states to have the same value but accepting a limited number of wrong values.
-')
\ No newline at end of file
diff --git a/posts/2014-01-14.01/article.html b/posts/2014-01-14.01/article.html
index 2730bfb..c682139 100644
--- a/posts/2014-01-14.01/article.html
+++ b/posts/2014-01-14.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Another (better) MBus-Master, Part 1')
+define(`DATE', `2014-01-14')
+define(`CONTENT', `
 This upcoming MBus-master should be able to handle the maximum number of client, actually 250 devices.
 
 This is the analog part of the very first prototype:
@@ -17,8 +8,4 @@ This is the analog part of the very first prototype:
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/20140115-171708-e1389802907973.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140115-171708-e1389802907973-300x183.jpg" alt="20140115-171708.jpg" width="300" height="183" class="alignnone size-medium wp-image-323" /></a>
 
 More follows soon ...
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-01-14.01/article.m4 b/posts/2014-01-14.01/article.m4
deleted file mode 100644
index c682139..0000000
--- a/posts/2014-01-14.01/article.m4
+++ /dev/null
@@ -1,11 +0,0 @@
-define(`TITLE', `Another (better) MBus-Master, Part 1')
-define(`DATE', `2014-01-14')
-define(`CONTENT', `
-This upcoming MBus-master should be able to handle the maximum number of client, actually 250 devices.
-
-This is the analog part of the very first prototype:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140115-171708-e1389802907973.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140115-171708-e1389802907973-300x183.jpg" alt="20140115-171708.jpg" width="300" height="183" class="alignnone size-medium wp-image-323" /></a>
-
-More follows soon ...
-')
\ No newline at end of file
diff --git a/posts/2014-01-15.01/article.html b/posts/2014-01-15.01/article.html
index cfe3f73..8dda18d 100644
--- a/posts/2014-01-15.01/article.html
+++ b/posts/2014-01-15.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Another (better) MBus-Master, Part 2')
+define(`DATE', `2014-01-15')
+define(`CONTENT', `
 The new MBus-Master can now handle 250mA (supplying clients and TX path) and it is reliably possible to identify a 10mA swing on top of it (RX path) and convert it into a logic signal.
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-2-e1389822292462.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-2-e1389822292462-300x225.jpg" alt="Foto 2" width="300" height="225" class="alignnone size-medium wp-image-336" /></a>
@@ -28,8 +19,4 @@ Finally, here are the most recent schematics of this new MBus-Master:
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/MBusMaster2.pdf"><img src="http://a385e-5.de/wp-content/uploads/2014/01/MBusMaster2-300x170.png" alt="MBusMaster2" width="300" height="170" class="alignnone size-medium wp-image-343" /></a>
 
 (The TX-test and the test for recognition of the 10mA swing have been done without the MCU at the moment.)
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-01-15.01/article.m4 b/posts/2014-01-15.01/article.m4
deleted file mode 100644
index 8dda18d..0000000
--- a/posts/2014-01-15.01/article.m4
+++ /dev/null
@@ -1,22 +0,0 @@
-define(`TITLE', `Another (better) MBus-Master, Part 2')
-define(`DATE', `2014-01-15')
-define(`CONTENT', `
-The new MBus-Master can now handle 250mA (supplying clients and TX path) and it is reliably possible to identify a 10mA swing on top of it (RX path) and convert it into a logic signal.
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-2-e1389822292462.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-2-e1389822292462-300x225.jpg" alt="Foto 2" width="300" height="225" class="alignnone size-medium wp-image-336" /></a>
-
-Switching the TX-path with 1kHz, 80% duty cycle:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-1-e1389822333254.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-1-e1389822333254-300x225.jpg" alt="Foto 1" width="300" height="225" class="alignnone size-medium wp-image-335" /></a>
-
-Loading the TX-path with about 250mA (the current sink specifically built - see <a href="http://a385e-5.de/?p=264" title="Arduino operated Current Sink" target="_blank">here</a> - for this project is here in operation):
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-3-e1389822313359.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-3-e1389822313359-300x225.jpg" alt="Foto 3" width="300" height="225" class="alignnone size-medium wp-image-334" /></a>
-
-
-Finally, here are the most recent schematics of this new MBus-Master:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/MBusMaster2.pdf"><img src="http://a385e-5.de/wp-content/uploads/2014/01/MBusMaster2-300x170.png" alt="MBusMaster2" width="300" height="170" class="alignnone size-medium wp-image-343" /></a>
-
-(The TX-test and the test for recognition of the 10mA swing have been done without the MCU at the moment.)
-')
\ No newline at end of file
diff --git a/posts/2014-01-18.01/article.html b/posts/2014-01-18.01/article.html
index 445eeb8..9727bd5 100644
--- a/posts/2014-01-18.01/article.html
+++ b/posts/2014-01-18.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Another (better) MBus-Master, Part 3')
+define(`DATE', `2014-01-18')
+define(`CONTENT', `
 Hardware has been extended by means to measure the current on the MBus and by a over current sensing, which will be extended to over current protection soon.
 
