Hi Richard, There are two USB connectors on the board -- the USB B one is the one which will show up to a PC as a serial device. The USB A one for adding slave devices to the power pc (eg booting a file system from usb) -- are you connecting to the right one?
Cheers, Jack On 12 February 2014 20:20, Richard Black <[email protected]> wrote: > Hi all, > > We've been trying to get the serial link between the ROACH-2 and a PC, and > we haven't had any success at all. > > These are the cable configurations we've tried: > > 1. USB-A Male (ROACH)/USB-A Male (PC) > 2. USB-A Male (ROACH)/USB-Serial Adapter/DB9 Female (PC) > 3. RS232 Pin Headers on-board/DB9 Male Connector/DB9 Female (PC) > > Unfortunately, none of these register any activity on the PC. These > configurations have been tested on the following operating systems: > > 1. RHEL 6.5 > 2. Ubuntu 11.04 > > When I connect the cables up and run dmesg, I see no activity. I've tried > listening on ttyS#, ttyUSB# for anything and nothing happens in my minicom > terminal. > > Also, our USB-Serial Adapter has a status LED to indicate that it is powered > for conversion, but the LED does not light when connected to the ROACH-2. > This makes me suspicious that the USB connector on the ROACH-2 is not > functioning. > > Has anybody else had a problem with this, or do we unfortunately have a > couple of faulty ROACH-2 boards? > > Thanks guys, > Richard Black
