folkert/simh-testsetgenerator
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Arranged sequencing of Modem RING and DCD bits to be presented together if DTR is not on and DCD only if DTR is on.

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This commit is contained in:
Mark Pizzolato 2013-01-25 12:00:53 -08:00
parent 9dcf5dc25e
commit bb9f9155f2
2 changed files with 21 additions and 7 deletions
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27
sim_tmxr.c
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@ -1055,24 +1055,36 @@ return SCPE_OK;
*/
t_stat tmxr_set_get_modem_bits (TMLN *lp, int32 bits_to_set, int32 bits_to_clear, int32 *incoming_bits)
{
int32 changed_modem_bits;
tmxr_debug_trace_line (lp, "tmxr_set_get_modem_bits()");
if ((bits_to_set & ~(TMXR_MDM_OUTGOING)) || /* Assure only settable bits */
(bits_to_clear & ~(TMXR_MDM_OUTGOING)) ||
(bits_to_set & bits_to_clear)) /* and can't set and clear the same bits */
return SCPE_ARG;
changed_modem_bits = lp->modembits;
lp->modembits |= bits_to_set;
lp->modembits &= bits_to_clear;
changed_modem_bits ^= lp->modembits;
if (incoming_bits) {
if ((lp->sock) || (lp->serport))
*incoming_bits = TMXR_MDM_DCD | TMXR_MDM_CTS | TMXR_MDM_DSR;
if ((lp->sock) || (lp->serport)) {
if (lp->modembits & TMXR_MDM_DTR)
*incoming_bits = TMXR_MDM_DCD | TMXR_MDM_CTS | TMXR_MDM_DSR;
else
*incoming_bits = TMXR_MDM_RNG | TMXR_MDM_DCD | TMXR_MDM_CTS | TMXR_MDM_DSR;
}
else
*incoming_bits = (lp->mp && lp->mp->master) ? (TMXR_MDM_CTS | TMXR_MDM_DSR) : 0;
}
if (lp->mp && lp->mp->modem_control) { /* This API ONLY works on modem_control enabled multiplexers */
if (lp->serport)
return sim_control_serial (lp->serport, bits_to_set, bits_to_clear, incoming_bits);
if (lp->sock) {
if (bits_to_clear&TMXR_MDM_DTR) /* drop DTR? */
tmxr_reset_ln (lp);
if (bits_to_set | bits_to_clear) { /* Anything to do? */
if (lp->serport)
return sim_control_serial (lp->serport, bits_to_set, bits_to_clear, incoming_bits);
if (lp->sock) {
if (bits_to_clear&TMXR_MDM_DTR) /* drop DTR? */
tmxr_reset_ln (lp);
}
}
return SCPE_OK;
}
@ -2675,6 +2687,7 @@ for (i = 0; i < mp->lines; i++) { /* loop thru conn */
free (lp->port);
lp->port = NULL;
}
lp->modembits = 0;
}
if (mp->master)

1
sim_tmxr.h
View file

@ -115,6 +115,7 @@ struct tmln {
int32 txdrp; /* xmt drop count */
int32 txbsz; /* xmt buffer size */
int32 txbfd; /* xmt buffered flag */
int32 modembits; /* modem bits which are currently set */
FILE *txlog; /* xmt log file */
FILEREF *txlogref; /* xmt log file reference */
char *txlogname; /* xmt log file name */