Using EHSET module

Using EHSET module

[CHMIELARZ Radoslaw]

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Hi,

I'm trying to certify USB on our device that is running Linux 4.14. For windows systems we were using https://www.usb.org/usb2tools. For linux the only option I have found is a kernel module called EHSET. Unfortunately I can't manage to get it working, can You please help?

I have added the following configuration:

  *   CONFIG_USB_HCD_TEST_MODE=y
  *   USB_EHSET_TEST_FIXTURE=m

Then on the system I type in modprobe ehset. After this looking at the source code of ehset.c<https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/usb/misc/ehset.c?h=v4.14> I assumed that inserting USB stick with VendorID: 0x1a0a and ProductID: 0x0104 would start the Packet command, but it doesn't do anything (not output visible on the oscilloscope). The device is loaded as a regular USB stick.

The output I see is:

[ 1059.904034] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1

[ 1059.935515] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00

[ 1059.941700] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002

[ 1059.948523] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

[ 1059.955776] usb usb1: Product: EHCI Host Controller

[ 1059.960680] usb usb1: Manufacturer: Linux 4.14.87-rt50 ehci_hcd

[ 1059.966627] usb usb1: SerialNumber: ci_hdrc.0

[ 1059.974486] usb usb1: usb_probe_device

[ 1059.982387] hub 1-0:1.0: usb_probe_interface

[ 1059.986735] hub 1-0:1.0: USB hub found

[ 1059.990614] hub 1-0:1.0: 1 port detected

[ 1060.475521] usb 1-1: new high-speed USB device number 2 using ci_hdrc

[ 1060.677970] usb 1-1: New USB device found, idVendor=1a0a, idProduct=0104

[ 1060.684709] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3

[ 1060.691877] usb 1-1: Product: USB DISK 3.0

[ 1060.696005] usb 1-1: Manufacturer:

[ 1060.700215] usb 1-1: SerialNumber: 190073AE389B2300

[ 1060.708279] usb 1-1: usb_probe_device

[ 1060.716351] usb-storage 1-1:1.0: usb_probe_interface

[ 1060.724692] usb-storage 1-1:1.0: USB Mass Storage device detected

[ 1060.745330] scsi host1: usb-storage 1-1:1.0

Thanks in advance!

Radek


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Re: Using EHSET module

[Greg KH]

On Thu, Mar 07, 2019 at 11:41:58AM +0000, CHMIELARZ Radoslaw wrote:
> Hi,
> 
> I'm trying to certify USB on our device that is running Linux 4.14.
> For windows systems we were using https://www.usb.org/usb2tools. For
> linux the only option I have found is a kernel module called EHSET.
> Unfortunately I can't manage to get it working, can You please help?

First, try asking USB questions on the linux-usb@vger.kernel.org mailing
list.

Secondly, the ehset module is to test things when you are running Linux
as the host, not the device, it is to be installed on the host system.

thanks,

greg k-h

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AW: Using EHSET module

[CHMIELARZ Radoslaw]

Hi Greg,

OK, thanks. I will ask there.

As for the system yes, we are using this module as a host.

Cheers,
Radek

-----Ursprüngliche Nachricht-----
Von: Greg KH <greg@kroah.com> 
Gesendet: czwartek, 7 marca 2019 12:53
An: CHMIELARZ Radoslaw <radoslaw.chmielarz@leica-geosystems.com>
Cc: kernelnewbies@kernelnewbies.org
Betreff: Re: Using EHSET module

On Thu, Mar 07, 2019 at 11:41:58AM +0000, CHMIELARZ Radoslaw wrote:
> Hi,
> 
> I'm trying to certify USB on our device that is running Linux 4.14.
> For windows systems we were using 
> https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.usb.org%2Fusb2tools&amp;data=02%7C01%7C%7C22e9f4cc354f4e1034ae08d6a2f36c53%7C1b16ab3eb8f64fe39f3e2db7fe549f6a%7C0%7C0%7C636875563707763954&amp;sdata=EKYvoBtS6NeeVxh%2FmRm1tkBI11SlppN9yOWcIe%2Fd6kk%3D&amp;reserved=0. For linux the only option I have found is a kernel module called EHSET.
> Unfortunately I can't manage to get it working, can You please help?

First, try asking USB questions on the linux-usb@vger.kernel.org mailing list.

Secondly, the ehset module is to test things when you are running Linux as the host, not the device, it is to be installed on the host system.

thanks,

greg k-h

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