STM32 MCUs products

Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32G474 FDCAN BitTiming Register values?

Hello All,I got Classic CAN running on the FDCAN3 module of STM32G474CE device using MXCube and other example projects for STM32G474 devices.Problem is, all these example codes have a fixed baud rate of 1Mbps. My application requires thebaud rate be...

ma.alam9 by Associate II
  • 3 replies
  • 1 kudos

Help with FD-CAN filter

Hello,I work with STM32G484, with FDCAN. I want to create filter so only messages with my own CAN_ID will reach HAL_FDCAN_RxFifo0Callback.I started by define the filter:filter.IdType = FDCAN_STANDARD_ID;filter.FilterIndex = 0;filter.FilterType = FDCA...

prigo87 by Associate II
  • 4 replies
  • 0 kudos

STM32 FDCAN Send CAN messages without ACK

Good morning:I'm working with the STM32G431KB on my own board. In the project we send messages thanks to the FDCAN HAL module driver layer for wakeup other ECU by expecific CAN messages. Situation:I am working using Polling mode for FDCAN: hfdcan1.I...

Can't use FDCAN alongside TouchGFX

Using an STM32H750B discovery board, I'm trying to set up FDCAN. However when I activate either FDCAN1 or 2, the clock configuration needs to be adjusted, as by default, the FDCAN receives 200MHz, but van only accept up to 100. If I run the automatic...

Fixr by Associate
  • 1 replies
  • 0 kudos

STM32H743 reference manual FDCAN_NBTP description

Hi,depend on reference manual RM0433 Rev 8 for STM32H743 p.56.5.7 "FDCAN nominal bit timing and prescaler register" the CAN bit time can be programmed max. 81 time quanta. Is documentation correct on this place?Due to described time quantum range [1....

EMonj.1 by Associate II
  • 3 replies
  • 0 kudos

CAN-FD reset timer counter on RX pin data?

tldr; Can I have a timer counter reset (once / one-shot) when the RX pin of a CAN-FD peripheral is activated, so I can later determine the exact time elapsed?I have a chain of ~8 STM32 devices on a ~2m CAN-FD bus. Several MCU part numbers (mostly G4)...

StefanH by Associate II
  • 0 replies
  • 0 kudos

FDCAN in Nucleo-U575Zi-q

Hello,  I am trying to Use FDCAN For Nucleo-u575Zi-Q , I already Configured two Stm32 emulation board with the same code one send data and other is receiving data , I did all init Functions and Enable interrupt when receiving data but non of this buf...

Resolved! FDCAN bootloader on UFBGA169 STM32H743AI

Hi,App note AN2606 says I should use FDCAN1_Rx pin PH14 (similary Tx pin) to be able to use FDCAN bootloader but selected package UFBGA169 doesn't have such pins.Can I use default FDCAN Pins to work with bootloader?

DrDro by Associate II
  • 1 replies
  • 1 kudos

Resolved! FDCAN problems on STM32G4

 I am developing a new project for the STM32G474 processor using the STM32G474E-EVAL1 board but am having a problem with FDCAN. I have two issues:1. I configure FDCAN and use the function HAL_FDCAN_AddMessageToTxFifoQ but the queue quickly fills up a...

RickN by Associate
  • 3 replies
  • 1 kudos