init.d: wr_date: readback NTP offset to check if WR time is properly set-

The return offset is only display so that we can check its value if the user send us back the log but it is not used in any other way.

init.d: wr_date: readback NTP offset to check if WR time is properly set-
The return offset is only display so that we can check its value if the user send us back the log but it is not used in any other way.
6244914e · Benoit Rat · 7c0d1f11 · 6244914e
Commit 6244914e authored Apr 05, 2019 by Benoit Rat
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wr_date userspace/rootfs_override/etc/init.d/wr_date +16 -0

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--- a/userspace/rootfs_override/etc/init.d/wr_date
+++ b/userspace/rootfs_override/etc/init.d/wr_date
@@ -25,6 +25,17 @@ ntp_retries()
 	return 1
 }

+ntp_get_offset()
+{
+	S=$1
+	F=/tmp/ntp_offset
+	ntpd -n -w -p ${S} 2> ${F} &
+	sleep 5
+	killall ntpd
+	tail -1 ${F} | sed 's/.*offset:\([^ ]*\).*/\1/'
+	#rm ${F} 2>&1 /dev/null
+}
+
 gm_wait_lock()
 {
 	gm_ntries=${1:-15}
@@ -66,6 +77,11 @@ ntp_to_hwclk()
 		date_set=1
 		#Enable back white rabbit as clock source
 		echo "white-rabbit" > ${CCS}
+
+		#Readback NTP offset
+		sleep 1
+		offset=$(ntp_get_offset $S)
+		echo "NTP offset = ${offset} s"
 	fi
 }