|
This function tries to connect to a Serial Port Profile(SPP) on a remote device.
Input:
dev : STRING
The address of the device to connect to.
UUID : STRING
The UUID of the profile to connect to. If empty, the default SPP profile will be used.
Output:
port : SINT
The port number to use with serOpen.
Returns: INT
1
|
-
|
_BT_OK
|
|
The connection to the port has been established.
|
0
|
-
|
_BT_ERR_NOT_SUPPORTED
|
|
The API is not supported.
|
-1
|
-
|
_BT_ERR_NOT_OPEN
|
|
The adapter is not powered(see btPower).
|
-4
|
-
|
_BT_ERR_NOT_FOUND
|
|
Could not find device.
|
-7
|
-
|
_BT_ERR_NO_RES
|
|
No serial port resources available.
|
-12
|
-
|
_BT_ERR_BUSY
|
|
The adapter is busy.
|
-14
|
-
|
_BT_ERR_CON_FAILED
|
|
Failed to connect to device.
|
-15
|
-
|
_BT_ERR_NOT_AVAIL
|
|
The profile is not currently available.
|
-17
|
-
|
_BT_ERR_TIMEOUT
|
|
Timeout
|
Declaration:
FUNCTION btSerialPortProfileConnect : INT;
VAR_INPUT
dev : STRING;
UUID : STRING := "";
port : ACCESS SINT;
END_VAR;
Example:
INCLUDE rtcu.inc
PROGRAM test;
VAR
rc : INT;
port : SINT;
address : STRING;
END_VAR;
btPower();
BEGIN
...
rc := btSerialPortProfileConnect(dev:=address, port:=port);
DebugFmt(message:="btSerialPortProfileConnect "+address+": \1 , port: \2", v1:=rc, v2 := port);
...
END;
END_PROGRAM;
| 
