[bootlin/training-materials updates] master: Embedded Linux: misc updates and improvements (ab1341d7)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/ab1341d792f4f27b56e5509316f4ce668e41271a

>---------------------------------------------------------------

commit ab1341d792f4f27b56e5509316f4ce668e41271a
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Mon Sep 28 09:44:33 2020 +0200

    Embedded Linux: misc updates and improvements
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

ab1341d792f4f27b56e5509316f4ce668e41271a
 .../sysdev-application-development.tex               | 20 ++++++++++++++++----
 .../sysdev-embedded-linux/sysdev-embedded-linux.tex  | 16 +++++++++-------
 .../sysdev-flash-filesystems.tex                     |  4 ++--
 3 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/slides/sysdev-application-development/sysdev-application-development.tex b/slides/sysdev-application-development/sysdev-application-development.tex
index e2d7b35a..6f5e697f 100644
--- a/slides/sysdev-application-development/sysdev-application-development.tex
+++ b/slides/sysdev-application-development/sysdev-application-development.tex
@@ -45,9 +45,9 @@
 \end{frame}
 
 \begin{frame}
-  \frametitle{Programming language}
+  \frametitle{Programming language (1)}
   \begin{itemize}
-  \item The default programming language for system-level applications
+  \item The programming language for system-level applications
     in Linux is usually C
     \begin{itemize}
     \item The C library is already present on your system, nothing to
@@ -59,6 +59,18 @@
     \item Some libraries, including Qt, are developed in C++ so they
       need the C++ library on the system anyway
     \end{itemize}
+  \item The Rust language is increasingly popular in embedded
+      and system applications, as an alternative to C and C++.\\
+      See \url{https://www.rust-lang.org/what/embedded}
+      for attractive features.
+  \item Suggestion to start with this Rust if you neither know
+      C and C++.
+  \end{itemize}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Programming language (2)}
+  \begin{itemize}
   \item Scripting languages can also be useful for quick application
     development, web applications or scripts
     \begin{itemize}
@@ -67,7 +79,7 @@
       performance
     \item Most popular: Python, shell
     \end{itemize}
-  \item All programming languages can be used: Lua, Ada, Java, Rust...
+  \item All programming languages can be used: Lua, Ada, Java, Go...
   \end{itemize}
 \end{frame}
 
@@ -277,7 +289,7 @@
     \item Initially designed and developed by Linus Torvalds for Linux
       kernel development
     \item Extremely popular in the community, and used by more and
-      more projects (kernel, U-Boot, Barebox, uClibc, GNOME, X.org,
+      more projects (Linux, U-Boot, Barebox, uClibc, GNOME, X.org,
       etc.)
     \item Outstanding performance, in particular in big projects
     \item \url{https://en.wikipedia.org/wiki/Git_(software)}
diff --git a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
index 178eb849..c19a62c4 100644
--- a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
+++ b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
@@ -47,17 +47,16 @@
 \begin{frame}
   \frametitle{Find existing components}
   \begin{itemize}
-  \item Free Software Directory\\
-    \url{https://directory.fsf.org}
-  \item Look at other embedded Linux products, and see what their
-    components are
   \item Look at the list of software packaged by embedded Linux build
     systems
     \begin{itemize}
     \item These are typically chosen for their suitability to embedded
       systems
     \end{itemize}
-  \item Ask the community or Google
+  \item Look at other embedded Linux products, and see what their
+    components are - \url{https://linuxgizmos.com/} is a good source
+    of information.
+  \item Ask the community or your favorite search engine
   \item This presentation will also feature a list of components for
     common needs
   \end{itemize}
@@ -449,7 +448,7 @@ met:
   \item {\bf iptables}, the user space tools associated to the Linux firewall, Netfilter
   \item {\bf iw and wireless tools}, the user space tools associated to Wireless devices
   \item {\bf netsnmp}, implementation of the SNMP protocol (device monitoring)
-  \item {\bf openntpd}, implementation of the Network Time Protocol,
+  \item {\bf chrony}, implementation of the Network Time Protocol,
     for clock synchronization
   \item {\bf openssl}, a toolkit for SSL and TLS connections
   \end{itemize}
@@ -528,7 +527,7 @@ met:
     \item {\bf libavcodec}: from the {\em ffmpeg} project, used in players
           such \code{vlc} and \code{mplayer}, and supporting most audio and
           video codecs (mpeg4, h264, vp8, vp9...)
-    \item {\bf libvpx}: vp8 and vp8 video encoding
+    \item {\bf libvpx}: vp8 and vp9 video encoding
     \item {\bf libflac}: {\em FLAC: Free Lossless Audio Codec}
     \item {\bf libvorbis}: lossy audio codec
     \item {\bf libopus}: lossy audio codec (replacement for Vorbis)
@@ -1422,6 +1421,9 @@ $(eval $(autotools-package))
     \item Use the \code{debootstrap} command to build a root
           filesystem for your architecture, with a custom selection
 	  of packages.
+    \item ELBE (\code{https://elbe-rfs.org}) is a more advanced
+          environment for generating custom root filesystems
+	  based on Debian.
     \end{itemize}
     \column{0.2\textwidth}
     %% Debian logo found on
diff --git a/slides/sysdev-flash-filesystems/sysdev-flash-filesystems.tex b/slides/sysdev-flash-filesystems/sysdev-flash-filesystems.tex
index 5e81cd6d..c256b5fd 100644
--- a/slides/sysdev-flash-filesystems/sysdev-flash-filesystems.tex
+++ b/slides/sysdev-flash-filesystems/sysdev-flash-filesystems.tex
@@ -846,8 +846,8 @@ Device 0 bad blocks:
       \end{itemize}
     \item Once created
       \begin{itemize}
-      \item Can be written to a UBI volume from the target using
-        \code{ubiupdatevol} from Linux on the target
+      \item Can be written to a UBI volume from the target either using
+        \code{ubiupdatevol} in Linux, or \code{ubi writevol} in U-Boot.
       \item Or, can be included in a UBI image (using \code{ubinize}
         on the host)
       \end{itemize}