Modify configuration files, add install script and rename daemon file

Added install script for the project and modified the unit file and the
config files accordingly. Running the script loads the daemon and also
compiles the examples with the bindings

install.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Install script for prussd daemon service
+# To be run on the BeagleBone, from the cloned PRUSS-Bindings
+# git repository
+
+DIR=$(cd `dirname $BASH_SOURCE[0]` && pwd -P)
+
+pru_examples() {
+
+	#paths needed to compile PRU firmware examples
+	if [ ! -d /usr/share/ti/cgt-pru/bin ] ; 
+	then
+		ln -s /usr/bin/ /usr/share/ti/cgt-pru/bin
+	fi
+	export PRU_CGT=/usr/share/ti/cgt-pru
+
+	#run compilation scripts
+	bash "${DIR}/examples/run.sh" blinky
+	bash "${DIR}/examples/run.sh" rpmsg_echo
+	bash "${DIR}/examples/run.sh" pru_pin_state_reader
+	bash "${DIR}/examples/run.sh" pru1_to_pru0_to_arm
+	bash "${DIR}/examples/run.sh" multi_threaded
+
+}
+
+systemd_service() {
+
+	#copy the systemd unit configuration file
+	cp -v "${DIR}/prussd/prussd.service" "/lib/systemd/system/prussd.service"
+
+	#copy the config file
+	cp -v "${DIR}/prussd/prussd.conf" "/etc/default/prussd.conf"
+
+	#edit the unit file to replace DIR by the actual path
+	sed -i -e "s:DIR:${DIR}:" "/lib/systemd/system/prussd.service"
+
+	#edit the config file to include paths to firmware_examples
+	sed -i -e "s:DIR:${DIR}:" "/etc/default/prussd.conf"
+
+	#mark the daemon script as executable
+	chmod a+x "${DIR}/prussd/prussd.py"
+
+	#enable the service
+	systemctl enable prussd.service
+
+	#reload the systemctl daemons
+	systemctl daemon-reload
+
+	#start the prussd daemon
+	systemctl start prussd.service 
+
+}
+
+if [ $# -eq 0 ]; then
+	pru_examples
+	systemd_service
+fi
+
+if [ "$1" == "--examples" ] ; then
+	pru_examples
+fi
+
+if [ "$1" == "--service" ] ; then
+	systemd_service
+fi

prussd/prussd.conf

@@ -0,0 +1,2 @@
+FIRMWARE=DIR/examples/firmware_examples
+RPMSG_CHANNELS=

prussd/prussd.service

@@ -1,10 +1,12 @@
 [Unit]
-Description = Service for PRU Access
+Description=Daemon Service to serve PRU access requests for non-root processes
+ConditionPathExists=|DIR
 
 [Service]
-Type=simple
-ExecStart=/usr/bin/python3 /home/debian/PRUSS-Bindings/prussd/prudaemon.py
-ExecStopPost=/bin/sh -c 'rm /tmp/prusocket'
+WorkingDirectory=DIR/prussd
+ExecStart=DIR/prussd/prussd.py
+ExecStopPost=/bin/sh -c 'rm /tmp/prussd.sock'
+Restart=on-failure
 StandardOutput=null
 
 [Install]