Summary This FAQ describes few tips related to I2C peripheral on STM32 devices. 1. I2C Hardware 1.1 Signal integrity The I2C IO pins must be configured as open drain mode. The logic high level is driven by external pull-up resistor. Typical value of...
1. Introduction It is very common to have multiple GPIOs used as External Interrupt (EXTI) sources in an embedded system. But how to manage them in an application code? This is exactly what is going to be covered in this article. 2. Prerequisites Har...
1. Introduction The PSSI which stands for Parallel synchronous slave interface and was introduced in our high performance STM32H7 family. The PSSI can be used as a fast interface between two STM32 microcontrollers or between an STM32 and an MPU or FP...
Introduction When a specific STM32 part number selected for a project is not available in the desired time frame, it is essential to find a compatible alternative. This article guides you through the process of using STM32CubeMX to identify and confi...
Introduction A typical question new STM32 users ask is what are the preferred IDEs for developing and debugging application code. There are a variety of IDEs available that support the STM32. The most used are STs STM32CubeIDE, Visual Studio Code wit...
Baby Detector is an application developed to sense the presence of babies in a small environment. The idea is to face the problem of babies forgotten inside cars, that can lead to their death especially on hot summer days. The core elements of the sy...
1. Introduction and theory When running instance of FreeRTOS on each core, we can implement inter-process communication (IPC) using FreeRTOS message buffers as described here:https://www.freertos.org/2020/02/simple-multicore-core-to-core-communicatio...
In NanoEdge AI Studio v3, sensor data can be imported either from file, or "live" from a data logger via serial (USB) port. In both cases, the data format is the same. There are 3 cases to distinguish, depending on which project type is selected in ...
To make TraceX automatically fetch information, we can create a batchfile and run it with the debug session of the STM32CubeIDE Goal: Add TraceX support to STM32CubeIDE using X-CUBE-AZRTOS-H7 and make it acquire the buffer automaticallyAlthough the e...
Most of the alternate functions on STM32 Microcontrollers can be remapped to other GPIOs. Refer to the product's datasheet for the alternate function mapping options available. 1. Remap an alternate function from one GPIO to another Let's see how we ...
Introduction Selecting the right STM32 microcontroller for your application can be a challenging task, especially when faced with a wide range of part numbers and features. To simplify this process, this article helps users effectively compare differ...
The STM32H7 products are part of the most powerful STM32 and bring many new features and capabilities. The drawback is the increase of the complexity of the system. Many resources are available on the ST community but also on the net to help you. The...
What are the most important information to know about LoRa communication?What are the resources offered by ST and dedicated to the development of LoRa solutions? This FAQ concerns the LoRa communication, this tutorial contains the basic information t...
1. What is FSMC FSMC is a parallel line interface used to connect microcontrollers to external memories (like NAND/NOR Flash etc) and transfer data at high speed, it is used in applications that require to process a large amount of data. 2. Why to u...
Let's look at the following aspects in more detail: 1. HW considerations2. Start-up configuration3. Software4. Summary (TL;DR) 1. HW considerations Datasheet and other documentation Please always refer to: the datasheet for electrical and mechanical ...
Summary This article details the Bluetooth LE packet formats for different applications from IoT to Automotive. 1. Link layer packet format 1.1 Bluetooth LE Protocol stack The Bluetooth LE protocol stack is composed by a Host and a Controller layer ...
What is STM32GDB? How to find support document on GDB This article lists all the resources providing info on GDB debugging Cube IDE Information Center In CubeIDE click menu: Help > Information CenterThe CUBE IDE Information center gives acces...
This article describes how to import CA certificates into JRE truststore when using Linux, but the same approach applies to macOS, just with slightly different paths. 1. Background The JRE, Java Runtime Environment, bundled with STM32CubeIDE only co...
0. Introduction Light up your LED in 30 seconds with 3 methods ( A Step By Step Tutorial )This article is authored by RT-Thread, an ST Approved Partner 1. Install IDE RT-Thread delivers a one-stop & free-to-use IDE RT-Thread Studio [http://bit.ly/2G...
What is the state after reset of STM32H7 analog switches between Pxy_C and Pxy pins/balls?The Reference Manual RM0399 Rev 3 (page 584) gives a figure as the one below, but not all Pxy_C and Pxy are accessible depending on the STM32H7 package. The de...
