[BRLTTY] usb to serial problems

[Daniel Dalton]

On Wed, 30 Apr 2008, Jason White wrote:

>> From earlier in the thread, it was an attempt to connect the braille display
> to a laptop that lacks a serial port, hence requiring a serial to USB adapter.

Actually my  new desktop does not have one, but yes.

>
> I would recommend following Dave's advice and providing a list of what is
> connected to what, and the output of lsusb -v (the -v option should give full
> vendor/product ids for all of the USB devices, including the serial to USB
> hardware, which should be connected when you issue this command).

Will answer Dave's questions in my next post: here is lsusb anyway.


Bus 001 Device 003: ID 4348:5523 
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.10
   bDeviceClass          255 Vendor Specific Class
   bDeviceSubClass         0
   bDeviceProtocol         0
   bMaxPacketSize0         8
   idVendor           0x4348
   idProduct          0x5523
   bcdDevice            2.50
   iManufacturer           0
   iProduct                2 USB-SER!
   iSerial                 0
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           39
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0x80
       (Bus Powered)
     MaxPower               78mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           3
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      1
       bInterfaceProtocol      2
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x82  EP 2 IN
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0020  1x 32 bytes
         bInterval               0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x02  EP 2 OUT
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0020  1x 32 bytes
         bInterval               0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0008  1x 8 bytes
         bInterval               1
Device Status:     0x0000
   (Bus Powered)

Bus 001 Device 001: ID 0000:0000 
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.10
   bDeviceClass            9 Hub
   bDeviceSubClass         0 Unused
   bDeviceProtocol         0 Full speed (or root) hub
   bMaxPacketSize0        64
   idVendor           0x0000
   idProduct          0x0000
   bcdDevice            2.06
   iManufacturer           3 Linux 2.6.24-1-486 uhci_hcd
   iProduct                2 UHCI Host Controller
   iSerial                 1 0000:00:1f.4
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           25
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xe0
       Self Powered
       Remote Wakeup
     MaxPower                0mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       bInterfaceClass         9 Hub
       bInterfaceSubClass      0 Unused
       bInterfaceProtocol      0 Full speed (or root) hub
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0002  1x 2 bytes
         bInterval             255
Hub Descriptor:
   bLength               9
   bDescriptorType      41
   nNbrPorts             2
   wHubCharacteristic 0x000a
     No power switching (usb 1.0)
     Per-port overcurrent protection
   bPwrOn2PwrGood        1 * 2 milli seconds
   bHubContrCurrent      0 milli Ampere
   DeviceRemovable    0x00
   PortPwrCtrlMask    0xff
  Hub Port Status:
    Port 1: 0000.0103 power enable connect
    Port 2: 0000.0100 power
Device Status:     0x0003
   Self Powered
   Remote Wakeup Enabled

Thanks to everyone who has helped me out with this, Jason, Dave and Mario. 
Hopefully I didn't miss anyone. Thanks for all the help I appreciate 
everyone's suggestions/help/ideas.

Cheers,

-- 
Daniel Dalton

http://members.iinet.net.au/~ddalton/
<d.dalton at iinet.net.au>