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TDA4VM: The main domain CAN4 cannot be used

Cherry Zhou
Mastermind 22235 points

Part Number: TDA4VM

Hi team,

SDK: ti-processor-sdk-rtos-j721e-evm-08_01_00_13

Cannot receive CAN data frames via canoe while debugging main CAN4. MCAN4_TX, MCAN4_RX pin configuration is good.

When sending a data frame to canoe via MCAN4, the bus_off status of mcan4 is read and the bus_off interrupt is triggered. When receiving data from the canoe via MCAN4, data cannot be received and interrupts cannot be entered, the read status of MCAN4 is active.

The function to read the status is: MCAN_getProtocolStatus.

How to set the automatic bus_on when CAN is in bus_off? Which API need to be called?

Thanks.

Best Regards,

Cherry