software atmel arm serial USB

[Hans Petter Selasky]

On Saturday 21 August 2010 22:07:34 Volodymyr Kostyrko wrote:
> Hi people.
> 
> Our technical staff are working with some device that can do serial over
> USB but they have no controller. This devices implements USB in software
> (at least they told me so) at atmel arm.
> 
> usbconfig -d x.x dump_device_desc gives me:
> 
> ugen4.2: <PILOT-3 Gate2 (SN:0000023) Tandem LTD> at usbus4, cfg=0
> md=HOST spd=FULL (12Mbps) pwr=ON
> 
>    bLength = 0x0012
>    bDescriptorType = 0x0001
>    bcdUSB = 0x0110
>    bDeviceClass = 0x00ef
>    bDeviceSubClass = 0x0002
>    bDeviceProtocol = 0x0001
>    bMaxPacketSize0 = 0x0040
>    idVendor = 0xffff
>    idProduct = 0x0017
>    bcdDevice = 0x0000
>    iManufacturer = 0x0001  <Tandem LTD>
>    iProduct = 0x0002  <PILOT-3 Gate2 (SN:0000023)>
>    iSerialNumber = 0x0003  <0000023>
>    bNumConfigurations = 0x0001
> 
> I have pointed them on idVendor field but they think this value is ok
> for custom devices.
> 
> In windows they are using usbser.sys to get access to the device. What
> can be done one FreeBSD? Can I specify which device driver should be
> used with this physical device?

You can try adding the VID + PID pair to serial/umodem.c . Try loading:

kldload umodem.ko

First.

--HPS