Re: Which serial driver for the development board?

From: Hans Petter Selasky <hps_at_selasky.org>
Date: Thu, 23 Mar 2023 14:05:02 UTC 
On 3/23/23 13:04, Milan Obuch wrote:
> Hi,
> 
> I just received Sparkfun QuickLogic board. After connecting it via USB,
> I found following device:
> 
> # usbconfig -d ugen0.5 dump_all_desc
> ugen0.5: <vendor 0x1d50 product 0x6141> at usbus0, cfg=255 md=HOST spd=FULL (12Mbps) pwr=ON (100mA)
> 
>    bLength = 0x0012
>    bDescriptorType = 0x0001
>    bcdUSB = 0x0200
>    bDeviceClass = 0x0002  <Communication device>
>    bDeviceSubClass = 0x0000
>    bDeviceProtocol = 0x0000
>    bMaxPacketSize0 = 0x0020
>    idVendor = 0x1d50
>    idProduct = 0x6141
>    bcdDevice = 0x0000
>    iManufacturer = 0x0000  <no string>
>    iProduct = 0x0000  <no string>
>    iSerialNumber = 0x0000  <no string>
>    bNumConfigurations = 0x0001
> 
> Searching for VID and PID did not get me anything. Trying any of our
> USB serial driver did not create any device. How can I connect to this
> device? It should be some serial port because that's what Sparkfun page
> says... Any hint?
> 
> Regards,
> Milan
> 
> N. B. I was able to connect to this device using my Mac:
> 
> # cu -l /dev/tty.usbmodem1411
> Connected.
> ##############
> 
> 
> 
> Hello world!!
> 
> #*******************
> Command Line Interface
> App SW Version: qorc-sdk/qt_apps/qt_helloworldsw
> #*******************
> 

Hi!

Did you try to dump the configuration descriptor?

Maybe umodemX can handle it ...

--HPS