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ARM chooses Freescale TCP/IP software for mbed OS

16 Sep 2015  | Vivek Nanda

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ARM is using Freescale Semiconductor's FNET software as the TCP/IP stack in ver. 3 of its mbed OS to deliver connectivity capabilities to the platform. What this means is that when deployed on Freescale's Kinetis microcontrollers or i.MX processors, you can bypass low-level software tasks to spend time instead on higher-level development, such as user-experience enhancement.

"Wireless connectivity, combined with TCP/IP, is the lifeblood of the Internet of Things, and Freescale's FNET TCP/IP software will serve as the connectivity heart of the ARM mbed OS architecture," said Zach Shelby, VP of marketing, IoT business, ARM, in a press release.

Freescale Freedom-K64F

Figure 1: Freescale's Freedom-K64F development platform works with the company's Kinetis K64, K63, and K24 MCUs.

Freescale has also collaborated with ARM to design an mbed-based cloud connected IoT edge device. It combines the Freescale Freedom FRDM-CR20A evaluation board, a 802.15.4 radio, and the Freescale Freedom-K64F platform with a Kinetis K64F microcontroller. The mbed OS runs on the Kinetis MCU, as does the mbed Thread low-power mesh wireless connectivity stack. The new platform represents the first instantiation of a broad-based IoT solution combining sensors, wireless connectivity and microcontrollers with the mbed OS.

In a press release, Geoff Lees, senior VP and GM for Freescale's MCU group said, "Freescale's broad portfolio of sensors, Kinetis MCUs and i.MX processors work seamlessly with the mbed OS, resulting in a truly comprehensive hardware/software platform for the Internet of Things."

ARM is expected to release beta versions of the device connector and client, Device Server 2.5 and mbed TLS 2.1.0 in the coming days. mbed comprises the following parts:

  • mbed OS.
  • mbed Device Connector, an online service that allows developers to connect IoT devices to the cloud without building their own infrastructure.
  • mbed Device Server, a middleware that connects IoT devices to web applications, allowing ARM's partners to deploy services.
  • mbed TLS, delivered under the Apache 2.0 licence, makes it easier to include cryptographic and SSL/TLS capabilities.
  • mbed Client, which allows devices not based on mbed to connect to mbed Device Connector and mbed Device Server. It implements a subset of mbed OS functionality.

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