Re: [MiNT] USB support in 1-19-cur (EtherNat)

[Alan Hourihane <alanh@fairlite.co.uk>]

On 17/09/15 12:53, Stefan Niestegge wrote:
> Hi David,
>
>>> Into the c:/mint/1-19-cur/usb folder i've put:
>>>
>>> loader.prg
>>> storage.udd
>>> usb060.km
>>> ethernat.ucd
>>>
>> this is OK, if alll the modules are from the same package.
>>
>>
>> In your usb folder above there is no mouse.udd, I guess you forgot to type it.
> thats correct. Its in fact in there.
>
>> Regarding the MiNT's mouse driver and the EtherNat, I've never tested
>> it (I don't have the hardware to do it) and I don't know if somebody
>> has, I don't know either whether it should work.
> okay, so i'm the first user giving feedback, wow.
>
>> In the other hand the USB mass storage driver should work with the
>> 1-19-cur kernel. 
> Today, i was not able to reproduce the problems. USB storage worked
> nice. Perhaps it was a problem with the media i tried last time.
> I'll report if the problem comes up again.
>
>> May be the mouse driver is interfering in some way,
>> could you use the usbdeb.km (rename it to usb060.km) to have more
>> information about the cause of the problem?
> I will do that and report. In the meantime i opened a bash and ran "top"
> inside it. "mousepoll" uses 99% CPU time as soon as i plug my logitech
> mouse. System works, USB mouse too, but very slow. After unplug
> of the mouse the system behaves normal again.
>

This isn't unexpected. The mouse driver was written with TOS only in
mind, and to get it to work
properly without consuming CPU, is to implement USB interrupts
correctly. That functionality
is missing at the moment within our USB stack.

Alan.