Re: [Libusb-win32-devel] Problems with usb_set_configuration

[John E. <jei...@mw...>]

On Tue, 04 Jul 2006 10:14:33 +0100, Dan Ellis wrote:

> Presumably you've identified your device by checking the VID and PID
> returned after scanning the bus and they are as expected? 

Yes the device is found OK and usb_open returns no error

> Have you checked for an error return from usb_set_configuration?

Returns 0 so success.
> 
> How do you know SET_CONFIGURATION isn't sent? Did you snoop the traffic
> on the PC, use an analyzer, or have some output from your device?

I am using a serial port on the device to print messages to the screen. 
When using windows usber.sys, linux usbserial or linux libusb
SET_CONFIGURATION is received on the device.

> Dan.
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