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关于C6678的RapidIO配置问题



专家们好,

最近在研究C6678 RapidIO的驱动.

SrioDevice_init()中,下面几行配置不太理解,

CSL_SRIO_SetDeviceInfo (hSrio,DEVICE_ID_16BIT,DEVICE_VENDOR_ID,DEVICE_REVISION);

CSL_SRIO_SetDeviceIDCSR (hSrio, DEVICE_ID_8BIT, DEVICE_ID_16BIT);

CSL_SRIO_SetHostDeviceID (hSrio, DEVICE_ID_HOST);

这几个配置函数是是么意思? 我看了CSL的帮助手册就简单得一句话,还是不明白。

DEVICE_ID_16BIT,DEVICE_ID_8BIT,DEVICE_ID_HOST 这些是是么关系?

为是么配了16bit的SRIO ID之后还要配8bit的SRIO ID呀?

多谢

Best Regards

William.D