Fixed bug : Segmentation fault or locks when stop PLC if no CAN network.
self.logger.write_error("Welcome to the Beremiz Demo\n\n")
self.logger.write("This demo provides a PLC working with the CANopen plugin\n")
self.logger.write("""Some external programs are also provided:\n
- a CAN TCP server to simulate the CANopen network
- a virtual slave node to simulate input block
- a virtual slave node to simulate output block
""")
self.logger.write("\nInfo: For this demo, %s plugin has some special methods to run external programs.\nThese methods are defined in methods.py\n" % (PlugName or "Root"))
#open_pdf(os.path.join(os.path.split(__file__)[0], "doc", "manual_beremiz.pdf"), pagenum=21)
if wx.Platform == '__WXMSW__':
self.listLaunchProg = [
{'name' : 'Can Tcp Server',
'command' : 'can_tcp_win32_server.exe',
'keyword' : 'Accepts',
'pid' : None,
'no_gui' : True}
]
def my_methods(self):
def _Run():
# External programs list
# Launch them and get their pid
for prog in self.listLaunchProg:
self.logger.write("Starting %s\n" % prog['name'])
prog['pid'] = ProcessLogger(self.logger, prog['command'], no_gui=prog['no_gui'])
prog['pid'].spin(
timeout=200,
keyword = prog['keyword'],
kill_it = False)
PluginsRoot._Run(self)
def _Debug():
# External programs list
# Launch them and get their pid
for prog in self.listLaunchProg:
self.logger.write("Starting %s\n" % prog['name'])
prog['pid'] = ProcessLogger(self.logger, prog['command'], no_gui=prog['no_gui'])
prog['pid'].spin(
timeout=200,
keyword = prog['keyword'],
kill_it = False)
PluginsRoot._Debug(self)
def _Stop():
PluginsRoot._Stop(self)
for prog in self.listLaunchProg:
self.logger.write("Stopping %s\n" % prog['name'])
prog['pid'].kill()
return _Run, _Stop, _Debug
self._Run, self._Stop, self._Debug = my_methods(self)