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koreader/frontend/ui/device/kindlepowerd.lua
NiLuJe f1cc984cbf Close lipc handles on exit.
No idea if bad things happen if we don't, but at least this sounds more
correct. (re #696)
2014-07-04 20:10:38 +02:00

93 lines
2.9 KiB
Lua

local BasePowerD = require("ui/device/basepowerd")
-- liblipclua, see require below
local KindlePowerD = BasePowerD:new{
fl_min = 0, fl_max = 24,
kpw1_frontlight = "/sys/devices/system/fl_tps6116x/fl_tps6116x0/fl_intensity",
kpw2_frontlight = "/sys/class/backlight/max77696-bl/brightness",
kt_kpw_capacity = "/sys/devices/system/yoshi_battery/yoshi_battery0/battery_capacity",
kpw_charging = "/sys/devices/platform/aplite_charger.0/charging",
kt_charging = "/sys/devices/platform/fsl-usb2-udc/charging",
flIntensity = nil,
battCapacity = nil,
is_charging = nil,
lipc_handle = nil,
}
function KindlePowerD:new(o)
local o = o or {}
setmetatable(o, self)
self.__index = self
if o.init then o:init(o.model) end
return o
end
function KindlePowerD:init(model)
local lipc = require("liblipclua")
if lipc then
self.lipc_handle = lipc.init("com.github.koreader.kindlepowerd")
end
if model == "KindleTouch" then
self.batt_capacity_file = self.kt_kpw_capacity
self.is_charging_file = self.kt_charging
elseif model == "KindlePaperWhite" then
self.fl_intensity_file = self.kpw1_frontlight
self.batt_capacity_file = self.kt_kpw_capacity
self.is_charging_file = self.kpw_charging
elseif model == "KindlePaperWhite2" then
self.fl_intensity_file = self.kpw2_frontlight
self.batt_capacity_file = self.kt_kpw_capacity
self.is_charging_file = self.kpw_charging
end
if self.lipc_handle 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
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:coda()
if self.lipc_handle then
self.lipc_handle:close()
end
end
return KindlePowerD