[Bluez-devel] playing with handsfree program

[Bluez-devel] playing with handsfree program

[Paul Ionescu]

Hi,

I am trying to use handsfree-040326.tar.gz from
http://140.78.95.100/~vogl/bluez/ to emulate a handsfree device with my
computer and BT adapter. 
I recompiled the program and tried to execute it but I receive imediately
a:
 ./handsfree test.wav 00:60:57:80:84:71 12
Voice setting: 0x0060
Can't connect RFCOMM channel: Invalid argument

I think it is because of recent changes in bluez-libs and utilities,
because a " rfcomm connect hci0 MY_BT_ADDR 12 " works just fine.

The problem I think is in rfcomm_connect() function from handsfree.c. I
will try to do more tests, but if somebody has an idea what might be
wrong, I will apreciate a hint.

I copy here the rfcomm_connect() function for readability.

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

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

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

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

    return s;
}




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Re: [Bluez-devel] playing with handsfree program

[Marcel Holtmann]

Hi Paul,

> I am trying to use handsfree-040326.tar.gz from
> http://140.78.95.100/~vogl/bluez/ to emulate a handsfree device with my
> computer and BT adapter. 
> I recompiled the program and tried to execute it but I receive imediately
> a:
>  ./handsfree test.wav 00:60:57:80:84:71 12
> Voice setting: 0x0060
> Can't connect RFCOMM channel: Invalid argument
> 
> I think it is because of recent changes in bluez-libs and utilities,
> because a " rfcomm connect hci0 MY_BT_ADDR 12 " works just fine.

I am not aware of any change that could cause this error message.

Regards

Marcel




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