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...
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 ...
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...
The problem is related to two things: memory layout on STM32H7 and internal data cache (D-Cache) of the Cortex-M7 core. In summary these can be the possible issues: Memory placed in DTCM RAM for D1/D2 peripherals. Unfortunately this memory is used a...
This article explores the methods of safeguarding your code from unauthorized external access in the STM32H5 series. It delves into the new "Product State" feature, which functions similar to the readout protection (RDP) feature available in other ST...
Introduction This article describes how to debug in external memory on STM32CubeIDE based on the example provided in the following GitHub repository: STM32CubeH7/Projects/STM32H7B3I-EVAL/Applications/ExtMem_CodeExecution.Regarding hardware, we use th...
How to access to the right RAMECC monitor to get the RAM failing address when an ECC error occurs?How to translate the content of the failing address register to the actual RAM address (e.g. FADD= 0x2004)? Note: For simplicity and clarity, the descr...
