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, SerTCP, UserLED
  25
  26 :: SerTCP = Serial | TCP
  27 :: *Resource | TTYd !*TTY
  28
  29 Start :: *World -> *World
  30 Start world = startEngine mTaskTask world
  31 //Start world = startEngine mTaskTask world
  32
  33 bc :: Main (ByteCode () Stmt)
  34 bc = sds \x=1 In sds \pinnetje=1 In {main =
  35                 IF (digitalRead D3) (
  36                         x =. x +. lit 1 :.
  37                         pub x
  38                 ) (
  39                         noOp
  40                 ) :.
  41                 IF (pinnetje ==. lit 1) (
  42                         ledOn LED1
  43                 ) (
  44                         IF (pinnetje ==. lit 2) (
  45                                 ledOn LED2
  46                         ) (
  47                                 ledOn LED3
  48                         )
  49                 )}
  50
  51 bc2 :: UserLED -> Main (ByteCode () Stmt)
  52 bc2 d = {main = ledOn d}
  53
  54 bc3 :: UserLED -> Main (ByteCode () Stmt)
  55 bc3 d = {main = ledOff d}
  56
  57
  58 withDevice :: ((Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task a) -> Task a | iTask a
  59 withDevice t = withShared ([], [], False) \ch->
  60                 enterInformation "Type" []
  61         >>= \ty->case ty of
  62                 TCP = (enterInformation "Host" [] -&&- enterInformation "Port" [])
  63                         >>= \(port,host)->t ch -|| syncNetworkChannel host port ch
  64                 Serial = accWorld getDevices
  65                         >>= \dl->(enterChoice "Device" [] dl -&&- updateInformation "Settings" [] zero)
  66                         >>= \(dev,set)->t ch -|| syncSerialChannel dev set ch
  67         where
  68                 getDevices :: !*World -> *(![String], !*World)
  69                 getDevices w = case readDirectory "/dev" w of
  70                         (Error (errcode, errmsg), w) = abort errmsg
  71                         (Ok entries, w) = (map ((+++) "/dev/") (filter isTTY entries), w)
  72                         where
  73                                 isTTY s = not (isEmpty (filter (flip startsWith s) prefixes))
  74                                 prefixes = ["ttyS", "ttyACM", "ttyUSB", "tty.usbserial"]
  75
  76 mTaskTask :: Task ()
  77 mTaskTask = let (msgs, sdsShares) = makeMsgs 1000 bc in
  78         withDevice \ch->
  79                         sendMsg msgs ch
  80                 ||- processMessages ch messageShare sdsShares
  81                 ||- forever (enterChoice "Choose led to enable" [] [LED1, LED2, LED3]
  82                                 >>= \p->sendMsg (fst (makeMsgs 0 (bc2 p))) ch)
  83                 ||- forever (enterChoice "Choose led to disable" [] [LED1, LED2, LED3]
  84                                 >>= \p->sendMsg (fst (makeMsgs 0 (bc3 p))) ch)
  85                 ||- viewSharedInformation "channels" [ViewWith lens] ch
  86                 ||- viewSharedInformation "messages" [] messageShare
  87                 ||- viewSh sdsShares ch
  88                 >>* [OnAction ActionFinish (always shutDown)]
  89         where
  90                 messageShare :: Shared [String]
  91                 messageShare = sharedStore "mTaskMessagesRecv" []
  92
  93                 processMessages ch msgs sdss = forever (watch ch
  94                         >>* [OnValue (ifValue (not o isEmpty o fst3) (process ch))])
  95                         where
  96                                 process :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> Task ()
  97                                 process ch (r,_,_) = upd (appFst3 (const [])) ch >>| process` r
  98                                         where
  99                                                 process` = foldr (\r t->updateSDSs sdss msgs r >>| t) (return ())
 100
 101                 makeMsgs :: Int (Main (ByteCode () Stmt)) -> ([MTaskMSGSend], [(Int, Shared Int)])
 102                 makeMsgs timeout bc
 103                 # (msgs, st) = toMessages timeout (toRealByteCode (unMain bc))
 104                 = (msgs, map f st.sdss)
 105                         where
 106                                 f (i,d) = (i, sharedStore ("mTaskSDS-" +++ toString i) (dd d))
 107                                 dd [x,y] = toInt x*265 + toInt y
 108
 109                 updateSDSs :: [(Int, Shared Int)] (Shared [String]) MTaskMSGRecv -> Task ()
 110                 updateSDSs [(id, sh):xs] m n=:(MTPub i d)
 111                 | id == i = set ((toInt d.[0])*265 + toInt d.[1]) sh @! ()
 112                 = updateSDSs xs m n
 113                 updateSDSs _ m mtm = case mtm of
 114                         MTMessage s = upd (\l->take 5 [s:l]) m @! ()
 115                         mta=:(MTTaskAdded _) = upd (\l->take 5 [toString mta:l]) m @! ()
 116                         _ = return ()
 117
 118                 lens :: ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> ([String], [String])
 119                 lens (r,s,_) = (map toString r, map toString s)
 120
 121                 viewSh :: [(Int, Shared Int)] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
 122                 viewSh [] ch = return ()
 123                 viewSh [(i, sh):xs] ch
 124                 # sharename = "SDS-" +++ toString i
