Category Archives: Peripherals Tool

MCUXpresso tutorial: I2C using the Pins/Clocks/Peripherals Config tools and lpcxpresso55s69 SDK

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I selected the Bosch BME280 environmental sensor as the heart of my OKdo E1-based weather station. It is convenient to use, and I can prototype with the Mikroe Weather Click board MIKROE-1978. But the sensor is accessed over I2C, and that is my least favourite of the communication interfaces. In this short tutorial, I show you how the MCUXpresso Config tools (Pins, Clocks, Peripherals) are used to set up the I2C driver from the MCUXpresso lpcxpresso55S69 SDK. And very quickly, I am able to communicate with the BME280 sensor.

Reading BME280 “ID” register via I2C
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MCUXpresso IDE V11.1.0

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Right before Christmas 2019, NXP has released a new version of the MCUXpresso IDE, the version 11.1.0. This gave me time to explore it over the Christmas/New-Year break and evaluate it for the next university semester. There are several new features which will make my labs using it easier, so I plan to get the course material updated for it.

MCUXpresso IDE V11.1.0 Welcome Screen

MCUXpresso IDE V11.1.0 Welcome Screen

After the break you will find the highlights …

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New NXP MCUXpresso IDE V10.3.0 Release

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Friday this week NXP has released a new version of their flagship IDE: the MCUXpresso IDE V10.3.0. The version number indicates an incremental update from the earlier V10.2.1,  but there are many exciting features and new features which make me switch my lecture material to this new IDE for the next semester.

MCUXpresso IDE V10.3.0

MCUXpresso IDE V10.3.0

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Tutorial: Using Runtime Statistics with Amazon FreeRTOS V10

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FreeRTOS includes a nice feature to give me information about how much time every task is spending running on the system:

FreeRTOS Runtime Information

FreeRTOS Runtime Information

This tutorial explains that FreeRTOS Runtime Statistics feature and how it can be turned on and used.

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Eclipse MCUXpresso IDE 10.1 with integrated MCUXpresso Configuration Tools

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Back in March 2017, NXP had rolled the MCUXpresso IDE starting with Version 10.0.0. With the intent to unify the SDK, LPCXpresso, CodeWarrior, Kinetis Design Studio and Processor Expert into one unified and integrated set of tools. V10.0.0 was a good start. The MCUXpresso IDE V10.0.2 in July was more of a smaller update, and the Pin and Clock configuration tools were not integrated, no added tool for peripheral configuration.

A week ago the MCUXpresso V10.1.0 has been released which shows where the journey is going: an free-of-charge and code size unlimited Eclipse based integrated set of tools to configure, build and debug Cortex-M (Kinetis, LPC and i.MX RT) microcontroller/processor based applications.

Clock Tool inside MCUXpresso IDE

Clock Tool inside MCUXpresso IDE

I have used it for a week, and although many things are still new, I thought I’m able to give an overview about what is new.

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