70 # configured in the loaded PLC (i.e. the .so file loaded into memory) |
70 # configured in the loaded PLC (i.e. the .so file loaded into memory) |
71 # Each entry will be a dictionary. See _AddWebNode() for the details |
71 # Each entry will be a dictionary. See _AddWebNode() for the details |
72 # of the data structure in each entry. |
72 # of the data structure in each entry. |
73 _WebNodeList = [] |
73 _WebNodeList = [] |
74 |
74 |
|
75 |
|
76 |
|
77 class MB_StopBits(annotate.Choice): |
|
78 _choices = [0, 1, 2] |
|
79 |
|
80 def coerce(self, val, configurable): |
|
81 return int(val) |
|
82 def __init__(self, *args, **kwargs): |
|
83 annotate.Choice.__init__(self, choices = self._choices, *args, **kwargs) |
|
84 |
|
85 |
|
86 class MB_Baud(annotate.Choice): |
|
87 _choices = [110, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200] |
|
88 |
|
89 def coerce(self, val, configurable): |
|
90 return int(val) |
|
91 def __init__(self, *args, **kwargs): |
|
92 annotate.Choice.__init__(self, choices = self._choices, *args, **kwargs) |
|
93 |
|
94 |
|
95 class MB_Parity(annotate.Choice): |
|
96 # Warning: do _not_ name this variable choice[] without underscore, as that name is |
|
97 # already used for another similar variable by the underlying class annotate.Choice |
|
98 _choices = [ 0, 1, 2 ] |
|
99 _label = ["none", "odd", "even"] |
|
100 |
|
101 def choice_to_label(self, key): |
|
102 #_plcobj.LogMessage("Modbus web server extension::choice_to_label() " + str(key)) |
|
103 return self._label[key] |
|
104 |
|
105 def coerce(self, val, configurable): |
|
106 """Coerce a value with the help of an object, which is the object |
|
107 we are configuring. |
|
108 """ |
|
109 # Basically, make sure the value the user introduced is valid, and transform |
|
110 # into something that is valid if necessary or mark it as an error |
|
111 # (by raising an exception ??). |
|
112 # |
|
113 # We are simply using this functions to transform the input value (a string) |
|
114 # into an integer. Note that although the available options are all |
|
115 # integers (0, 1 or 2), even though what is shown on the user interface |
|
116 # are actually strings, i.e. the labels), these parameters are for some |
|
117 # reason being parsed as strings, so we need to map them back to an |
|
118 # integer. |
|
119 # |
|
120 #_plcobj.LogMessage("Modbus web server extension::coerce " + val ) |
|
121 return int(val) |
|
122 |
|
123 def __init__(self, *args, **kwargs): |
|
124 annotate.Choice.__init__(self, |
|
125 choices = self._choices, |
|
126 stringify = self.choice_to_label, |
|
127 *args, **kwargs) |
75 |
128 |
76 |
129 |
77 |
130 |
78 # Parameters we will need to get from the C code, but that will not be shown |
131 # Parameters we will need to get from the C code, but that will not be shown |
79 # on the web interface. Common to all modbus entry types (client/server, tcp/rtu/ascii) |
132 # on the web interface. Common to all modbus entry types (client/server, tcp/rtu/ascii) |
99 RTUclient_parameters = [ |
152 RTUclient_parameters = [ |
100 # param. name label ctype type annotate type |
153 # param. name label ctype type annotate type |
101 # (C code var name) (used on web interface) (C data type) (web data type) |
154 # (C code var name) (used on web interface) (C data type) (web data type) |
102 # (annotate.String, |
155 # (annotate.String, |
103 # annotate.Integer, ...) |
156 # annotate.Integer, ...) |
104 ("device" , _("Serial Port") , ctypes.c_char_p, annotate.String), |
157 ("device" , _("Serial Port") , ctypes.c_char_p, annotate.String ), |
105 ("baud" , _("Baud Rate") , ctypes.c_int, annotate.Integer), |
158 ("baud" , _("Baud Rate") , ctypes.c_int, MB_Baud ), |
106 ("parity" , _("Parity") , ctypes.c_int, annotate.Integer), |
159 ("parity" , _("Parity") , ctypes.c_int, MB_Parity ), |
107 ("stop_bits" , _("Stop Bits") , ctypes.c_int, annotate.Integer), |
160 ("stop_bits" , _("Stop Bits") , ctypes.c_int, MB_StopBits ), |
