[Libusb-win32-devel] Isochronous Issues

[Krakora, R. V <rob...@de...>]

I am receiving Isochronous packets from a streaming audio device and I
am seeing it take 200 to 700 milliseconds after all of the packets have
been received before the completion routine in the driver is called.
However, the packets themselves have nice 999.999 uS spacing.  I have
control and interrupt endpoints open as well.

Rob Krakora
Software Engineer
Delphi Electronics & Safety
e-mail: rob...@de...
phone: 765-451-8574
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Today's Topics:

   1. Re: how can I pre-install libusb drivers? (Xiaofan Chen)


----------------------------------------------------------------------

Message: 1
Date: Mon, 20 Aug 2007 07:44:23 +0800
From: "Xiaofan Chen" <xia...@gm...>
Subject: Re: [Libusb-win32-devel] how can I pre-install libusb
	drivers?
To: "Benedikt Sauter" <sa...@si...>,
	lib...@li...
Message-ID:
	<a27...@ma...>
Content-Type: text/plain; charset=3DISO-8859-1

On 8/19/07, Benedikt Sauter <sa...@si...> wrote:
> Hello,
>
> Did anybody know how I can pre install libusdrivers?
>
> I have an multi device, which can be get by an program different
> firmwares. Each firmware normally means an own usb device.
>
> http://www.embedded-projects.net/usbprog (there is an screenshot for
> better association)
>
> Now I have to pre install all possible important drivers. But How? Has
> got anybody a hint?
>

Stephan has already done that for you. You need Inno Setup.

Read the template Inno Setup file
libusb\examples\driver_installer_template.iss.

[quote]

; This examples demonstrates how libusb's drivers
; can be installed automatically along with your
; application using an installer.
;
; Requirements: Inno Setup (http://www.jrsoftware.org/isdl.php)

"; To use this script, do the following:
; - copy libusb's driver (libusb0.sys, libusb0.dll) to this folder
; - create an .inf and .cab file using libusb's 'inf-wiward.exe'
;   and save the generated files in this folder.
; - in this script replace <your_inf_file.inf> with the name of your
.inf file
; - customize other settings (strings)
; - open this script with Inno Setup
; - compile and run"
[/quote]

It works for me under Windows XP SP2.

Hope this helps.

Regards,
Xiaofan



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