+//mTaskTask :: Task ()
+//mTaskTask = let (msgs, sdsShares) = makeMsgs 1000 bc in
+// withDevice \ch->
+// sendMsg msgs ch
+// ||- processMessages ch messageShare sdsShares
+// ||- forever (enterChoice "Choose led to enable" [] [LED1, LED2, LED3]
+// >>= \p->sendMsg (fst (makeMsgs 0 (bc2 p))) ch)
+// ||- forever (enterChoice "Choose led to disable" [] [LED1, LED2, LED3]
+// >>= \p->sendMsg (fst (makeMsgs 0 (bc3 p))) ch)
+// ||- viewSharedInformation "channels" [ViewAs lens] ch
+// ||- viewSharedInformation "messages" [] messageShare
+// ||- viewSh sdsShares ch
+// >>* [OnAction ActionFinish (always shutDown)]
+// where
+// messageShare :: Shared [String]
+// messageShare = sharedStore "mTaskMessagesRecv" []
+//
+// makeMsgs :: Int (Main (ByteCode () Stmt)) -> ([MTaskMSGSend], [(Int, Shared Int)])
+// makeMsgs timeout bc
+// # (msgs, st) = toMessages timeout (toRealByteCode (unMain bc))
+// = (msgs, map f st.sdss)
+// where
+// f (i,d) = (i, sharedStore ("mTaskSDS-" +++ toString i) (dd d))
+// dd [x,y] = toInt x*265 + toInt y
+//
+// updateSDSs :: [(Int, Shared Int)] (Shared [String]) MTaskMSGRecv -> Task ()
+// updateSDSs [(id, sh):xs] m n=:(MTPub i d)
+// | id == i = set ((toInt d.[0])*265 + toInt d.[1]) sh @! ()
+// = updateSDSs xs m n
+// updateSDSs _ m mtm = case mtm of
+// MTMessage s = upd (\l->take 5 [s:l]) m @! ()
+// mta=:(MTTaskAck _) = upd (\l->take 5 [toString mta:l]) m @! ()
+// //TODO other recv msgs
+// _ = return ()
+//
+// lens :: ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> ([String], [String])
+// lens (r,s,_) = (map toString r, map toString s)
+//
+// viewSh :: [(Int, Shared Int)] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
+// viewSh [] ch = return ()
+// viewSh [(i, sh):xs] ch
+// # sharename = "SDS-" +++ toString i
+// = (
+// viewSharedInformation ("SDS-" +++ toString i) [] sh ||-
+// forever (
+// enterInformation sharename []
+// >>* [OnAction ActionOk
+// (ifValue (\j->j>=1 && j <= 3)
+// (\c->set c sh
+// >>= \_->sendMsg (toSDSUpdate i c) ch
+// @! ()
+// )
+// )]
+// )
+// ) ||- viewSh xs ch
+
+sendMsg :: [MTaskMSGSend] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
+sendMsg m ch = upd (\(r,s,ss)->(r,s ++ m,True)) ch @! ()
+
+syncSerialChannel :: String TTYSettings (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
+syncSerialChannel dev opts rw = Task eval
+ where
+ eval event evalOpts tree=:(TCInit taskId ts) iworld=:{IWorld|world}
+ = case TTYopen dev opts world of
+ (False, _, world)
+ # (err, world) = TTYerror world
+ = (ExceptionResult (exception err), {iworld & world=world})
+ (True, tty, world)
+ # iworld = {iworld & world=world, resources=Just (TTYd tty)}
+ = case addBackgroundTask 42 (BackgroundTask (serialDeviceBackgroundTask rw)) iworld of
+ (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
+ (Ok _, iworld) = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=True} NoChange (TCBasic taskId ts JSONNull False), iworld)
+
+ eval _ _ tree=:(TCBasic _ ts _ _) iworld
+ = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=False} NoChange tree, iworld)
+
+ eval event evalOpts tree=:(TCDestroy _) iworld=:{IWorld|resources,world}
+ # (TTYd tty) = fromJust resources
+ # (ok, world) = TTYclose tty world
+ # iworld = {iworld & world=world,resources=Nothing}
+ = case removeBackgroundTask 42 iworld of
+ (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
+ (Ok _, iworld) = (DestroyedResult, iworld)
+
+serialDeviceBackgroundTask :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) !*IWorld -> (MaybeError TaskException (), *IWorld)
+serialDeviceBackgroundTask rw iworld
+ = case read rw iworld of
+ (Error e, iworld) = (Error $ exception "share couldn't be read", iworld)
+ (Ok (r,s,ss), iworld)
+ # (Just (TTYd tty)) = iworld.resources
+ # tty = writet (map encode s) tty
+ # (ml, tty) = case TTYavailable tty of
+ (False, tty) = ([], tty)
+ (_, tty)
+ # (l, tty) = TTYreadline tty
+ = ([decode l], tty)
+ # iworld = {iworld & resources=Just (TTYd tty)}
+ = case write (r++ml,[],False) rw iworld of
+ (Error e, iworld) = (Error $ exception "share couldn't be written", iworld)
+ (Ok _, iworld) = case notify rw iworld of
+ (Error e, iworld) = (Error $ exception "share couldn't be notified", iworld)
+ (Ok _, iworld) = (Ok (), iworld)