Re: Fwd: Re: New USB Device

[Johan Hovold <johan@kernel.org>]

[ Pleas avoid top posting. ]

On Sun, Jul 07, 2019 at 09:38:00PM +0200, Markus Breunig wrote:
> Hi Greg,
> 
> also the company GNS has a fragmented homepage, the handbook ist
> available here:
> http://www.servicedocs.com/ARTIKELEN/7200284490001.pdf
> habe a look to page 10 "Remarks to Linux"
> 
> This is the log of "lsusb -v" (full scan result attached):
> 
> Bus 001 Device 004: ID 04d8:f8e8 Microchip Technology, Inc. Harmony
> 300/350 Remote

Are you sure this is the right device? This looks like a remote control,
and one that should be using the cdc-acm driver.

> Device Descriptor:
>    bLength                18
>    bDescriptorType         1
>    bcdUSB               2.00
>    bDeviceClass          255 Vendor Specific Class
>    bDeviceSubClass         0
>    bDeviceProtocol         0
>    bMaxPacketSize0         8
>    idVendor           0x04d8 Microchip Technology, Inc.
>    idProduct          0xf8e8 Harmony 300/350 Remote
>    bcdDevice           48.12
>    iManufacturer           1
>    iProduct                2
>    iSerial                 3
>    bNumConfigurations      1
>    Configuration Descriptor:
>      bLength                 9
>      bDescriptorType         2
>      wTotalLength           67
>      bNumInterfaces          2
>      bConfigurationValue     1
>      iConfiguration          0
>      bmAttributes         0xc0
>        Self Powered
>      MaxPower              100mA
>      Interface Descriptor:
>        bLength                 9
>        bDescriptorType         4
>        bInterfaceNumber        0
>        bAlternateSetting       0
>        bNumEndpoints           1
>        bInterfaceClass         2 Communications
>        bInterfaceSubClass      2 Abstract (modem)
>        bInterfaceProtocol      1 AT-commands (v.25ter)
>        iInterface              0
>        CDC Header:
>          bcdCDC               1.10
>        CDC ACM:
>          bmCapabilities       0x02
>            line coding and serial state
>        CDC Union:
>          bMasterInterface        0
>          bSlaveInterface         1
>        CDC Call Management:
>          bmCapabilities       0x00
>          bDataInterface          1
>        Endpoint Descriptor:
>          bLength                 7
>          bDescriptorType         5
>          bEndpointAddress     0x82  EP 2 IN
>          bmAttributes            3
>            Transfer Type            Interrupt
>            Synch Type               None
>            Usage Type               Data
>          wMaxPacketSize     0x0008  1x 8 bytes
>          bInterval               2
>      Interface Descriptor:
>        bLength                 9
>        bDescriptorType         4
>        bInterfaceNumber        1
>        bAlternateSetting       0
>        bNumEndpoints           2
>        bInterfaceClass        10 CDC Data
>        bInterfaceSubClass      0 Unused
>        bInterfaceProtocol      0
>        iInterface              0
>        Endpoint Descriptor:
>          bLength                 7
>          bDescriptorType         5
>          bEndpointAddress     0x03  EP 3 OUT
>          bmAttributes            2
>            Transfer Type            Bulk
>            Synch Type               None
>            Usage Type               Data
>          wMaxPacketSize     0x0040  1x 64 bytes
>          bInterval               0
>        Endpoint Descriptor:
>          bLength                 7
>          bDescriptorType         5
>          bEndpointAddress     0x83  EP 3 IN
>          bmAttributes            2
>            Transfer Type            Bulk
>            Synch Type               None
>            Usage Type               Data
>          wMaxPacketSize     0x0040  1x 64 bytes
>          bInterval               0

> Am 05.07.2019 07:21, schrieb Greg KH:
> > On Thu, Jul 04, 2019 at 10:47:47PM +0200, Markus Breunig wrote:
> >> Hi Greg,
> >>
> >> using a serial device driver is the idea of the manufacturer
> >> "www.gns-gmbh.com". In the LINUX instructions of the ADS-B receiver some
> >> hints to use the device are given via usbserial.
> >
> > Any pointers to those instructions?
> >
> >> In practice the "GNS 5890 ADS-B Receiver" is similare to some GPS
> >> Receivers with NMEA 0183 interface starting to send information on the
> >> serial interface after power on and signal availabillity (with 115200
> >> boud data rate).

Johan