Category: ExecutionPlatform
This article describes how automatic tests for the SPI communication of a STM32 look in practice. SPI is a widely used in embedded systems. For example a sensor might be connected to the MCU with SPI. In this case,... [...]
1 March 2023
Category: ExecutionPlatform
Imagine the following scenario: You need to create a highly precise pulse on a microcontroller GPIO pin. The pulse needs to be within 1% of the desired value. This article shows you, how to compare two variations of a... [...]
5 September 2022
Category: ExecutionPlatform
Open Loop Tests have the potential to revolutionise firmware development.
This article describes a technical approach to implementing such tests.
Curious readers can
9 August 2022
Category: ExecutionPlatform
Testing of embedded firmware is too complicated. An enormous amount of resources are required for a system test that does not detect enough errors. Open loop testing can solve this problem. With embedded firmware,... [...]
6 July 2022
Category: C++ on Embedded, ExecutionPlatform
Most developers are familiar with the term undefined behaviour. But the fact that this can quickly lead to very subtle deviations in off-target behaviour is not as well... [...]
21 July 2020
Category: ExecutionPlatform
Your testing may result in a purely “perceived security”. This article demonstrates the key technical reasons for differences between the on-target and off-target... [...]
8 July 2020
Category: C++ on Embedded, ExecutionPlatform
Surprisingly, we found a bug, just by executing the existing unit tests on an actual embedded target. This post describes how we found the bug, details the technical reasons behind it, and analyzes the implications for... [...]
1 June 2020
Category: ExecutionPlatform
Trigonometric functions are often used in time critical calculations. It is important to measure your implementation because there are several pitfalls you may run into when doing floating point... [...]
27 May 2020
Category: ExecutionPlatform
How long will this function take to execute on our target hardware? This article introduces a free service to answer this question in a convenient way.... [...]
31 May 2019