User's Manual

Voice API Programming Guide — June 2005 107
Recording and Playback
/* Open voice board 1 channel 1 device */
if ((chdev1 = dx_open("dxxxB1C1", 0)) == -1) {
printf("Cannot open channel dxxxB1C1. errno = %d", errno);
exit(1);
}
/* Open voice board 1 channel 2 device */
if ((chdev2 = dx_open("dxxxB1C2", 0)) == -1) {
printf("Cannot open channel dxxxB1C2. errno = %d", errno);
exit(1);
}
/* Open MSI/SC board 1 station 1 device */
if ((msdev1 = ms_open("msiB1C1", 0)) == -1) {
printf("Cannot open station msiB1C1. errno = %d", errno);
exit(1);
}
/* Open MSI/SC board 1 station 2 device */
if ((msdev2 = ms_open("msiB1C2", 0)) == -1) {
printf("Cannot open station msiB1C2. errno = %d", errno);
exit(1);
}
/* Initialize a TDM bus time slot information */
sc_tsinfo.sc_numts = 1;
sc_tsinfo.sc_tsarrayp = &scts;
/* Get TDM bus time slot connected to transmit of MSI/SC station 1 on board 1 */
if (ms_getxmitslot(msdev1, &sc_tsinfo) == -1) {
printf("Error message = %s, on %s", ATDV_ERRMSGP(msdev1), ATDV_NAMEP(msdev1));
exit(1);
}
ms1txts = scts;
/* Get TDM bus time slot connected to transmit of MSI/SC station 2 on board 1 */
if (ms_getxmitslot(msdev2, &sc_tsinfo) == -1) {
printf("Error message = %s, on %s", ATDV_ERRMSGP(msdev2), ATDV_NAMEP(msdev2));
exit(1);
}
ms2txts = scts;
/* Get TDM bus time slot connected to transmit of voice channel 1 on board 1 */
if (dx_getxmitslotecr(chdev1, &sc_tsinfo) == -1) {
printf("Error message = %s, on %s", ATDV_ERRMSGP(chdev1), ATDV_NAMEP(chdev1));
exit(1);
}
ch1ecrtxts = scts;
/* Get TDM bus time slot connected to transmit of voice channel 2 on board 1 */
if (dx_getxmitslotecr(chdev2, &sc_tsinfo) == -1) {
printf("Error message = %s, on %s", ATDV_ERRMSGP(chdev2), ATDV_NAMEP(chdev2));
exit(1);
}
ch2ecrtxts = scts;
/* Have MSI/SC station 1 listen to channel 2's echo-cancelled transmit */
if (ms_listen(msdev1, &sc_tsinfo) == -1) {
printf("Error message = %s, on %s", ATDV_ERRMSGP(msdev1), ATDV_NAMEP(msdev1));
exit(1);
}
scts = ch1ecrtxts;
/* Have MSI/SC station 2 listen to channel 1's echo-cancelled transmit */
if (ms_listen(msdev2, &sc_tsinfo) == -1) {
printf("Error message = %s, on %s", ATDV_ERRMSGP(msdev2), ATDV_NAMEP(msdev2));
exit(1);
}