403 lines
11 KiB
C
403 lines
11 KiB
C
/* recMbbo.c */
|
|
/* share/src/rec $Id$ */
|
|
|
|
/* recMbbo.c - Record Support Routines for multi bit binary Output records
|
|
*
|
|
* Author: Bob Dalesio
|
|
* Date: 7-17-87
|
|
*
|
|
* Control System Software for the GTA Project
|
|
*
|
|
* Copyright 1988, 1989, the Regents of the University of California.
|
|
*
|
|
* This software was produced under a U.S. Government contract
|
|
* (W-7405-ENG-36) at the Los Alamos National Laboratory, which is
|
|
* operated by the University of California for the U.S. Department
|
|
* of Energy.
|
|
*
|
|
* Developed by the Controls and Automation Group (AT-8)
|
|
* Accelerator Technology Division
|
|
* Los Alamos National Laboratory
|
|
*
|
|
* Direct inqueries to:
|
|
* Bob Dalesio, AT-8, Mail Stop H820
|
|
* Los Alamos National Laboratory
|
|
* Los Alamos, New Mexico 87545
|
|
* Phone: (505) 667-3414
|
|
* E-mail: dalesio@luke.lanl.gov
|
|
*
|
|
* Modification Log:
|
|
* -----------------
|
|
* .01 11-28-88 lrd add desired value fetched
|
|
* .02 12-12-88 lrd lock the record while processing
|
|
* .03 12-15-88 lrd Process the forward scan link
|
|
* .04 12-23-88 lrd Alarm on locked MAX_LOCKED times
|
|
* .05 01-09-89 lrd Fix direct value outputs so that they shift the
|
|
* value into the correct bit position
|
|
* .06 01-13-89 lrd delete db_write_mbbo and db_write_mbbo
|
|
* .07 01-20-89 lrd fixed vx inlcudes
|
|
* .08 03-03-89 lrd add supervisory/closed loop control
|
|
* .09 03-29-89 lrd make hardware errors MAJOR
|
|
* remove hw severity spec from database
|
|
* .10 04-07-89 lrd add monitor service
|
|
* .11 05-03-89 lrd removed process mask from arg list
|
|
* .12 05-30-89 lrd fixed mask for allen-bradley IO
|
|
* .13 01-05-90 joh,lrd fixed write_mbbo() to set rval
|
|
* .14 02-08-90 lrd/cr fixed the mbbo to read at initialization for
|
|
* Allen-Bradley and added PLC support
|
|
* .15 04-11-90 lrd make locals static
|
|
* .16 10-11-90 mrk make changes for new record and device support
|
|
*/
|
|
|
|
#include <vxWorks.h>
|
|
#include <types.h>
|
|
#include <stdioLib.h>
|
|
#include <lstLib.h>
|
|
#include <strLib.h>
|
|
|
|
#include <alarm.h>
|
|
#include <dbAccess.h>
|
|
#include <dbDefs.h>
|
|
#include <dbFldTypes.h>
|
|
#include <devSup.h>
|
|
#include <errMdef.h>
|
|
#include <link.h>
|
|
#include <recSup.h>
|
|
#include <special.h>
|
|
#include <mbboRecord.h>
|
|
|
|
/* Create RSET - Record Support Entry Table*/
|
|
long report();
|
|
#define initialize NULL
|
|
long init_record();
|
|
long process();
|
|
long special();
|
|
#define get_precision NULL
|
|
long get_value();
|
|
#define cvt_dbaddr NULL
|
|
#define get_array_info NULL
|
|
#define put_array_info NULL
|
|
long get_enum_str();
|
|
#define get_units NULL
|
|
#define get_graphic_double NULL