 
@@ -50,8 +41,4 @@ The test client:
 And finally, some communication with the master:
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/Bildschirmfoto-2014-01-18-um-22.13.50.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Bildschirmfoto-2014-01-18-um-22.13.50-300x241.png" alt="Bildschirmfoto 2014-01-18 um 22.13.50" width="300" height="241" class="alignnone size-medium wp-image-364" /></a>
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-01-18.01/article.m4 b/posts/2014-01-18.01/article.m4
deleted file mode 100644
index 9727bd5..0000000
--- a/posts/2014-01-18.01/article.m4
+++ /dev/null
@@ -1,44 +0,0 @@
-define(`TITLE', `Another (better) MBus-Master, Part 3')
-define(`DATE', `2014-01-18')
-define(`CONTENT', `
-Hardware has been extended by means to measure the current on the MBus and by a over current sensing, which will be extended to over current protection soon.
-
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-e1390078985461.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-e1390078985461-300x225.jpg" alt="Foto" width="300" height="225" class="alignnone size-medium wp-image-356" /></a>
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/MBusMaster2-1.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/MBusMaster2-1-300x220.png" alt="MBusMaster2-1" width="300" height="220" class="alignnone size-medium wp-image-355" /></a>
-
-
-
-<blockquote><strong>Well, it seems, that this way of over current signaling to the MCU does not work properly. In the first design, the input of the comparator was directly the lower end of the shunt resistor, which worked. So, the differentiator is required of current measurement, but is not usable for over current signaling. Needs some more work.</strong></blockquote>
-
-
-
-The both blue LEDs show activity on RX and TX, the red LED signals over current.
-
-The whole development setup:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200610.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200610-300x225.jpg" alt="20140118-200610.jpg" width="300" height="225" class="alignnone size-medium wp-image-351" /></a>
-
-Power supply:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200600.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200600-300x225.jpg" alt="20140118-200600.jpg" width="300" height="225" class="alignnone size-medium wp-image-350" /></a>
-
-Load simulation:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200526.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200526-300x225.jpg" alt="20140118-200526.jpg" width="300" height="225" class="alignnone size-medium wp-image-348" /></a>
-
-Wave form of a simple communication:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200623.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200623-300x225.jpg" alt="20140118-200623.jpg" width="300" height="225" class="alignnone size-medium wp-image-352" /></a>
-
-(Yellow is the voltage on the bus, blue is the control signal of the sample-hold-device.)
-
-The test client:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200540.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/20140118-200540-300x225.jpg" alt="20140118-200540.jpg" width="300" height="225" class="alignnone size-medium wp-image-349" /></a>
-
-And finally, some communication with the master:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/Bildschirmfoto-2014-01-18-um-22.13.50.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Bildschirmfoto-2014-01-18-um-22.13.50-300x241.png" alt="Bildschirmfoto 2014-01-18 um 22.13.50" width="300" height="241" class="alignnone size-medium wp-image-364" /></a>
-')
\ No newline at end of file
diff --git a/posts/2014-01-22.01/article.html b/posts/2014-01-22.01/article.html
index 3cccd58..475a504 100644
--- a/posts/2014-01-22.01/article.html
+++ b/posts/2014-01-22.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Another (better) MBus-Master, Part 4')
+define(`DATE', `2014-01-22')
+define(`CONTENT', `
 Now everything is on one board. A step-up power supply, based on the LM2577, has been added to provide the unusual voltage of 35V required for the bus. Thus, a simple 12V-DC-walk-plug could be used to power the system. However, this introduced some difficulties - hold on.
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-31-e1390381553417.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-31-e1390381553417-300x225.jpg" alt="Foto 3" width="300" height="225" class="alignnone size-medium wp-image-377" /></a>
@@ -32,15 +23,11 @@ This is with the SMPS, with an additional load of 200mA:
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_2.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_2-300x219.png" alt="with_smps_2" width="300" height="219" class="alignnone size-medium wp-image-375" /></a>
 
