requires sudo or udev for this device... but why only this one?

wfm...



On 23/06/16 14:10, Jonathan Chetwynd wrote:
libftdi1-1.1/build$ sudo make install
.....

$lsmod
Module                  Size  Used by
ftdi_sio               53026  0

$ sudo rmmod ftdi_sio

$ lsmod
Module                  Size  Used by
hid_apple              13386  0

$ which ftdi_eeprom /usr/local/bin/ftdi_eeprom

$ ftdi_eeprom --read-eeprom example_UM232H-B.conf

FTDI eeprom generator v0.17
(c) Intra2net AG and the libftdi developers <[email protected]>
Unable to find FTDI devices under given vendor/product id: 0x403/0x6014
Error code: -4 (usb_open() failed)
Retrying with default FTDI pid=0x6001.
Error: device not found


On 23/06/16 13:16, Benjamin Vanheuverzwijn wrote:
Did you unload the ftdi_sio driver?

$ sudo rmmod ftdi_sio

On Thu, Jun 23, 2016 at 4:59 AM, Jonathan Chetwynd <[email protected]> wrote:

    I cannot** connect UM232H-B, any comments or advice appreciated:

    $ ftdi_eeprom --read-eeprom --device i:0x0403:0x6014
    example_UM232H-B.conf

    FTDI eeprom generator v0.17
    (c) Intra2net AG and the libftdi developers
    <[email protected]>
    Unable to find FTDI device with description: i:0x0403:0x6014
    Error code: -4 (usb_open() failed)

    thanks

    Jonathan

    Ubuntu 14.04LTS

    dmesg

    [  520.257141] usb 3-3: new high-speed USB device number 3 using
    xhci_hcd
    [  520.276926] usb 3-3: New USB device found, idVendor=0403,
    idProduct=6014
    [  520.276934] usb 3-3: New USB device strings: Mfr=1, Product=2,
    SerialNumber=3
    [  520.276938] usb 3-3: Product: UM232H-B
    [  520.276941] usb 3-3: Manufacturer: FTDI
    [  520.276944] usb 3-3: SerialNumber: FTWFRDWY
    [  520.278490] ftdi_sio 3-3:1.0: FTDI USB Serial Device converter
    detected
    [  520.278543] usb 3-3: Detected FT232H
    [  520.278546] usb 3-3: Number of endpoints 2
    [  520.278549] usb 3-3: Endpoint 1 MaxPacketSize 512
    [  520.278552] usb 3-3: Endpoint 2 MaxPacketSize 512
    [  520.278555] usb 3-3: Setting MaxPacketSize 512
    [  520.278718] usb 3-3: FTDI USB Serial Device converter now
    attached to ttyUSB0

    **I have a number of other devices (not currently connected)
    0x0403:0x6010 without any problems, and ftdi_eeprom seems to run
    fine.

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