|
|
#define get_control_double NULL
|
|
long get_enum_strs();
|
|
|
|
struct rset mbboRSET={
|
|
RSETNUMBER,
|
|
report,
|
|
initialize,
|
|
init_record,
|
|
process,
|
|
special,
|
|
get_precision,
|
|
get_value,
|
|
cvt_dbaddr,
|
|
get_array_info,
|
|
put_array_info,
|
|
get_enum_str,
|
|
get_units,
|
|
get_graphic_double,
|
|
get_control_double,
|
|
get_enum_strs };
|
|
|
|
struct mbbodset { /* multi bit binary input dset */
|
|
long number;
|
|
DEVSUPFUN report;
|
|
DEVSUPFUN init;
|
|
DEVSUPFUN init_record; /*returns: (-1,0)=>(failure,success)*/
|
|
DEVSUPFUN get_ioint_info;
|
|
DEVSUPFUN write_mbbo;/*(-1,0,1)=>(failure,success,don't Continue*/
|
|
};
|
|
|
|
|
|
void alarm();
|
|
void monitor();
|
|
|
|
static long report(fp,paddr)
|
|
FILE *fp;
|
|
struct dbAddr *paddr;
|
|
{
|
|
struct mbboRecord *pmbbo=(struct mbboRecord*)(paddr->precord);
|
|
|
|
if(recGblReportDbCommon(fp,paddr)) return(-1);
|
|
if(fprintf(fp,"VAL %d\n",pmbbo->val)) return(-1);
|
|
if(recGblReportLink(fp,"OUT ",&(pmbbo->out))) return(-1);
|
|
if(recGblReportLink(fp,"FLNK",&(pmbbo->flnk))) return(-1);
|
|
if(fprintf(fp,"RVAL 0x%-8X\n",
|
|
pmbbo->rval)) return(-1);
|
|
return(0);
|
|
}
|
|
|
|
static void init_common(pmbbo)
|
|
struct mbboRecord *pmbbo;
|
|
{
|
|
unsigned long *pstate_values;
|
|
short i;
|
|
|
|
/* determine if any states are defined */
|
|
pstate_values = &(pmbbo->zrvl);
|
|
pmbbo->sdef = FALSE;
|
|
for (i=0; i<16; i++) {
|
|
if (*(pstate_values+i)) {
|
|
pmbbo->sdef = TRUE;
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static long init_record(pmbbo)
|
|
struct mbboRecord *pmbbo;
|
|
{
|
|
struct mbbodset *pdset;
|
|
long status;
|
|
unsigned long *pstate_values;
|
|
short i,rbv;
|
|
|
|
init_common(pmbbo);
|
|
pmbbo->mlst = -1;
|
|
pmbbo->lalm = -1;
|
|
|
|
if(!(pdset = (struct mbbodset *)(pmbbo->dset))) {
|
|
recGblRecordError(S_dev_noDSET,pmbbo,"mbbo: init_record");
|
|
return(S_dev_noDSET);
|
|
}
|
|
/* must have write_mbbo function defined */
|
|
if( (pdset->number < 5) || (pdset->write_mbbo == NULL) ) {
|
|
recGblRecordError(S_dev_missingSup,pmbbo,"mbbo: init_record");
|
|
return(S_dev_missingSup);
|
|
}
|
|
if( pdset->init_record ) {
|
|
if((status=(*pdset->init_record)(pmbbo,process))) return(status);
|
|
if (pmbbo->sdef){
|
|
pstate_values = &(pmbbo->zrvl);
|
|
rbv = -1; /* initalize to unknown state*/
|
|
for (i = 0; i < 16; i++){
|
|
if (*pstate_values == pmbbo->rval){
|
|
rbv = i;
|
|
break;
|
|
}
|
|
pstate_values++;
|
|
}
|
|
}else{
|
|
/* the raw is the desired rbv */
|
|
rbv = (unsigned short)(pmbbo->rval);
|
|
}
|
|
pmbbo->rbv = rbv;
|
|
pmbbo->val = rbv;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static long special(paddr,after)
|
|
struct dbAddr *paddr;
|
|
int after;
|
|
{
|
|
