STM32 MCUs Embedded software

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STM32G474RE FDCAN not transmitting

I had FDCAN working on the G4 MCU before doing the firmware update from 1.0.1 to 1.1.0. Since the firmware update and upgrade from STM32CubeIDE 1.0.0 to 1.2.0, the FDCAN controller seems to not transmit any messages, even though the HAL_FDCAN_AddMess...

DWils.1 by Associate
  • 6 replies
  • 1 kudos

SM32F011F3 - ADC DMA, HAL_ADC_ConvCpltCallback only called once. Variable set 1 but not grabbed by if. Code only running after programming.

Hello ST-Community!I am having a very rough start with my first project using an STM32 MCU. My task is actually very simple and I was confident I could fit this in 8kb of program memory. It actually fits the flash in release build, but I cannot debug...

0xD by Associate II
  • 0 replies
  • 0 kudos

Resolved! LwIP set link down - why it is required?

Hi,Why it is required (or recommended, as I see in examples) to set the link down when the cable is plugged out from the ethernet connector? It works when I once set the link up and leave it up forever. It doesn't matter when I plug out and in the ca...

Send value in UDP packet

Hello,I have a problem. My program doesn't send value in UDP packet and program crash. I try everything, But I didn't find anything.Some variables and constantstypedef struct UDPsender { struct netconn *udp_sender_server; struct netbuf *udp_send_bu...

STM32F4 I2C HAL Driver problem

Hi STM,I am using STM32F4 I2C with DMA as a slave device.I found that the below snippet of code in I2C_ITError function (stm32f4xx_hal_i2c.c, line 6146) assumed that if hdmatx is not in HAL_DMA_STATE_READY, then it must be hdmarx in HAL_DMA_STATE_REA...