miTask.icl

   1 module miTask
   2
   3 import StdDebug, StdMisc
   4 from StdFunc import flip
   5
   6 import iTasks
   7 import mTask
   8
   9 from Text import class Text(startsWith,concat,split,join), instance Text String
  10
  11 import Data.Tuple
  12 import System.Directory
  13
  14 import iTasks.UI.Definition
  15
  16 import iTasks._Framework.TaskState
  17 import iTasks._Framework.TaskServer
  18 import iTasks._Framework.IWorld
  19 import iTasks._Framework.Store
  20
  21 import TTY
  22
  23 derive class iTask Queue, TTYSettings, Parity, BaudRate, ByteSize
  24 derive class iTask MTaskMSGRecv, MTaskMSGSend
  25
  26 :: *Resource | TTYd !*TTY
  27
  28 Start :: *World -> *World
  29 Start world = startEngine (withShared ([], False, [], False) mTaskTask) world
  30 //Start world = startEngine mTaskTask world
  31 //
  32 deviceSelectorNetwork :: Task (Int, String)
  33 deviceSelectorNetwork = enterInformation "Port Number?" []
  34         -&&- enterInformation "Network address" []
  35
  36 deviceSelectorSerial :: Task (String, TTYSettings)
  37 deviceSelectorSerial = accWorld getDevices
  38         >>= \dl->(enterChoice "Device" [] dl -&&- deviceSettings)
  39         where
  40                 deviceSettings = updateInformation "Settings" [] zero
  41
  42                 getDevices :: !*World -> *(![String], !*World)
  43                 getDevices w = case readDirectory "/dev" w of
  44                         (Error (errcode, errmsg), w) = abort errmsg
  45                         (Ok entries, w) = (map ((+++) "/dev/") (filter isTTY entries), w)
  46                         where
  47                                 isTTY s = not (isEmpty (filter (flip startsWith s) prefixes))
  48                                 prefixes = ["ttyS", "ttyACM", "ttyUSB", "tty.usbserial"]
  49
  50 derive class iTask SerTCP
  51 :: SerTCP = Serial | TCP
  52
  53 mTaskTask :: (Shared ([MTaskMSGRecv],Bool,[MTaskMSGSend],Bool)) -> Task ()
  54 mTaskTask ch =
  55         (enterInformation "Choose" [] >>= \st->case st of
  56                 Serial = deviceSelectorSerial >>= \(s,set)->syncSerialChannel s set decode encode ch
  57                 TCP = deviceSelectorNetwork >>= \(p,h)->syncNetworkChannel h p "\n" decode encode ch
  58         ) ||-
  59         (
  60                 sendMsg msgs ch >>= \_->(
  61                         consumeNetworkStream (processSDSs sdsShares messageShare) ch ||-
  62                         viewSharedInformation "channels" [ViewWith lens] ch ||-
  63                         viewSharedInformation "messages" [] messageShare ||-
  64                         viewSh sdsShares ch
  65                 )
  66         ) >>* [OnAction ActionFinish (always shutDown)]
  67         where
  68                 messageShare :: Shared [String]
  69                 messageShare = sharedStore "mTaskMessagesRecv" []
  70
  71                 processSDSs :: [(Int, Shared Int)] (Shared [String]) [MTaskMSGRecv] -> Task ()
  72                 processSDSs _ _ [] = return ()
  73                 processSDSs s y [x:xs] = updateSDSs s y x >>= \_->processSDSs s y xs
  74
  75                 updateSDSs :: [(Int, Shared Int)] (Shared [String]) MTaskMSGRecv -> Task ()
  76                 updateSDSs _ m (MTMessage s) = upd (\l->take 20 [s:l]) m @! ()
  77                 updateSDSs _ _ MTEmpty = return ()
  78                 updateSDSs [(id, sh):xs] m n=:(MTPub i d)
  79                 | id == i = set ((toInt d.[0])*265 + toInt d.[1]) sh @! ()
  80                 = updateSDSs xs m n
  81
  82                 lens :: ([MTaskMSGRecv],Bool,[MTaskMSGSend],Bool) -> ([String], [String])
  83                 lens (r,_,s,_) = (f r, map toString s)
  84                         where
  85                                 f [] = []
  86                                 f [MTEmpty:xs] = f xs
  87                                 f [x:xs] = [toString x:f xs]
  88
  89                 viewSh :: [(Int, Shared Int)] (Shared ([MTaskMSGRecv],Bool,[MTaskMSGSend],Bool)) -> Task ()
  90                 viewSh [] ch = return ()
  91                 viewSh [(i, sh):xs] ch
  92                 # sharename = "SDS-" +++ toString i
  93                 = (
  94                                 viewSharedInformation ("SDS-" +++ toString i) [] sh ||-
