*SPAM* Re: Serial port and gps issues
cristian paul peñaranda rojas
paul at kristianpaul.org
Sat Jul 10 00:26:42 EDT 2010
On Fri, Jul 09, 2010 at 09:21:16PM -0500, cristian paul peñaranda rojas wrote:
> On Fri, Jul 09, 2010 at 05:17:12PM +0200, Bas Wijnen wrote:
> > On Fri, Jul 09, 2010 at 09:50:54AM -0500, cristian paul peñaranda rojas wrote:
> > > GPS works just when the TX pin from it is wired to the Nanonote RX (i confirmed cause both picocom and gpsd show data coming from)
> > >
> > > But if RX is wired the tranmistion stoped :/, seems not be a power issue after tested with separate 3V3 power
> > > Is not gpsd, it also happen with picocom terminal.
> > I haven't tried receiving on my serial port yet, but AFAIK it shouldn't
> > be a problem to do it simultaneously.
> > What I do know from serial ports in general, is that they can easily do
> > strange things. In this case, it sounds like there is data sent by the
> > NanoNote, which confuses the gps. Is it possible that the port is set
> > to echo things which are sent to it, for example? You can disable this
> > with "stty -F /dev/ttyS0 -echo".
> Thanks for sharing your wisdom now it dint stop seding data :)
I speak too fast still sam issue i think i unplug RX cable so my fault
about good news wich are not yet good
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