This is my function:
function batteryInfo(device)
local fcur = io.open("/sys/class/power_supply/"..device.."/energy_now")
local fcap =
io.open("/sys/class/power_supply/"..device.."/energy_full")
local fsta = io.open("/sys/class/power_supply/"..device.."/status")
local cur = fcur:read()
local cap = fcap:read()
local sta = fsta:read()
local battery = math.floor(cur * 100 / cap)
if sta:match("Charging") then
dir = '<span color="green">^</span>'
battery = "AC ("..battery.."%)"
elseif sta:match("Discharging") then
dir = '<span color="red">v</span>'
if tonumber(battery) < 25 then
if tonumber(battery) < 10 then
battery = '<span color="red"
font-weight="bold">'..battery..'%</span>'
else
battery = '<span color="red">'..battery..'%</span>'
end
else
battery = battery .. "%"
end
else
dir = "="
battery = "AC"
end
batterywidget.text = ' <span color="yellow">B</span>: ' .. dir .. " "
.. battery .. " "
fcur:close()
fcap:close()
fsta:close()
end
My widget definition:
batterywidget = widget({type = "textbox", name = "batterywidget", align="right"
})
And my timer:
awful.hooks.timer.register(3, function()
batteryInfo("BAT1")
end)
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