STM32 MCUs Products

How to know from which DMA channel HAL_TIM_PWM_PulseFinishedCallback interrupt came from?

In STM32F103C8T6 , I am using timer1 channel 1 and channel2 for PWM generation using DMA.TIM1_CH1 uses DMA1_Channel 2and TIM1_CH2 uses DMA1_Channel 3.NOW i am usingfull transfer interrupt : HAL_TIM_PWM_PulseFinishedCallbackand half transfer interr...

STM32F303 UART 3 receiver hang without RX interrupt after run 1-2 hours.

I am using my boards with STM32F303VBT6, There is a UART 3 hang after run for 1-2 hours. There is no UART interrupt of the receiver. I monitored the RS232 signal is there. After reset the receiver board, the receiving date can be recovered.What is th...

STM32H747 DMA Linked List (or Double Buffering) and ADC Interleaved

Hi all,I'm implementing a DAQ (data acquisition chain), using STM32H747Xi Discovery board.What I need to do is sample as fast as possible 1 adc channel and do some light processing on the data. I need to understand how to configure the system to get ...

Clarification required regarding the FMC interface on STM32F769

Greetings !We are designing our custom carrier board using STM32F769 Controller . Here we are using 2 separate SDRAM chips each of 16 MB size with same manufacturer (AS4C16M16SB-7TCN) . We have used FMC configurations pins as : FMC_SDNE1 & FMC_SD...

I purchased the STM32U5’s B-U585I-IOT02A evaluation board and trying to bring up default demo of webserver. I get the IP address but when I am trying to connect and open webpage it is not opening. Can anyone help?

Is it possible to unreset some GPIO pins while using NVIC_SystemReset function?

SMT32G070CB : Flash page erase using registers doesn't seem to be working

I'm using an STM32G070CB for a project and need to store 6 bytes worth of data to the flash memory. The MikroPascal PRO for ARM compiler that I'm using has a flash library for this (I assume it's their version of the HAL procedures that I've seen els...

I2C DMA slave receiving arbitrary sized packets without using timer/polling?

I'm working with the STM32F405 microcontroller and I want to receive packets over slave I2C using DMA, but I don't know on beforehand how big the next packet is. Is this not possible to achieve this without using a timer/polling mechanism that keeps ...

stm32g0b1cetx flash erase example code is not working

Hello everyone I try erase and write the flash of stm32g0b1cetx series. every time I try I got this error code from flash " pFlash.ErrorCode = 0x000000A0".is anybody have idea what problem is here i try example code too. I am totally beginner to stm3...