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Re: Access to the strings indexed by the IOUSBDeviceDescriptor

Subject: Re: Access to the strings indexed by the IOUSBDeviceDescriptor
From: Fernando Urbina <email@hidden>
Date: Tue, 19 Apr 2005 15:07:27 -0600
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And of course, you can look at the IOUSBFamily in Darwin to see how we do it. IOUSBDevice.cpp has the GetStringDescriptor(). It does a lot of error checking and deals with the correct endianness and stuff...

Fernando Urbina

USB Technology Team

Apple Computer, Inc.

On Apr 19, 2005, at 2:58 PM, David Ferguson wrote:

To get a string, you use the standard device requests (GET_DESCRIPTOR) described in the USB spec, chapter 9. Your code to do that might look something like (not tested, top of my head, be on the lookout for possiblebyte-swapping issues in the wValue/wIndex fields):

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	>Re: Access to the strings indexed by the IOUSBDeviceDescriptor (From: David Ferguson <email@hidden>)

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