dx_play( )

Chuc nang: Chy file am thanh da ghi truoc do tren mot kenh quy dinh

* Chay 1 file thoai. Ket thuc khi nhan duoc 4 chu so hoac ket thuc file

#include <fcntl.h>

#include <srllib.h>

#include <dxxxlib.h>

#include <windows.h>

main( )

{

int chdev;

DX_IOTT iott;

DV_TPT tpt;

DV_DIGIT dig;

/* Mo kenh su dung dx_open(), lay mieu ta kenh thiet bi trong chdev*/

if ((chdev = dx_open("dxxxB1C1",NULL)) == -1) {

/* process error */

}

/* set up DX_IOTT */

iott.io_type = IO_DEV|IO_EOT;

iott.io_bufp = 0; /*Con tro den bo nho co so*/

iott.io_offset = 0; /*Bo dem bu*/

iott.io_length = -1; /* Chay den khi ket thuc file */

if((iott.io_fhandle = dx_fileopen("prompt.vox", O_RDONLY|O_BINARY))

== -1) {

/* process error */

}

/* set up DV_TPT */

dx_clrtpt(&tpt,1);

tpt.tp_type = IO_EOT; /* Chi muc trong bang */

tpt.tp_termno = DX_MAXDTMF; /* So chu so toi da */

tpt.tp_length = 4; /* Ket thuc tai 4 chu so */

tpt.tp_flags = TF_MAXDTMF; /* Su dung co mac dinh */

/* Xoa cac chu so da nhap truoc do */

if (dx_clrdigbuf(chdev) == -1) {

/* process error */

}

/* Chay file */

if (dx_play(chdev,&iott,&tpt,EV_SYNC) == -1) {

/* process error */

}

/* Nhap so vao dx_getdig( ) va tiep tuc tien trinh */

}