From a053e7752f132db7adb34cc1a98c41d181a8cc77 Mon Sep 17 00:00:00 2001
From: George Yang <g.yang@genexis.eu>
Date: Fri, 23 May 2025 14:54:07 +0200
Subject: [PATCH] dectmngr: Support DCX81 firmware upgrade via init script

---
 dectmngr/files/etc/init.d/dectmngr | 58 +++++++++++++++++++++++++-----
 1 file changed, 49 insertions(+), 9 deletions(-)

diff --git a/dectmngr/files/etc/init.d/dectmngr b/dectmngr/files/etc/init.d/dectmngr
index 577668cd5..9c60ddd6a 100755
--- a/dectmngr/files/etc/init.d/dectmngr
+++ b/dectmngr/files/etc/init.d/dectmngr
@@ -57,13 +57,53 @@ get_dcx81_device() {
 			device_name_line="$(grep '^DEVNAME=' "$uevent_file")" || return 1
 			readonly device="/dev/${device_name_line##DEVNAME=}"
 			[ -c "$device" ] || return 1
-			printf "%s" "$device"
+			printf "%s" "$(basename $device)"
 			return 0
 		fi
 	done
 	return 1
 }
 
+check_dcx81_firmware() {
+	local dcx81_uart=$1
+	local fw_link="/lib/firmware/dcx81_firmware"
+	local fw_file
+
+	[ -L "$fw_link" ] || return
+
+	fw_file=$(readlink -f $fw_link)
+	[ -f "$fw_file" ] || return
+
+	# the symbolic link is not needed
+	rm -f $fw_link
+
+	eval $(/sbin/cmbs_tcx -comname "$dcx81_uart" -fw_version |grep DCX81_FW_Version)
+	[ -n "$DCX81_FW_Version" ] || return
+
+	if echo $(basename $fw_file) | grep -qi "$DCX81_FW_Version" ; then
+		logger -t "$PROG" "DCX81 running expected $DCX81_FW_Version"
+		return;
+	fi
+
+	logger -t "$PROG" "DCX81 firmware upgrading to $fw_file"
+	/sbin/cmbs_tcx -comname "$dcx81_uart" -fwu "$fw_file" 2>&1 >/dev/null &
+
+	echo -n "Updrading DCX81 firmware.." >/dev/console
+	local wait_time=0
+	while pidof cmbs_tcx >/dev/null && [ "$wait_time" -lt "200" ] ; do
+		sleep 5
+		wait_time=$(($wait_time + 5))
+		echo -n "." >/dev/console
+	done
+
+	if pidof cmbs_tcx >/dev/null ; then
+		killall -9 cmbs_tcx
+		logger -t "$PROG" "DCX81 firmware upgrade timeout"
+	else
+		logger -t "$PROG" "DCX81 firmware upgrade done"
+	fi
+}
+
 start_service() {
 	local opt_ext=
 	local rfpi=
@@ -75,14 +115,16 @@ start_service() {
 		return 0
 	fi
 
-	opt_ext="-extensionShift $(get_extension_shift)"
-
 	local dcx81_uart_device
 	if ! dcx81_uart_device="$(get_dcx81_device)"; then
 		logger -t "$PROG" -p daemon.warning "Could not determine DCX81 UART device. Falling back to default ttyH0."
-		dcx81_uart_device=/dev/ttyH0
+		dcx81_uart_device="ttyH0"
 	fi
 
+	check_dcx81_firmware $dcx81_uart_device
+
+	opt_ext="-extensionShift $(get_extension_shift)"
+
 	rfpi=$(db -q get hw.board.dect_rfpi)
 	[ -n "$rfpi" -a ${#rfpi} -eq 14 ] && opt_ext="$opt_ext -rfpi $rfpi"
 
@@ -106,21 +148,19 @@ start_service() {
 
 	procd_open_instance
 
-	# dectmngr takes expects device without /dev
-	readonly dcx81_uart_device_wo_dev="${dcx81_uart_device##/dev/}"
 	case "$log_dect_cmbs" in
 	none)
 		echo "Starting dectmngr with cmbs logging disabled"
-		procd_set_param command "$PROG" -comname "$dcx81_uart_device_wo_dev" $opt_ext
+		procd_set_param command "$PROG" -comname "$dcx81_uart_device" $opt_ext
 		rm -f $LOG_PATH/*
 		;;
 	file)
 		echo "Starting dectmngr with cmbs logging enabled to file"
-		procd_set_param command "$PROG" -comname "$dcx81_uart_device_wo_dev" -log $LOG_PATH/dect-cmbs.log $opt_ext
+		procd_set_param command "$PROG" -comname "$dcx81_uart_device" -log $LOG_PATH/dect-cmbs.log $opt_ext
 		;;
 	*)
 		echo "Starting dectmngr with cmbs logging enabled to syslog"
-		procd_set_param command "$PROG" -comname "$dcx81_uart_device_wo_dev" -syslog $opt_ext
+		procd_set_param command "$PROG" -comname "$dcx81_uart_device" -syslog $opt_ext
 		rm -f $LOG_PATH/*
 		;;
 	esac