Code/thinkpad-smapi.sh

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  1. !/bin/bash -c
  2. Copyright (C) 2007 William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>
  3. This file is licensed under the GPL v2. E-mail me if you have any ideas of
  4. other licenses to use (BSD, GPL v3, Public Domain, etc.), I'm open :)
  1. IDEAS
  2. - make an ncurses interface, and also maybe gtk+ and qt
  3. - add option to enable modifying the charge control variables

TP_SMAPI_BASE=/sys/devices/platform/smapi

  1. function to simplify reading from files
  2. syntax: read_file <variable> <filename> <check_return_value 0/1> <translate 0/1> [[value] [translation_string]]

read_file() { 

 local VARIABLE
 local FILENAME
 local CHECK_RETURN
 local TRANSLATE
 local VAL
 local RET

 VARIABLE="$1"; shift
 FILENAME="$1"; shift
 CHECK_RETURN="$1"; shift
 TRANSLATE="$1"; shift

 VAL=`cat "$FILENAME" 2> /dev/null`
 RET=$?

 if "$CHECK_RETURN" == "1"  && $RET -gt 0 
 then
   RESULT="[unavailable]"
 elif [ "$TRANSLATE" == "1" ]
 then
   RESULT="unknown ($RET)"
   while [ -n "$1" ]
   do
     if [ "$VAL" == "$1" ]
     then
       RESULT="$2"
       break
     fi
     shift 2
   done
 else
   RESULT="$VAL"
 fi

 eval "$VARIABLE="'"'"$RESULT"'"'
  1. eval "$VARIABLE=$RESULT"

}

give_units() { 

 local VARIABLE
 local UNIT
 local VALUE
 local RESULT

 VARIABLE="$1"
 UNIT="$2"
 eval "VALUE=\$$VARIABLE"

 if (echo "$VALUE" | grep -qs "^-\?[0-9]")
 then
   RESULT="$VALUE $UNIT"
 else
   RESULT="$VALUE"
 fi

 eval "$VARIABLE="'"'"$RESULT"'"'

}

replace_val() { 

 local VARIABLE
 local OLD_VALUE
 local NEW_VALUE
 local VALUE
 local RESULT

 VARIABLE="$1"
 OLD_VALUE="$2"
 NEW_VALUE="$3"

 eval "VALUE=\$$VARIABLE"

 if [ "$VALUE" == "$OLD_VALUE" ]
 then
   RESULT="$NEW_VALUE"
 else
   RESULT="$VALUE"
 fi

 eval "$VARIABLE="'"'"$RESULT"'"'

}

show_help() { 

 cat << EOF

 thinkpad-smapi.sh - Show SMAPI information on ThinkPad laptops, through
                     the exported SMAPI information by the tp_smapi module.

 -a      Show all available information
 -b [n]  Show all available information for battery [n]
 -h      Show this help text
 -m      Show miscellaneous information

EOF }

show_misc() { 

 cd $TP_SMAPI_BASE

 read_file PCI_POWER_SAVINGS "enable_pci_power_saving_on_boot" 1 1 1 "enabled" 0 "disabled"
 read_file AC_ADAPTER "ac_connected" 1 1 1 "connected" 0 "disconnected"

 cat << EOF

MISCELLANEOUS INFORMATION

=============

PCI power savings on boot: $PCI_POWER_SAVINGS AC adapter status: $AC_ADAPTER

EOF }

show_batt() { 

 SLOT=$1
 cd $TP_SMAPI_BASE/BAT$SLOT

 TMP=`cat installed`
 if [ $TMP -eq 1 ]
 then
   BATT_INSTALLED="yes"
 else
   BATT_INSTALLED="no"
 fi

 BATT_STATE=`cat state`

 if [ $BATT_INSTALLED == "yes" ]
 then

   read_file BARCODING "barcoding" 1 0
   read_file BATT_CHEMISTRY "chemistry" 1 0
   read_file DESIGN_CAPACITY "design_capacity" 1 0
   read_file DESIGN_VOLTAGE "design_voltage" 1 0
   read_file MANUFACTURE_DATE "manufacture_date" 1 0
   read_file BATT_FRU "model" 1 0
   read_file MANUFACTURER "manufacturer" 1 0
   read_file BATT_SERIAL "serial" 1 0

   read_file FIRST_USE_DATE "first_use_date" 1 0
   read_file CYCLE_COUNT "cycle_count" 1 0
   read_file LAST_FULL_CAPACITY "last_full_capacity" 1 0
   read_file CURRENT_1MIN "current_avg" 1 0
   read_file POWER_1MIN "power_avg" 1 0

   read_file CAPACITY_MWH "remaining_capacity" 1 0
   read_file CAPACITY_PERCENT "remaining_percent" 1 0
   read_file REMAINING_RUNNING_TIME "remaining_running_time" 1 0
   read_file CURRENT_NOW "current_now" 1 0
   read_file POWER_NOW "power_now" 1 0
   read_file BATT_TEMPERATURE "temperature" 1 0
   read_file BATT_VOLTAGE "voltage" 1 0
   read_file REMAINING_CHARGING_TIME "remaining_charging_time" 1 0

