Re: [Bluez-devel] BlueZ rfcomm channel

[Lars Grunewaldt <lgw@dark-reality.de>]

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# Bj=F6rn Specht # wrote:
| Hi guys,
|
| I am working on BlueZ for a few days now and it is hard to start
working with it for me. I want to write a program (Client/Server) in C
which uses the rfcomm socket and I want to use a channel to transfer
data between these two computers.
| The HCI_inquiry function is running and finds the other PC. How can I
establish a connection between these two computers with the rfcomm socket=
s?

have a look at the example programs. it should be something like:

(this is for connection to a headset with rfcomm, but it should be
similar. There are other examples in bluez-tools, if I'm not mistaken.

static int rfcomm_connect(bdaddr_t * src, bdaddr_t * dst, uint8_t channel=
)
{
~        struct sockaddr_rc addr;
~        int s;

~        if ((s =3D socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)) < =
0) {
~                return -1;
~        }

~        memset(&addr, 0, sizeof(addr));
~        addr.rc_family =3D AF_BLUETOOTH;
~        bacpy(&addr.rc_bdaddr, src);
~        addr.rc_channel =3D 0;
~        if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
~                close(s);
~                return -1;
~        }

~        memset(&addr, 0, sizeof(addr));
~        addr.rc_family =3D AF_BLUETOOTH;
~        bacpy(&addr.rc_bdaddr, dst);
~        addr.rc_channel =3D channel;
~        if (connect(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
~                close(s);
~                return -1;
~        }

~        return s;
}

have fun,
~  Lars


- --
Lars Grunewaldt
* software development
* multimedia design
skills: C/C++/Java/PHP/(X)HTML/Flash/audio/video
web: http://www.dark-reality.de
mail: lgw@dark-reality.de
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