Texas Instruments Corporation

Subhajit Paul

Shravan Karthik

Nikhil Nandkishor Devshatwar

Santhana Bharathi N

A fail-safe system for a cluster application is disclosed. The system includes a first subsystem comprising a graphic processing unit (GPU) that executes a high-level operating system renders a first set of parameter data, and a second subsystem that executes a real-time operating system and renders a second set of parameter data. The system also includes a controller area network connected to a parameter data source input and to the first subsystem and the second subsystem. The system further includes a quality of service (QoS) switch executing a QoS monitor module that decides to display the first set of parameter data being rendered by the first subsystem or the second set of parameter data being rendered by the second subsystem depending on an availability and load of the first subsystem as determined by a lag and a stability threshold. The system further includes a display connected to the QoS switch.

Cluster system with fail-safe fallback mechanism

A method for implementing a full sweep in a digital instrument cluster system without a graphical processing unit (GPU) is disclosed. The method includes displaying a static asset as background for displaying of dynamic assets that point to different position values on the static asset, sequentially retrieving each of a plurality of subsets of dynamic assets such that each subset provides position indicators with a different level of position granularity, wherein an order of retrieving each subset moves from a lowest granularity subset to a highest granularity subset until all of the plurality of subsets of dynamic assets have been retrieved, and performing a full sweep, prior to retrieving of the dynamic assets, by sequentially displaying the dynamic assets from a minimum position to a maximum position of the static asset, and back, the sequentially displaying being based on a highest available granularity of dynamic assets that have been retrieved.

GPU-less instrument cluster system with full asset sweep

A method that simulates effects of displaying assets using a graphical processing unit (GPU) is provided. The method includes extracting preprocessed assets, the assets having been preprocessed offline to provide simulated GPU graphical effects, isolating dynamic assets from static assets from the preprocessed assets, calculating a bounding-box for each of the dynamic assets, alpha-blending the static assets, alpha-blending the dynamic assets, and rendering the static assets and the dynamic assets to separate display layers at different frequencies.

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Bengaluru, India

Subhajit Paul