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mpc5748 flexcan receive interrupt

Question asked by gang zhou on May 31, 2019
Latest reply on Jun 5, 2019 by gang zhou


I use dev kit and Peak usb-@can adapter.

I have two MBs setup for transmit and receive by CAN0. MB[0] for transmit and MB[4] for receive.besides,I used a receive interrupt.But,transmit just use the polling.The core always enter receive interrupt and MB[0] receive the same data that transmitted by MB[0] . CAN_IFLAG1 value is 0X00000011 when the breakpoint works at the entrance of receive interrupt.
I dont config the loopback mode.I do not know what is wrong?How should I do?Martin Kovar