3 import StdDebug, StdMisc
4 from StdFunc import flip
9 from Text import class Text(startsWith,concat,split,join), instance Text String
12 import System.Directory
14 import iTasks.UI.Definition
16 import iTasks._Framework.TaskState
17 import iTasks._Framework.TaskServer
18 import iTasks._Framework.IWorld
19 import iTasks._Framework.Store
23 derive class iTask Queue, TTYSettings, Parity, BaudRate, ByteSize
24 derive class iTask MTaskMSGRecv, MTaskMSGSend, SerTCP
26 :: SerTCP = Serial | TCP
27 :: *Resource | TTYd !*TTY
29 Start :: *World -> *World
30 Start world = startEngine mTaskTask world
31 //Start world = startEngine mTaskTask world
33 bc :: Main (ByteCode () Stmt)
34 bc = sds \x=1 In sds \pinnetje=1 In {main =
35 IF (digitalRead D3 ==. lit True) (
41 IF (pinnetje ==. lit 1) (
42 digitalWrite D0 (lit True) :.
43 digitalWrite D1 (lit False) :.
44 digitalWrite D2 (lit False)
46 IF (pinnetje ==. lit 2) (
47 digitalWrite D0 (lit False) :.
48 digitalWrite D1 (lit True) :.
49 digitalWrite D2 (lit False)
51 digitalWrite D0 (lit False) :.
52 digitalWrite D1 (lit False) :.
53 digitalWrite D2 (lit True)
57 deviceSelector :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
58 deviceSelector ch = enterInformation "Type" []
60 TCP = (enterInformation "Host" [] -&&- enterInformation "Port" [])
61 >>= \(port,host)->syncNetworkChannel host port ch
62 Serial = accWorld getDevices
63 >>= \dl->(enterChoice "Device" [] dl -&&- updateInformation "Settings" [] zero)
64 >>= \(dev,set)->syncSerialChannel dev set ch
66 getDevices :: !*World -> *(![String], !*World)
67 getDevices w = case readDirectory "/dev" w of
68 (Error (errcode, errmsg), w) = abort errmsg
69 (Ok entries, w) = (map ((+++) "/dev/") (filter isTTY entries), w)
71 isTTY s = not (isEmpty (filter (flip startsWith s) prefixes))
72 prefixes = ["ttyS", "ttyACM", "ttyUSB", "tty.usbserial"]
75 mTaskTask = let (msgs, sdsShares) = makeMsgs 1000 bc in
76 withShared ([], msgs, False) (\ch->
78 ||- processMessages ch messageShare sdsShares
79 ||- viewSharedInformation "channels" [ViewWith lens] ch
80 ||- viewSharedInformation "messages" [] messageShare
81 ||- viewSh sdsShares ch
82 >>* [OnAction ActionFinish (always shutDown)]
85 messageShare :: Shared [String]
86 messageShare = sharedStore "mTaskMessagesRecv" []
88 processMessages ch msgs sdss = forever (watch ch
89 >>* [OnValue (ifValue (not o isEmpty o fst3) (process ch))])
91 process :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> Task ()
92 process ch (r,_,_) = upd (appFst3 (const [])) ch >>| process` r
94 process` = foldr (\r t->updateSDSs sdss msgs r >>| t) (return ())
96 makeMsgs :: Int (Main (ByteCode () Stmt)) -> ([MTaskMSGSend], [(Int, Shared Int)])
98 # (msgs, st) = toMessages timeout (toRealByteCode (unMain bc))
99 = (msgs, map f st.sdss)
101 f (i,d) = (i, sharedStore ("mTaskSDS-" +++ toString i) 0)
103 updateSDSs :: [(Int, Shared Int)] (Shared [String]) MTaskMSGRecv -> Task ()
104 updateSDSs _ m (MTMessage s) = upd (\l->take 20 [s:l]) m @! ()
105 updateSDSs _ _ MTEmpty = return ()
106 updateSDSs [(id, sh):xs] m n=:(MTPub i d)
107 | id == i = set ((toInt d.[0])*265 + toInt d.[1]) sh @! ()
110 lens :: ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> ([String], [String])
111 lens (r,s,_) = (map toString r, map toString s)
113 viewSh :: [(Int, Shared Int)] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
114 viewSh [] ch = return ()
115 viewSh [(i, sh):xs] ch
116 # sharename = "SDS-" +++ toString i
