Tag Archives: KL25Z Freedom Board

Everything around the KL25Z Freedom Board (FRDM-KL25Z)

First NXP Kinetis SDK Release: SDK V2.0 with Online On-Demand Package Builder

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There are plenty of different software packages available for microcontroller these days from all the silicon vendors. Finding a good software package is one challenge, getting what I really need is another one. Freescale is now part of NXP since December 2015, so this is probably the first release of the former Freescale part now as NXP: The NXP Kinetis SDK Version 2.0.

It comes with an interesting distribution way: instead of downloading huge packages with all-and-everything in it, I can build it ‘on demand’ online and get what I need, on demand from a web-based front end:

NXP Kinetis Expert with Kinetis SDK

NXP Kinetis Expert with Kinetis SDK

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Controlling NXP Freedom Board RGB LED with openHAB and Raspberry Pi

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In “Blinky LED with openHAB on Raspberry Pi” I have used openHAB on a Raspberry Pi to control an LED attached to the Pi, and in “Controlling NXP Freedom Board RGB LED with openHAB and Raspberry Pi” I have explored how to connect a NXP Freedom Board over USB CDC to the Raspberry Pi. In this article I’m going to combine both: to control the LED on a NXP Freedom board remotely with openHAB on the Raspberry Pi.

ColorPicker with openHAB and FRDM-KL25Z

ColorPicker with openHAB and FRDM-KL25Z

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Debug Multiple Boards with GDB at the Same Time

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Many times it is very useful to debug multiple boards at the same time. For example if I’m debugging a communication stack between two boards: that way I can debug the protocol on both sides. Eclipse is a great framework which allows that. This post shows how to debug multiple boards (e.g. the NXP Freedom boards) in parallel from the same Eclipse IDE using GDB and the Segger J-Link:

Two NXP Freedom Boards debugged at the same time

Two NXP Freedom Boards debugged at the same time

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A Raspberry Pi for $5! What are your decision factors?

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It it is obvious that a new trend from the US is swapping over to Europe and probably the rest of the world: Black Friday. That is the day yesterday following Thanksgiving day in the United States. It is a ‘shopping’ day. Consequently, the stores are battling with huge discounts. And I use that  to fill up my inventory for the Christmas-time projects 🙂 What caught my attention yesterday Friday was this: a Raspberry Pi Zero for US$5!!!!

Raspberry Pi Zero

Raspberry Pi Zero (Picture: Adafruit)

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Zumo Robots at Maker Faire in Rome (16. – 18. Oct. 2015)

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I won’t be able to attend the Maker Faire in Rome (16. – 18. Oct. 2015). But five of the Sumo bots students from the previous semesters have built and programmed will be there.

Sumo Robots

Sumo Robots

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Programming Kinetis with CodeWarrior from the DOS Shell

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In “CodeWarrior Flash Programming from a DOS Shell” I showed how to program a device from the DOS shell. Because that example was for ColdFire and CodeWarrior for MCU10.2, here is the same for a Kinetis (FRDM-KL25Z) and CodeWarrior for MCU10.6. In my workspace (c:\tmp\wsp_10.6) I have a project folder (FRDM-KL25Z).

I’m using the ‘Flash Programmer’ to sneak the needed commands:

Sneaking Commands from Flasher

Sneaking Commands from Flasher

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Using the Freescale Freedom (FRDM-KL43Z) to Debug other Boards

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In “Unboxing the Freescale FRDM-KL43Z Board” I was using the FRDM-KL43Z board the first time. The FRDM-KL43Z board has an on-board debug interface (Kinetis K20, OpenSDA). In this post I show how to use the FRDM-KL43Z board to debug another ARM board.

FRDM-KL43Z Board debugging custom (tinyK20) Board

FRDM-KL43Z Board debugging custom (tinyK20) Board

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Unboxing the Freescale FRDM-KL43Z Board

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I’m preparing for the next semester at the university starting in September this year. As part of that, I’m currently evaluating the Freescale Kinetis FRDM-KL43Z board:

FRDM-KL43Z Board Unpacked

FRDM-KL43Z Board Unpacked

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Freescale Freedom Board Tutorials on Element14

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I have found several excellent tutorials created by Bheema Rao on element14: He uses many of the McuOnEclipse components, features Kinetis Design Studio/Eclipse and shows how to use the Kinetis SDK, toggling/dimming LED’s on Freescale Freedom Boards.

element14

element14

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Let’s play with Freescale FRDM-K64F

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Hello Again!

In my previous blog I talked about the new getting started process for Kinetis FRDM-K64F development board. Here I am with my next blog going one step further and introducing you to the target application that I have planned for this summer using the awesome FRDM K-64 development board from Freescale. I am planning to work on some really cool stuff that we can do from this board. And I came up with an idea for making an Adafruit NeoPixel NeoMatrix Signboard!!adafruit LED

Wait….does it sound boring to you? Nah… we are not planning some ordinary signboard. This Adafruit NeoPixel NeoMatrix signboard is really cool. It will display what you want to display and it will change the displayed text with just the movement of your hand. Sounds interesting now?? Continue reading →