From d9f2029c38b86e957e88183adf857e4e460cdbf1 Mon Sep 17 00:00:00 2001
From: Ramon Moesching <ramon.moesching@netmodule.com>
Date: Tue, 30 Jul 2019 14:26:23 +0200
Subject: [PATCH] jody-w1-bt init service: jody bluetooth patchram and init
 script

initialize jody with patchram file and bring up hci0 interface

use systemd for enabling and disabling:
(requests BT_EN pin)
systemctl start jody-w1-bt-init (default after boot)
systemctl stop jody-w1-bt-init

BugzID: 58086

Signed-off-by: Ramon Moesching <ramon.moesching@netmodule.com>
---
 .../jody-w1-bt-hcd/files/jody-w1-bt           | 88 +++++++++++++++++++
 .../files/jody-w1-bt-init.service             | 17 ++++
 .../jody-w1-bt-hcd/jody-w1-bt-hcd.bbappend    | 28 ++++++
 3 files changed, 133 insertions(+)
 create mode 100755 recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt
 create mode 100644 recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt-init.service
 create mode 100644 recipes-connectivity/jody-w1-bt-hcd/jody-w1-bt-hcd.bbappend

diff --git a/recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt b/recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt
new file mode 100755
index 0000000..20f9e37
--- /dev/null
+++ b/recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt
@@ -0,0 +1,88 @@
+#!/bin/sh
+#
+# JODY-W1 Bluetooth init script
+#
+# Copyright (C) u-blox 
+# u-blox reserves all rights in this deliverable (documentation, software,
+# etc., hereafter “Deliverable”).
+# u-blox grants you the right to use, copy, modify and distribute 
+# the Deliverable provided hereunder for any purpose without fee. provided this
+# entire notice is included in all copies of any software which is or includes
+# a copy or modification of this software and in all copies of the supporting 
+# documentation for such software.
+# THIS DELIVERABLE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+# WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR U-BLOX MAKES ANY 
+# REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
+# DELIVERABLE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+# In case you provide us a feedback or make a contribution in the form of 
+# a further development of the Deliverable (“Contribution”), u-blox will have
+# the same rights as granted to you, namely to use, copy, modify and distribute
+# the Contribution provided to us for any purpose without fee.
+#
+
+PIDFILE=/var/run/hciattach-jody-w1.pid
+DAEMON=/usr/bin/hciattach
+DESC="JODY-W1 Bluetooth"
+
+#needs to be parametrized
+HCIATTACH_ARGS="any 3000000 flow"
+TTY=/dev/ttyLP1
+PATCHRAMFILE=/lib/firmware/brcm/BCM89359_002.002.014.0120.0186.hcd
+
+RET=1
+
+test -x $DAEMON || exit 1
+
+start() {
+	let i=0
+	while [ $i -lt 10 -a ! -c $TTY ]; do
+		sleep 1
+		let i=i+1
+	done
+	brcm_patchram_plus --no2bytes --tosleep 50000 --baudrate 3000000 \
+		--use_baudrate_for_download --patchram "$PATCHRAMFILE" $TTY
+	modprobe -q hci_uart
+	pid=$($DAEMON -p $TTY $HCIATTACH_ARGS | tail -1)
+	if [ -z "$pid" ]; then
+		echo "failed"
+		exit 1
+	fi
+	echo $pid > $PIDFILE
+	hciconfig all up
+}
+
+stop() {
+	hciconfig all down
+	if [ -e $PIDFILE ]; then
+		kill $(cat $PIDFILE)
+		rm -f $PIDFILE
+	fi
+}
+
+case "$1" in
+	start)
+		test -f $PIDFILE && exit 1
+		echo -n "Starting ${DESC}: "
+		start
+		RET=$?
+		echo "$(basename $DAEMON)"
+		;;
+	stop)
+		echo -n "Stopping ${DESC}: "
+		stop
+		RET=$?
+		echo "$(basename $DAEMON)"
+		;;
+	restart)
+		echo -n "Restarting ${DESC}: "
+		stop
+		start
+		RET=$?
+		echo "$(basename $DAEMON)"
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart}"
+		exit 1
+esac
+
+exit $RET
diff --git a/recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt-init.service b/recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt-init.service
new file mode 100644
index 0000000..63f61c8
--- /dev/null
+++ b/recipes-connectivity/jody-w1-bt-hcd/files/jody-w1-bt-init.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=BT Firmware loader
+After=network.target
+
+[Service]
+Type=oneshot
+
+ExecStartPre=/bin/sh -c "gpioset `gpiofind BT_EN`=1"
+ExecStart=/usr/bin/jody-w1-bt start
+ExecStop=/usr/bin/jody-w1-bt stop 
+ExecStopPost=/bin/sh -c "gpioset `gpiofind BT_EN`=0"
+
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
+RequiredBy=multi-user.target
diff --git a/recipes-connectivity/jody-w1-bt-hcd/jody-w1-bt-hcd.bbappend b/recipes-connectivity/jody-w1-bt-hcd/jody-w1-bt-hcd.bbappend
new file mode 100644
index 0000000..2897fd9
--- /dev/null
+++ b/recipes-connectivity/jody-w1-bt-hcd/jody-w1-bt-hcd.bbappend
@@ -0,0 +1,28 @@
+# Copyright (C) 2019 Ramon Moesching <ramon.moesching@netmodule.com>
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+inherit systemd
+
+FILESEXTRAPATHS_append := ":${THISDIR}/files"
+
+SRC_URI_append = " \ 
+           file://jody-w1-bt-init.service \
+           file://jody-w1-bt \
+           "
+
+S = "${WORKDIR}"
+
+SYSTEMD_SERVICE_${PN} = " \
+                          jody-w1-bt-init.service \
+                        "
+
+FILES_${PN}_append = "${systemd_unitdir}/system ${bindir}"
+
+do_install_append() {
+    install -d ${D}${systemd_unitdir}/system
+    install -m 644 ${WORKDIR}/jody-w1-bt-init.service ${D}${systemd_unitdir}/system/
+
+
+    install -d ${D}${bindir}
+    install -m 744 ${WORKDIR}/jody-w1-bt ${D}${bindir}
+}