author | Edouard Tisserant |
Tue, 30 Jan 2018 16:23:50 +0100 | |
changeset 1913 | 338e2f51b685 |
parent 1909 | bb883e063175 |
child 1918 | e7b6478b4ebc |
permissions | -rw-r--r-- |
1909
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# This file is part of Beremiz, a Integrated Development Environment for |
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival. |
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# |
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# Copyright (c) 2016 Mario de Sousa (msousa@fe.up.pt) |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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# This code is made available on the understanding that it will not be |
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# used in safety-critical situations without a full and competent review. |
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#dictionary implementing: |
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#key - string with the description we want in the request plugin GUI |
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#tuple - (modbus function number, request type, max count value, data_type, bit_size) |
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modbus_function_dict = {"01 - Read Coils" : ( '1', 'req_input', 2000, "BOOL", 1 , "Q", "X", "Coil"), |
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"02 - Read Input Discretes" : ( '2', 'req_input', 2000, "BOOL", 1 , "I", "X", "Input Discrete"), |
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"03 - Read Holding Registers" : ( '3', 'req_input', 125, "WORD", 16, "Q", "W", "Holding Register"), |
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"04 - Read Input Registers" : ( '4', 'req_input', 125, "WORD", 16, "I", "W", "Input Register"), |
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"05 - Write Single coil" : ( '5','req_output', 1, "BOOL", 1 , "Q", "X", "Coil"), |
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"06 - Write Single Register" : ( '6','req_output', 1, "WORD", 16, "Q", "W", "Holding Register"), |
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"15 - Write Multiple Coils" : ('15','req_output', 1968, "BOOL", 1 , "Q", "X", "Coil"), |
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"16 - Write Multiple Registers" : ('16','req_output', 123, "WORD", 16, "Q", "W", "Holding Register"), |
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} |
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def GetTCPServerNodePrinted(self, child): |
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""" |
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Outputs a string to be used on C files |
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params: child - the correspondent subplugin in Beremiz |
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""" |
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node_init_template = '''/*node %(locnodestr)s*/ |
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{"%(locnodestr)s", %(slaveid)s, {naf_tcp, {.tcp = {%(host)s, "%(port)s", DEF_CLOSE_ON_SILENCE}}}, -1 /* mb_nd */, 0 /* init_state */}''' |
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location = ".".join(map(str, child.GetCurrentLocation())) |
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host = child.GetParamsAttributes()[0]["children"][0]["value"] |
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port = child.GetParamsAttributes()[0]["children"][1]["value"] |
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slaveid = child.GetParamsAttributes()[0]["children"][2]["value"] |
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if host=="#ANY#": |
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host='INADDR_ANY' |
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else: |
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host='"'+host+'"' |
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#slaveid = child.GetParamsAttributes()[0]["children"][2]["value"] |
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#if int(slaveid) not in xrange(256): |
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#self.GetCTRoot().logger.write_error("Error: Wrong slave ID in %s server node\nModbus Plugin C code returns empty\n"%location) |
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#return None |
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node_dict = {"locnodestr" : location, |
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"host" : host, |
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"port" : port, |
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"slaveid" : slaveid, |
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} |
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return node_init_template % node_dict |
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def GetTCPServerMemAreaPrinted(self, child, nodeid): |
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""" |
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Outputs a string to be used on C files |
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params: child - the correspondent subplugin in Beremiz |
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nodeid - on C code, each request has it's own parent node (sequential, 0..NUMBER_OF_NODES) |
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It's this parameter. |
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return: None - if any definition error found |
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The string that should be added on C code - if everything goes allright |
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""" |
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request_dict = {} |
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request_dict["locreqstr"] = "_".join(map(str, child.GetCurrentLocation())) |
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request_dict["nodeid"] = str(nodeid) |
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request_dict["address"] = child.GetParamsAttributes()[0]["children"][2]["value"] |
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if int(request_dict["address"]) not in xrange(65536): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid Start Address in server memory area node %(locreqstr)s (Must be in the range [0..65535])\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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request_dict["count"] = child.GetParamsAttributes()[0]["children"][1]["value"] |
