S32K中的主题 S32K3xx Config Rx Mailbox

S32K3xx Config Rx Mailbox

vinaykl — Wed, 24 Sep 2025 12:13:50 GMT

Hello team,

We are trying to configure Global mask for FlexCAN RX mailbox. But it is going in hardfault condition.

Kindly need your support in above issue. Is it possible configure Global mask and receive CAN Msg for any CAN Id?

Currently we are configuring every RX CAN Mailbox ID using configRxMB() api. But configuring RX mailbox ID's there is a limitation of 32 Id only. If it is possible to set Global Mask for RX Mailbox, it would be possible to receive for any CAN Id.

Thanks,

Vinay

Re: S32K3xx Config Rx Mailbox

Julián_AragónM — Wed, 24 Sep 2025 22:18:27 GMT

Hi @vinaykl,

In order to receive all CAN IDs, you can configure the global mask for "don't care" (0b):

For example:

FlexCAN_Ip_SetRxMbGlobalMask(INST_FLEXCAN_0, 0U);

Best regards,
Julián

Re: S32K3xx Config Rx Mailbox

vinaykl — Thu, 25 Sep 2025 06:34:07 GMT

Thank you Julián_AragónM.

This solved my issue.