   # fixups
   give_units DESIGN_CAPACITY "mWh"
   give_units DESIGN_VOLTAGE "mV"
   give_units CURRENT_NOW "mA"
   give_units POWER_NOW "mW"
   give_units CURRENT_1MIN "mA"
   give_units POWER_1MIN "mW"
   give_units LAST_FULL_CAPACITY "mWh"
   give_units REMAINING_RUNNING_TIME "min"
   give_units REMAINING_CHARGING_TIME "min"
   give_units CAPACITY_PERCENT "%"
   give_units BATT_TEMPERATURE "mC"
   give_units BATT_VOLTAGE "mV"

   # some more
   replace_val REMAINING_RUNNING_TIME "not_discharging" "[not discharging]"
   replace_val REMAINING_CHARGING_TIME "not_charging" "[not charging]"

 else

   BATT_FRU=
   MANUFACTURER=   
   BATT_SERIAL=
   BARCODING=
   BATT_CHEMISTRY=
   DESIGN_CAPACITY=
   DESIGN_VOLTAGE=
   MANUFACTURE_DATE=

   FIRST_USE_DATE=
   CYCLE_COUNT=
   LAST_FULL_CAPACITY=
   CURRENT_1MIN=
   POWER_1MIN=

   CAPACITY_MWH=
   CAPACITY_PERCENT=
   REMAINING_RUNNING_TIME=
   CURRENT_NOW=
   POWER_NOW=
   BATT_TEMPERATURE=
   BATT_VOLTAGE=
   REMAINING_CHARGING_TIME=

 fi

 read_file START_CHARGE_THRESH "start_charge_thresh" 1 0
 read_file STOP_CHARGE_THRESH "stop_charge_thresh" 1 0
 read_file INHIBIT_CHARGE_MIN "inhibit_charge_minutes" 1 0
 read_file BATT_FORCE_DISCHARGE "force_discharge" 1 1 1 "yes" 0 "no"
  1. installed*, state*, dump
  2. barcoding, chemistry, design_capacity, design_voltage, manufacture_date, model, manufacturer, serial
  3. first_use_date, cycle_count, last_full_capacity, current_avg, power_avg
  4. remaining_capacity, remaining_percent, remaining_running_time, current_now, power_now, temperature, voltage, remaining_charging_time
  5. start_charge_thresh*, stop_charge_thresh*, inhibit_charge_minutes*, force_discharge*
 cat << EOF

BATTERY $SLOT INFORMATION

=========

Battery slot: 

 Battery present: $BATT_INSTALLED
 Battery state: $BATT_STATE

EOF 

 if [ "$BATT_INSTALLED" == "yes" ]
 then
   cat << EOF

Embedded info: 

 FRU P/N: $BATT_FRU
 Barcoding: $BARCODING
 Serial number: $BATT_SERIAL
 OEM Manufacturer: $MANUFACTURER
 Chemistry: $BATT_CHEMISTRY
 Manufacture date: $MANUFACTURE_DATE
 Design capacity & voltage: $DESIGN_CAPACITY, $DESIGN_VOLTAGE

Battery health: 

 First use date: $FIRST_USE_DATE
 Cycle count: $CYCLE_COUNT
 Last full capacity: $LAST_FULL_CAPACITY
 Average current / power (past 1 minute): $CURRENT_1MIN, $POWER_1MIN

Battery status: 

 Remaining capacity: $CAPACITY_MWH mWh ($CAPACITY_PERCENT)
 Remaining running time: $REMAINING_RUNNING_TIME
 Running current & power: $CURRENT_NOW, $POWER_NOW
 Temperature: $BATT_TEMPERATURE
 Voltage: $BATT_VOLTAGE
 Remaining charging time: $REMAINING_CHARGING_TIME

EOF 

 fi

 cat << EOF

Battery charging control: 

 Start charging at: $START_CHARGE_THRESH %
 Stop charging at: $STOP_CHARGE_THRESH %
 Prevent charging for: $INHIBIT_CHARGE_MIN min
 Force battery discharge: $BATT_FORCE_DISCHARGE

EOF }

SHOW_ALL= SHOW_BATT= SHOW_MISC= GOT_OPTS=

while getopts ab:hm OPT do 

 GOT_OPTS=y
 case ${OPT} in
 a) SHOW_ALL=y;;
 b) if [ ${OPTARG} -eq 0 -o ${OPTARG} -eq 1 ]
    then
      SHOW_BATT=${OPTARG}
    else
      SHOW_BATT=y
    fi
    ;;
 h) show_help
    exit 0
    ;;
 m) SHOW_MISC=y;;
 \?) show_help
    exit 1
    ;;
 esac

done

if [ "$GOT_OPTS" != y ] then 

 show_help
 exit 1

fi

if [ "$SHOW_ALL" == y ] then 

 show_misc
 show_batt 0
 show_batt 1

else 

 if [ -n "$SHOW_MISC" ]
 then
   show_misc
 fi
 if [ -n "$SHOW_BATT" ]
 then
   show_batt $SHOW_BATT
 fi

fi

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