-The receive signal can still be recognized and the comparator does its job, but the difference is impressive - although not really unexpected.
+The receive signal can still be recognized and the comparator does it'`s job, but the difference is impressive - although not really unexpected.
 
 Here is it with the SMPS again, now without additional load:
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_noload.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_noload-300x219.png" alt="with_smps_noload" width="300" height="219" class="alignnone size-medium wp-image-374" /></a>
 
 So, the SMPS must either be strictly separated from the remaining circuit on one board or even better be placed on a separate board - however, putting the SMPS and the receive recognition so close to each other was - rethinking it now - asking for trouble.
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-01-22.01/article.m4 b/posts/2014-01-22.01/article.m4
deleted file mode 100644
index 475a504..0000000
--- a/posts/2014-01-22.01/article.m4
+++ /dev/null
@@ -1,33 +0,0 @@
-define(`TITLE', `Another (better) MBus-Master, Part 4')
-define(`DATE', `2014-01-22')
-define(`CONTENT', `
-Now everything is on one board. A step-up power supply, based on the LM2577, has been added to provide the unusual voltage of 35V required for the bus. Thus, a simple 12V-DC-walk-plug could be used to power the system. However, this introduced some difficulties - hold on.
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/Foto-31-e1390381553417.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/01/Foto-31-e1390381553417-300x225.jpg" alt="Foto 3" width="300" height="225" class="alignnone size-medium wp-image-377" /></a>
-
-The beast works as it should, with no additional load, only one slave connected or with different additional load (50mA, 150mA, 250mA), simulating the related number of slaves (1mA per slave).
-
-
-However, receive the signal has gone really bad.
-
-First, here are the signal without onboard SMPS, for comparison:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/without_smps.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/without_smps-300x219.png" alt="without_smps" width="300" height="219" class="alignnone size-medium wp-image-372" /></a>
-
-(blue is trigger of S/H device, yellow is output of difference amplifier)
-
-
-This is with the SMPS, with an additional load of 200mA:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/with_smps.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/with_smps-300x219.png" alt="with_smps" width="300" height="219" class="alignnone size-medium wp-image-386" /></a>
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_2.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_2-300x219.png" alt="with_smps_2" width="300" height="219" class="alignnone size-medium wp-image-375" /></a>
-
-The receive signal can still be recognized and the comparator does it'`s job, but the difference is impressive - although not really unexpected.
-
-Here is it with the SMPS again, now without additional load:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_noload.png"><img src="http://a385e-5.de/wp-content/uploads/2014/01/with_smps_noload-300x219.png" alt="with_smps_noload" width="300" height="219" class="alignnone size-medium wp-image-374" /></a>
-
-So, the SMPS must either be strictly separated from the remaining circuit on one board or even better be placed on a separate board - however, putting the SMPS and the receive recognition so close to each other was - rethinking it now - asking for trouble.
-')
\ No newline at end of file
diff --git a/posts/2014-02-08.01/article.html b/posts/2014-02-08.01/article.html
index 8e9f472..7b0b3c1 100644
--- a/posts/2014-02-08.01/article.html
+++ b/posts/2014-02-08.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Another (better) MBus-Master, Part 5')
+define(`DATE', `2014-02-08')
+define(`CONTENT', `
 As mentioned before, the setup introduced in part 4 suffered from interferences of the SMPS into the receive path.
 
