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Developing a Fax Application
November 2009 77
BT_ZERO(args_tel);
args_tel.timeout = 0L;
BfvLineWaitForCall (lp, &args_tel);
Waits for the detection of an incoming call.
BfvLineAnswer (lp, &args_tel);
Answers the phone line by going off-hook.
BT_ZERO(args_fax);
args_fax.local_id = "Id_string";
BfvFaxSetLocalID(lp,&args_fax);
Sets the local ID to transmit to the sending machine.
BT_ZERO(args_fax);
BfvFaxBeginReceive(lp, &args_fax);
Begins the Phase B handshaking procedure.
BfvFaxGetRemoteInfo(lp, &args_fax);
Waits for the remote to send its ID and capabilities.
BfvFaxWaitForTraining(lp, &args_fax);
Waits for the completion of the Phase B handshaking process.
do
{
BT_ZERO(args_fax);
args_fax.r_tp = tp;
}
while (BfvFaxRcvPageTiff(lp,&args_fax) > 0);
Receives and writes the fax data to the TIFF-F file pointed to by tp.
BfvFaxEndReception(lp, &args_fax);
After the last page is received, waits for the T.30 handshaking
confirmation sequence to complete.
BT_ZERO(args_tiff);
args_tiff.tp = tp;
BfvTiffClose(&args_tiff);
Closes the TIFF file after the file is received.
BT_ZERO(args_admin);
BfvLineDetach (lp, &args_admin);
Frees all the memory for the attached line and closes the device.