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koreader/frontend/device/sdl/powerd.lua

41 lines
949 B
Lua

local BasePowerD = require("device/generic/powerd")
local SDL = require("ffi/SDL2_0")
local SDLPowerD = BasePowerD:new{
-- these values are just used on the emulator
hw_intensity = 50,
fl_min = 0,
fl_max = 100,
fl_warmth = 50,
fl_warmth_min = 0,
fl_warmth_max = 100,
}
function SDLPowerD:frontlightIntensityHW()
return self.hw_intensity
end
function SDLPowerD:setIntensityHW(intensity)
require("logger").info("set brightness to", intensity)
self.hw_intensity = intensity or self.hw_intensity
end
function SDLPowerD:frontlightWarmthHW()
return self.fl_warmth
end
function SDLPowerD:getCapacityHW()
local _, _, _, percent = SDL.getPowerInfo()
-- -1 looks a bit odd compared to 0
if percent == -1 then return 0 end
return percent
end
function SDLPowerD:isChargingHW()
local ok, charging = SDL.getPowerInfo()
if ok then return charging end
return false
end
return SDLPowerD