 Here, the SMPS has been separated onto its own board:
@@ -31,8 +22,4 @@ Blue is the receive signal measured at the output of the comparator, yellow is t
 Here, for comparison to the screenshots in the last post, the trigger of the S/H device in blue and the output of the difference amplifier in yellow:
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/02/20140209-162211.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/02/20140209-162211-300x225.jpg" alt="20140209-162211.jpg" width="300" height="225" class="alignnone size-medium wp-image-396" /></a>
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-02-08.01/article.m4 b/posts/2014-02-08.01/article.m4
deleted file mode 100644
index 7b0b3c1..0000000
--- a/posts/2014-02-08.01/article.m4
+++ /dev/null
@@ -1,25 +0,0 @@
-define(`TITLE', `Another (better) MBus-Master, Part 5')
-define(`DATE', `2014-02-08')
-define(`CONTENT', `
-As mentioned before, the setup introduced in part 4 suffered from interferences of the SMPS into the receive path.
-
-Here, the SMPS has been separated onto its own board:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/02/20140208-213036-e1391950621439.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/02/20140208-213036-e1391950621439-300x165.jpg" alt="20140208-213036.jpg" width="300" height="165" class="alignnone size-medium wp-image-388" /></a>
-
-The SMPS is implemented using an LM2577 module, although first a XL6009 was planned, but this is a different story.
-
-With the rest of the circuit, which has already been introduced before it looks this way:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/02/20140208-213315.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/02/20140208-213315-225x300.jpg" alt="20140208-213315.jpg" width="225" height="300" class="alignnone size-medium wp-image-389" /></a>
-
-And now the receive signals are very clear again:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/02/20140208-213433.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/02/20140208-213433-300x225.jpg" alt="20140208-213433.jpg" width="300" height="225" class="alignnone size-medium wp-image-390" /></a>
-
-Blue is the receive signal measured at the output of the comparator, yellow is the transmit signal measured as the bus voltage.
-
-Here, for comparison to the screenshots in the last post, the trigger of the S/H device in blue and the output of the difference amplifier in yellow:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/02/20140209-162211.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/02/20140209-162211-300x225.jpg" alt="20140209-162211.jpg" width="300" height="225" class="alignnone size-medium wp-image-396" /></a>
-')
\ No newline at end of file
diff --git a/posts/2014-02-13.01/article.html b/posts/2014-02-13.01/article.html
index cdd98df..41ed4b5 100644
--- a/posts/2014-02-13.01/article.html
+++ b/posts/2014-02-13.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Another (better) MBus-Master, Part 6')
+define(`DATE', `2014-02-13')
+define(`CONTENT', `
 Here is a slightly fixed schematics, the sources of the firmware and the Eagle .sch-File ...
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/02/main.pdf"><img src="http://a385e-5.de/wp-content/uploads/2014/02/main-300x216.png" alt="main" width="300" height="216" class="alignnone size-medium wp-image-401" /></a>
@@ -20,9 +11,5 @@ The circuit requires two supply voltages: +5V (named so in the schematics) and +
 
 Note, please: there is still no over current protection in the design.
 
-If you like to use this design for your own purposes, feel free (and maybe, you want to let me know, especially if you enhance the design somehow). But dont blame me if something goes wrong. This design is working successfully in my basement, but, as mentioned before, it has still no over current protection (so, avoid short cuts on the bus wires). Furthermore, I cant state whether it is fully complaint to EN 13757 standard or not.
-
-
-  </body>
-</html>
-
+If you like to use this design for your own purposes, feel free (and maybe, you want to let me know, especially if you enhance the design somehow). But don'`t blame me if something goes wrong. This design is working successfully in my basement, but, as mentioned before, it has still no over current protection (so, avoid short cuts on the bus wires). Furthermore, I can'`t state whether it is fully complaint to EN 13757 standard or not.
+')
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diff --git a/posts/2014-02-13.01/article.m4 b/posts/2014-02-13.01/article.m4
deleted file mode 100644
index 41ed4b5..0000000
--- a/posts/2014-02-13.01/article.m4
+++ /dev/null
@@ -1,15 +0,0 @@
-define(`TITLE', `Another (better) MBus-Master, Part 6')
-define(`DATE', `2014-02-13')
-define(`CONTENT', `
-Here is a slightly fixed schematics, the sources of the firmware and the Eagle .sch-File ...
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/02/main.pdf"><img src="http://a385e-5.de/wp-content/uploads/2014/02/main-300x216.png" alt="main" width="300" height="216" class="alignnone size-medium wp-image-401" /></a>
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/02/MeterBusPowerMaster-2014-02-13.zip">MeterBusPowerMaster-2014-02-13</a>
-
-The circuit requires two supply voltages: +5V (named so in the schematics) and +35V (named <tt>vcc</tt> in the schematics).
-
-Note, please: there is still no over current protection in the design.
-
-If you like to use this design for your own purposes, feel free (and maybe, you want to let me know, especially if you enhance the design somehow). But don'`t blame me if something goes wrong. This design is working successfully in my basement, but, as mentioned before, it has still no over current protection (so, avoid short cuts on the bus wires). Furthermore, I can'`t state whether it is fully complaint to EN 13757 standard or not.
-')
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diff --git a/posts/2014-02-21.01/article.html b/posts/2014-02-21.01/article.html
index d3f7295..7bfd786 100644
--- a/posts/2014-02-21.01/article.html
+++ b/posts/2014-02-21.01/article.html
@@ -1,22 +1,9 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `4 Channel MBus-connected Thermometer, Part 1')
+define(`DATE', `2014-02-21')
+define(`CONTENT', `
 This is going to be a 4 channel MBus-connected thermometer:
 
