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check battery status file

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chrox
2014-07-15 16:45:09 +08:00
parent bb9426038f
commit df57c19b99
1 changed files with 8 additions and 4 deletions
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12
frontend/ui/device/basepowerd.lua
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@@ -27,10 +27,14 @@ function BasePowerD:suspendHW() end
function BasePowerD:wakeUpHW() end
function BasePowerD:read_int_file(file)
local f = io.open(file, "r")
local sysint = tonumber(f:read("*all"):match("%d+"))
f:close()
return sysint
local fd = io.open(file, "r")
if fd then
local int = fd:read("*all"):match("%d+")
fd:close()
return int and tonumber(int) or 0
else
return 0
end
end
function BasePowerD:setIntensity(intensity)