STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32F4 HAL_UART_Receive_DMA shifting every cycle

Hello everybody:​i'm trying to implement modbus function on mcu(stm32F4)my structure as following​i receive data from usart6 by HAL_UART_Receive_DMA function(circular mode)it's work when just only one MCU edge. but if two mcu edge (two modbus slave),...

0693W000007DhYjQAK.png 0693W000007DhZhQAK.png 0693W000007DhaBQAS.png 0693W000007DhaLQAS.png
YAlie.1 by Associate
  • 708 Views
  • 1 replies
  • 0 kudos

Resolved! STM32F030C8 SPI transmits 16 bits per DR write instead of 8

I don't use CubeMX - I write to all the SPI registers directly.STM32F030C8I have SPI1->CR2->DS set as 7 (8 bit data transmit) but the CPU is transmitting 16 bits for each write to the SPI1->DR register.I verify this using a logic analyzer.I can't fin...

Joe.H by Senior
  • 926 Views
  • 6 replies
  • 0 kudos

STM32L452RE Read Out Protection at random time

Hi,we have a problem with low power application developed on STM32L452RE with BLE BlueNRG-M2SA module to read environmental sensors (STTS751, HTS221 and LPS25)The application is developed on the STM32CubeIDE (1.5.1)At the start of main code the IWDG_...

AColino by Associate
  • 445 Views
  • 1 replies
  • 0 kudos

Resolved! SAI in SAI_I2S_STANDARD Mode...

What happened to the equivalent of I2S_FLAG_CHSIDE as I don't seem to be able to find it.Or do you just count the interrupts and assume it goes Left - Right - Left... forever?ThanksAndy.

Wood.Andy by Associate III
  • 1053 Views
  • 4 replies
  • 0 kudos