 <img src="http://a385e-5.de/wp-content/uploads/2014/02/ThermometerPro-e1392964492924-300x225.jpg" alt="ThermometerPro" width="300" height="225" class="alignnone size-medium wp-image-410" />
 
 Measurement side of thing is working already. An Analog Devices AD7190 is used as ADC, an Arduino-compatible Micro Pro serves as MCU. For the communication side a TSS721A is awaited.
-
-
-  </body>
-</html>
-
+')
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diff --git a/posts/2014-02-21.01/article.m4 b/posts/2014-02-21.01/article.m4
deleted file mode 100644
index 7bfd786..0000000
--- a/posts/2014-02-21.01/article.m4
+++ /dev/null
@@ -1,9 +0,0 @@
-define(`TITLE', `4 Channel MBus-connected Thermometer, Part 1')
-define(`DATE', `2014-02-21')
-define(`CONTENT', `
-This is going to be a 4 channel MBus-connected thermometer:
-
-<img src="http://a385e-5.de/wp-content/uploads/2014/02/ThermometerPro-e1392964492924-300x225.jpg" alt="ThermometerPro" width="300" height="225" class="alignnone size-medium wp-image-410" />
-
-Measurement side of thing is working already. An Analog Devices AD7190 is used as ADC, an Arduino-compatible Micro Pro serves as MCU. For the communication side a TSS721A is awaited.
-')
\ No newline at end of file
diff --git a/posts/2014-03-09.01/article.html b/posts/2014-03-09.01/article.html
index cfb7948..b79e70b 100644
--- a/posts/2014-03-09.01/article.html
+++ b/posts/2014-03-09.01/article.html
@@ -1,15 +1,6 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `4 Channel MBus-connected Thermometer, Part 2')
+define(`DATE', `2014-03-09')
+define(`CONTENT', `
 AVR-Arduino replaced by ARM-based Teensy, due to memory shortness:
 
 <a href="http://a385e-5.de/wp-content/uploads/2014/03/Foto-2.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/03/Foto-2-300x225.jpg" alt="Foto 2" width="300" height="225" class="alignnone size-medium wp-image-416" /></a>
@@ -23,8 +14,4 @@ Test setup with thermometer, MBus-transceiver and lab MBus-master (still open en
 <a href="http://a385e-5.de/wp-content/uploads/2014/03/Foto-4.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/03/Foto-4-300x225.jpg" alt="Foto 4" width="300" height="225" class="alignnone size-medium wp-image-414" /></a>
 And, yes, it works so far. Although it was a bit of a surprise to see the echo of any sent frame, however, the documentation revealed that this is actually a collision detection feature.
 
