The rush of .NET activity this year largely obscured the fact that Microsoft formally launched its .NET Micro Framework, which targets devices sensor nodes, health monitoring equipment, remote controls and robotics.
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Advances for this framework have continued, with a Service Pack release earlier this year. Meanwhile, microcontroller manufacturers Atmel Corp.and NXP Semiconductors have subsequently ported the framework to their ARM processor lines.
Last month, EmbeddedFusion began to offer versions of its CPUs that can directly execute the Microsoft Intermediate Language, or MSIL. Such advances could lead to expansion within the ranks of embedded designers, as an army of Visual Studio developers using a subset of C# libraries can now program a certain class of devices. Using the .NET Micro Framework, according to EmbeddedFusion, means there is no need for low level assembly language or other proprietary languages.
We caught up via e-mail with Microsoft's Jonathon Kagle, senior program manager, and asked about the role of the .NET Micro Framework.
"The .NET Micro Framework is a complementary solution for low-end embedded devices too resource-constrained to run other Microsoft embedded platforms. It enables Microsoft to enter new embedded vertical [markets]," Kagle wrote.
In September, Microsoft released the .NET Micro Framework 2.0 Service Pack 1. The pack helps developers prevent unsigned firmware or application code from being installed on a device. That is useful because, with software on devices in the field, there is always the chance that it can be hacked, reverse-engineered, and so on.
"The .NET Micro Framework includes a flash memory management tool called MFDeploy that can be used to copy the .NET Micro Framework firmware and software applications to devices, and to optionally sign code to prevent the deployment of unauthorized software to devices," Kagle said.
Besides improved firmware control, SP1 also lets developers generate bitmap fonts for applications, for more flexibility in interface design and better localization support.