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zDDMRecord.c
1271 lines (1126 loc) · 39.9 KB
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zDDMRecord.c
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/************************************************************************
* Record support for BNL germanium multi-element germanium detectors *
* *
* D. P Siddons, Jan. 2016. *
* *
* Provides controls for mars and mars ASICs used in *
* 64- and 384-element strip detectors based on Maia ASIC configuration. *
* *
*************************************************************************/
#define VERSION 1.0
#include <epicsVersion.h>
#if EPICS_VERSION < 3 || (EPICS_VERSION==3 && EPICS_REVISION < 14)
#define NOT_YET_OSI
#endif
#if defined(NOT_YET_OSI) || defined(VXWORKSTARGET)
#include <vxWorks.h>
#ifndef __vxworks
#define __vxworks 1
#endif
#include <types.h>
#include <stdio.h>
#include <unistd.h>
#include <stdioLib.h>
#include <lstLib.h>
#include <string.h>
#include <wdLib.h>
#else
#include <epicsTimer.h>
extern epicsTimerQueueId zDDMWdTimerQ;
#endif
#include <stdio.h>
#include <stdlib.h>
#include <alarm.h>
#include <callback.h>
#include <dbDefs.h>
#include <dbAccess.h>
#include <dbScan.h>
#include <dbEvent.h>
#include <dbFldTypes.h>
#include <errMdef.h>
#include <recSup.h>
#include <recGbl.h>
#include <devSup.h>
#include <special.h>
#include <iocsh.h>
#include <epicsExport.h>
#define GEN_SIZE_OFFSET
#include "zDDMRecord.h"
#undef GEN_SIZE_OFFSET
#include "devzDDM.h"
#include <zmq.h>
#define zDDM_STATE_IDLE 0
#define zDDM_STATE_WAITING 1
#define zDDM_STATE_COUNTING 2
#define USER_STATE_IDLE 0
#define USER_STATE_WAITING 1
#define USER_STATE_REQSTART 2
#define USER_STATE_COUNTING 3
#define MARS_CONF_LOAD 0
#define LEDS 1
#define MARS_CONFIG 2
#define VERSIONREG 3
#define MARS_CALPULSE 4
#define MARS_PIPE_DELAY 5
#define MARS_RDOUT_ENB 8
#define EVENT_TIME_CNTR 9
#define SIM_EVT_SEL 10
#define SIM_EVENT_RATE 11
#define ADC_SPI 12
#define CALPULSE_CNT 16
#define CALPULSE_RATE 17
#define CALPULSE_WIDTH 18
#define CALPULSE_MODE 19
#define TD_CAL 20
#define EVENT_FIFO_DATA 24
#define EVENT_FIFO_CNT 25
#define EVENT_FIFO_CNTRL 26
#define DMA_CONTROL 32
#define DMA_STATUS 33
#define DMA_BASEADDR 34
#define DMA_BURSTLEN 35
#define DMA_BUFLEN 36
#define DMA_CURADDR 37
#define DMA_THROTTLE 38
#define DMA_IRQ_THROTTLE 48
#define DMA_IRQ_ENABLE 49
#define DMA_IRQ_COUNT 50
#define TRIG 52
#define COUNT_TIME 53
#define FRAME_NO 54
#define COUNT_MODE 55
#ifdef NODEBUG
#define Debug(l,FMT,V) ;
#else
#define Debug(l,FMT,V) { if(l <= zDDMRecordDebug) \
{ printf("%s(%d):",__FILE__,__LINE__); \
printf(FMT,V); } }
#endif
int I2Cdev; /* The i2c device file name */
volatile int zDDMRecordDebug = 0;
epicsExportAddress(int,zDDMRecordDebug);
volatile int zDDM_wait_time = 3;
epicsExportAddress(int,zDDM_wait_time);
#define MIN(a,b) (a)<(b)?(a):(b)
#define MAX(a,b) (a)>(b)?(a):(b)
volatile int zDDM_NCHAN;
volatile int zDDM_NCHIPS;
extern det_state zDDM_state;