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if int(request_dict["count"]) not in xrange(1, 65536): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid number of channels in server memory area node %(locreqstr)s (Must be in the range [1..65536-start_address])\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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if (int(request_dict["address"]) + int(request_dict["count"])) not in xrange(1,65537): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid number of channels in server memory area node %(locreqstr)s (Must be in the range [1..65536-start_address])\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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return "" |
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104 |
modbus_serial_baudrate_list = ["110", "300", "600", "1200", "2400", "4800", "9600", "19200", "38400", "57600", "115200"] |
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105 |
modbus_serial_stopbits_list = ["1", "2"] |
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106 |
modbus_serial_parity_dict = {"none": 0, "odd": 1, "even": 2} |
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107 |
|
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108 |
|
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109 |
|
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110 |
def GetRTUSlaveNodePrinted(self, child): |
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111 |
""" |
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112 |
Outputs a string to be used on C files |
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113 |
params: child - the correspondent subplugin in Beremiz |
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114 |
""" |
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115 |
node_init_template = '''/*node %(locnodestr)s*/ |
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116 |
{"%(locnodestr)s", %(slaveid)s, {naf_rtu, {.rtu = {"%(device)s", %(baud)s /*baud*/, %(parity)s /*parity*/, 8 /*data bits*/, %(stopbits)s, 0 /* ignore echo */}}}, -1 /* mb_nd */, 0 /* init_state */}''' |
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117 |
|
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118 |
location = ".".join(map(str, child.GetCurrentLocation())) |
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119 |
device = child.GetParamsAttributes()[0]["children"][0]["value"] |
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120 |
baud = child.GetParamsAttributes()[0]["children"][1]["value"] |
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121 |
parity = child.GetParamsAttributes()[0]["children"][2]["value"] |
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122 |
stopbits = child.GetParamsAttributes()[0]["children"][3]["value"] |
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123 |
slaveid = child.GetParamsAttributes()[0]["children"][4]["value"] |
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124 |
|
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125 |
node_dict = {"locnodestr" : location, |
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"device" : device, |
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127 |
"baud" : baud, |
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128 |
"parity" : modbus_serial_parity_dict[parity], |
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"stopbits" : stopbits, |
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"slaveid" : slaveid |
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131 |
} |
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132 |
return node_init_template % node_dict |
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133 |
|
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134 |
|
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135 |
|
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136 |
|
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137 |
|
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138 |
def GetRTUClientNodePrinted(self, child): |
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139 |
""" |
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140 |
Outputs a string to be used on C files |
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141 |
params: child - the correspondent subplugin in Beremiz |
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142 |
""" |
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143 |
node_init_template = '''/*node %(locnodestr)s*/ |
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144 |
{"%(locnodestr)s", {naf_rtu, {.rtu = {"%(device)s", %(baud)s /*baud*/, %(parity)s /*parity*/, 8 /*data bits*/, %(stopbits)s, 0 /* ignore echo */}}}, -1 /* mb_nd */, 0 /* init_state */, %(coms_period)s /* communication period */}''' |
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145 |
|
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146 |
location = ".".join(map(str, child.GetCurrentLocation())) |
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147 |
device = child.GetParamsAttributes()[0]["children"][0]["value"] |
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148 |
baud = child.GetParamsAttributes()[0]["children"][1]["value"] |
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149 |
parity = child.GetParamsAttributes()[0]["children"][2]["value"] |
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150 |
stopbits = child.GetParamsAttributes()[0]["children"][3]["value"] |
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151 |
coms_period = child.GetParamsAttributes()[0]["children"][4]["value"] |
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152 |
|
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153 |
node_dict = {"locnodestr" : location, |
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154 |
"device" : device, |
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155 |
"baud" : baud, |
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156 |
"parity" : modbus_serial_parity_dict[parity], |
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157 |
"stopbits" : stopbits, |
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158 |
"coms_period" : coms_period |
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159 |
} |
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160 |
return node_init_template % node_dict |
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161 |
|
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162 |
|
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163 |
|
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164 |
|
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165 |
def GetTCPClientNodePrinted(self, child): |
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166 |
""" |
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167 |
Outputs a string to be used on C files |
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168 |
params: child - the correspondent subplugin in Beremiz |
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169 |
""" |
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|
170 |
node_init_template = '''/*node %(locnodestr)s*/ |
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171 |
