module("irtxnode", package.seeall)

require("xap.bsc")
jeenode = require("xap.jeenode")
Nodule = jeenode.Nodule
class = require("pl.class")
require("pl")

class.IRTxNode(Nodule)

-- create BSC endpoints
function IRTxNode:build(...)
   Nodule.build(self, ...)

   self:add {key="IRTxdata", direction=bsc.OUTPUT, type=bsc.STREAM, cmdCB=function(e) self:irdataCmd(e) end}
   self:add {key="temp",  direction=bsc.INPUT, type=bsc.STREAM}
end

function IRTxNode:irdataCmd(e)
	local protocol = tonumber(string.byte(e.text,1))
--split hexstring and convert to decimal
	local codebyte1 = tonumber(string.sub(e.text, 2, 3), 16)
	local codebyte2 = tonumber(string.sub(e.text, 4, 5), 16)
	local codebyte3 = tonumber(string.sub(e.text, 6, 7), 16)
	local codebyte4 = tonumber(string.sub(e.text, 8, 9), 16)

self:sender(protocol..","..codebyte1..","..codebyte2..","..codebyte3..","..codebyte4)
end

function IRTxNode:process(data)
--[[
-- From the irtxnode.pde Sketch
struct {
    int temp   :10; // temperature: -500..+500 (tenths)
} payload;
--]]

   local te = jeenode.bitslicer(data,-10)
   te = te / 10

-- Add the temperature offset if one has been supplied
   if self.cfg.toff then
      te = te + self.cfg.toff
   end

   -- The keys here must match the key values from the self:add{key=x}
   Nodule.process(self,{temp=te})
end