ftdi_sio
You can set the settings for this driver in the modprobe configuration files.
The ftdi_sio driver requires the following settings to be set in the
/etc/modprobe.conf.d/tng_buffer.conf file. If it doesn't exist, create it.
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options ftdi_sio vendor=0x0403 product=0xbda8
Now you can unload the driver and load it again using these commands:
To allow auto loading of the driver on startup, add the driver name to the /etc/modules file.
/etc/modules
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ftdi_sio
Unload
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/sbin/rmmod ftdi_sio
Load Driver
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/sbin/modprobe ftdi_sio
This should create the device /dev/ttyUSB0 or if there is already one, the next device in the list.
Run this to check the last output from the kernel to see which device got loaded.
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dmesg
The output should look like this:
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[16095.844582] usbcore: registered new interface driver usbserial
[16095.844629] USB Serial support registered for generic
[16095.847218] usbcore: registered new interface driver usbserial_generic
[16095.847225] usbserial: USB Serial Driver core
[16095.865400] USB Serial support registered for FTDI USB Serial Device
[16095.866808] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[16095.868452] usb 5-1: Detected FT232RL
[16095.868458] usb 5-1: Number of endpoints 2
[16095.868462] usb 5-1: Endpoint 1 MaxPacketSize 64
[16095.868465] usb 5-1: Endpoint 2 MaxPacketSize 64
[16095.868468] usb 5-1: Setting MaxPacketSize 64
[16095.873614] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB0
[16095.873670] usbcore: registered new interface driver ftdi_sio
[16095.873674] ftdi_sio: v1.6.0:USB FTDI Serial Converters Driver
You should see a line where the ttyUSB0 was loaded. (if you have other USB devices on the PC, it might not be 1, but some other number)