-
-
-  </body>
-</html>
-
+')
\ No newline at end of file
diff --git a/posts/2014-03-09.01/article.m4 b/posts/2014-03-09.01/article.m4
deleted file mode 100644
index b79e70b..0000000
--- a/posts/2014-03-09.01/article.m4
+++ /dev/null
@@ -1,17 +0,0 @@
-define(`TITLE', `4 Channel MBus-connected Thermometer, Part 2')
-define(`DATE', `2014-03-09')
-define(`CONTENT', `
-AVR-Arduino replaced by ARM-based Teensy, due to memory shortness:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/03/Foto-2.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/03/Foto-2-300x225.jpg" alt="Foto 2" width="300" height="225" class="alignnone size-medium wp-image-416" /></a>
-
-MBus-transceiver TSS721A in breadbroad setup with two opto-coupler, connected to the thermometer and to the lab MBus-master:
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/03/Foto-1.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/03/Foto-1-300x225.jpg" alt="Foto 1" width="300" height="225" class="alignnone size-medium wp-image-415" /></a>
-
-Test setup with thermometer, MBus-transceiver and lab MBus-master (still open enclosure since over current protection is not yet available, just to not forget it ...):
-
-<a href="http://a385e-5.de/wp-content/uploads/2014/03/Foto-4.jpg"><img src="http://a385e-5.de/wp-content/uploads/2014/03/Foto-4-300x225.jpg" alt="Foto 4" width="300" height="225" class="alignnone size-medium wp-image-414" /></a>
-And, yes, it works so far. Although it was a bit of a surprise to see the echo of any sent frame, however, the documentation revealed that this is actually a collision detection feature.
-
-')
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diff --git a/posts/2014-03-11.01/article.html b/posts/2014-03-11.01/article.html
index 249fb7e..f3f497e 100644
--- a/posts/2014-03-11.01/article.html
+++ b/posts/2014-03-11.01/article.html
@@ -1,18 +1,9 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Teensy meets "not so standard" UART configuration')
+define(`DATE', `2014-03-11')
+define(`CONTENT', `
 The people at <a href="https://www.pjrc.com/teensy/index.html" title="https://www.pjrc.com/teensy/index.html" target="_blank">https://www.pjrc.com/teensy/index.html</a> did a really good job with the Arduino integration <a href="https://www.pjrc.com/teensy/teensyduino.html" title="https://www.pjrc.com/teensy/teensyduino.html" target="_blank">Teensyduino</a>. Thank you very much indeed.
 
-Unfortunately they missed a feature which has been integrated in the Arduino library sometimes between version 1.0.5 and 1.5.2, dont know when exactly: advanced UART configuration.
+Unfortunately they missed a feature which has been integrated in the Arduino library sometimes between version 1.0.5 and 1.5.2, don'`t know when exactly: advanced UART configuration.
 
 In the documentation of <a href="http://arduino.cc/en/Serial/Begin" target="_blank"><code>Serial.begin(...)</code></a> you see the option to give a <code>config</code> argument, where in particular you can configure the frame length, the parity and the number of stop bits.
 
@@ -38,8 +29,4 @@ Find the documentation for the <code>UARTx_C1</code> register on page pp. 1055-1
 Note: it is not enough to enable parity (setting the bit <code>UART_C1_PE</code>, you also need to increase the frame length to 9 bit by setting bit <code>UART_C1_M</code>, since the frame length seems to include the parity bit.
 
