#! /bin/sh

: <<=cut

=head1 NAME

rpi_temp - monitor the temperature of a Raspberry device


=head1 AUTHORS

Copyright (C) 2013 Steve Schnepp <steve.schnepp@pwkf.org>


=head1 LICENSE

GNU Library General Public License v2 only

SPDX-License-Identifier: LGPL-2.0-only

=cut


if [ ! -r "/sys/class/thermal/thermal_zone0/temp" ]
then
	echo "# Cannot read CPU Temp"
	exit 1
fi


if [ "$1" = "config" ]
then
        cat <<EOF
graph_title CPU Temp
graph_category system
graph_vlabel C
thermal_zone0.label Current CPU Temp
EOF
        exit 0
fi

# values
TEMP_MILLI_C=$(cat /sys/class/thermal/thermal_zone0/temp)

echo "thermal_zone0.value $(echo "$TEMP_MILLI_C" | awk '{printf("%0.3f", $1 / 1000)}')"

exit 0