Differences
This shows you the differences between two versions of the page.
|
sdk:scripts:opcua-write [2015/07/07 06:58] moll created |
sdk:scripts:opcua-write [2022/09/05 12:12] (current) schmitt |
||
|---|---|---|---|
| Line 2: | Line 2: | ||
| <code c opcua-write.are> | <code c opcua-write.are> | ||
| - | /* DESC: This script will write a new Value to a Node at a OPC-UA-Server. | + | /* DESC: This script will write a new value to a node at a OPC-UA server. |
| - | * Copyright (C) 2012 NetModule AG | + | * Copyright (C) 2015 NetModule AG, Switzerland |
| */ | */ | ||
| - | void usage () { | + | void usage () |
| - | printf("usage: opcua-write.are <opcuaserver> <nodeIndex> <nodeId> <newValue>\n"); | + | { |
| + | printf("usage: opcua-write.are <server> <port> <node-index> <node-id> <new-value>\n"); | ||
| exit(1); | exit(1); | ||
| } | } | ||
| Line 15: | Line 16: | ||
| } | } | ||
| - | opcuaserver = argv[1]; | + | server = argv[1]; /* hostname or address */ |
| - | nodeIndex = (int) argv[2]; | + | port = (int) argv[2]; /* TCP port */ |
| - | nodeId = (int) argv[3]; | + | nindex = (int) argv[3]; /* node index (e.g. 0) */ |
| - | newValue = (int) argv[4]; | + | nid = (int) argv[4]; /* node id (e.g. 85 = root) */ |
| + | value = argv[5]; /* new value */ | ||
| - | client_0 = nb_opcua_connect(opcuaserver); | + | url = sprintf("opc.tcp://%s:%d", server, port); |
| - | if(client_0 >= 0) { | + | |
| - | ret = nb_opcua_write(client_0, nodeIndex, nodeId, newValue); | + | client = nb_opcua_connect(url); |
| - | if(ret < 0) { | + | if (client < 0) { |
| - | printf("could not change value of Node Index: %d, Id: %d \n",nodeIndex, nodeId); | + | printf("unable to connect to %s", url); |
| - | } else { | + | exit(0); |
| - | printf("succesfully connected and changed to value to %d\n", ret); | + | } |
| - | } | + | |
| - | nb_opcua_disconnect(client_0); | + | ret = nb_opcua_write(client, nindex, nid, value); |
| + | |||
| + | if (ret < 0) { | ||
| + | printf("unable to write value of node %d:%d", nindex, nid); | ||
| } else { | } else { | ||
| - | printf("could not connect to server %s\n", opcuaserver); | + | printf("node %d:%d has been written", nindex, nid); |
| } | } | ||
| + | |||
| + | nb_opcua_disconnect(client); | ||
| exit(0); | exit(0); | ||
| + | |||
| </code> | </code> | ||