Solutions

How do I create a Connext DDS application with RTI Code Generator and build it on my embedded target with an Arm CPU?

This article describes the procedure to build and run Code Generator ( rtiddsgen ) examples directly on an embedded target. We will use a Raspberry Pi for this example, but the procedure is similar for other embedded targets. In order to build directly on the target, the target must include a ...
irwin
Thu, 07/23/2020 - 14:18
4973 reads — 3 comments

Using RTI Connext DDS on the NVIDIA Jetson Nano

Preface: The vast majority of this article was extracted from a White Paper that RTI's Don Gochenour originally authored. Don is a Senior Application Engineer with extensive knowledge in embedded systems and RTI's products. Don is located on the East coast of the US. Introduction This content piece ...
garyb
Wed, 07/22/2020 - 17:26
4321 reads — 0 comments

Improve performance accessing types containing sequences and arrays in RTI Connector

Due to the way in which RTI Connector handles data internally, some applications may suffer slower performance when using types that contain sequences. This is a known issue and is tracked internally in CON-42 . More specifically, this issue is seen when setting or getting a type that contains a ...
samr
Tue, 06/02/2020 - 06:30
4107 reads — 4 comments

Java JIT and RTI Connext DDS Java Application Real-Time Pitfalls

The Java JIT compiler is discussed in the following article: https://www.ibm.com/support/knowledgecenter/en/SSYKE2_8.0.0/com.ibm.java.vm.80.doc/docs/jit_overview.html As the article says, “The Just-In-Time (JIT) compiler is a component of the runtime environment that improves the performance of ...
irwin
Mon, 05/11/2020 - 14:19
1806 reads — 0 comments

Threading model when using Asynchronous Publishing

Using Connext DDS Professional, it is possible to configure your application such that the sending of a sample in calls like FooDataWriter_write is done by a separate thread (by default, the sending occurs in the thread calling to FooDataWriter_write ). This is accomplished using the Asynchronous ...
samr
Wed, 05/06/2020 - 00:13
3471 reads — 0 comments

Using your own QoS profile in RTI Admin Console

RTI Admin Console uses several non-default QoS settings when interacting with Topics that are used to communicate with other RTI products. The out-of-the-box settings attempt to satisfy the majority of use cases customers have with other configurations, but sometimes it is necessary to change these ...
jcpulido
Mon, 05/04/2020 - 04:16
24978 reads — 1 comment

Why do I get a PreconditionNotMetError when using plain_cast with FlatData?

The function plain_cast allows casting a buffer of bytes within a FlatData sample into a C++ instance of the type represented by that buffer. This allows for better performance and ease of use. However, for plain_cast to work, the data sample must meet a number of restrictions that essentially ...
jcpulido
Wed, 04/29/2020 - 03:13
2395 reads — 0 comments

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