-- sending data out for dash screens which understand Abit M11 protocol
-- for instance TDG Dashboard v2.0

ABIT_1 = 0x281

setTickRate(100)

t = Timer.new()
t : reset()


-- Little-endian System, "Intel"
function setTwoBytesLsb(data, offset, value)
	value = math.floor(value)
	data[offset + 2] = value >> 8
	data[offset + 1] = value & 0xff
end

out1 = { 0x1D, 0xE1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }

function onTick()
  rpm = math.floor(4000 * t : getElapsedSeconds())
   if t : getElapsedSeconds() > 5 then
   t : reset()
   end
  setTwoBytesLsb(out1, 0, rpm)
  txCan(1, ABIT_1, 0, out1)
end