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SPC560B50x CAN Transmit Interrupt not working

Question asked by Mayank Bhatt on Jul 20, 2017
Latest reply on Aug 9, 2017 by Erwan Y

Hi

 

I am working on SPC560B50x controller and trying to send CAN messages from the controller to the busmaster tool.

I am unable to hit CAN transmit ISR breakpoint, but messages transmitted  through my controller is getting reflected in the busmaster tool.

 

CAN configuration is as follows-:

 

1) Using CAN channel 0.

2) Baudrate 500 kbps.

3) No FIFO being used.

4)  Lowest Buffer transmitted first

5) Max Message Buffers used are 32 for all IMASK1 is enabled ( value given = 0xFFFFFFFF).

6)  Bus Off, Error, Tx Warning, Rx Warning all are enabled.

7) All being done in the freeze mode.

 

In CAN_Transmit function I am setting appropriate code for transmission.

I am using 32 message buff to transmit 32 different data, same message ID over CAN bus and clearing all IFLAG1 after transmission.

 

Code snippet is attached.

 

Please help so that I may be able to hit the CAN transmit ISR breakpoint and I may proceed further.

 

 

 

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