H Danny, Will let you know if I make any progress. Feel like such a noob, which I am when it comes to this embedded stuff.
Just a quick question. Do I need to have the linux arm kernel installed via tftp before the serial console shows any output? I should think not and that the redboot? loader would output text to the console by default? Is this correct? thanks > I wrote to this list a few weeks back with similar problems Mark. I > couldn't get any communication via the serial ports. > > Two null modem cables and two idc10s to db9 brackets. Tried > resoldering the correct pinouts on the bracket too, nada. No garbage > no nothing. > > Let us know if you make any headway with the cable. > > I'd also be interested in knowing if anyone has managed to get real > perfomance out of the unit, or at least found the bottlenecks that cap > it at around 5-6 MB/s > > Might be fun to trunk eth0 and eth1 too :-) > > Sent from my iPhone > > On Dec 27, 2009, at 2:19 AM, [email protected] wrote: > >> Hi, >> >> The java app is just to see if it possible to test the cable >> somehow. I >> can connect to the serial port on the pc and I know that that is >> working. >> Just writing the data receive event handlers now to see if I can get >> anything. >> >> I will try screen with the serial device too. Its all a learning >> curve for >> me so nothing is wasted :) >> >> Thanks >> >> >> >>> On 12/26/2009 06:26 AM, [email protected] wrote: >>>> I think I may have to write a little java app to see whats wrong >>>> with >>>> the >>>> cable. I can find any message on /var/log/message or /var/log/ >>>> syslog so >>>> its a bit difficult to see if its just a poor soldering job or I am >>>> doing >>>> something else wrong. May be the long way round but it holidays so >>>> got >>>> time to mess around with this stuff. Any pointers appreciated, >>> >>> what are you planning to use the java app for? assuming you're >>> connecting to this serial port from (for example) a host's first USB >>> serial port, you should be able to try it out with plain ol' GNU >>> screen: >>> >>> screen /dev/ttyUSB0 115200 >>> >>> (if your device defaults to a different baud rate, substitute it for >>> 115200). >>> >>> you'd get out of it like killing any other screen session: C-a C-k >>> >>> hth, >>> >>> --dkg >>> >>> >> >> >> >> -- >> To UNSUBSCRIBE, email to [email protected] >> with a subject of "unsubscribe". Trouble? Contact >> [email protected] >> > -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
