1

self.logger.write_error("Welcome to the Beremiz Demo\n\n")            

     2

self.logger.write("This demo provides a PLC working with the CANopen plugin\n")

     3

self.logger.write("""Some external programs are also provided:\n

     4

- a CAN TCP server to simulate the CANopen network

     5

- a virtual slave node to simulate input block

     6

- a virtual slave node to simulate output block

     7

""")

     8

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"))

     9

#open_pdf(os.path.join(os.path.split(__file__)[0], "doc", "manual_beremiz.pdf"), pagenum=21)

    10

    11

if wx.Platform == '__WXMSW__':

    12

    self.listLaunchProg = [

    13

        {'name' : 'Can Tcp Server',

    14

         'command' : 'can_tcp_win32_server.exe',

    15

         'keyword' : 'Accepts',

    16

         'pid' : None,

    17

         'no_gui' : True}]

    18

else:

    19

    self.listLaunchProg = []

    20

    21

def my_methods(self): 

    22

    def _Run():        

    23

        # External programs list 

    24

        # Launch them and get their pid

    25

        for prog in self.listLaunchProg:

    26

            self.logger.write("Starting %s\n" % prog['name'])

    27

            prog['pid'] = ProcessLogger(self.logger, prog['command'], no_gui=prog['no_gui'])

    28

            prog['pid'].spin(

    29

                     timeout=200,

    30

                     keyword = prog['keyword'],

    31

                     kill_it = False)

    32

    33

        PluginsRoot._Run(self)

    34

    35

    def _Stop():

    36

        PluginsRoot._Stop(self)

    37

        for prog in self.listLaunchProg:

    38

            self.logger.write("Stopping %s\n" % prog['name'])

    39

            prog['pid'].kill()

    40

    41

    return _Run, _Stop

    42

    43

self._Run, self._Stop = my_methods(self)