-- | XBee serial library for arduino-copilot.
--
-- This module is designed to be imported qualified as XBee

{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE ScopedTypeVariables #-}

module Copilot.Arduino.Library.Serial.XBee (
	Baud(..),
	device,
	output,
	char,
	str,
	show,
	showFormatted,
	byte,
	input,
	input',
	noInput,
	ShowableType,
	FormatableType,
	Base(..),
) where

import Copilot.Arduino hiding (show)
import Copilot.Arduino.Library.Serial.Device
import Prelude ()

dev :: SerialDeviceName
dev = SerialDeviceName "XBee"

-- | Configure the XBee device. 
--
-- This must be included in your sketch if it uses XBee.
--
-- > XBee.device pin2 pin3 (XBee.Baud 9600)
device
	:: (IsDigitalIOPin rx, IsDigitalIOPin tx)
	=> Pin rx -- ^ pin on which to receive serial data
	-> Pin tx -- ^ pin on which to transfer serial data
	-> Baud
	-> Sketch ()
device = deviceD dev

-- | Output to XBee.
--
-- Note that this can only be used once in a Sketch.
--
-- > main = arduino $ doa
-- >    XBee.device pin2 pin3 (XBee.Baud 9600)
-- > 	b <- readfrom pin4
-- > 	n <- readvoltage a1
-- > 	XBee.output true
-- > 		[ Serial.str "pin4:"
-- > 		, Serial.show b
-- > 		, Serial.str " a1:"
-- > 		, Serial.show n
-- > 		, Serial.char '\n'
-- > 		]
output
	:: Stream Bool
	-- ^ This Stream controls when output is sent to the XBee.
	-> [FormatOutput]
	-> Sketch ()
output = outputD dev

-- | Input from the XBee.
--
-- Reads one byte on each iteration of the sketch. When there is no
-- serial input available, reads `noInput`.
--
-- > userinput <- XBee.input
input :: Input Int8
input = inputD dev

-- | The list is used to simulate Xbee input when interpreting the program.
input' :: [Int8] -> Input Int8
input' = input'D dev