STM32 MCUs Embedded software

Problem in programming MCU with two applications (boot + app)

Good morning,I need to flash on a STM32F303ret6 uC a bootloader and a main Application. Application code works if I flash only this program into the uC, but when I flash both, I always have debug problems and many times the Application doesn't work.I...

Timer IT stop channel, but continue with base IT possible?

Calling HAL_TIM_OC_Stop_IT causes HAL_TIM_Base_Start_IT to also stop, is this normal? i want to stop a channel, not the entire base timer.How do i achieve this? re-enabling the base timer after stopping the Channel is not working.

Issue with MPU setup in LwIP_HTTP_Server_Netconn_RTOS for F7 V1.17.0

In LwIP_HTTP_Server_Netconn_RTOS, MPU_Config has three sections:1) Mark the complete 4GB memory map as shareable, non-cacheable, and non-bufferable.2) Create a 16kB area starting at 0x20078000 for ethernet buffers, non-sharable, non-cacheable, non-bu...

Improvement for the definitions of factory calibration values

Inspired from a beginner issues in this topic, I noticed a possible improvements. Let's take an example from a stm32f767xx.h definition file:#define VREFINT_CAL_ADDR_CMSIS ((uint16_t*) (0x1FF0F44A))The first improvement is to add a ...

STM32F407 Fatfs Causing the Time-based source to be in Hung State.

I am using the Fatfs to mount the SD Card. As soon as f_mount is called it puts the ticks in hang up state causing the HAL_Delay to be in infinite loop resulting in device hang up.I am using the STM32F407-Dicovery BoardFor SD Card I am using the SPI1...

SSL/TLS Handshake failed - Unrecognized Name.

Hi,I was trying for create a simple ssl server/client communication. I am running client now and monitor the Wireshark log. I am able to see the Client Hello message also verified the packet format ciphers and another parameters are correct in client...

Seeing an issue with USB interrupts on STM32H742 only on Endpoint 1 USB Enumeration works fine. I am seeing HAL_PCD_DataOutStageCallback for endpoint 0 but not HAL_PCD_DataOutStageCallback for endpoint 1. Any ideas what I might be missing?

Initialization sequence:hpcd_USB_OTG_FS.Instance = USB_OTG_FS; hpcd_USB_OTG_FS.Init.dev_endpoints = 9; hpcd_USB_OTG_FS.Init.speed = PCD_SPEED_FULL; hpcd_USB_OTG_FS.Init.dma_enable = DISABLE; hpcd_USB_OTG_FS.Init.phy_itface = PCD_PHY_EMBEDDED;...

Hiii there, Recently , I am working on STM32 Nucleo-H745zi-q and i am not able to configure the ethernet protocol in same. Whenever i try to ping it , it not acknowledge at all. Please help me with same. Thank You

STM32F4 Ethernet interrupt not triggering for up to 1500 ms after random period of time.

Hey,After debugging for a long time I still haven't been able to find the cause of ethernet interrupt not triggering for up to 1500 ms.What I'm doing is opening a socket on my STM32F4 + LAN8742A. I am running a script that sends an "heartbeat" every ...