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How to measure eye pattern of USB in Yocto?

Question asked by charles huang on Apr 13, 2015
Latest reply on Apr 16, 2015 by Artur Petukhov


We use i.MX6D on fsl-yocto-3.10.17_1.0.0

And trying to measure eye pattern of USB.

Does fsl-yocto-3.10.17_1.0.0 support USB test mode? How to test it?


I found there is CONFIG_USB_HCD_TEST_MODE in fsl-yocto-3.10.53_1.1.0,

does this config work for entering usb test mode?

If so,how to test? and How to apply it on fsl-yocto-3.10.17_1.0.0?