USB host

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USB host

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madhurao
Contributor I

I am working on P1021 freescale processor on the MP3009 board.

While configuring the board as USB host, we could be able to get speed of the device connected and connecting device.

But the transaction interrupt is not getting generated. Could someone who worked on USB host help on this?

-Madhu

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alexander_yakov
NXP Employee
NXP Employee

When the problem appears, please check the value of USB status register - USBSTS.

Please let me know the result.

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madhurao
Contributor I

As suggested, we have checked the status register but its not set, can you pls provide the programmers manual for P1021? We have P1021RM, with which we could not proceed further

Thank you,

Madhu.

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madhurao
Contributor I

We are working on MP3009 board contains P1021 processor, which has USB port, we are trying to make it work as host, in this process we are stuck after recognition of the device connected and could be able to know the speed, but while could not able to get the device descriptors of the device, came to know during debugging that if we try to access the system memory we are getting some junk values in the device descriptor's array. Could somebody help me on this??

Regards

Madhu.

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