firmdl issue with RCXTTY [SOLVED]

[pancakethecat]

I'm using ubuntu 10.10 with the RCX 1.0 and the serial IR tower that came with it. Installing leJOS 3.0.0 worked, but I get write errors and the terminal stalls for a bit whenever I try firmdl. I'm using a usb to serial converter, as my laptop has no serial ports.

(when RCXTTY is set to /dev/bus/usb/001/004, which is what I tried after running lsusb and finding the bus and specific device of the usb-serial converter):

.../lejos.3.0.0-RC2/bin$ firmdl
read firmware srec
100%
Installing firmware
Loading native libs
write: Invalid argument


(when RCXTTY is set to /dev/ttyS0, which is what the forums and tutorial suggest):

.../lejos.3.0.0-RC2/bin$ firmdl
read firmware srec
100%
Installing firmware
Loading native libs
read: Input/output error
read: Input/output error
read: Input/output error
read: Input/output error
write: Input/output error

I made sure there was no sunlight in the room. My only guess is that RCXTTY should be something else. but what?

Thanks!

[pancakethecat]

Fixed the whole thing by setting RCXTTY to /dev/ttyUSB0:

$ export RCXTTY=/dev/ttyUSB0

I feel dumb. Thanks, all!