Re: [ts-7000] Re: Missing characters in Serial I/P

["Donal O'Connor" <>]

Hi Paul,

Nope, no usb hubs involved. Plugged directly into one of the USB ports.

I must also mention that it is not just a problem with the serial converter.
I have a ELMScan USB (http://www.scantool.net/scan-tools/elmscan-5-usb.html). I seem to miss an important
character from this, the final > character. I also have to investigate if others are missed but seems that it the final one usually.

Thanks,

Regards,
Donal

On Wed, Mar 25, 2009 at 2:07 PM, Paul Breneman <> wrote:

Thanks Donal for the information. It is good to know that the
USR995700-USB USB-to-Serial Cable has the pl2303 chipset since that is
the chipset that works well for me in my IOGear GUC232A adapter.

Are you using the adapter plugged into a USB hub? If so you might try
using the adapter in one of the TS-7390 on-board USB ports and see if
that works better?

Donal O'Connor wrote:
> Hi Paul,
>
> This is the dmsg output when removing and connecting the adaptor:
>
> ep93xx-ohci ep93xx-ohci: GetStatus roothub.portstatus [2] = 0x00030100 PESC
> CSC PPS
> hub 1-0:1.0: port 3, status 0100, change 0003, 12 Mb/s
> usb 1-3: USB disconnect, address 2
> usb 1-3: unregistering device
> usb 1-3: usb_disable_device nuking all URBs
> usb 1-3: unregistering interface 1-3:1.0
> usbdev1.2_ep81: ep_device_release called for usbdev1.2_ep81
> usbdev1.2_ep02: ep_device_release called for usbdev1.2_ep02
> usbdev1.2_ep83: ep_device_release called for usbdev1.2_ep83
> pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
> pl2303 1-3:1.0: device disconnected
> usb 1-3:1.0: uevent
> usbdev1.2_ep00: ep_device_release called for usbdev1.2_ep00
> usb 1-3: uevent
> hub 1-0:1.0: debounce: port 3: total 100ms stable 100ms status 0x100
> hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0008
> ep93xx-ohci ep93xx-ohci: GetStatus roothub.portstatus [2] = 0x00010101 CSC
> PPS CCS
> hub 1-0:1.0: port 3, status 0101, change 0001, 12 Mb/s
> hub 1-0:1.0: debounce: port 3: total 100ms stable 100ms status 0x101
> ep93xx-ohci ep93xx-ohci: GetStatus roothub.portstatus [2] = 0x00100103 PRSC
> PPS PES CCS
> usb 1-3: new full speed USB device using ep93xx-ohci and address 3
> ep93xx-ohci ep93xx-ohci: GetStatus roothub.portstatus [2] = 0x00100103 PRSC
> PPS PES CCS
> usb 1-3: default language 0x0409
> usb 1-3: new device strings: Mfr=1, Product=2, SerialNumber=0
> usb 1-3: Product: USB-Serial Controller
> usb 1-3: Manufacturer: Prolific Technology Inc.
> usb 1-3: uevent
> usb 1-3: usb_probe_device
> usb 1-3: configuration #1 chosen from 1 choice
> usb 1-3: adding 1-3:1.0 (config #1, interface 0)
> usb 1-3:1.0: uevent
> pl2303 1-3:1.0: usb_probe_interface
> pl2303 1-3:1.0: usb_probe_interface - got id
> pl2303 1-3:1.0: pl2303 converter detected
> usb 1-3: pl2303 converter now attached to ttyUSB0
> drivers/usb/core/inode.c: creating file '003'
> hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0008
>
>
> Guessing pl2303 is the chipset?
>
> Cheers.

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