STM32 MCUs Products

[STM32H757] Issue with the FW running after the compiler optimization is turned on

We are developing STM32H757 Firmware using STM32CubeIDE (V 1.10.1, GNU Tools for STM32 (10.3-2021.10)). We have encapsulated an SPI read function based on ST's BSP. When tested on CM7 with optimization options turned off (-O0), the function can run n...

Source or hex file for the exact code shipped on STM32C0116-DK? It baffles me that a demo kit like this does not have specific details on how the code installed in the flash was compiled, from which environment (Cube? IAR? Keil?) and where is source.

STM32F4xx Standard Perhipheral Library's FMPI2C implementation not functional

I'm trying to implement I2C on pins PC6/7of the STM32F446RET, which as I understand can only be used in FMPI2C mode.As such, I'm trying to use the Standard Peripheral Library since the rest of our codebase utilizes it and we do not currently include ...

Firmware does not work if not debugging

Hello, i would like to post a problem that i have: i have a custom STM32H755BI (dual core) board that i usually flash with CubeIDE and i debug. Unortunatelly i noticed that the board works fine, but if i reboot the board and i connect with a j-link s...

[STM32F469] Using HAL_SPI_TransmitReceive not writing on the receive buffer.

Hello,I implemented a simple spi transmission on a STM32F469 based board.The problem i'm facing is that the spi function I'm not getting any value in the receive buffer.Trough the oscilloscope i can see the byte being send and the one transmitted bac...

two identical projects generated by ST Cube, one accepts accepts the static storage class , the other gives and error "invalid storage class for function...." "static void MX_I2C2_Init(void);"

Can't receive any CAN data on STM32F303CCT6

Hello I tried to receive any CAN signal on my device based on STM32F303CCT6. Maybe you have solution :), CAN pins are remapped on PB9 and PB8 pins by STMCubeMX configuratorBelow my code (main.c): https://pastecode.io/s/7av2ge6mand my settings in con...

Unable to program Nucleo 32 board via an external ST-LINK programmer

I have this Nucleo 32 board namely STM32F303K8. I power it externally from 5V pin, so I removed the solder bridge SB9. In this case, the on board embedded ST-LINK is not powered but if first the board is powered then the USB is plugged one can still ...