Re: X10 Wireless Technology Inc USB Receiver

From: Lars Eggert <larse_at_ISI.EDU>
Date: Sun, 21 Sep 2003 15:32:28 -0700

Bernd Walter wrote:
> On Sun, Sep 21, 2003 at 10:35:33AM -0700, Lars Eggert wrote:
>>static char init1[]= { 0x80, 0x01, 0x00, 0x20, 0x14 };
>>static char init2[]= { 0x80, 0x01, 0x00, 0x20, 0x14, 0x20, 0x20, 0x20 };
> Are you shure that the above is correct data for the device?
> The IO error could also be returned from the device.

Relatively. It's in the Linux driver, and I've used a Windows USB 
snooper to verify that ATI's Windows driver writes the same two chunks.

> What does USB_DEBUG with hw.usb.debug=2 and hw.usb.ugen.debug=2 say?
> Bevor I download the complete source you mentioned, can you give us the
> lines that lead to the above command?

I'm away from that machine until later, I'll make sure to send the 
output when I get back.

The Linux driver is actually pretty short. Here's the source:

The init packets get written at line 440.

> I don't know, but it could also depend on the controller you use.
> E.g. ehci currently doesn't support interrupt endpoints at all.

Ah. Yes, this is with ehci coupled to ohci. Should I try to disable ehci 
for now?

Lars Eggert <>           USC Information Sciences Institute

Received on Sun Sep 21 2003 - 13:32:38 UTC

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