> > >I should add that the USB 2.0 spec includes the following text (from
> > >section
> 11.24.2.13):
> > >
> > >Test mode of a downstream facing port can only be used in
> > >a well defined sequence of hub states. This sequence is
> > >defined as follows:
> > >
> > >
On Thu, 12 Sep 2019, Allen Blaylock wrote:
> >I should add that the USB 2.0 spec includes the following text (from section
> >11.24.2.13):
> >
> >Test mode of a downstream facing port can only be used in
> >a well defined sequence of hub states. This sequence is
> >defined
>I should add that the USB 2.0 spec includes the following text (from section
>11.24.2.13):
>
>Test mode of a downstream facing port can only be used in
>a well defined sequence of hub states. This sequence is
>defined as follows:
>
>1) All enabled downstream facin
Thank you Alan,
I am still working through understanding the usbmon and this is a helpful hint.
I will contact the device manufacturer and see if there is some alternative
method they recommend for testing.
>Most of the usbmon output shows that a device was attached to port 3 of hub 2
>and enu
On Thu, 12 Sep 2019, Alan Stern wrote:
> On Wed, 11 Sep 2019, Allen Blaylock wrote:
>
> > So I do see the PORT_TEST SetFeature Request and Response when I use
> > tcpdump to
> > make a capture using usbmon. Unfortunately I am not as familiar with the raw
> > usbmon output or some of the diagnost
On Wed, 11 Sep 2019, Allen Blaylock wrote:
> So I do see the PORT_TEST SetFeature Request and Response when I use tcpdump
> to
> make a capture using usbmon. Unfortunately I am not as familiar with the raw
> usbmon output or some of the diagnostics output by usbmon so I may be missing
> somethin
> >>>
> >>> Further down in the mailing list chain Peter Chen states
> Besides, do not connect HUB between your host board and emulation
> board (for sending VID/PID).
> >>> but there is no additional information regarding this statement.
> >> EHSET is used to test embedded host electri
>
>On 9/11/2019 8:27 AM, Peter Chen wrote:
>> On 19-09-10 22:01:58, Allen Blaylock wrote:
>>> I am trying to validate the USB on an embedded platform based on the NXP
>>> i.MX7.
>>> So far I have only been able to validate root ports on the board but
>>> also have a PCIe xhci controller and a mic
On 9/11/2019 8:27 AM, Peter Chen wrote:
> On 19-09-10 22:01:58, Allen Blaylock wrote:
>> I am trying to validate the USB on an embedded platform based on the NXP
>> i.MX7.
>> So far I have only been able to validate root ports on the board but also
>> have a
>> PCIe xhci controller and a micro
On 19-09-10 22:01:58, Allen Blaylock wrote:
> I am trying to validate the USB on an embedded platform based on the NXP
> i.MX7.
> So far I have only been able to validate root ports on the board but also
> have a
> PCIe xhci controller and a microchip USB3503 hub off of the HSIC port on the
> S
10 matches
Mail list logo
