recv

local net = ...

-- Protocol: 1-wire
-- 10 bit frames
-- 1 tick per bit
-- hi -> low start
-- Clock: > .15 for stable
local hi = 1
local lo = 0
local pulse = 0.25

local state
print("Waiting for start state")
state = redstone.getBundledInput(net)
-- Need to be high before processing
while state ~= 1 do
  os.pullEvent("redstone")
  state = redstone.getBundledInput(net)
end

local ch=0
local bc=0
print("Monitor: ", net)
while true do
  local b = redstone.getBundledInput(net)
  bc = bc + 1

  if state == 1 and b == 1 then
    -- wait until signal change
    --print("wait")
    --os.pullEvent("redstone")
  elseif state == 1 and b == 0 then
    -- Enter receive state
    state = 0
    bc = 1
    ch = 0
  elseif bc == 10 then
    --print("byte: ", ch)
    print(string.char(ch))
    state = 1
  elseif b == 1 then
    ch = bit.bor(ch, bit.blshift(1,bc-2))
    --print(bc, ": ", b, ": ", ch)
  end

  --print(bc, ": ", b)
  os.sleep(pulse) -- 1 MC tick
  if state == 0 then
    -- print(os.time())
  end
end