Ask questions, find answers, and share insights on STM32 products and their technical features.
Hello,I tried to store data to flash on a STM32H742 (running at 480MHz) and I have some timing issues. Meanwhile I found myself a workaround that I also want to share here. Still I would like to ask some questions to better understand whats going on,...
Hi,I guess this question has been asked over and over, i have tried my best to read what i can to understand sleep mode.However I am having difficulty as i am not using the HAL library that everyone refers to.I use a program called Flowcode, basicall...
Hi,We developed a custom board using the STM32F479NI MCU (using the Rev A).We are using a SEGGER J-Link JTAG adapter to flash and debug our MCUs.We are able to detect the MCU and to flash it using the J-Link softwares.But when trying to debug the MCU...
About fault exceptions, as I can understand user level trying to access privileged level memory will result in Memory Management Fault... but in Table 5.1 from Joseph Yiu's Guide to ARM Corten-M3 2nd edition page 83, it says Why that results in Bus f...
Hello guys, I hope you can help me. I'm using a STM32F439 board and the following setup:In my application FreeRTOS with FatFS is running. For reading and writing blocks from my eMMC I use a DMA transfer. The problem occurs very seldom (in an 40 MB fi...
SOSI have tried the other forum suggestions but nothing seems to work so far for me. Basically I am just trying to turn an LED on/off with a set delay: while (1) { /* USER CODE END WHILE */ HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, 0); HAL_...
I've recently started studying stm32f4 discovery and I'm trying to enable USART2 communication through virtual com port. I've tried to use the code from the book called "stm32 Arm programming for embedded systems" (I've changed value of BRR register,...
Please let me know what's the disconnect cmd of command line ,i cannot find this cmd with the documents ,thanks.
STM32F429I-DISC1STM32F429ZIT6USTM32CubeMX Version 5.6.0FATFS Version R0.12ctwo different SDHC Class 10, 8GB with sector size 2048, tested on windows 10FREERTOS not enabledSDIO 1bit is working perfectly with my configuration.SDIO 4bit is not working, ...