 125                 = (
 126                                 viewSharedInformation ("SDS-" +++ toString i) [] sh ||-
 127                                 forever (
 128                                         enterInformation sharename []
 129                                         >>* [OnAction ActionOk
 130                                                         (ifValue (\j->j>=1 && j <= 3)
 131                                                         (\c->set c sh
 132                                                                 >>= \_->sendMsg (toSDSUpdate i c) ch
 133                                                                 @! ()
 134                                                         )
 135                                                 )]
 136                                 )
 137                         ) ||- viewSh xs ch
 138
 139 sendMsg :: [MTaskMSGSend] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
 140 sendMsg m ch = upd (\(r,s,ss)->(r,s ++ m,True)) ch @! ()
 141
 142 syncSerialChannel :: String TTYSettings (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
 143 syncSerialChannel dev opts rw = Task eval
 144         where
 145                 eval event evalOpts tree=:(TCInit taskId ts) iworld=:{IWorld|world}
 146                 = case TTYopen dev opts world of
 147                         (False, _, world)
 148                         # (err, world) = TTYerror world
 149                         = (ExceptionResult (exception err), {iworld & world=world})
 150                         (True, tty, world)
 151                         # iworld = {iworld & world=world, resources=Just (TTYd tty)}
 152                         = case addBackgroundTask 42 (BackgroundTask (serialDeviceBackgroundTask rw)) iworld of
 153                                 (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
 154                                 (Ok _, iworld) = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=True} NoRep (TCBasic taskId ts JSONNull False), iworld)
 155
 156                 eval _ _ tree=:(TCBasic _ ts _ _) iworld
 157                 = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=False} NoRep tree, iworld)
 158
 159                 eval event evalOpts tree=:(TCDestroy _) iworld=:{IWorld|resources,world}
 160                 # (TTYd tty) = fromJust resources
 161                 # (ok, world) = TTYclose tty world
 162                 # iworld = {iworld & world=world,resources=Nothing}
 163                 = case removeBackgroundTask 42 iworld of
 164                         (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
 165                         (Ok _, iworld) = (DestroyedResult, iworld)
 166
 167 serialDeviceBackgroundTask :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) !*IWorld -> *IWorld
 168 serialDeviceBackgroundTask rw iworld
 169         = case read rw iworld of
 170                 (Error e, iworld) = abort "share couldn't be read"
 171                 (Ok (r,s,ss), iworld)
 172                 # (Just (TTYd tty)) = iworld.resources
 173                 # tty = writet (map encode s) tty
 174                 # (ml, tty) = case TTYavailable tty of
 175                         (False, tty) = ([], tty)
 176                         (_, tty)
 177                         # (l, tty) = TTYreadline tty
 178                         = ([decode l], tty)
 179                 # iworld = {iworld & resources=Just (TTYd tty)}
 180                 = case write (r++ml,[],False) rw iworld of
 181                         (Error e, iworld) = abort "share couldn't be written"
 182                         (Ok _, iworld) = case notify rw iworld of
 183                                 (Error e, iworld) = abort "share couldn't be notified"
 184                                 (Ok _, iworld) = iworld
 185         where
 186                 writet :: [String] -> (*TTY -> *TTY)
 187                 writet [] = id
 188                 writet [x:xs] = writet xs o TTYwrite x
 189
 190
 191 syncNetworkChannel :: String Int (Shared ([MTaskMSGRecv], [MTaskMSGSend], Bool)) -> Task ()
 192 syncNetworkChannel server port channel
 193         = tcpconnect server port channel {ConnectionHandlers|onConnect=onConnect,whileConnected=whileConnected,onDisconnect=onDisconnect} @! ()
 194         where
 195                 onConnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
 196                 onConnect _ (msgs,send,sendStopped)
 197                         = (Ok "", Just (msgs,[],sendStopped), map encode send, False)
 198
 199                 whileConnected :: (Maybe String) String ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
 200                 whileConnected Nothing acc (msgs,send,sendStopped)
 201                 = (Ok acc, Nothing, [], False)
 202 //              = (Ok acc, Just (msgs,[],sendStopped), map encode send, False)
 203
 204                 whileConnected (Just newData) acc (msgs,send,sendStopped)
 205                 | sendStopped = (Ok acc, Just (msgs ++ [decode newData],[],False), map encode send, False)
 206                 = (Ok acc, Just (msgs ++ [decode newData],[],False), [], False)
 207
 208                 onDisconnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool))
 209                 onDisconnect l (msgs,send,sendStopped) = (Ok l, Nothing)