  95                                 forever (
  96                                         enterInformation sharename []
  97                                         >>* [OnAction ActionOk
  98                                                         (ifValue (\j->j>=1 && j <= 3)
  99                                                         (\c->set c sh
 100                                                                 >>= \_->sendMsg (toSDSUpdate i c) ch
 101                                                                 @! ()
 102                                                         )
 103                                                 )]
 104                                 )
 105                         ) ||- viewSh xs ch
 106
 107                 sdsShares = makeShares st
 108                 (msgs, st) = toMessages 1000 (toRealByteCode (unMain bc))
 109
 110                 bc :: Main (ByteCode () Stmt)
 111                 bc = sds \x=1 In sds \pinnetje=1 In {main =
 112                                 IF (digitalRead D3 ==. lit True) (
 113                                         x =. x +. lit 1 :.
 114                                         pub x
 115                                 ) (
 116                                         noOp
 117                                 ) :.
 118                                 IF (pinnetje ==. lit 1) (
 119                                         digitalWrite D0 (lit True) :.
 120                                         digitalWrite D1 (lit False) :.
 121                                         digitalWrite D2 (lit False)
 122                                 ) (
 123                                         IF (pinnetje ==. lit 2) (
 124                                                 digitalWrite D0 (lit False) :.
 125                                                 digitalWrite D1 (lit True) :.
 126                                                 digitalWrite D2 (lit False)
 127                                         ) (
 128                                                 digitalWrite D0 (lit False) :.
 129                                                 digitalWrite D1 (lit False) :.
 130                                                 digitalWrite D2 (lit True)
 131                                         )
 132                                 )}
 133
 134 makeShares :: BCState -> [(Int, Shared Int)]
 135 makeShares {sdss=[]} = []
 136 makeShares s=:{sdss=[(i,d):xs]} =
 137         [(i, sharedStore ("mTaskSDS-" +++ toString i) 1):makeShares {s & sdss=xs}]
 138
 139 //makeBytecode :: Int (Main (ByteCode () Stmt)) -> ([MTaskMSGSend], [(Int, Shared Int)])
 140 //makeBytecode timeout bc
 141 //# (msgs, st) = toMessages timeout (toRealByteCode (unMain bc))
 142 //# shares = map (\(i,d)->(i, sharedStore (s i) (dd d))) st.sdss
 143 //= (msgs, shares)
 144 //      where
 145 //              s i = "mTaskSDS-" +++ toString i
 146 //              dd [x,y] = (toInt x)*265+(toInt y)
 147
 148
 149 sendMsg :: [MTaskMSGSend] (Shared ([MTaskMSGRecv],Bool,[MTaskMSGSend],Bool)) -> Task ()
 150 sendMsg m ch = upd (\(r,rs,s,ss)->(r,rs,s ++ m,ss)) ch @! ()
 151
 152 syncSerialChannel :: String TTYSettings (String -> m) (n -> String) (Shared ([m],Bool,[n],Bool)) -> Task () | iTask m & iTask n
 153 syncSerialChannel dev opts decodeFun encodeFun rw = Task eval
 154         where
 155                 eval event evalOpts tree=:(TCInit taskId ts) iworld=:{IWorld|world}
 156                 = case TTYopen dev opts world of
 157                         (False, _, world)
 158                         # (err, world) = TTYerror world
 159                         = (ExceptionResult (exception err), {iworld & world=world})
 160                         (True, tty, world)
 161                         # iworld = {iworld & world=world, resources=Just (TTYd tty)}
 162                         = case addBackgroundTask 42 (BackgroundTask (serialDeviceBackgroundTask rw decodeFun encodeFun)) iworld of
 163                                 (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
 164                                 (Ok _, iworld) = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=True} NoRep (TCBasic taskId ts JSONNull False), iworld)
