STM32 MCUs Products

Incorrect order of SPI datas?

I use my STM32F469I-DISCO board as slave to communicate with Arduino Mega. The communication is OK. I got the correct values in my array (uint8_t buff_read[10]). But the order is not correct! It shifted with some index but not a fixed number. If i ru...

Custom panel on stm32157C-DK2 probe problems

We have custom board design based on stm32157C-DK2. We just ise other LCD panel. We have updated device tree and probe function of panel is called. But in method: ltdc_load it fails to find any panel.bridge when calling: drm_of_find_panel_or_bridge (...

CAN Bus Flow Control on STM32H7

I will use STM32H753 to design the CAN bus circuit. I saw the CAN TX and RX but couldn't find out the flow control pin.Some chips call it nSTB or S.Could you tell me which gpio I can use?PS: the transeciver I will use is SN65HVD1050-EP

Setting up a headset to work with ADC & DAC ports of a Nucleo-F446RE board

I am trying to figure out how to use the built-in ADC and DAC ports of my Nucleo-F446RE board. My end goal is to record and play a block of sound using the Hal-library. The setup is simple, I want to connect a built-in speaker and microphone of a hea...

STM32U575 can not be waken up from stop mode by LPTIM1 interrupt.

I create new StCubeIDE project base on NUCLEO-U575ZI-Q EVB.Set LPTIM1 as "Counts internal clock events" mode and enable interrupt, set clock source to "LSE".Did some simple modification in main.c to verify it:Add #include "stdio.h"Overwrite weak func...

Enabling WWDG in stm32g0b1ke blocks the uart prints

ADC with DMA: Watchdog interrupt and DMA values

Hi everyone!I want to read 2 channels with an ADC via DMA using circular buffer. So far so good. Now I want to use a watchdog for both channels when a certain threshold is reached. However, when the watchdog is triggered and I read the values in the ...

I am Getting into the Default handler in the startup file while enabling the LL_SPI_EnableIT_TXP(SPI1)?

Hi Team, I am using the stm32h745zi-Q as my development board. I am working in the SPI in the low level . But When I am enabling interrupts like LL_SPI_EnableIT_TXP(SPI1); and debugging the code It is getting in to the default handler in the startup ...