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TMS320F28035: CAN Tx is not working for short durations

Madhu Kiran
Prodigy 90 points

Part Number: TMS320F28035

Hello,

I'm facing issue in CAN communication in TMS320F28035 controller.

I'm using CAN peripheral for communication and it is working normally in most of the time. But in some cases Transmission frames stops for few seconds and recovered automatically. But because of these gaps in frames other ECU stops their functionality which we don't want to happen.

When Tx messages are stopped Rx is still active and ECU is responding to the commands.

Can you help on how to debug this issue and which registers I need to monitor to debug.

There is 1 Rx frame and 2 Tx frames with periodicity of 100msec and 1Tx frame with 500msec 

Thanks & regards,

Madhu P