Re: [Bluez-users] Programming in C with Bluetooth Sockets

["Albert Huang" <albert@csail.mit.edu>]

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use hcidump -X -V to examine the packets that actually get transmitted and
received.  That might give you some insight on where things are going wrong.

-albert

On 4/19/06, Eric Munson <ebmunson@gmail.com> wrote:
>
> Thanks for the link, but I have already been through that
> documentation and my initial attempt was a direct copy of of his
> RFCOMM socket code found here:
> http://people.csail.mit.edu/albert/bluez-intro/x499.html  This code
> gave the results that I am describing (only getting the first 4 bytes
> of a string).
>
> Thanks,
> Eric
>
> On 4/18/06, Sowmya Gattupalli <sowmya.gattupalli@gmail.com> wrote:
> > I think u are not doing the socket programmin properly
> > check out this link
> > http://people.csail.mit.edu/albert/bluez-intro/index.html
> > by Albert
> >
> >
> > On 4/19/06, Eric Munson <ebmunson@gmail.com> wrote:
> > >
> >  I am attempting to move data across a bluetooth connection using
> > RFCOMM sockets in C.
> >
> > I am able to establish the connection and I can successfully send and
> > receive the first four bytes of the message.  The sending program
> > reports a complete success and the receiving program only reads the
> > first four characters.
> >
> > I have tried several things to make this work, first was to send the
> > message size initially and then break the message up into pieces no
> > bigger than 4 bytes and send them individually.  The sending program
> > again reports a complete success and the receiving program gets the
> > correct message size and only the first four bytes of the message.
> >
> >  The next step I tried was to have each side close the socket after
> > each transmission and open a new socket for each data chunk.  This led
> > to the same results as before.
> >
> > I am at a loss about what I am doing wrong after searching the web for
> > information on bluetooth socket programming.  Has Anyone seen this
> > sort of problem before and if so what did you do to fix it?  Thanks
> > for your help.
> >
> >
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