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+# Exosense Device - Jaguar Land Rover Tizen IVI HVAC control demo
+
+# Building the Exosense JLR demo.
+
+Follow the instructions under:
+
+    `https://github.com/Feuerlabs/exosense_specs/blob/master/doc/exosense_demo_tutorial.pdf`
+
+Replace meta-exodemo with meta-jlrdemo (the Yocto build layerfor this
+demo). The meta-sbc6845 layer, mentioned in the tutorial, will not be
+needed.
+
+## Setting up configuration files
+After setting up the basic environment, as described in the tutorial,
+init the build environment with this command:
+
+    `. oe-init-build-env ../build`
+
+Copy `meta-jlrdemo/build_conf/*.conf` into the `conf` subdirectory of
+the build directory you are currently in.
+
+	cp ../meta-jlrdemo/build_conf/*.conf conf
+
+## Build the RPM 
+Since the demo is installed on Tizen, we will not create a complete
+image, but rather a set of RPMs that can be installed on the standard
+demo.
+
+Build the RPMs with:
+
+	
+    bitbake erlang-jlrdemo
+
+The rpms will be deposited in 
+
+    build/tmp/deploy/rpm/i586
+
+# Installing the Exosense JLR demo RPMs on the target system
+
+All rpms to be copied over from the directory above to the target system are listed in
+
+    https://github.com/Feuerlabs/jlrdemo/blob/master/tizen_rpm_list.txt
+
+Once copied, install them all using a single `rpm -i` command
+
+
+# Setting up automatic launch during boot
+
+There is a start script for the Exosense JLR demo installed on the target under:
+
+    /usr/lib/erlang/jlrdemo-???/priv/jlrdemo_ctl.sh
+
+This script also installs the pcan driver kernel module (unless already loaded).
+
+Copy this script to /usr/sbin
+
+    /usr/lib/erlang/jlrdemo-*/priv/jlrdemo_ctl.sh /usr/sbin
+	
+Edit the uxlaunch systemd service in file:
+
+     /etc/systemd/system/display-manager.service
+	 
+Edit the ExecStart= line so that it looks like this:
+
+    ExecStart=/bin/sh /usr/sbin/tizenctl.sh start
+
+**Note** The /usr/sbin/tizenctl.sh, which will start the dashboard UI,
+  and the `/usr/sbin/jlrdemo.sh` script is not provided by the
+  Exosense RPMs. Please see the Tizen documentation for details on
+  where to source this.
+
+# Upgrading the Exosense JLR demo
+
+Be sure to remove the old package using `rpm -e` before installing the new version.
+Also be sure to execute the following command to wipe any old setup data.
+
+    rm -rf /root/setup
+
+
+