Battery discharge and backlight power logging for zipit z2

24hr.sh

#!/bin/sh

now=$(date +%s)
dayago=$(( $now - 86400 ))

prevstate="banana";

totaldischargetime=0;

while read -r line; do

  state=$(echo $line | cut -d " " -f 1);
  timestamp=$(echo $line | cut -d " " -f 3);

  if [ $prevstate == "Discharging" ]; then
    spenttime=$(( $timestamp - $prevtimestamp ));
    if [ $timestamp -ge $dayago ]; then
      totaldischargetime=$(( $totaldischargetime + $spenttime ));
    fi
  fi

  prevstate=$state;
  prevtimestamp=$timestamp;

done < "/root/scripts/PSU.log";

echo -n "Minutes spent discharging last 24hr : ";
echo $(( $totaldischargetime / 60 ));



totalscreentime=0;

while read -r line; do

  state=$(echo $line | cut -d " " -f 1);
  timestamp=$(echo $line | cut -d " " -f 2);

  if [ $state -eq 1 ]; then
    # screen turned off
    spenttime=$(( $timestamp - $prevtimestamp ));
    if [ $timestamp -ge $dayago ]; then 
      totalscreentime=$(( $totalscreentime + $spenttime ));
    fi
  fi

  prevtimestamp=$timestamp;

done < "/root/scripts/BL.log";


echo -n "Minutes screen was on last 24hr : ";
echo $(( $totalscreentime / 60 ));

onehour.sh

#!/bin/sh

now=$(date +%s)
hourago=$(( $now - 3600 ))

prevstate="banana";

totaldischargetime=0;

while read -r line; do

  state=$(echo $line | cut -d " " -f 1);
  timestamp=$(echo $line | cut -d " " -f 3);

  if [ $prevstate == "Discharging" ]; then
    spenttime=$(( $timestamp - $prevtimestamp ));
    if [ $timestamp -ge $hourago ]; then
      totaldischargetime=$(( $totaldischargetime + $spenttime ));
    fi
  fi

  prevstate=$state;
  prevtimestamp=$timestamp;

done < "/root/scripts/PSU.log";

echo -n "Minutes spent discharging last 1hr : ";
echo $(( $totaldischargetime / 60 ));



totalscreentime=0;

while read -r line; do

  state=$(echo $line | cut -d " " -f 1);
  timestamp=$(echo $line | cut -d " " -f 2);

  if [ $state -eq 1 ]; then
    # screen turned off
    spenttime=$(( $timestamp - $prevtimestamp ));
    if [ $timestamp -ge $hourago ]; then 
      totalscreentime=$(( $totalscreentime + $spenttime ));
    fi
  fi

  prevtimestamp=$timestamp;
  prevstate=$state;

done < "/root/scripts/BL.log";

echo -n "Minutes screen was on last 1hr : ";
echo $(( $totalscreentime / 60 ));

testall.sh

#!/bin/sh

/root/scripts/testPSU.sh >> /root/scripts/PSU.log
/root/scripts/testBL.sh >> /root/scripts/BL.log

# put testall.sh in /root/scripts/ along with all the others,
# then run it fron crontab once a minute

testBL.sh

#!/bin/sh

blstatusfile="/sys/devices/platform/pxabus/pxabus:display-backlight/backlight/pxabus:display-backlight/bl_power"
blstatustemp="/tmp/blstatus"

read -r BLSTATUS < $blstatusfile

OLDBLSTATUS=$BLSTATUS

read -r OLDBLSTATUS < $blstatustemp

if [[ $BLSTATUS -ne $OLDBLSTATUS ]]; then
 echo -n $BLSTATUS 
 echo -n " "
 date +%s
fi

echo $BLSTATUS > $blstatustemp

testPSU.sh

#!/bin/sh

psustatusfile="/sys/devices/platform/pxabus/40301680.i2c/i2c-1/1-0055/power_supply/Z2/status"
psustatustemp="/tmp/psustatus"

voltstatusfile="/sys/devices/platform/pxabus/40301680.i2c/i2c-1/1-0055/power_supply/Z2/voltage_now"

read -r PSUSTATUS < $psustatusfile
read -r VOLTAGE < $voltstatusfile

OLDPSUSTATUS=$PSUSTATUS

read -r OLDPSUSTATUS < $psustatustemp

if [ $PSUSTATUS != $OLDPSUSTATUS ]; then
 echo -n $PSUSTATUS
 echo -n " "
 echo -n $VOLTAGE
 echo -n " "
 date +%s
fi

echo $PSUSTATUS > $psustatustemp