6678的PCIE 枚举采用的什么机制,是采用寄存器还是映射到内存还是……?求指导,在6678的PCIE文档中没有找到相关的内容 谢谢
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你说的枚举应该是 PCIE设备之间的链路训练,开始链路训练之后,两个设备之间会互相发送脉冲信号直到链路训练成功,就建立连接了。具体可以参考PDK里面的PCIE示例程序。