Changeset 361:297b84854dfc for src/mlx

Timestamp:

12/14/12 18:39:04 (12 years ago)

Author:

István Váradi <ivaradi@…>

Branch:

default

Phase:

public

Message:

In case of the DA F70 the transponder is considered to be turned on automatically, so it is checked differently: it should be on not later than 10 seconds after liftoff (#144)

Location:

src/mlx

Files:

• checks.py (modified) (1 diff)
• fs.py (modified) (1 diff)
• fsuipc.py (modified) (2 diffs)

src/mlx/checks.py

@@ -1070 +1070 @@
 class TransponderChecker(PatientFaultChecker):
     """Check if the transponder is used properly."""
-    def isCondition(self, flight, aircraft, oldState, state):
-        """Check if the fault condition holds."""
+    def __init__(self):
+        """Construct the transponder checker."""
+        super(TransponderChecker, self).__init__()
+        self._liftOffTime = None
+
+    def isCondition(self, flight, aircraft, oldState, state):
+        """Check if the fault condition holds."""
+        if state.onTheGround:
+            self._liftOffTime = None
+        elif self._liftOffTime is None:
+            self._liftOffTime = state.timestamp
+
         return state.xpdrC is not None and \
                ((state.xpdrC and flight.stage in
                  [const.STAGE_BOARDING, const.STAGE_PARKING]) or \
-                (not state.xpdrC and flight.stage in
-                 [const.STAGE_TAKEOFF, const.STAGE_RTO, const.STAGE_CLIMB,
-                  const.STAGE_CRUISE, const.STAGE_DESCENT,
-                  const.STAGE_LANDING, const.STAGE_GOAROUND]))
+                (not state.xpdrC and
+                 (flight.stage in
+                  [const.STAGE_CRUISE, const.STAGE_DESCENT,
+                   const.STAGE_LANDING, const.STAGE_GOAROUND] or \
+                  ((not state.autoXPDR or \
+                    (self._liftOffTime is not None and
+                     state.timestamp > (self._liftOffTime+8))) and \
+                   flight.stage in
+                   [const.STAGE_TAKEOFF, const.STAGE_RTO, const.STAGE_CLIMB])
+                  )
+                 )
+                )
 
     def logFault(self, flight, aircraft, logger, oldState, state):

src/mlx/fs.py

@@ -250 +250 @@
     - xpdrC: a boolean indicating whether the transponder is in C mode, or
       None, if the state cannot be read properly
+    - autoXPDR: a boolean indicating whether the transponder is turned on
+      automatically if the aircraft becomes airborne
     - apMaster: a boolean indicating whether the autopilot is switched on, or
       None, if the state cannot be read properly

src/mlx/fsuipc.py

@@ -1394 +1394 @@
 
         state.xpdrC = data[self._monidx_xpdrC]==0
+        state.autoXPDR = False
 
         state.apMaster = data[self._monidx_apMaster]!=0
@@ -1792 +1793 @@
         state.landingLightsOn = None
         state.nav2_manual = aircraft.flight.stage!=const.STAGE_CRUISE
+        self.autoXPDR = True
 
         return state