struct mbboRecord *pmbbo = (struct mbboRecord *)(paddr->precord);
|
|
int special_type = paddr->special;
|
|
|
|
if(!after) return(0);
|
|
switch(special_type) {
|
|
case(SPC_MOD):
|
|
init_common(pmbbo);
|
|
return(0);
|
|
default:
|
|
recGblDbaddrError(S_db_badChoice,paddr,"mbbo: special");
|
|
return(S_db_badChoice);
|
|
}
|
|
}
|
|
|
|
static long get_value(pmbbo,pvdes)
|
|
struct mbboRecord *pmbbo;
|
|
struct valueDes *pvdes;
|
|
{
|
|
pvdes->field_type = DBF_ENUM;
|
|
pvdes->no_elements=1;
|
|
(unsigned short *)(pvdes->pvalue) = &pmbbo->val;
|
|
return(0);
|
|
}
|
|
|
|
static long get_enum_str(paddr,pstring)
|
|
struct dbAddr *paddr;
|
|
char *pstring;
|
|
{
|
|
struct mbboRecord *pmbbo=(struct mbboRecord *)paddr->precord;
|
|
char *psource;
|
|
unsigned short val=pmbbo->val;
|
|
|
|
if(val<= 15) {
|
|
psource = (pmbbo->zrst);
|
|
psource += (val * sizeof(pmbbo->zrst));
|
|
strncpy(pstring,psource,sizeof(pmbbo->zrst));
|
|
} else {
|
|
strcpy(pstring,"Illegal Value");
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static long get_enum_strs(paddr,pes)
|
|
struct dbAddr *paddr;
|
|
struct dbr_enumStrs *pes;
|
|
{
|
|
struct mbboRecord *pmbbo=(struct mbboRecord *)paddr->precord;
|
|
char *psource;
|
|
int i;
|
|
|
|
pes->no_str = 16;
|
|
bzero(pes->strs,sizeof(pes->strs));
|
|
for(i=0,psource=(pmbbo->zrst); i<15; i++, psource += sizeof(pmbbo->zrst) )
|
|
strncpy(pes->strs[i],psource,sizeof(pmbbo->zrst));
|
|
return(0);
|
|
}
|
|
|
|
static long process(paddr)
|
|
struct dbAddr *paddr;
|
|
{
|
|
struct mbboRecord *pmbbo=(struct mbboRecord *)(paddr->precord);
|
|
struct mbbodset *pdset = (struct mbbodset *)(pmbbo->dset);
|
|
long status;
|
|
unsigned long *pstate_values;
|
|
short i,rbv;
|
|
|
|
if( (pdset==NULL) || (pdset->write_mbbo==NULL) ) {
|
|
pmbbo->pact=TRUE;
|
|
recGblRecordError(S_dev_missingSup,pmbbo,"write_mbbo");
|
|
return(S_dev_missingSup);
|
|
}
|
|
|
|
/* fetch the desired output if there is a database link */
|
|
if (!pmbbo->pact && pmbbo->dol.type==DB_LINK && pmbbo->omsl==CLOSED_LOOP){
|
|
long options=0;
|
|
long nRequest=1;
|
|
short savepact=pmbbo->pact;
|
|
|
|
pmbbo->pact = TRUE;
|
|
(void)dbGetLink(&pmbbo->dol.value.db_link,pmbbo,DBR_ENUM,
|
|
&(pmbbo->val),&options,&nRequest);
|
|
pmbbo->pact = savepact;
|
|
}
|
|
|
|
if(pmbbo->lalm != pmbbo->val) { /*we have a change*/
|
|
status=(*pdset->write_mbbo)(pmbbo); /* write the new value */
|
|
pmbbo->pact = TRUE;
|
|
|
|
/* status is one if an asynchronous record is being processed*/
|
|
if(status==1) return(0);
|
|
|
|
/* convert the value */
|
|
if (pmbbo->sdef){
|
|
pstate_values = &(pmbbo->zrvl);
|
|
rbv = -1; /* initalize to unknown state*/
|
|
for (i = 0; i < 16; i++){
|
|
if (*pstate_values == pmbbo->rval){
|
|
rbv = i;
|
|
break;
|
|
}
|
|
pstate_values++;
|
|
}
