USB to serial adapter

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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)

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

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

Links

• http://www.ftdichip.com/
• http://www.prolific.com.tw/