STM32 MCUs Embedded software

How can we managed a cloud communication with 2G/3G module (like STM32L496) ?

STM32F429 code missing

Hi Colleagues: Our new product use STM32F407 to realize the function of TCP/IP with RJ45. The problem is the device will error when 10 days later.The bad device restart every four seconds and We must download again.Please help us to solve the pr...

LwIP (PPP) not work with X-CUBE-CELLULAR

Hello,​I am evaluating PPP with X-CUBE-CELLULAR but it doesn't work on my board.​Test environmentSMT32 CubeIDE 1.6.0Customized board (STM32L4A6VG) with the Quectel BG96 on UART interface (no flow control)X-CUBE-CELLULAR V5.2Purpose:Using BG96 with PP...

Systick and FreeRTOS Question

My client has an application which uses FreeRTOS. Recently I wanted to do a small, simple test. I wrote a couple dozen lines of code and put it in main() before the FreeRTOS scheduler starts (my test code ends in a while(1) loop, to FreeRTOS never ge...

USB HOST MSC: Function f_findfirst() returns FR_DISK_ERR error despite USB Stick has been successfully mounted

I am trying to implement simple appication to scan existing files in USB stick in root directory. I just use ST sample as reference and following is the user call back code. The error is line 27It manage to reach :Appli_state = APPLICATION_START; and...

[Bug report] HAL_UART_TxCpltCallback() doesn't get called in DMA normal (instead of circular) mode

I believe I may have found a bug in the latest version (1.24.1) of the STM32F4 HAL library.The HAL documentation states this about using UART in DMA mode:DMA mode IO operationSend an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_D...

DHCP not detecting in my STM32f4 Disco Board while interfacing DP83848 MAU board. I performed LWIP with RTOS, DHCP enabled but does not works.

DHCP not detecting in my STM32f4 Disco Board while interfacing DP83848 MAU board. I performed LWIP with RTOS, DHCP enabled but does not works.Auto-Negotiation Enabled, MII interfacing, Phy Address 01. All pins are correctly connected same as STM32CUB...

USBTMC (USB Test and Measurement Class) for STM32

Dear all,is there a USBTMC implementation for the STM32 MCUs available? I wold be most interested in the STM32G4 series, but I guess, such an implementation would work for any USB slave. I have googled and searched on the ST.com site, but nothing fou...

FatFS Multi Logic Device Support with single SPI Bus and Multiple CS pins

Hello..I have a few problems, can you help me?I am using FatFS on stm32f103RB MCU. I have a Single SPI bus and 2 CS pins for 2 SD Card.used STM32CUBEIDE. No problem when I use 1 SD card and 1 CS pin. But Problem occurs when I use 2 SD Cards. Problem ...