STM32G0B1x - setting message RAM offset for using two FDCAN ports

[PPate.1]

Hi,

I am using 2 FDCAN ports on my custom board with STM32G0B1x MCU. As per application note AN5348, I can set message RAM offset for second port. But I don't see this setting in STM32Cube MX.

As per reference manual, I got following details:

But I am not sure where to set start and end addresses.

Please help.

Thanks,

Pradeep

[PPate.1]

Hi,

Referring to 'FDCAN_HandleTypeDef' structure details, i got its member variable 'msgRam'. Using information given in reference manual, I did following settings in initialization code of both CAN ports:

FDCAN1 port:

hfdcan1.msgRam.StandardFilterSA = 0x0000;

hfdcan1.msgRam.ExtendedFilterSA = 0x0070;

hfdcan1.msgRam.RxFIFO0SA = 0x00B0;

hfdcan1.msgRam.RxFIFO1SA = 0x0188;

hfdcan1.msgRam.TxEventFIFOSA = 0x0260;

hfdcan1.msgRam.TxFIFOQSA = 0x0278;

FDCAN2 Port:

hfdcan2.msgRam.StandardFilterSA = 0x0350;

hfdcan2.msgRam.ExtendedFilterSA = 0x03C0;

hfdcan2.msgRam.RxFIFO0SA = 0x0400;

hfdcan2.msgRam.RxFIFO1SA = 0x04D8;

hfdcan2.msgRam.TxEventFIFOSA = 0x05B0;

hfdcan2.msgRam.TxFIFOQSA = 0x05C8;

Can anyone confirm if this is the way it can be done?

Thanks,

pradeep

[Mahmoud Ben Romdhane]

Hello @PPate.1 ,

First let me thank you for posting.

Your request is under investigation, and I will get back to you ASAP.

Thanks.

Mahmoud

[Mahmoud Ben Romdhane]

Hello @PPate.1 ,

Thank you for bringing this issue. 

It has been reported to STM32CubeMX development team.

Internal ticket number: 204224 (This is an internal tracking number and is not accessible or usable by customer)

Thanks.

Mahmoud