S32k can autorecovery

[uky746]

HI.

TOOL : S32 Design Studio for s32 platform (3.3)

Board : S32K144EVB-Q100 (NXP)

Source : can_pal_s32K144  ("enable flexible data rate " uncheck)

i want that after a bus off the module recovery and restart in automatic, to receive and send the messages again.

test condition

step1. push "sw3"    (communication Succed)

step2. remove CAN Annalyzer   (CAN_H, CAN_L  = OPEN)

step3. continuous 10 count  push "sw3"  

step4. Connect CAN Annalyzer    (communication fail)

step5. push "sw3"    (communication fail)

Add my project and Registers status

Could anyone help me to solve this problem? 

[Senlent · Accepted solution]

Hi@uky746

you can refer to this example to know more about the bus-off detected and recovery.

https://community.nxp.com/t5/S32K-Knowledge-Base/Example-S32K144-FlexCAN-TX-RX-Error-ISR-test-S32DS2... 

this example posted by PetrS.

BR,

[uky746]

Thanks for your support.!