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koreader/frontend/device/kindle/powerd.lua
NiLuJe 5fa5fabf02 Fix battery status on the K4
And also probably prevent a crash when trying to enable WiFi there.
We really shouldn't even show the WiFi stuff on some of these old
devices, but at least now it doesn't crash ;).
2015-09-27 01:02:37 +02:00

70 lines
2.0 KiB
Lua

local BasePowerD = require("device/generic/powerd")
-- liblipclua, see require below
local KindlePowerD = BasePowerD:new{
fl_min = 0, fl_max = 24,
flIntensity = nil,
battCapacity = nil,
is_charging = nil,
lipc_handle = nil,
}
function KindlePowerD:init()
local haslipc, lipc = pcall(require, "liblipclua")
if haslipc and lipc then
self.lipc_handle = lipc.init("com.github.koreader.kindlepowerd")
end
if self.device.hasFrontlight() then
if self.lipc_handle ~= nil then
self.flIntensity = self.lipc_handle:get_int_property("com.lab126.powerd", "flIntensity")
else
self.flIntensity = self:read_int_file(self.fl_intensity_file)
end
end
end
function KindlePowerD:toggleFrontlight()
local sysint = self:read_int_file(self.fl_intensity_file)
if sysint == 0 then
self:setIntensity(self.flIntensity)
else
os.execute("echo -n 0 > " .. self.fl_intensity_file)
end
end
function KindlePowerD:setIntensityHW()
if self.lipc_handle ~= nil then
self.lipc_handle:set_int_property("com.lab126.powerd", "flIntensity", self.flIntensity)
else
os.execute("echo -n ".. self.flIntensity .." > " .. self.fl_intensity_file)
end
end
function KindlePowerD:getCapacityHW()
if self.lipc_handle ~= nil then
self.battCapacity = self.lipc_handle:get_int_property("com.lab126.powerd", "battLevel")
else
self.battCapacity = self:read_int_file(self.batt_capacity_file)
end
return self.battCapacity
end
function KindlePowerD:isChargingHW()
if self.lipc_handle ~= nil then
self.is_charging = self.lipc_handle:get_int_property("com.lab126.powerd", "isCharging")
else
self.is_charging = self:read_int_file(self.is_charging_file)
end
return self.is_charging == 1
end
function KindlePowerD:__gc()
if self.lipc_handle then
self.lipc_handle:close()
self.lipc_handle = nil
end
end
return KindlePowerD