STM32 MCUs products

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Resolved! Record audio using DFSDM and send the data over UART

I have a B-L475E-IOT01A2 board. I'm trying to use the onboard microphones to record audio, using the DFSDM peripheral, and then send the data over UART to my PC to play it back. The thing is, the data I get is basically just static.Here is how I conf...

anwvo by Associate
  • 92 Views
  • 6 replies
  • 1 kudos

Resolved! Can't find HAL_UARTEx_GetRxEventType() in STM32L4xx HAL code

Hi folks,I use CubeMx to generate UART∕DMA code for STM32L4xx MCU.CubeMx uses currently latest STM32Cube_FW_L4_V1.18.0 package, but HAL_UARTEx_GetRxEventType() is not included in it, neither HAL_UART_RXEVENT_* events.I found it is included in the lat...

Lex by Associate II
  • 76 Views
  • 1 replies
  • 1 kudos

Resolved! HAL_UARTEx_ReceiveToIdle_DMA() timeout

Hi folks,I'm using HAL_UARTEx_ReceiveToIdle_DMA() on STM32L4. If I use minicom and type a few characters, HAL obviously detects an idle state after each single character I typed.I'd like to configure a idle timeout value used in HAL_UARTEx_ReceiveToI...

Lex by Associate II
  • 81 Views
  • 2 replies
  • 1 kudos

STM32H7 UART (DMA with IDLE line) unknown length problem

Hello,I am trying to use UART with DMA with IDLE line for unkown length data reception and I am getting the following error:request for member 'NDTR' in something not a structure or union main.cI coded a couple of years ago a HAL_UART_RxCpltCallback(...

Inigo by Associate II
  • 958 Views
  • 4 replies
  • 2 kudos

Resolved! Handle Variable Length Transmission over Uart

Hi!I am somewhat unclear on how to handle variable length transmissions using the STM32F4xx HAL. I have looked at other solutions, and suggestions have been made to use HAL_UARTEx_ReceiveToIdle_DMA() or the ISR equivalent.My situation however, involv...

Custom Uart flash loader program

I am trying to create a uart flash loader program.Currently, the stm32f103rct6 chip is being used, and cp201x is being used for serial communication with the PC.1. Successfully downloaded bootload and application code using existing bootload mode wit...

Jdogk by Associate
  • 61 Views
  • 3 replies
  • 0 kudos

Resolved! Unable to receive data over UART3

Hi,I have the following board : NUCLEO-F429ZIThe datasheet says that UART3 is the STLINK UART that can be used over USB.I configured this UART but when I try to receive anything from the terminal that is connected to the UART com port, I don't see th...

smaiti by Associate II
  • 150 Views
  • 6 replies
  • 1 kudos