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 *.nav
 *.snm
 *.toc
+*.vrb
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--- a/presentation.tex
+++ b/presentation.tex
@@ -1,55 +1,134 @@
 \documentclass[11pt,ngerman]{beamer}
 
-\usetheme{AnnArbor}
+%\usetheme{Antibes}
+\usetheme{Bergen}
 \usecolortheme{seagull}
 
+\usepackage{listings}
+\usepackage{color}
+\lstset{
+	language=c++,
+	columns=flexible,
+	basicstyle={\small\ttfamily},
+	keepspaces=true,
+	breaklines=true,
+	breakatwhitespace=true,
+}
+
 \begin{document}
 	
 \begin{frame}
-	\title{Implement Updates \textit{Over the Air} for ESP8266 microcontrollers}
-	\author{Dustin Frisch\\ C/C++ for Embedded Systems and Physical Computing\\ Angewandte 	Informatik\\ University of Applied Sciences Fulda\\ \texttt{dustin.frisch@informatik.hs-fulda.de}}
-	\date{\today}
-	\titlepage
+\title{Implement Updates \textit{Over the Air} for \textit{ESP8266} microcontrollers}
+\author{Dustin Frisch\\ C/C++ for Embedded Systems and Physical Computing\\ Angewandte 	Informatik\\ University of Applied Sciences Fulda\\ \texttt{dustin.frisch@informatik.hs-fulda.de}}
+\date{\today}
+\titlepage
 \end{frame}
 
 
 \begin{frame}
-	\frametitle{About the Project}
+\frametitle{About the Project}
+\framesubtitle{ESPer}
+\centering{\includegraphics[width=\columnwidth]{esp-01s.jpg}}
 \end{frame}
 
 \begin{frame}
-	\frametitle{Why Updates?}
+\frametitle{About the Project}
+\framesubtitle{Magrathea Laboratories e.V.}
+\centering{\includegraphics[scale=0.04]{maglab.png}}
 \end{frame}
 
 \begin{frame}
-	\frametitle{Why \textit{Over the Air}?}
+\frametitle{Updates}
+\begin{itemize}
+	\item Changed requirement or environment
+	\item Closing security issues
+	\item Fixing bugs
+	\item New Features
+\end{itemize}
+
+\centering{Often possible without hardware changes.}
 \end{frame}
 
 \begin{frame}
-	\frametitle{Implementation - Update mechanism}
+\frametitle{\textit{Over the Air (OTA)}}
+\centering{Reduces maintenance cost.}
 \end{frame}
 
 \begin{frame}
-	\frametitle{Implementation - Supporting multiple devices}
+\frametitle{Requirements}
+\begin{itemize}
+	\item Automatic updates \textit{OTA} without administrative interaction
+	\item Insusceptible to errors of any kind
+	\item Downloading side-by-side with payload traffic
+	\item Maximal uptime and minimal network load
+	\item Maintenance and monitoring
+	\item Categorizing devices by task-specific hardware
+\end{itemize}
 \end{frame}
 
 \begin{frame}
-	\frametitle{Implementation - Automatic deployment and roll-out}
+\frametitle{Implementation}
+\framesubtitle{Update mechanism}
+\begin{columns}
+\begin{column}{0.6\textwidth}
+\begin{enumerate}
+	\item Download \texttt{.version} file and compare
+	\item Download firmware binary for \emph{other} slot
+	\item Reconfigure \textit{rBoot} bootloader
+	\item Restart
+\end{enumerate}
+\end{column}
+\begin{column}{0.4\textwidth}
+	\centering{\includegraphics[height=0.75\textheight]{flash_layout.pdf}}
+\end{column}
+\end{columns}
 \end{frame}
 
-\begin{frame}
+\begin{frame}[fragile]
+\frametitle{Implementation}
+\framesubtitle{Supporting multiple devices}
+\begin{lstlisting}
+#include "Device.h"
+#include "features/Socket.h"
+
+Device device:
+
+constexpr const char SOCKET_NAME[] = "socket";
+constexpr const uint16_t SOCKET_GPIO = 12;
+OnOffFeature<SOCKET_NAME, SOCKET_GPIO, false, 1> socket(&device);
+
+Device* getDevice() { return &device; }
+\end{lstlisting}
 \end{frame}
 
 \begin{frame}
+\frametitle{Implementation}
+\framesubtitle{Supporting multiple devices}
+\centering{\texttt{make socket/flash} \\ to build and flash.}
 \end{frame}
 
 \begin{frame}
+\frametitle{Implementation}
+\framesubtitle{Automatic deployment and roll-out}
+\begin{itemize}
+	\item \texttt{git commit}
+	\item \textit{drone} builds it
+	\item \texttt{scp *.version *.rom\{0,1\}} to deployment server
+	\item Served by \textit{nginx}
+\end{itemize}
 \end{frame}
 
 \begin{frame}
+\frametitle{Conclusion}
+\centering{It works!}
 \end{frame}
 
 \begin{frame}
+\centering{\url{https://git.maglab.space/esper/esper}}
+
+\vspace{20mm}
+
+\centering{\large{Thank you for your attention.}}
 \end{frame}
 
 \end{document}}
\ No newline at end of file