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Fixed COS task so it works for > 1 link.

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This commit is contained in:
Marty Kraimer
1995-02-27 15:35:38 +00:00
parent 49b77d096f
commit 64bd8e03dc
1 changed files with 10 additions and 15 deletions
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25
src/drv/drvAb.c
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@@ -1304,13 +1304,14 @@ abDoneTask(){
*
* simulate a change of state interrupt from the Allen-Bradley
*/
unsigned char ab_old_binary_ins[AB_MAX_LINKS*AB_MAX_ADAPTERS*AB_MAX_CARDS];
unsigned short ab_old_binary_ins[AB_MAX_LINKS][AB_MAX_ADAPTERS][AB_MAX_CARDS];
ab_bi_cos_simulator()
{
register struct ab_region *p6008;
register unsigned short link;
register unsigned short *pcard;
unsigned short *ps_input,*ps_oldval;
unsigned short new;
unsigned short *pold;
short adapter,card,inpinx;
short first_scan,first_scan_complete;
short adapter_status_change;
@@ -1323,8 +1324,6 @@ ab_bi_cos_simulator()
first_scan_complete = FALSE;
first_scan = TRUE;
for(;;){
/* check each link */
link = 0;
for (link = 0; link < AB_MAX_LINKS; link++){
if ((p6008 = p6008s[link]) == 0) continue;
for (adapter = 0; adapter < AB_MAX_ADAPTERS; adapter++){
@@ -1335,28 +1334,24 @@ ab_bi_cos_simulator()
for (card = 0; card < AB_MAX_CARDS; card++){
pcard = &ab_config[link][adapter][card];
inpinx = (adapter * AB_CARD_ADAPTER) + card;
pold = &ab_old_binary_ins[link][adapter][card];
if ((*pcard & AB_INTERFACE_TYPE) != AB_BI_INTERFACE) continue;
if ((*pcard & AB_CARD_TYPE) == ABBI_16_BIT){
/* sixteen bit byte ordering in dual ported memory */
/* byte 0011 2233 4455 6677 8899 AABB */
/* card 0000 2222 4444 6666 8888 AAAA */
if (inpinx & 0x1) continue;
ps_input = (unsigned short *)&(p6008->iit[inpinx]);
ps_oldval = (unsigned short *)&(ab_old_binary_ins[inpinx]);
if ((*ps_input != *ps_oldval) || first_scan || adapter_status_change){
scanIoRequest(ioscanpvt[link][adapter][card]);
*ps_oldval = *ps_input;
}
new = *(unsigned short *)&(p6008->iit[inpinx]);
}else{
/* eight bit byte ordering in dual ported memory */
/* 1100 3322 5544 7766 9988 BBAA */
if (inpinx & 0x1) inpinx--; /* shuffle those bytes */
else inpinx++;
if ((p6008->iit[inpinx] != ab_old_binary_ins[inpinx]) || first_scan || adapter_status_change){
scanIoRequest(ioscanpvt[link][adapter][card]);
ab_old_binary_ins[inpinx] = p6008->iit[inpinx];
}
new = (unsigned short)(p6008->iit[inpinx]);
}
if((new!=*pold) || first_scan || adapter_status_change){
scanIoRequest(ioscanpvt[link][adapter][card]);
*pold = new;
}
}
}