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AM437x GP EVM 怎么配置CAN0与CAN1互发数据？

putpen
Prodigy 170 points


AM437x GP EVM 板，我参照《AM335X DCAN Linux Driver Guide.pdf 》，测试CAN1自收发可以：
canconfig can1 bitrate 50000 ctrlmode triple-sampling on loopback on
canconfig can1   start
cansend can1 -i 0x05 0x11 0x22 0x33 0x44 0x55 0x66 0x77 0x81
candump can1

测CAN0也可以，但将CAN0与CAN1用DB9端子连接互发数据，不行。
请问AM437x GP EVM 怎么配置CAN0与CAN1互发数据？