Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
<?xml version='1.0' encoding='utf-8'?>
<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
<variables>
<variable name="Test_Python_Var" type="INT" initial="4"/>
<variable name="Second_Python_Var" type="INT" initial="5"/>
</variables>
<globals>
<xhtml:p><![CDATA[
import time,sys,ctypes
Python_to_C_Call = PLCBinary.Python_to_C_Call
Python_to_C_Call.restype = ctypes.c_int
Python_to_C_Call.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_int)]
def MyPythonFunc(arg):
i = ctypes.c_int()
if(Python_to_C_Call(arg, i)):
res = i.value
print "toC:", arg, "from C:", res, "FBID:", FBID
else:
print "Failed Python_to_C_Call failed"
res = None
print "Python read PLC global :",PLCGlobals.Test_Python_Var
PLCGlobals.Second_Python_Var = 789
sys.stdout.flush()
return res
async_error_test_code = """
def badaboom():
tuple()[0]
import wx
def badaboomwx():
wx.CallAfter(badaboom)
from threading import Timer
a = Timer(3, badaboom)
a.start()
b = Timer(6, badaboomwx)
b.start()
"""
]]></xhtml:p>
</globals>
<init>
<xhtml:p><![CDATA[
global x, y
x = 2
y = 5
print "py_runtime init:", x, ",", y
]]></xhtml:p>
</init>
<cleanup>
<xhtml:p><![CDATA[
print "py_runtime cleanup"
]]></xhtml:p>
</cleanup>
<start>
<xhtml:p><![CDATA[
global x, y
print "py_runtime start", x * x + y * y
]]></xhtml:p>
</start>
<stop>
<xhtml:p><![CDATA[
print "py_runtime stop"
]]></xhtml:p>
</stop>
</PyFile>