DaimlerChrysler takes new route to dash design: News from I-Logix Europe

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The use of Statemate with MicroC Code Generator successfully led to the design of a new instrument cluster for the Chrysler 300 and Dodge Magnum product lines. The new instrument cluster, introduced this month as a standard feature of all 2005 models, contains an optional 4-line dot matrix reconfigurable display capable of exhibiting approximately 150 screens in five different languages and will serve as the information centre for drivers providing real time information about performance, security and safety. This redesign is a part of a broad new initiative starting with the Chrysler 300 and Dodge Magnum that focuses on improving Chrysler Group design quality, maintainability, and reusability.

"I, like many other engineering managers, had initial reservations about using autocode generators because it is a relatively new technology surrounded by misconceptions", said Robert Randel, DaimlerChrysler Supervisor for Behavioural Modelling and Software for Driver Information Systems.

"Now, having seen the improvements to code quality, cost benefits, and the effect on developer productivity I am convinced that anyone who specifies the behaviour of an embedded electronic module can no longer afford to ignore the tremendous benefits of model-driven development and autocode capabilities like those that I-Logix provides".

This is the first time that Chrysler Group has used an end-to-end tool chain; from model development using Statemate, to producing 100% of the final code with MicroC Code Generator.

Prior to using I-Logix tools, Chrysler Group would write the software code by hand, then compile and test using an emulator.

With Statemate and MicroC Code Generator, Chrysler Group now has unparalleled code coverage ensuring component behaviour matches requirements before the first prototype is built, while reducing time to market and simultaneously reducing overall development costs.

"The instrument cluster is more complex than anything of its kind previously developed at Chrysler Group", said Robert Randel, Chrysler Group Supervisor for Behavioural Modelling and Software for Driver Information Systems.

"Incorporating such a high level of functionality in to this instrument cluster without Statemate's behaviour modelling capabilities and the 100% autocode capabilities of MicroC Code Generator would have been significantly more challenging".

Chrysler Group cited reuse of production quality code as a key benefit of its partnership with I-Logix.

Recently reorganised business units aim to reduce redundant workloads and create a new development structure where the models created for this project will serve as the base for all Chrysler Group vehicles moving forward.

This new framework will encompass a core model common to all vehicles generated using Statemate, then enhanced with additional features exclusive to the automobile class.

Test and validation is ensured through the implementation of Statemate behaviour models that can be simulated, turned around, and emailed to other team members increasing communication and overall quality.

"Chrysler Group's successful use of Statemate and MicroC Code Generator serves as an example of the tremendous benefit derived from coupling these two best in class solutions", said Neeraj Chandra, I-Logix Senior Vice President of Marketing and Corporate Development.

"Creating an end-to-end embedded development toolchain enables our customers to truly capitalise on their model-driven design investments and receive the maximum return on investment".

Statemate is a comprehensive systems engineering modelling and validation solution incorporating simulation, rapid prototyping, formal verification-based testing and template-based documentation to produce an executable specification.

The Statemate MicroC Code Generator allows users to automatically convert the formal Statemate model into high quality code for software developers.

The software creates a virtual prototype for operation on a host workstation or PC, or code that runs on a target test bench system.

This provides a rapid route to virtual and embedded prototyping that dramatically accelerates the prototyping process.

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