Difference between revisions of "USB to serial adapter"
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The commercial adapters can be separated in 2 categories, because there are only 2 USB<->serial low cost chipmakers: | The commercial adapters can be separated in 2 categories, because there are only 2 USB<->serial low cost chipmakers: | ||
* FTDI one | * FTDI one | ||
| − | * Prolific one | + | * Prolific one (pl23xx) |
| + | |||
| + | {| border="1" cellpadding="5" cellspacing="0" summary="Adapters" | ||
| + | |- style="background:#efefef;" | ||
| + | !'''Model''' || Chip || '''Status''' | '''Driver''' || '''Comments''' | ||
| + | |---------------- | ||
| + | |'''Trendnet TU-S9''' || pl2303 || NT || NA | ||
| + | |---------------- | ||
| + | |''' ''' || style="background:#00ff00;" |working || NT || NA | ||
| + | |---------------- | ||
| + | |} | ||
==Installation== | ==Installation== | ||
Revision as of 14:18, 14 December 2008
Page under construction...
Informations on this page are not guaranteed !!
This type of adapter allows you to add several serial (RS232) ports to your APF board, through the USB Host interface (only available on DevFull & APF27)
Contents
Tested materials
The commercial adapters can be separated in 2 categories, because there are only 2 USB<->serial low cost chipmakers:
- FTDI one
- Prolific one (pl23xx)
| Model | Chip | Driver | Comments |
|---|---|---|---|
| Trendnet TU-S9 | pl2303 | NT | NA |
| working | NT | NA |
Installation
$ make linux-menuconfig Device Drivers ---> [*] USB support ---> <M> USB Serial Converter support Device Drivers ---> [*] USB support ---> <M> USB Serial Converter support ---> <M> USB FTDI Single Port Serial Driver Device Drivers ---> [*] USB support ---> <M> USB Serial Converter support ---> <M> USB Prolific 2303 Single Port Serial Driver $ make
copy following drivers on your target or reflash your rootfs (for more infos, see this page)
drivers/usb/serial/ftdi_sio.ko drivers/usb/serial/pl2303.ko drivers/usb/serial/usbserial.ko
Usage
Load the module, for example if you have a Prolific based adapter:
# modprobe pl2303 usbcore: registered new interface driver usbserial usbserial: USB Serial Driver core usbserial: USB Serial support registered for pl2303 pl2303 1-1.1:1.0: pl2303 converter detected usb 1-1.1: pl2303 converter now attached to ttyUSB0 usbcore: registered new interface driver pl2303 pl2303: Prolific PL2303 USB to serial adaptor driver #
