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USB to USB data transfer without pc
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Topic: USB to USB data transfer without pc (Read 17756 times)
may12
Member
Posts: 3
USB to USB data transfer without pc
«
on:
March 27, 2012, 01:56:50 am »
Hi, and i would like to ask that is the
USB to USB data transfer without pc device
requires the OTG technolody? Thz in advanced
ps: i m new to USB
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Jan Axelson
Administrator
Frequent Contributor
Posts: 3033
Re: USB to USB data transfer without pc
«
Reply #1 on:
March 27, 2012, 10:17:56 am »
Every USB communication is between a host and and device. The host can be a PC, an OTG system, or an embedded system that doesn't support OTG but has USB host capability.
Jan
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may12
Member
Posts: 3
Re: USB to USB data transfer without pc
«
Reply #2 on:
March 27, 2012, 12:00:06 pm »
Thank you very much!
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may12
Member
Posts: 3
Re: USB to USB data transfer without pc
«
Reply #3 on:
March 29, 2012, 10:06:29 am »
Hi, I am doing my research on this topic and i would like to ask that do the data copier devices use master/slave architecture?
the "source" port will act as a master and the "target" port will act as a slave as well.
Thz in advanced
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Jan Axelson
Administrator
Frequent Contributor
Posts: 3033
Re: USB to USB data transfer without pc
«
Reply #4 on:
March 29, 2012, 10:36:41 am »
Products that copy data from one device to another have USB host capability to enable accessing both devices.
Both the source and target ports are device ports.
The host reads data from the device on one port and writes the the data to the device on the other port.
Jan
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dgojanov
Member
Posts: 1
Re: USB to USB data transfer without pc
«
Reply #5 on:
September 06, 2012, 08:03:39 am »
I am developing an application for non window system on pic platform.
Would like to use standard usb gamepad.
How to get a sequences of data sent by gamepad.
Do gamepad vendors provide developers with the available sequences.
Thank you!
Any suggestion?
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Jan Axelson
Administrator
Frequent Contributor
Posts: 3033
Re: USB to USB data transfer without pc
«
Reply #6 on:
September 06, 2012, 08:41:15 pm »
With the gamepad attached to a PC, you could use a hardware-based or software-only protocol analyzer. See:
http://www.lvr.com/development_tools.htm#analyzers
Also see section 8.4 in the HID Usage Tables document
http://www.usb.org/developers/hidpage/
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USB to USB data transfer without pc