{"%(locnodestr)s", {naf_tcp, {.tcp = {"%(host)s", "%(port)s", DEF_CLOSE_ON_SILENCE}}}, -1 /* mb_nd */, 0 /* init_state */, %(coms_period)s /* communication period */, 0 /* prev_error */}''' |
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172 |
|
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173 |
location = ".".join(map(str, child.GetCurrentLocation())) |
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|
174 |
host = child.GetParamsAttributes()[0]["children"][0]["value"] |
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|
175 |
port = child.GetParamsAttributes()[0]["children"][1]["value"] |
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176 |
coms_period = child.GetParamsAttributes()[0]["children"][2]["value"] |
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|
177 |
|
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178 |
node_dict = {"locnodestr" : location, |
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179 |
"host" : host, |
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180 |
"port" : port, |
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181 |
"coms_period" : coms_period |
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182 |
} |
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183 |
return node_init_template % node_dict |
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184 |
|
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185 |
|
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186 |
|
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187 |
|
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|
188 |
def GetClientRequestPrinted(self, child, nodeid): |
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189 |
""" |
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190 |
Outputs a string to be used on C files |
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191 |
params: child - the correspondent subplugin in Beremiz |
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192 |
nodeid - on C code, each request has it's own parent node (sequential, 0..NUMBER_OF_NODES) |
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193 |
It's this parameter. |
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194 |
return: None - if any definition error found |
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195 |
The string that should be added on C code - if everything goes allright |
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196 |
""" |
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197 |
|
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198 |
req_init_template = '''/*request %(locreqstr)s*/ |
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199 |
{"%(locreqstr)s", %(nodeid)s, %(slaveid)s, %(iotype)s, %(func_nr)s, %(address)s , %(count)s, |
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200 |
DEF_REQ_SEND_RETRIES, 0 /* error_code */, 0 /* prev_code */, {%(timeout_s)d, %(timeout_ns)d} /* timeout */, |
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201 |
{%(buffer)s}, {%(buffer)s}}''' |
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202 |
|
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203 |
timeout = int(child.GetParamsAttributes()[0]["children"][4]["value"]) |
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204 |
timeout_s = int(timeout / 1000) |
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205 |
timeout_ms = timeout - (timeout_s * 1000) |
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206 |
timeout_ns = timeout_ms * 1000000 |
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207 |
|
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208 |
request_dict = {} |
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209 |
|
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request_dict["locreqstr" ] = "_".join(map(str, child.GetCurrentLocation())) |
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request_dict["nodeid" ] = str(nodeid) |
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request_dict["slaveid" ] = child.GetParamsAttributes()[0]["children"][1]["value"] |
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request_dict["address" ] = child.GetParamsAttributes()[0]["children"][3]["value"] |
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request_dict["count" ] = child.GetParamsAttributes()[0]["children"][2]["value"] |
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request_dict["timeout" ] = timeout |
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request_dict["timeout_s" ] = timeout_s |
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request_dict["timeout_ns"] = timeout_ns |
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request_dict["buffer" ] = ",".join(['0'] * int(child.GetParamsAttributes()[0]["children"][2]["value"])) |
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request_dict["func_nr" ] = modbus_function_dict[child.GetParamsAttributes()[0]["children"][0]["value"]][0] |
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request_dict["iotype" ] = modbus_function_dict[child.GetParamsAttributes()[0]["children"][0]["value"]][1] |
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request_dict["maxcount" ] = modbus_function_dict[child.GetParamsAttributes()[0]["children"][0]["value"]][2] |
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222 |
|
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if int(request_dict["slaveid"]) not in xrange(256): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid slaveID in TCP client request node %(locreqstr)s (Must be in the range [0..255])\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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if int(request_dict["address"]) not in xrange(65536): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid Start Address in TCP client request node %(locreqstr)s (Must be in the range [0..65535])\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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if int(request_dict["count"]) not in xrange(1, 1+int(request_dict["maxcount"])): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid number of channels in TCP client request node %(locreqstr)s (Must be in the range [1..%(maxcount)s])\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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if (int(request_dict["address"]) + int(request_dict["count"])) not in xrange(1,65537): |
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self.GetCTRoot().logger.write_error("Modbus plugin: Invalid number of channels in TCP client request node %(locreqstr)s (start_address + nr_channels must be less than 65536)\nModbus plugin: Aborting C code generation for this node\n"%request_dict) |
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return None |
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235 |
|
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return req_init_template % request_dict |