[bootlin/training-materials updates] master: labs/sysdev-accessing-hardware-*: warn about current od issue (7ec85bc7)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/7ec85bc7ca5aadf02058bc17dce49704eac43fb6

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

commit 7ec85bc7ca5aadf02058bc17dce49704eac43fb6
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Fri Jul 28 11:22:50 2023 +0200

    labs/sysdev-accessing-hardware-*: warn about current od issue
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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

7ec85bc7ca5aadf02058bc17dce49704eac43fb6
 labs/sysdev-accessing-hardware-bbb/sysdev-accessing-hardware-bbb.tex | 5 +++++
 .../sysdev-accessing-hardware-stm32.tex                              | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/labs/sysdev-accessing-hardware-bbb/sysdev-accessing-hardware-bbb.tex b/labs/sysdev-accessing-hardware-bbb/sysdev-accessing-hardware-bbb.tex
index a3522f98..2dab80f1 100644
--- a/labs/sysdev-accessing-hardware-bbb/sysdev-accessing-hardware-bbb.tex
+++ b/labs/sysdev-accessing-hardware-bbb/sysdev-accessing-hardware-bbb.tex
@@ -733,6 +733,11 @@ command, use the same number as in the message you got in the console
 # od -x /dev/input/event0
 \end{bashinput}
 
+{\bf Caution}: using \code{od} on input event files is currently broken
+with the Musl library. We are investigating, but we will be able
+to test the Nunchuk later anyway when we compile the \code{evtest}
+program.
+
 We will use the Nunchuk to control audio playback in an upcoming lab.
 
 \section{Setting the board's model name}
diff --git a/labs/sysdev-accessing-hardware-stm32/sysdev-accessing-hardware-stm32.tex b/labs/sysdev-accessing-hardware-stm32/sysdev-accessing-hardware-stm32.tex
index 8e0c127f..85e03858 100644
--- a/labs/sysdev-accessing-hardware-stm32/sysdev-accessing-hardware-stm32.tex
+++ b/labs/sysdev-accessing-hardware-stm32/sysdev-accessing-hardware-stm32.tex
@@ -687,6 +687,11 @@ command, use the same number as in the message you got in the console
 # od -x /dev/input/event3
 \end{bashinput}
 
+{\bf Caution}: using \code{od} on input event files is currently broken
+with the Musl library. We are investigating, but we will be able
+to test the Nunchuk later anyway when we compile the \code{evtest}
+program.
+
 We will use the Nunchuk to control audio playback in an upcoming lab.
 
 \section{Setting the board's model name}