An Indian outsourcer is touting a Linux-based software reference design aimed at industrial applications requiring cellular connectivity. Larson & Toubro Infotech (L&T Infotech) said it can build MMIs (man-machine interfaces) quickly on top of its Linux-based MMI platform.

L&T operates as the computer services subsidiary of a large Indian construction company. It said its MMI software reference design includes:

• Application manager for “application life cycle” (launch, suspend, resume, and stop)
• Event manager — registers and propagates events to applications, and offers an interface for inter-application communication
• ESWT (embedded standard widget toolkit) implemented in C++
• UI manager — helps developers manage application windows
• SQLite open source database

L&T has demonstrated its MMI stack on a Freescale i.MX31 development board, it said — probably refering to a hardware design marketed last year as a smart phone reference platform by GDA, an electronic design company with 350 employees that L&T acquired last month. The demonstration reportedly included an MP4 media player, picture view, Sokoku game, phonebook, Bluetooth vcard and JPEG file transfers, and GSM calling.

A.M. Naik, chairman, stated, “This combination of GDA's board and chip-level complex engineering expertise and L&T's middleware and higher-layer software services provides our customers with complete solutions.”

Availability

L&T's Linux-based MMI interface appears to be available now as a hardware/software reference design for industrial applications requiring cellular communications.

GDA's i.MX31-based board was also used previously in a “print quality” camera demonstration.

 
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