PX-HER0 Board

by Piconomix

The expert field guide to embedded ARM systems

View all updates Oct 21, 2020

FreeRTOS blinking LED with Segger SystemView

by Pieter C

FreeRTOS is a real-time operating system distributed freely under the MIT license with a growing set of IoT libraries for embedded devices and has been ported to 35 microcontroller platforms.

Included with release 0.9.3 of px-lib is a complete FreeRTOS blinking LED example for the PX-HER0 board. The doc page is HERE.

The example is instrumented for Segger SystemView to give amazing graphical insight in the working of the RTOS kernel and your tasks. Segger SystemView requires a J-Link Debug Probe e.g. J-Link EDU Mini to download the real-time data, but if you don’t have one handy, don’t fret. You can still use the Segger SystemView GUI to open and view the captured log file (download HERE).


About the Author

Pieter C

pieterconradie  ·   Cape Town, South Africa

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Product Choices


PX-HER0 Board

One PX-HER0 board.



From the Crowd Supply Basics project.

A standalone debugging and programming mini probe by ST for STM32 microcontrollers. The JTAG/SWD interfaces can communicate with any target STM32 microcontroller. A virtual COM port interface allows the host PC to communicate with the target microcontroller through one UART. STDC14-to-STDC14 flat cable included. USB Type-A to Micro-B cable not included.



PICONOMIX was formed out of my desire to share knowledge, expertise and tools with our open community of engineers, scientists and makers.

Pieter Conradie



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