各位老师,为什么c6455的官方例程c6455_emac_echo在运行时显示no phy device?具体应该怎么调试?
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各位老师,为什么c6455的官方例程c6455_emac_echo在运行时显示no phy device?具体应该怎么调试?
建议检查下程序是不是采用SGMII-SGMII连接的,或者采用的是LOOPBACK模式。