LuPPC/src/lua/core/eeprom.lua

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2016-01-07 07:32:53 +11:00
local eeprom = {}
local default = moduleCode["eepromDefault"]
local size = 4092
local dataSize = 256
function eeprom.register()
local component = {}
function component.get()
local h = io.open("usereeprom.lua", "r")
if h then
local data = h:read("*a")
h:close()
return data
else
return default
end
end
function component.set(data)
checkArg(1, data, "string")
data = data:sub(1, size)
local h = io.open("usereeprom.lua", "w")
if not h then
error("Critical: Cannot open EERPOM file")
end
h:write(data)
h:close()
end
function component.getLabel()
return "LUA BIOS"
end
function component.setLabel()
return nil, "Cannot set label"
end
function component.getSize()
return size
end
function component.getData()
local h = io.open("usereepromdata.lua", "r")
if h then
local data = h:read("*a")
h:close()
return data
else
return default
end
end
function component.setData(data)
checkArg(1, data, "string")
data = data:sub(1, dataSize)
local h = io.open("usereepromdata.lua", "w")
if not h then
error("Critical: Cannot open EERPOM file")
end
h:write(data)
h:close()
end
--FIXME: Implement
function component.getChecksum()
error("Method stub")
end
function component.makeReadonly()
return false, "Method stub"
end
modules.component.api.register(nil, "eeprom", component)
end
return eeprom