 Right, this is a hack, and maybe the Teensy people will integrate it into the library the other day, but at least for the moment it works for me.
-
-
-  </body>
-</html>
-
+')
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diff --git a/posts/2014-03-11.01/article.m4 b/posts/2014-03-11.01/article.m4
deleted file mode 100644
index f3f497e..0000000
--- a/posts/2014-03-11.01/article.m4
+++ /dev/null
@@ -1,32 +0,0 @@
-define(`TITLE', `Teensy meets "not so standard" UART configuration')
-define(`DATE', `2014-03-11')
-define(`CONTENT', `
-The people at <a href="https://www.pjrc.com/teensy/index.html" title="https://www.pjrc.com/teensy/index.html" target="_blank">https://www.pjrc.com/teensy/index.html</a> did a really good job with the Arduino integration <a href="https://www.pjrc.com/teensy/teensyduino.html" title="https://www.pjrc.com/teensy/teensyduino.html" target="_blank">Teensyduino</a>. Thank you very much indeed.
-
-Unfortunately they missed a feature which has been integrated in the Arduino library sometimes between version 1.0.5 and 1.5.2, don'`t know when exactly: advanced UART configuration.
-
-In the documentation of <a href="http://arduino.cc/en/Serial/Begin" target="_blank"><code>Serial.begin(...)</code></a> you see the option to give a <code>config</code> argument, where in particular you can configure the frame length, the parity and the number of stop bits.
-
-While this is certainly not a very common feature, I need it in my MeterBus projects, since communication on the MeterBus is serial communication with an even parity enabled.
-
-So far I was too lazy to put the stuff into a library, but this is required to enable even parity:
-
-<pre>
-  #include &lt;mk20dx128.h&gt;
-
-  // [...]
-
-  // this is the new Arduino way of setting parity
-  //Serial3.begin(2400, SERIAL_8E1);
-
-  // this is the Teensy (Freescale K20) way:
-  Serial3.begin(2400);
-  UART2_C1 |= UART_C1_PE | UART_C1_M;
-</pre>
-
-Find the documentation for the <code>UARTx_C1</code> register on page pp. 1055-1056, cp. 45.3.3 of the Freescale K20 manual (find that one on the Teensy homepage at <a href="https://www.pjrc.com/teensy/datasheets.html" target="_blank">https://www.pjrc.com/teensy/datasheets.html</a>).
-
-Note: it is not enough to enable parity (setting the bit <code>UART_C1_PE</code>, you also need to increase the frame length to 9 bit by setting bit <code>UART_C1_M</code>, since the frame length seems to include the parity bit.
-
-Right, this is a hack, and maybe the Teensy people will integrate it into the library the other day, but at least for the moment it works for me.
-')
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diff --git a/posts/2014-08-04.01/article.m4 b/posts/2014-08-04.01/article.html
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diff --git a/posts/2014-10-04.01/article.m4 b/posts/2014-10-04.01/article.html
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diff --git a/posts/2014-10-27.01/article.m4 b/posts/2014-10-27.01/article.html
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diff --git a/posts/2014-12-11.01/article.m4 b/posts/2014-12-11.01/article.html
similarity index 96%
rename from posts/2014-12-11.01/article.m4
rename to posts/2014-12-11.01/article.html
index 0920dab..2cf677c 100644
--- a/posts/2014-12-11.01/article.m4
+++ b/posts/2014-12-11.01/article.html
@@ -23,5 +23,5 @@ And then: turn the spinner:
 
 Here, in this clip, we measured about 43Hz. In another test it was even 52Hz.
 
-Since we have two magnets, we had 21.5 rps and in the other test 26 rps. These are 1290 rpm and 1560 rpm. That's fast.
+Since we have two magnets, we had 21.5 rps and in the other test 26 rps. These are 1290 rpm and 1560 rpm. That'`s fast.
 ')
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diff --git a/posts/2015-06-05.01/article.html b/posts/2015-06-05.01/article.html
index f2dfbe2..96191be 100644
--- a/posts/2015-06-05.01/article.html
+++ b/posts/2015-06-05.01/article.html
@@ -1,20 +1,7 @@
-
-
-
-
-
-<html>
-  <head>
-    <title>Projects - just for fun</title>
-  </head>
-  <body>
-
-
+define(`TITLE', `Tools for the Arduino Development')
+define(`DATE', `2015-06-05')
+define(`CONTENT', `
 Arduino Eclipse Plugin: <a href="arduino.cc/en/Main/Software" title="arduino.cc/en/Main/Software" target="_blank">http://www.baeyens.it/eclipse/</a>
 Arduino Teensy Integration: <a href="http://www.pjrc.com/teensy/teensyduino.html" title="http://www.pjrc.com/teensy/teensyduino.html" target="_blank">http://www.pjrc.com/teensy/teensyduino.html</a>
 Arduino IDE: <a href="http://arduino.cc/en/Main/Software" title="http://arduino.cc/en/Main/Software" target="_blank">http://arduino.cc/en/Main/Software</a>
-
-
-  </body>
-</html>
-
+')
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diff --git a/posts/2015-06-05.01/article.m4 b/posts/2015-06-05.01/article.m4
deleted file mode 100644
index 96191be..0000000
--- a/posts/2015-06-05.01/article.m4
+++ /dev/null
@@ -1,7 +0,0 @@
-define(`TITLE', `Tools for the Arduino Development')
-define(`DATE', `2015-06-05')
-define(`CONTENT', `
-Arduino Eclipse Plugin: <a href="arduino.cc/en/Main/Software" title="arduino.cc/en/Main/Software" target="_blank">http://www.baeyens.it/eclipse/</a>
-Arduino Teensy Integration: <a href="http://www.pjrc.com/teensy/teensyduino.html" title="http://www.pjrc.com/teensy/teensyduino.html" target="_blank">http://www.pjrc.com/teensy/teensyduino.html</a>
-Arduino IDE: <a href="http://arduino.cc/en/Main/Software" title="http://arduino.cc/en/Main/Software" target="_blank">http://arduino.cc/en/Main/Software</a>
-')
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diff --git a/posts/2015-06-05.02/article.m4 b/posts/2015-06-05.02/article.html
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+++ b/posts/2015-06-05.02/article.html
@@ -21,11 +21,11 @@ On the MQTT broker there is one subscriber who transfers all the measurements in
 