 165
 166                 eval _ _ tree=:(TCBasic _ ts _ _) iworld
 167                 = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=False} NoRep tree, iworld)
 168
 169                 eval event evalOpts tree=:(TCDestroy _) iworld=:{IWorld|resources,world}
 170                 # (TTYd tty) = fromJust resources
 171                 # (ok, world) = TTYclose tty world
 172                 # iworld = {iworld & world=world,resources=Nothing}
 173                 = case removeBackgroundTask  42 iworld of
 174                         (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
 175                         (Ok _, iworld) = (DestroyedResult, iworld)
 176
 177 serialDeviceBackgroundTask :: (Shared ([m],Bool,[n],Bool)) (String -> m) (n -> String) !*IWorld -> *IWorld
 178 serialDeviceBackgroundTask rw de en iworld
 179         = case read rw iworld of
 180                 (Error e, iworld) = abort "share couldn't be read"
 181                 (Ok (r,rs,s,ss), iworld)
 182                 # (Just (TTYd tty)) = iworld.resources
 183                 # tty = writet (map en s) tty
 184                 # (ml, tty) = case TTYavailable tty of
 185                         (False, tty) = ([], tty)
 186                         (_, tty)
 187                         # (l, tty) = TTYreadline tty
 188                         = ([de l], tty)
 189                 # iworld = {iworld & resources=Just (TTYd tty)}
 190                 = case write (r++ml,rs,[],ss) rw iworld of
 191                         (Error e, iworld) = abort "share couldn't be written"
 192                         (Ok _, iworld) = case notify rw iworld of
 193                                 (Error e, iworld) = abort "share couldn't be notified"
 194                                 (Ok _, iworld) = iworld
 195         where
 196                 writet :: [String] !*TTY -> *TTY
 197                 writet [] t = t
 198                 writet [x:xs] t = writet xs (TTYwrite x t)
 199
 200
 201 syncNetworkChannel :: String Int String (String -> m) (n -> String) (Shared ([m],Bool,[n],Bool)) -> Task () | iTask m & iTask n
 202 syncNetworkChannel server port msgSeparator decodeFun encodeFun channel
 203         = tcpconnect server port channel {ConnectionHandlers|onConnect=onConnect,whileConnected=whileConnected,onDisconnect=onDisconnect} @! ()
 204         where
 205                 onConnect _ (received,receiveStopped,send,sendStopped)
 206                         = (Ok "",if (not (isEmpty send)) (Just (received,False,[],sendStopped)) Nothing, map encodeFun send,False)
 207                 whileConnected Nothing acc (received,receiveStopped,send,sendStopped)
 208                 | not (trace_tn "whilec nothing") = undef
 209                         = (Ok acc, Nothing, [], False)
 210                 whileConnected (Just newData) acc (received,receiveStopped,send,sendStopped)
 211                 | not (trace_tn "whilec just") = undef
 212                 # [acc:msgs] = reverse (split msgSeparator (concat [acc,newData]))
 213                 # write = if (not (isEmpty msgs && isEmpty send))
 214                         (Just (received ++ map decodeFun (reverse msgs),receiveStopped,[],sendStopped))
 215                         Nothing
 216                 = (Ok acc,write,map encodeFun send,False)
 217
 218                 onDisconnect l (received,receiveStopped,send,sendStopped)
 219                         = (Ok l,Just (received,True,send,sendStopped))
 220
 221 consumeNetworkStream :: ([m] -> Task ()) (Shared ([m],Bool,[n],Bool)) -> Task () | iTask m & iTask n
 222 consumeNetworkStream processTask channel
 223         = ((watch channel >>* [OnValue (ifValue ifProcess process)]) <! id) @! ()
 224         where
 225                 ifProcess (received,receiveStopped,_,_)
 226                         = receiveStopped || (not (isEmpty received))
 227
 228                 process (received,receiveStopped,_,_)
 229                         =   upd empty channel
 230                         >>| if (isEmpty received) (return ()) (processTask received)
 231                         @!  receiveStopped
 232
 233                 empty :: ([m],Bool,[n],Bool) -> ([m],Bool,[n],Bool)
 234                 empty (_,rs,s,ss) = ([],rs,s,ss)