108 ("comm_period" , _("Invocation Rate (ms)") , ctypes.c_ulonglong, annotate.Integer) |
161 ("comm_period" , _("Invocation Rate (ms)") , ctypes.c_ulonglong, annotate.Integer) |
109 ] |
162 ] |
110 |
163 |
111 TCPserver_parameters = [ |
164 TCPserver_parameters = [ |
112 # param. name label ctype type annotate type |
165 # param. name label ctype type annotate type |
121 RTUslave_parameters = [ |
174 RTUslave_parameters = [ |
122 # param. name label ctype type annotate type |
175 # param. name label ctype type annotate type |
123 # (C code var name) (used on web interface) (C data type) (web data type) |
176 # (C code var name) (used on web interface) (C data type) (web data type) |
124 # (annotate.String, |
177 # (annotate.String, |
125 # annotate.Integer, ...) |
178 # annotate.Integer, ...) |
126 ("device" , _("Serial Port") , ctypes.c_char_p, annotate.String), |
179 ("device" , _("Serial Port") , ctypes.c_char_p, annotate.String ), |
127 ("baud" , _("Baud Rate") , ctypes.c_int, annotate.Integer), |
180 ("baud" , _("Baud Rate") , ctypes.c_int, MB_Baud ), |
128 ("parity" , _("Parity") , ctypes.c_int, annotate.Integer), |
181 ("parity" , _("Parity") , ctypes.c_int, MB_Parity ), |
129 ("stop_bits" , _("Stop Bits") , ctypes.c_int, annotate.Integer), |
182 ("stop_bits" , _("Stop Bits") , ctypes.c_int, MB_StopBits ), |
130 ("slave_id" , _("Slave ID") , ctypes.c_ulonglong, annotate.Integer) |
183 ("slave_id" , _("Slave ID") , ctypes.c_ulonglong, annotate.Integer) |
131 ] |
184 ] |
|
185 |
|
186 |
132 |
187 |
133 |
188 |
134 # Dictionary containing List of Web viewable parameters |
189 # Dictionary containing List of Web viewable parameters |
135 # Note: the dictionary key must be the same as the string returned by the |
190 # Note: the dictionary key must be the same as the string returned by the |
136 # __modbus_get_ClientNode_addr_type() |
191 # __modbus_get_ClientNode_addr_type() |
494 _SetPLCConfiguration(WebNode_id, SavedConfig) |
553 _SetPLCConfiguration(WebNode_id, SavedConfig) |
495 WebNode_entry["WebviewConfiguration"] = SavedConfig |
554 WebNode_entry["WebviewConfiguration"] = SavedConfig |
496 |
555 |
497 # Define the format for the web form used to show/change the current parameters |
556 # Define the format for the web form used to show/change the current parameters |
498 # We first declare a dynamic function to work as callback to obtain the default values for each parameter |
557 # We first declare a dynamic function to work as callback to obtain the default values for each parameter |
|
558 # Note: We transform every parameter into a string |
|
559 # This is not strictly required for parameters of type annotate.Integer that will correctly |
|
560 # accept the default value as an Integer python object |
|
561 # This is obviously also not required for parameters of type annotate.String, that are |
|
562 # always handled as strings. |
|
563 # However, the annotate.Choice parameters (and all parameters that derive from it, |
|
564 # sucn as Parity, Baud, etc.) require the default value as a string |
|
565 # even though we store it as an integer, which is the data type expected |
|
566 # by the set_***() C functions in mb_runtime.c |
499 def __GetWebviewConfigurationValue(ctx, argument): |
567 def __GetWebviewConfigurationValue(ctx, argument): |
500 return _GetWebviewConfigurationValue(ctx, WebNode_id, argument) |
568 return str(_GetWebviewConfigurationValue(ctx, WebNode_id, argument)) |
501 |
569 |
502 webFormInterface = [(name, web_dtype (label=web_label, default=__GetWebviewConfigurationValue)) |
570 webFormInterface = [(name, web_dtype (label=web_label, default=__GetWebviewConfigurationValue)) |
503 for name, web_label, c_dtype, web_dtype in WebNode_entry["WebParamList"]] |
571 for name, web_label, c_dtype, web_dtype in WebNode_entry["WebParamList"]] |
504 |
572 |
505 # Configure the web interface to include the Modbus config parameters |
573 # Configure the web interface to include the Modbus config parameters |