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Controlling NXP Freedom Board RGB LED with openHAB and Raspberry Pi
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 “xx” I have explored how to connect a NXP Freedom Board over USB CDC …...
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First NXP Kinetis SDK Release: SDK V2.0 with Online On-Demand Package Builder
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...
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openHAB RGB LED Light Cube with WS2812B and NXP Kinetis
From my earlier work to use the NXP Kinetis with openHAB (see “Controlling NXP Freedom Board RGB LED with openHAB and Raspberry Pi“) it was only a small step to control a 20x20x20 cm light cube with...
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Tutorial: Bare-Metal Shell for Kinetis
I have been asked to provide a command line shell example for a bare-metal (no RTOS) application, so here we go! Having a way to communicate to the firmware on a board is essential for most of my...
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FatFS with Adafruit MicroSD Breakout Board and NXP FRDM-KL25Z
Breakout boards are great: they allow me to explore functions quickly, without to build my custom board: all what I need is some wires and ideally a bread board. Here is how I wire the Adafruit Micro...
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Bricking and Recovering OpenSDA Boards in Windows 8 and 10
Getting a board from a distributor like Farnell/Element14/Mouser (add your own distributor) means that chances are high that the default firmware on it is written years from now because the inventory...
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DIY USB HID Joystick Device and Game Controller
For many projects it would be cool to build a custom USB Joystick device, either as custom game controller for Windows or any USB host which can be used with a USB Joystick. Instead buying one, why not...
View ArticleBlack Magic Open Source Debug Probe for ARM with Eclipse and GDB
The ‘Black Magic Probe’ (or in short: BMP) is a very small and open source JTAG/SWD debug probe with a build-in GDB Server. I saw that probe referenced in different places, so I thought I try it out...
View ArticleOpenOCD with MCU-Link
The NXP MCU-Link is a powerful $10 debug probe for ARM Cortex-M devices and works with the NXP LinkServer for debugging. The LinkServer does not an implement a gdb server, so it limits its usage e.g....
View ArticleRecovering Cortex-M Microcontroller with a Power Glitch
If a Cortex microcontroller is unresponsive to a debug connection for various reasons, then this trick might help to recover that device for you. All you need is a debug probe from PEMICRO and a...
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