kill all orphans and widows

[phd-thesis.git] / top / lst / example.icl

diff --git a/top/lst/example.icl b/top/lst/example.icl
index 7d15baa..d1f6222 100644 (file)
--- a/top/lst/example.icl
+++ b/top/lst/example.icl
@@ -19,39 +19,54 @@ autoHome = withDevice arduino \dev1-> /*\label{lst:example:conn1}*/
        >>* [OnAction (Action "Shutdown") (always (shutDown 0))]/*\label{lst:example:task2}\label{lst:example:par2}*/
 
 chooseTask :: MTDevice MTDevice (SharedTaskList ()) -> Task ()/*\label{lst:example:ct1}*/
-chooseTask dev1 dev2 stl = tune (Title "Run a task")
-       $            enterChoice [] (zip2 [0..] (map fst tasks))
-                       <<@ Hint "Choose a task"
-       >>? \(i, n)->enterChoice [] ["arduino", "node"]
+chooseTask dev1 dev2 stl = tune (Title "Run a task") $
+       enterChoice [] (zip2 [0..] (map fst tasks)) <<@ Hint "Choose a task"
+       >>? \(i, n)->enterChoice [] ["arduino", "node"]/*\label{lst:example:selectdev}*/
                        <<@ Hint "Which device?"
        >>? \device->appendTask Embedded (mkTask n i device) stl
        >-| chooseTask dev1 dev2 stl
 where
-       mkTask n i device stl
-               # dev = if (device == "node") dev2 dev1
-               = ((snd (tasks !! i) $ dev)
-                       >>* [OnAction ActionClose $ always $ return ()]) <<@ Title n/*\label{lst:example:ct2}*/
+       mkTask n i device stl = ((snd (tasks !! i) $ dev)
+               >>* [OnAction ActionClose $ always $ return ()]) <<@ Title n/*\label{lst:example:ct2}*/
+       where dev = if (device == "node") dev2 dev1
 
 tasks :: [(String, MTDevice -> Task ())]/*\label{lst:example:tasks1}*/
 tasks =
        [ ("temp", \dev->
-               liftmTask ( DHT (DHT_DHT (DigitalPin D6) DHT22) \dht->
-                           {main=temperature dht}) dev
+               liftmTask (DHT (DHT_DHT (DigitalPin D6) DHT22) \dht->
+                          {main=temperature dht}
+                       ) dev
                >&> \t->viewSharedInformation
-                       [ViewAs \i->toString (fromMaybe 0.0 i) +++ "C"] t
-                       <<@ Hint "Current Temperature"
-               @! ())
-       , ("lightswitch", \dev->
+                               [ViewAs \i->toString (fromMaybe 0.0 i) +++ "C"] t
+                       <<@ Hint "Current Temperature" @! ())
+       , ("lightswitch", \dev-> /*\label{lst:example:ls1}*/
                withShared False \sh->
                            liftmTask (lightswitch sh) dev
-                       -|| updateSharedInformation [] sh <<@ Hint "Switch")
-       , ("factorial", \dev->
-                           updateInformation [] 5 <<@ Hint "Factorial of what?"
+                       -|| updateSharedInformation [] sh <<@ Hint "Switch")/*\label{lst:example:ls2}*/
+       , ("remote computation", \dev->
+                       updateInformation [] 5 <<@ Hint "Factorial of what?"
                >>? \i->liftmTask (factorial i) dev
-               >>- \r->viewInformation [] r <<@ Hint "Result"
-               @! ())
+               >>- \r->viewInformation [] r <<@ Hint "Result" @! ())
        ]
 
-factorial i = {main=rtrn (lit i)}
-blink d = {main=writeD (lit d) (lit True)}
-lightswitch sh = {main=rtrn (lit ())}
+factorial :: Int -> Main (MTask v Int) | mtask v
+factorial i =
+       fun \fac=(\i->If (i ==. lit 0) (lit 1) (i *. fac (i -. lit 1)))
+       In {main=rtrn (fac (lit i))}
+blink :: Int -> Main (MTask v ()) | mtask v
+blink d =
+       declarePin D13 PMOutput \d13->
+       fun \bl=(\st->
+                    writeD d13 st
+               >>|. delay (lit d)
+               >>|. bl (Not st))
+       In {main=bl true}
+lightswitch :: (Shared sds Bool) -> Main (MTask v ()) | lowerSds, mtask v & RWShared sds & TC (sds () Bool Bool)
+lightswitch sh =
+       declarePin D13 PMOutput \d13->
+       lowerSds \ls=sh
+       In fun \f=(\st->
+                    getSds ls
+               >>*. [IfValue ((!=.)st) (\v->writeD d13 v)]
+               >>|. f (Not st))
+       In {main=f true}