#!/bin/sh
### BEGIN INIT INFO
# Provides:          raspi-rtc-power
# Required-Start:    kmod
# Required-Stop:     halt
# X-Stop-After:      networking
# Default-Start:     S
# Default-Stop:      0
# Short-Description: on/off Raspi-RTC-Power
# Description:       switching on/off power via RTC chip on Rasp Pi extension board
### END INIT INFO

set -e
. /lib/lsb/init-functions

ALARM=0;
I2CBUS=0;

if [ -r /etc/default/rtc ]; then
  . /etc/default/rtc
fi

if [ -r /etc/wakealarm ]; then
  ALARM=$(cat /etc/wakealarm)
fi

case "${1:-}" in
  start)
    log_action_begin_msg "Switching on RasPi-RTC-Power "
    modprobe i2c-dev
    i2cset -f -y $I2CBUS 0x6f 0x07 0x00
    ES=$?
    log_action_end_msg $ES
    ;;
  stop)
    log_action_begin_msg "Switching off RasPi-RTC-Power "
    /sbin/rtc-power $I2CBUS $ALARM
    ES=$?
    log_action_end_msg $ES
    ;;
  *)
    echo "Usage: ${0:-} {start|stop}" >&2
    exit 1
    ;;
esac