From: David R. <dra...@gm...> - 2007-06-29 17:03:49
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I knew I was missing something :P Thank you very much :) -Dave On 6/29/07, Dave Hylands <dhy...@gm...> wrote: > > Hi David, > > > I have a connex 400m, a wifi-CF (fcc), and a robostix-th. I soldered a > > wire-wrap header to the robostix gumstix port. I spliced a cross-over > serial > > cable to give a connection to pins 2 and 3 on the cable. I also have a > small > > cable made up with a pin that can go to any pin on the female end of the > > cable (incase i need a gnd for the cable). I am having some issues with > > getting the device to respond. I have swapped the wires for the serial > port > > between pins 2 and 4 on the robostix, i have added the gnd (pin 1) to > pin 5 > > of the cable, and used it with it off. I get a green LED on my robostix, > but > > no console. I can type characters and they are echoed back to me but > that is > > it. I have tried this with the wifistix connected and removed. I'm using > a > > 5v powersupply. I feel I am missing something (other than the obvious > answer > > of brains ;-P those went fell out of my skull long ago :P). > > The serial pins on the robostix are logic level pins. So you can't > hook it up directly to the PC. You need a serial adapter in the > middle. > > You definitely need ground for the cable. > > See: > <http://docswiki.gumstix.com/Serial_adapters> > < http://docswiki.gumstix.com/Serial_voltages> > > -- > Dave Hylands > Vancouver, BC, Canada > http://www.DaveHylands.com/ <http://www.davehylands.com/> > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > |