<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<PyFile>
  <variables>
    <variable name="WiiNunchuckStickX" type="INT"/>
    <variable name="WiiNunchuckStickY" type="INT"/>
    <variable name="WiiNunchuckAccX" type="INT"/>
    <variable name="WiiNunchuckAccY" type="INT"/>
    <variable name="WiiNunchuckAccZ" type="INT"/>
    <variable name="WiiNunchuckButtons" type="WORD"/>
    <variable name="WiiButtons" type="WORD"/>
  </variables>
  <globals>
<![CDATA[
import cwiid,commands,sys,re,os,time

wiimote = None
WIIMOTE_ADDR_MODEL = re.compile("((?:[0-9A-F]{2})(?::[0-9A-F]{2}){5})\s*Nintendo")
nunchuckzero = None

def Wiimote_cback(messages, time):
    global nunchuckzero
    state = dict(messages)
    bts = state.get(cwiid.MESG_BTN, None)
    if bts is not None:
        PLCGlobals.WiiButtons = bts
    nunchuck = state.get(cwiid.MESG_NUNCHUK, None)
    if nunchuck is not None:
        PLCGlobals.WiiNunchuckButtons = nunchuck['buttons']
        X,Y = nunchuck['stick']
        PLCGlobals.WiiNunchuckAccX = nunchuck['acc'][cwiid.X]
        PLCGlobals.WiiNunchuckAccY = nunchuck['acc'][cwiid.Y]
        PLCGlobals.WiiNunchuckAccZ = nunchuck['acc'][cwiid.Z]
        if nunchuckzero is None:
            nunchuckzero = X,Y
        (PLCGlobals.WiiNunchuckStickX,
         PLCGlobals.WiiNunchuckStickY) = X-nunchuckzero[0],Y-nunchuckzero[1]

def Connect_Wiimote(connected_callback):
    global wiimote,nunchuckzero
    mac_addr = ''
    try:
        mac_addr = file("wiimac.txt","rt").read()
    except:
        PLCObject.LogMessage("Wiimote MAC unknown, scanning bluetooth")
        output = commands.getoutput("hcitool scan")
        result = WIIMOTE_ADDR_MODEL.search(output)
        if result is not None:
            mac_addr = result.group(1)
            PLCObject.LogMessage("Found Wiimote with MAC %s"%mac_addr)
            file("wiimac.txt","wt").write(mac_addr)
 
    # Connect to wiimote
    if not mac_addr:
        PLCObject.LogMessage("Connection to unknown Wiimote...")
        wiimote = cwiid.Wiimote()
    else:
        PLCObject.LogMessage("Connection to Wiimote %s..."%mac_addr)
        wiimote = cwiid.Wiimote(mac_addr)

    if wiimote is not None:
        nunchuckzero = None
        wiimote.rpt_mode = cwiid.RPT_BTN | cwiid.RPT_EXT
        # use the callback interface
        wiimote.mesg_callback = Wiimote_cback
        wiimote.enable(cwiid.FLAG_MESG_IFC)
        connected_callback(mac_addr)
        PLCObject.LogMessage("Wiimote %s Connected"%mac_addr)
    else:
        PLCObject.LogMessage("Wiimote %s not found"%mac_addr)
        os.remove("wiimac.txt")
        connected_callback(None)

def Disconnect_Wiimote():
  global wiimote
  if wiimote is not None:
    wiimote.disable(cwiid.FLAG_MESG_IFC)
    time.sleep(0.1)
    wiimote.close()
    wiimote = None
    PLCObject.LogMessage("Wiimote disconnected")

]]>
  </globals>
  <init>
<![CDATA[
]]>
  </init>
  <cleanup>
<![CDATA[
Disconnect_Wiimote()

]]>
  </cleanup>
  <start>
<![CDATA[
]]>
  </start>
  <stop>
<![CDATA[
]]>
  </stop>
</PyFile>