Sudha Krishna wrote:
Hi,
I am getting the following error when I execute the "motelist" command:
error, could not open key HKLM\SYSTEM\CurrentControlSet\Enum\FTDIBUS
I suppose that you are working with telosb/tmotes. On the tmotes there
is an FTDI's FT232BM USB to Serial converter. It enables to program the
tmote using a PC USB port as an additional - virtual - COM port (VCP).
The drivers for the FT232BM are included in Linux kernel 2.4.20 or
greater. Check for a file named ftdi_sio.o (probably under
/lib/modules/2.6.<version>/kernel/drivers/usb/serial). Plug in a tmote
and check to see if the right driver was loaded:
$ lsmod | grep ftdi
You should see something like:
usbserial 33224 1 ftdi_sio
usbhid 42752 0
usbcore 139076 6
ftdi_sio,usbserial,usbhid,ehci_hcd,uhci_hcd
If the ftdi_sio driver is not loaded when inserting a tmote, you need to
update your kernel.
*Or* you can download the drivers from the FTDI web site
http://www.ftdichip.com/Drivers/VCP.htm. Then, to install the ftdi_sio
driver use the following steps:
1. Create a temporary folder in your linux machine.
$ cd $HOME
$ mkdir tmpftdi
$ cd tmpftdi
$ wget http://www.ftdichip.com/Drivers/VCP/Linux/ftdi_sio.tar.gz
2. Extract the files from ftdi_sio.tar.gz file to your temporary folder
$ gunzip ftdi_sio.tar.gz
$ tar -xvf ftdi_sio.tar
3. Build the driver
$ make
4. Plug in your ftdi device
5. Check to see if default driver was loaded
$ lsmod
you will see ftdi_sio if a driver is loaded
6. Remove the default installed driver
$ sudo rmmod ftdi_sio
7. Install the newly built driver
$ sudo insmod ftdi_sio.o
Note that I have not tested this steps because on my system (Ubuntu
6.06) the VCP worked out of the box.
Hope this helps,
Fabrizio
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