|
|
}else{
|
|
/* the raw value is the desired value */
|
|
rbv = (unsigned short)(pmbbo->rval);
|
|
}
|
|
pmbbo->rbv = rbv;
|
|
} else pmbbo->pact = TRUE;
|
|
|
|
/* check for alarms */
|
|
alarm(pmbbo);
|
|
/* check event list */
|
|
monitor(pmbbo);
|
|
/* process the forward scan link record */
|
|
if (pmbbo->flnk.type==DB_LINK) dbScanPassive(&pmbbo->flnk.value.db_link.pdbAddr);
|
|
|
|
pmbbo->pact=FALSE;
|
|
return(status);
|
|
}
|
|
|
|
static void alarm(pmbbo)
|
|
struct mbboRecord *pmbbo;
|
|
{
|
|
unsigned short *severities;
|
|
short val=pmbbo->val;
|
|
|
|
if(val = pmbbo->lalm) return;
|
|
pmbbo->lalm = val;
|
|
|
|
/* check for state alarm */
|
|
/* unknown state */
|
|
if ((val < 0) || (val > 15)){
|
|
if (pmbbo->nsev<pmbbo->unsv){
|
|
pmbbo->nsta = STATE_ALARM;
|
|
pmbbo->nsev = pmbbo->unsv;
|
|
}
|
|
} else {
|
|
/* in a state which is an error */
|
|
severities = (unsigned short *)&(pmbbo->zrsv);
|
|
if (pmbbo->nsev<severities[pmbbo->val]){
|
|
pmbbo->nsta = STATE_ALARM;
|
|
pmbbo->nsev = severities[pmbbo->val];
|
|
}
|
|
}
|
|
|
|
/* check for cos alarm */
|
|
if (pmbbo->nsev<pmbbo->cosv){
|
|
pmbbo->nsta = COS_ALARM;
|
|
pmbbo->nsev = pmbbo->cosv;
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void monitor(pmbbo)
|
|
struct mbboRecord *pmbbo;
|
|
{
|
|
unsigned short monitor_mask;
|
|
short stat,sevr,nsta,nsev;
|
|
|
|
/* get previous stat and sevr and new stat and sevr*/
|
|
stat=pmbbo->stat;
|
|
sevr=pmbbo->sevr;
|
|
nsta=pmbbo->nsta;
|
|
nsev=pmbbo->nsev;
|
|
/*set current stat and sevr*/
|
|
pmbbo->stat = nsta;
|
|
pmbbo->sevr = nsev;
|
|
pmbbo->nsta = 0;
|
|
pmbbo->nsev = 0;
|
|
|
|
/* anyone waiting for an event on this record */
|
|
if (pmbbo->mlis.count == 0) return;
|
|
|
|
/* Flags which events to fire on the value field */
|
|
monitor_mask = 0;
|
|
|
|
/* alarm condition changed this scan */
|
|
if (stat!=nsta || sevr!=nsev){
|
|
/* post events for alarm condition change*/
|
|
monitor_mask = DBE_ALARM;
|
|
/* post stat and sevr fields */
|
|
db_post_events(pmbbo,&pmbbo->stat,DBE_VALUE);
|
|
db_post_events(pmbbo,&pmbbo->sevr,DBE_VALUE);
|
|
}
|
|
/* check for value change */
|
|
if (pmbbo->mlst != pmbbo->val){
|
|
/* post events for value change and archive change */
|
|
monitor_mask |= (DBE_VALUE | DBE_LOG);
|
|
/* update last value monitored */
|
|
pmbbo->mlst = pmbbo->val;
|
|
}
|
|
/* send out monitors connected to the value field */
|
|
if (monitor_mask){
|
|
db_post_events(pmbbo,&pmbbo->val,monitor_mask);
|
|
}
|
|
if(pmbbo->oraw!=pmbbo->rval) {
|
|
db_post_events(pmbbo,&pmbbo->rval,monitor_mask|=DBE_VALUE);
|
|
pmbbo->oraw = pmbbo->rval;
|
|
}
|
|
if(pmbbo->orbv!=pmbbo->rbv) {
|
|
db_post_events(pmbbo,&pmbbo->rbv,monitor_mask|=DBE_VALUE);
|
|
pmbbo->orbv = pmbbo->rbv;
|
|
}
|
|
return;
|
|
}
|