I use an Applied Physics Systems 539 Magnetometer it's baud rate is 9600
http://www.appliedphysics.com/manuals/539man.pdf
my board is a ts 7800
ill trying to set ttyS0 at 9600 and comunicate with this magnetometer
that send automatically and continuosly data on serial port
if i try to read them from term90 or hyperterm i see them . tnks for
your helps ;)
if i don't resolve with bash script ill implements a c program :)
--- In "Andy Mercier" <> wrote:
>
> Try:
> stty -F /dev/ttyS0 9600 raw -echo
>
> When you're running the code with the magnetometer.
>
> Please provide some reference to the magnetometer or post the
> information about it's data steam as it is documented (if it is
> documented). You'll need some line ending or file ending to occur for
> the code using cat to work, long-term.
>
> Now that you've seen it work, you may have to consider writing code
> that opens the serial port and works with it directly so that you can
> implement timeouts if characters don't arrive, for example (the cable
> disconnects). For that kind of coding it's best you read the HOWTO for
> serial communications programming, search of Google today shows:
> http://tldp.org/HOWTO/Serial-Programming-HOWTO/index.html
> http://www.faqs.org/docs/Linux-HOWTO/Serial-Programming-HOWTO.html
>
> We can give you a more complete answer but you're "spoon feeding" some
> information so we'll try again.
>
> Just so I don't miss anything in trying to help... Which TS board are
> you running? If, for no other reason, naming you product will help
> when someone searches the group for specific problems on specific
> products.
>
> ----
> Andy
>
> --- In "e.pifferi" <e.pifferi@> wrote:
> >
> > if i try to send data to 115200 baud rate from hyperterm your code
> > work
> > but if i connect directly on com1 a magnetometer with stream data
> > continuosly at 9600 baud don't save nothing .
> > why ?
> > ive set so the ttyS0:
> > stty -F /dev/ttyS0 9600
> > but don't work can u help me ?
> >
> > another question AM0 -- AM1 -- AM2 are always serial port ?
> > --- In "Andy Mercier" <andynmercier@> wrote:
> > >
> > > If you don't need to use "variable" maybe consider skipping the data
> > > going through bash and allowing *nix power to do the work for you:
> > >
> > > cat /dev/ttyS0 >>file.txt
> > >
> > > It meets your criteria of working from within the bash shell.
> > >
> > > If this doesn't work for you and you still need help please post the
> > > details of how you're configuring the serial port (with stty), which
> > > TS product you're using, etc.
> > >
> > > ----
> > > Andy
> > >
> > > --- In "e.pifferi" <e.pifferi@> wrote:
> > > >
> > > > hy i need to acquire data from an item on ttyS0 and save this
> data on
> > > > a file.txt it's possible to do from bash shell ?
> > > >
> > > > ive tryed so :
> > > >
> > > > read variable < /dev/ttyS0 echo $variable >> file.txt
> > > >
> > > > or so
> > > >
> > > > export variable=`cat /dev/ttyS0 echo $variable >> file.txt
> > > >
> > > > but don't work can anyone help me
> > > >
> > >
> >
>
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