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OC-KittenOS/code/apps/app-batmon.lua
2018-06-12 21:45:54 +01:00

75 lines
1.7 KiB
Lua

-- This is released into the public domain.
-- No warranty is provided, implied or otherwise.
-- app-batmon: Still not batman.
-- Port of the original 'batmon.lua' from KittenOS Legacy.
local window = neo.requireAccess("x.neo.pub.window", "window")(10, 2)
-- OCE/s, OCE at last check, uptime of last timer set, uptime of last check
local lastChange, lastValue, lastTimer, lpTimer = 0
local usage = {
"[####]:",
"[###:]:",
"[### ]:",
"[##: ]:",
"[## ]:",
"[#: ]:",
"[# ]:",
"[: ]:",
"[ ]:",
"WARNING"
}
local function getText(y)
if y == 2 then
if not lastChange then
return "Wait..."
end
local ind = "Dc. "
local wc = lastChange
local wv = os.energy()
if wc > 0 then
wc = -wc
wv = os.maxEnergy() - wv
ind = "Ch. "
end
local m = math.floor((wv / -wc) / 60)
return ind .. m .. "m"
end
local dec = os.energy() / os.maxEnergy()
-- dec is from 0 to 1.
local potential = math.floor(dec * #usage)
if potential < 0 then potential = 1 end
if potential >= #usage then potential = #usage - 1 end
return usage[#usage - potential]
end
local function update()
local nv = os.energy()
if lastValue then
lastChange = (nv - lastValue) / (os.uptime() - lpTimer)
end
lpTimer = os.uptime()
lastValue = nv
lastTimer = os.uptime() + 10
if lastChange then
if lastChange > 10 then
lastTimer = lastTimer - 9
end
end
neo.scheduleTimer(lastTimer)
window.setSize(10, 2)
end
update()
while true do
local ev, a, b, c = coroutine.yield()
if ev == "x.neo.pub.window" then
if b == "close" then
return
elseif b == "line" then
local tx = getText(c):sub(1, 10)
window.span(1, c, tx .. (" "):rep(10 - #tx), 0xFFFFFF, 0)
end
elseif ev == "k.timer" then
update()
end
end