Cycleloop does not raise Exception, run_plc accept debug flag.

User has to use maxioerrors = n, if the program should crash on process
image errors.
If the ProcimgWriter helper is running but get no new data for 2500 ms,
the cycleloop will print just a warning. Cycle function is paused for
that time. Most interesting for RevPi NET classes.

revpimodio2/__init__.py

@@ -16,13 +16,13 @@ __all__ = [
     "RevPiModIO", "RevPiModIODriver", "RevPiModIOSelected", "run_plc",
     "RevPiNetIO", "RevPiNetIODriver", "RevPiNetIOSelected",
     "Cycletools", "EventCallback",
-    "AIO", "DI", "DO", "DIO",
+    "AIO", "COMPACT", "DI", "DO", "DIO",
 ]
 __author__ = "Sven Sager <akira@revpimodio.org>"
 __copyright__ = "Copyright (C) 2020 Sven Sager"
 __license__ = "LGPLv3"
 __name__ = "revpimodio2"
-__version__ = "2.5.3a"
+__version__ = "2.5.3b"
 
 # Global package values
 OFF = 0
@@ -96,7 +96,7 @@ def consttostr(value) -> str:
 
 
 # Benötigte Klassen importieren
-from .pictory import AIO, DI, DO, DIO
+from .pictory import AIO, COMPACT, DI, DO, DIO
 from .helper import Cycletools, EventCallback
 from .modio import RevPiModIO, RevPiModIODriver, RevPiModIOSelected, run_plc
 from .netio import RevPiNetIO, RevPiNetIODriver, RevPiNetIOSelected

revpimodio2/modio.py

@@ -741,12 +741,18 @@ class RevPiModIO(object):
             while ec is None and not cycleinfo.last:
                 # Auf neue Daten warten und nur ausführen wenn set()
                 if not self._imgwriter.newdata.wait(2.5):
-                    self.exit(full=False)
-                    if self._imgwriter.is_alive():
-                        e = RuntimeError("no new io data in cycle loop")
-                    else:
+                    if not self._imgwriter.is_alive():
+                        self.exit(full=False)
                         e = RuntimeError("autorefresh thread not running")
-                    break
+                        break
+
+                    # Just warn, user has to use maxioerrors to kill program
+                    warnings.warn(RuntimeWarning(
+                        "no new io data in cycle loop for 2500 milliseconds"
+                    ))
+                    cycleinfo.last = self._exit.is_set()
+                    continue
+
                 self._imgwriter.newdata.clear()
 
                 # Vor Aufruf der Funktion autorefresh sperren
@@ -1336,7 +1342,9 @@ class RevPiModIODriver(RevPiModIOSelected):
         )
 
 
-def run_plc(func, cycletime=50, replace_io_file=None):
+def run_plc(
+        func, cycletime=50, replace_io_file=None, debug=True,
+        procimg=None, configrsc=None):
     """
     Run Revoluton Pi as real plc with cycle loop and exclusive IO access.
 
@@ -1344,17 +1352,27 @@ def run_plc(func, cycletime=50, replace_io_file=None):
     handle the program exit signal. You will access the .io, .core, .device
     via the cycletools in your cycle function.
 
-    Shortcut vor this source code:
-        rpi = RevPiModIO(autorefresh=True, replace_io_file=replace_io_file)
+    Shortcut for this source code:
+        rpi = RevPiModIO(autorefresh=True, replace_io_file=..., debug=...)
         rpi.handlesignalend()
         return rpi.cycleloop(func, cycletime)
 
     :param func: Function to run every set milliseconds
     :param cycletime: Cycle time in milliseconds
     :param replace_io_file: Load replace IO configuration from file
+    :param debug: Print all warnings and detailed error messages
+    :param procimg: Use different process image
+    :param configrsc: Use different piCtory configuration
+
     :return: None or the return value of the cycle function
     """
-    rpi = RevPiModIO(autorefresh=True, replace_io_file=replace_io_file)
+    rpi = RevPiModIO(
+        autorefresh=True,
+        replace_io_file=replace_io_file,
+        debug=debug,
+        procimg=procimg,
+        configrsc=configrsc,
+    )
     rpi.handlesignalend()
     return rpi.cycleloop(func, cycletime)
 

setup.py

@@ -17,7 +17,7 @@ setup(
 
     license="LGPLv3",
     name="revpimodio2",
-    version="2.5.3a",
+    version="2.5.3b",
 
     packages=["revpimodio2"],
     python_requires="~=3.2",