From 946271c41d70e7ce5633380b4114dcd775fb73bb Mon Sep 17 00:00:00 2001 From: Normal Ra Date: Sun, 22 Dec 2013 13:09:16 +0100 Subject: bat: expose information on battery wear and tear Modern batteries should expose information about their design capacity which we can compare to current capacity and deduce how much 'wear' the battery got and expose that as a negative value percentage. Feature sent in August took a while to convince the maintainer many modern batteries provide this information. Signed-off-by: Adrian C. (anrxc) --- README | 7 ++++--- widgets/bat.lua | 18 +++++++++++------- 2 files changed, 15 insertions(+), 10 deletions(-) diff --git a/README b/README index 5f4cdd9..4f1ff50 100644 --- a/README +++ b/README @@ -159,11 +159,12 @@ vicious.widgets.uptime for 5 minutes and 6th for 15 minutes vicious.widgets.bat - - provides state, charge, and remaining time for a requested battery + - provides state, charge, remaining time and wear for a requested + battery - takes battery ID as an argument, i.e. "BAT0" - returns 1st value as state of requested battery, 2nd as charge - level in percent and 3rd as remaining (charging or discharging) - time + level in percent, 3rd as remaining (charging or discharging) + time and 4th as the wear level in percent vicious.widgets.mem - provides RAM and Swap usage statistics diff --git a/widgets/bat.lua b/widgets/bat.lua index 76a9d4c..454e43f 100644 --- a/widgets/bat.lua +++ b/widgets/bat.lua @@ -1,6 +1,7 @@ --------------------------------------------------- -- Licensed under the GNU General Public License v2 -- * (c) 2010, Adrian C. +-- * (c) 2013, NormalRa --------------------------------------------------- -- {{{ Grab environment @@ -15,7 +16,7 @@ local math = { -- }}} --- Bat: provides state, charge, and remaining time for a requested battery +-- Bat: provides state, charge, remaining time, and wear for a requested battery -- vicious.widgets.bat local bat = {} @@ -35,7 +36,7 @@ local function worker(format, warg) -- Check if the battery is present if battery.present ~= "1\n" then - return {battery_state["Unknown\n"], 0, "N/A"} + return {battery_state["Unknown\n"], 0, "N/A", 0} end @@ -45,14 +46,17 @@ local function worker(format, warg) -- Get capacity information if battery.charge_now then remaining, capacity = battery.charge_now, battery.charge_full + capacity_design = battery.charge_full_design or capacity elseif battery.energy_now then remaining, capacity = battery.energy_now, battery.energy_full + capacity_design = battery.energy_full_design or capacity else - return {battery_state["Unknown\n"], 0, "N/A"} + return {battery_state["Unknown\n"], 0, "N/A", 0} end - -- Calculate percentage (but work around broken BAT/ACPI implementations) + -- Calculate capacity and wear percentage (but work around broken BAT/ACPI implementations) local percent = math.min(math.floor(remaining / capacity * 100), 100) + local wear = math.floor(100 - capacity / capacity_design * 100) -- Get charge information @@ -61,7 +65,7 @@ local function worker(format, warg) elseif battery.power_now then rate = tonumber(battery.power_now) else - return {state, percent, "N/A"} + return {state, percent, "N/A", wear} end -- Calculate remaining (charging or discharging) time @@ -73,7 +77,7 @@ local function worker(format, warg) elseif state == "-" then timeleft = tonumber(remaining) / tonumber(rate) else - return {state, percent, time} + return {state, percent, time, wear} end -- Calculate time @@ -83,7 +87,7 @@ local function worker(format, warg) time = string.format("%02d:%02d", hoursleft, minutesleft) end - return {state, percent, time} + return {state, percent, time, wear} end -- }}} -- cgit v1.2.3