118 viewSharedInformation ("SDS-" +++ toString i) [] sh ||-
120 enterInformation sharename []
121 >>* [OnAction ActionOk
122 (ifValue (\j->j>=1 && j <= 3)
124 >>= \_->sendMsg (toSDSUpdate i c) ch
131 sendMsg :: [MTaskMSGSend] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
132 sendMsg m ch = upd (\(r,s,ss)->(r,s ++ m,True)) ch @! ()
134 syncSerialChannel :: String TTYSettings (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
135 syncSerialChannel dev opts rw = Task eval
137 eval event evalOpts tree=:(TCInit taskId ts) iworld=:{IWorld|world}
138 = case TTYopen dev opts world of
140 # (err, world) = TTYerror world
141 = (ExceptionResult (exception err), {iworld & world=world})
143 # iworld = {iworld & world=world, resources=Just (TTYd tty)}
144 = case addBackgroundTask 42 (BackgroundTask (serialDeviceBackgroundTask rw)) iworld of
145 (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
146 (Ok _, iworld) = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=True} NoRep (TCBasic taskId ts JSONNull False), iworld)
148 eval _ _ tree=:(TCBasic _ ts _ _) iworld
149 = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=False} NoRep tree, iworld)
151 eval event evalOpts tree=:(TCDestroy _) iworld=:{IWorld|resources,world}
152 # (TTYd tty) = fromJust resources
153 # (ok, world) = TTYclose tty world
154 # iworld = {iworld & world=world,resources=Nothing}
155 = case removeBackgroundTask 42 iworld of
156 (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
157 (Ok _, iworld) = (DestroyedResult, iworld)
159 serialDeviceBackgroundTask :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) !*IWorld -> *IWorld
160 serialDeviceBackgroundTask rw iworld
161 = case read rw iworld of
162 (Error e, iworld) = abort "share couldn't be read"
163 (Ok (r,s,ss), iworld)
164 # (Just (TTYd tty)) = iworld.resources
165 # tty = writet (map encode s) tty
166 # (ml, tty) = case TTYavailable tty of
167 (False, tty) = ([], tty)
169 # (l, tty) = TTYreadline tty
170 | not (trace_tn ("recv: '" +++ l +++ "'")) = undef
172 # iworld = {iworld & resources=Just (TTYd tty)}
173 = case write (r++ml,[],False) rw iworld of
174 (Error e, iworld) = abort "share couldn't be written"
175 (Ok _, iworld) = case notify rw iworld of
176 (Error e, iworld) = abort "share couldn't be notified"
177 (Ok _, iworld) = iworld
179 writet :: [String] -> (*TTY -> *TTY)
181 writet [x:xs] = writet xs o TTYwrite x
184 syncNetworkChannel :: String Int (Shared ([MTaskMSGRecv], [MTaskMSGSend], Bool)) -> Task ()
185 syncNetworkChannel server port channel
186 = tcpconnect server port channel {ConnectionHandlers|onConnect=onConnect,whileConnected=whileConnected,onDisconnect=onDisconnect} @! ()
188 onConnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
189 onConnect _ (msgs,send,sendStopped)
190 = (Ok "", Just (msgs,[],sendStopped), map encode send, False)
192 whileConnected :: (Maybe String) String ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
193 whileConnected Nothing acc (msgs,send,sendStopped)
194 = (Ok acc, Nothing, [], False)
195 // = (Ok acc, Just (msgs,[],sendStopped), map encode send, False)
197 whileConnected (Just newData) acc (msgs,send,sendStopped)
198 | sendStopped = (Ok acc, Just (msgs ++ [decode newData],[],False), map encode send, False)
199 = (Ok acc, Just (msgs ++ [decode newData],[],False), [], False)
201 onDisconnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool))
202 onDisconnect l (msgs,send,sendStopped) = (Ok l, Nothing)