STM32 MCUs Embedded software

Systick is not ticking in Custom Bootloader for STM32H743 after jumping to the main application and then coming back to the Bootloader

I have written a Custom Bootloader for STM32H743. It resides at 0x08000000 (Sector 0) and occupies for a maximum of 1 sector (128KB). The main application resides at 0x08040000 (Sector 1 thru sector 7). Upon reset, Custom Bootloader starts and chec...

[L431][HAL][CAN] Cannot force no ACK error in CAN handling

HI!I'm trying to impelemnt watchdog on my CAN devices, but i cannot force CAN error for testing.hcan1->ErrorCode is always 0 value, even if i disconnect CAN and no device are acknowledging message(no ack have its own error code in HAL).I see on oscil...

FreeRTOS: Stack overflow checking mechanism missing.

Hello,According to https://www.freertos.org/Stacks-and-stack-overflow-checking.html, i.e. the FreeRTOS reference, one needs to set configCHECK_FOR_STACK_OVERFLOW to 1 or 2 in order to activate stack overflow checking. In case of a stack overflow Free...

Is there an example using USBX with the two USB ports available on the STM32H7?

Currently looking to design a board with STM32H7 with two independent cellular modems, each on their own USB port to the STM32H7 processor. I have USBX working with one of the controllers, would like to know if there is any example of using USBX wit...

This is a log file of the B-U585I-IOT02A running the project Nx_Azure_IoT, STM32CubeExpansion_Cloud_AZURE_V2.1.0, with the ST MB1329 extension board connected in STMod+2, CN2. Looking the log is it possible to deduce what problem we have?

STM32L4R9 SPI bootloader. Strange behaviour after executing global mass erase command

I'm programming an STM32L4R9 through SPI according to the AN4286 application note.The problem I have is that after a global mass erase command (0x44) it won't let me execute the read memory (0x11) or the write memory (0x31), even if I wait several se...

32F417: mod for low_level_input to discard broadcast packets before LWIP

This should be possible, in the code which moves data from the ETH controller's buffers to LWIP's buffers.I am aware of the BFD bit of ETH_MACFFR solution, which works, but it makes the box useless unless it is addressed by MAC# directly. The broadca...

Issue with STM32H743ZI2 using SDMMC and µSD card

I am trying to configure my STM32H743ZI2 to work with a microSD card. For data logging purposes. schematic of the SD card adaptor:I configured the following in CUBEMX:SDMMC1 as SD 4 bits Wide bus with SDMMC1 global interrupt enabled (all other settin...