Learning Sigrok

Yutaka Niibe at 2017-12-11T01:29:19Z

I develop my USB driver with no USB alalyzer or digital alalyzer. I mean, with no looking any signals on wire.

Last week, I looked the signal using Sigrok. With my ZEROPLUS, only it can caputure three frames of USB (3ms). But I can see the transactions: command from host, response from device, seven NAKs while responding an answer.

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