C

How to Filter Samples using RTI Connext DDS Micro

Differences between Filtering Data using RTI Connext DDS Professional and RTI Connext DDS Micro There are several differences when using RTI Connext DDS Professional and RTI Connext DDS Micro; one of them is how to filter the samples that the subscriber will receive. RTI Connext DDS Professional ...
manuelBaena
Fri, 10/27/2017 - 03:03
4549 reads — 0 comments

Recording Topics from RTI Connext DDS Micro applications with RTI Recording Service

This solution describes steps to configure RTI Recording Service to record topics published by RTI Connext DDS Micro for post data-analysis and debugging. RTI Connext DDS Micro provides a small-footprint modular messaging solution for resource-limited devices. It supports a subset of the standard ...
Ashish
Mon, 12/09/2013 - 08:26
7486 reads — 0 comments

How do I access an element in a sequence of complex types using dynamic data?

Note: This solution applies to RTI Connext 4.x. and above. This solution explains how to access members of a complex type (e.g.: struct) contained in a sequence using DynamicData If a type is defined as follows: struct Nested { long x; }; struct Hello { sequence<Nested, 3> mySeq; }; The steps ...
Juanjo Martin
Tue, 04/16/2013 - 07:33
5513 reads — 0 comments

How do I send strings with non-English characters (UTF-8, unicode, etc.) over DDS?

Note: This solution applies to RTI Data Distribution Service 4.x. and above. Regular strings in RTI Connext DDS consist of single-byte characters. Hence, only US-ASCII characters can be represented in a string. Characters for other languages, such as Greek, Cyrillic, Coptic, Armenian, Hebrew, ...
belen
Fri, 03/22/2013 - 04:37
10032 reads — 2 comments

Why shouldn't I use DDS_String_dup() to initialize string data?

Note: This solution applies to RTI Data Distribution Service 4.x. The description in this FAQ only applies to data instances that are allocated with FooTypeSupport::create_data(), which pre-allocates the strings. (It does not apply to situations in which the data instance is allocated on the stack ...
Victor
Wed, 01/30/2013 - 17:09
12834 reads — 0 comments

Why do I get a content filter compile error?

You might see the following messages in the DDS log. PRESParticipant_createContentFilteredTopicPolicy:content filter compile error 1 or PRESParticipant_createContentFilteredTopicPolicy:content filter compile error 2 Although the compile() function considers these messages real errors, they are not ...
alex
Thu, 01/17/2013 - 12:55
5679 reads — 1 comment

How do I convert a double type to a RTICdrLongLong type ?

Suppose you have a local variable in your application that is declared as a double (that is, a long long variable declared within an IDL file), and you try to cast it to a RTICdrLongLong variable, like this: double doubleLocalVar = 0; /* Main loop */ for (count=0; (sample_count==0) || (count< ...
gianpiero
Thu, 01/17/2013 - 12:41
3874 reads — 0 comments

How do I eliminate the long startup delay on some VxWorks targets with no file system?

Note: Applies to RTI Connext 4.x and above. RTI Connext calls fopen() to load the default XML and NDDS_DISCOVERY_PEERS files if they exist. On some VxWorks targets that either have no file system or use NFS, FTP, or some other network-based file system, and the file system is not mounted, RTI ...
ken
Thu, 01/17/2013 - 12:10
4621 reads — 0 comments

Why does rtiddsgen require a C preprocessor for its code generation? Why does rtiddsgen try to locate cc1plus?

Before processing an IDL file, rtiddsgen attempts to run a C preprocessor to support #if tests and related preprocessor directives. There are several options you can pass to rtiddsgen to control preprocessor use, including: -ppDisable (formerly -ppNotRun ) : Don't use the C preprocessor -ppPath : ...
alex
Thu, 01/17/2013 - 12:07
3886 reads — 0 comments

Why do I get "fatal error C1083: Cannot open compiler generated file" when using Visual Studio?

Note: Applies to RTI Connext 4.x and above. When using Visual Studio to build the project files generated by rtiddsgen, you may see the following error message: [source file name]:fatal error C1083: Cannot open compiler generated file:[object file name] is generated. The error is due to the fact ...
vishal
Thu, 01/17/2013 - 11:43
40403 reads — 0 comments

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