 The hardware is rather simple: an Arduino Mega (since it has more than one serial interface), an Arduino WiFi shield and on top a RS485 adaptor for the Modbus communication.
 
-For the software I'm using the Modbus library from <a href="https://code.google.com/p/simple-modbus/">https://code.google.com/p/simple-modbus/</a>. Unfortunately, it disappeared right there, don't know why. Seems, that I have to be really careful with the files. The MQTT library I'm using is from <a href="http://knolleary.net/arduino-client-for-mqtt/">http://knolleary.net/arduino-client-for-mqtt/</a>.
+For the software I'`m using the Modbus library from <a href="https://code.google.com/p/simple-modbus/">https://code.google.com/p/simple-modbus/</a>. Unfortunately, it disappeared right there, don'`t know why. Seems, that I have to be really careful with the files. The MQTT library I'`m using is from <a href="http://knolleary.net/arduino-client-for-mqtt/">http://knolleary.net/arduino-client-for-mqtt/</a>.
 
 With the couple of the WiFi library and the MQTT library I ran into two problems.
 
-First, it was not possible to establish an MQTT connection at all. Strange, since via Ethernet it wasn't a problem at all. I found, supported by Google that that the WiFi library and the shield handles a <tt>stop()</tt> on a fresh client socket somewhat strange: The socket can not be open or will be closed immediately after opening. Since at least in my case I always give a fresh <tt>WiFiClient</tt> into the <tt>PubSubClient</tt> I removed the <tt>connected()</tt> call from the top of the <tt>connect</tt> method in <tt>PubSubClient.cpp</tt>.
+First, it was not possible to establish an MQTT connection at all. Strange, since via Ethernet it wasn'`t a problem at all. I found, supported by Google that that the WiFi library and the shield handles a <tt>stop()</tt> on a fresh client socket somewhat strange: The socket can not be open or will be closed immediately after opening. Since at least in my case I always give a fresh <tt>WiFiClient</tt> into the <tt>PubSubClient</tt> I removed the <tt>connected()</tt> call from the top of the <tt>connect</tt> method in <tt>PubSubClient.cpp</tt>.
 
 Second, I ran into the problem that messages I published via PubSubClient using an Arduino Mega and an Arduino Wifi Shield which are large than about 80 octets did not appear at the broker. I found by googling that it is not possible to send more than 90 octets using the Wifi Shield and the related library at once: http://mssystems.emscom.net/helpdesk/knowledgebase.php?article=51
 And that exactly what I experienced too: I increased the buffer size one by one and at 90 octets it stopped and the WiFi library lost the connection.
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-<a href="./pages/impressum/article.html">Impressum</a><br/>
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-<a href="./pages/keys/article.html">Keys</a><br/>
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-2015-06-05 -<a href="./posts/2015-06-05.01/article.html">Tools for the Arduino Development</a><br/>
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-2014-03-11 -<a href="./posts/2014-03-11.01/article.html">Teensy meets "not so standard" UART configuration</a><br/>
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-2014-03-09 -<a href="./posts/2014-03-09.01/article.html">4 Channel MBus-connected Thermometer, Part 2</a><br/>
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