After re-programming STM32H7 device, I can’t connect to the device. Connect under reset doesn’t help. Why?There are two possible root causes, that can cause this issue. First one is more probable and is related to power supply misconfiguration. And s...
Summary This article shows how to implement inter-processor communication between CM7 and CM4 cores on the STM32H7 series using the hardware semaphore (HSEM). If you're looking for inter-processor communication using two SPIs or OpenAMP, we have art...
Summary This article shows how to implement inter-processor communication between CM7 and CM4 cores on the STM32H7 series, which also targets the basics on how to set up the debugger, relies on two SPIs to externally transfer data as if they were co...
Introduction In this article, we cover the steps needed to use the Register callback's feature in STM32. The NUCLEO-H503RB (with an STM32H503RBT6 microcontroller) board is used, but the steps can be easily tailored to another MCU. All the implement...
Introduction Dead battery configuration control (DBCCx) pins play a crucial role in USB Type-C® applications to manage scenarios where the device's main power source is unavailable (dead battery). These pins, used with configuration channel (CC) pin...
Introduction Since CMSIS V 5.8.0, the CMSIS-DSP libraries are supplied as an individual package. The advantage is to decouple the release cycles of DSP from the CMSIS-Core stuff. As a side-effect, the DSP libraries structure was changed and the step...
Introduction It is very common for HMI-of-Things applications to have the capability to control and display data between a user and the machine. Such applications require the ability to interface with external memory such as SDRAM that is used as fra...
Summary The article offers an in-depth demonstration of incorporating the X-CUBE-MEMS1 software package into an STM32CubeIDE project, tailored specifically for the B-U585I-IOT02A board with its onboard ISM330DHCX accelerometer. Introduction T...
Summary This article presents a tutorial on how to implement the USB Device CDC in the STM32 using the Azure USBX package. Azure USBX is an RTOS USB embedded stack developed by Microsoft® that offers a wide range of classes to be implemented both fo...
Summary This article shows how to integrate a library, in the form of an achieve file (*.a) in your project, so you can use the functions of the library with a simple header file. Introduction A library can be defined as a set of nonvolatile resour...
Summary This article presents a step-by-step tutorial on how to develop a USB device with dual CDC ACM in the STM32F7 microcontroller using the classic USB library. The tutorial is based on NUCLEO-F767 and can be easily tailored to any other STM32. ...
Introduction This article guides you on how to perform CoreMark® benchmarks on an STM32H5 microcontroller. For this article, we use a NUCLEO-H563ZI board, which has an STM32H563ZIT6 MCU that integrates an Arm® Cortex® M33 CPU. This code can be easily...
Introduction NAND flash is a type of nonvolatile memory that retains data even when powered off, unlike RAM. This makes it ideal for storing information in portable devices like USB drives and smartphones. NAND flash offers several advantages: it is ...
Summary In this article, we learn how to configure the FMC peripheral of the STM32 to interface with the NOR flash PC28F128M29EWLA from Micron® Introduction In embedded systems, NOR flash stands out for its speed and reliability. Unlike other flash m...
Introduction This article guides you on how to perform Dhrystone tests on an STM32L5 microcontroller. For this article, we use a NUCLEO-L552ZE-Q board, which has an STM32L552ZET6QU MCU that integrates an Arm® Cortex® M33 CPU. This code can be easily ...
Summary Our STM32Cube_FW_H5 package contains several UDP application examples that can be of great help. This article provides a detailed guide on how to develop an application using NetXDuo and benefit from TrustZone® isolation and security featur...
What are the recommended steps to take when reviewing my custom STM32 schematic design? In this two-part article we will cover several main areas of focus when conducting a self-review of a custom STM32 schematic and share some hardware debugging ti...
To answer the questions like "Is my ST-Link/V2 genuine? Where to find a genuine ST-Link/V2? Why my device isn't recognized?" and other related ones, please refer to the following: Where to find a genuine ST-Link/V2 ST-Link official in-circuit debugge...
How does the event flag work on STM32?GOAL:The purpose of this article is to provide a brief explanation with a working example of how to implement and use the Event Flag resources. Although the example is using the STM32G474 Discovery kit, you can a...
How to Set USB CDC Line Coding?1. What is Line coding? Line coding is used to transfer parameters of UART interface, which is emulated using USB CDC - Virtual COM port. In STM32 legacy USB library is line coding handled in file usbd_cdc_if.c, functio...