extern int stuff_mars();
/* Create RSET - Record Support Entry Table*/
#define report NULL
#define initialize NULL
static long init_record(zDDMRecord *, int);
static long process(zDDMRecord *);
static long special();
#define get_value NULL
static long cvt_dbaddr(DBADDR *);
static long get_array_info(DBADDR *, long *, long *);
#define put_array_info NULL
#define get_units NULL
static long get_precision(DBADDR *, long *);
#define get_enum_str NULL
#define get_enum_strs NULL
#define put_enum_str NULL
#define get_graphic_double NULL
#define get_control_double NULL
#define get_alarm_double NULL
rset zDDMRSET = {
RSETNUMBER,
report,
initialize,
init_record,
process,
special,
get_value,
cvt_dbaddr,
get_array_info,
put_array_info,
get_units,
get_precision,
get_enum_str,
get_enum_strs,
put_enum_str,
get_graphic_double,
get_control_double,
get_alarm_double
};
epicsExportAddress(rset,zDDMRSET);
extern void *context;
extern void *requester;
extern int *fpgabase;
static void do_alarm();
static void monitor();
static void updateCounts(zDDMRecord *pscal);
static long init_record(zDDMRecord *pscal, int pass);
static void deviceCallbackFunc(CALLBACK *pcb)
{
zDDMRecord *pscal;
callbackGetUser(pscal, pcb);
Debug(5,"scaler deviceCallbackFunc: entry for '%s'\n", pscal->name);
dbScanLock((struct dbCommon *)pscal);
process((struct zDDMRecord *)pscal);
dbScanUnlock((struct dbCommon *)pscal);
}
static void updateCallbackFunc(CALLBACK *pcb)
{
zDDMRecord *pscal;
struct rpvtStruct *prpvt;
callbackGetUser(pscal, pcb);
Debug(5, "scaler updateCallbackFunc: entry for '%s'\n", pscal->name);
prpvt = (struct rpvtStruct *)pscal->rpvt;
epicsMutexLock(prpvt->updateMutex);
updateCounts(pscal);
epicsMutexUnlock(prpvt->updateMutex);
}
static void delayCallbackFunc(CALLBACK *pcb)
{
zDDMRecord *pscal;
/*
* User asked us to start counting after a delay that has now expired.
* If user has not rescinded that request in the meantime, tell
* process() to start counting.
*/
callbackGetUser(pscal, pcb);
Debug(5, "scaler delayCallbackFunc: entry for '%s'\n", pscal->name);
if (pscal->us == USER_STATE_WAITING && pscal->cnt) {
pscal->us = USER_STATE_REQSTART;
(void)scanOnce((void *)pscal);
}
}
static void autoCallbackFunc(CALLBACK *pcb)
{
zDDMRecord *pscal;
callbackGetUser(pscal, pcb);
Debug(5, "scaler autoCallbackFunc: entry for '%s'\n", pscal->name);
(void)scanOnce((void *)pscal);
}
static long cvt_dbaddr(paddr)
struct dbAddr *paddr;
{
int index;
index=dbGetFieldIndex(paddr);
zDDMRecord *pzDDM=(zDDMRecord *)paddr->precord;
switch(index){
case zDDMRecordMCA:{
paddr->pfield = (void *)(pzDDM->pmca);
paddr->no_elements = 1572864; /* = 384 x 4096, Energy spectra accumulated for real-time display */
paddr->field_type = DBF_LONG;
paddr->field_size = sizeof(int);
paddr->dbr_field_type = DBR_LONG;
break;
}
case zDDMRecordTDC:{
paddr->pfield = (void *)(pzDDM->ptdc);
paddr->no_elements = 393216; /* = 384 x 1024, TDC spectra accumulated for real-time display */
paddr->field_type = DBF_LONG;
paddr->field_size = sizeof(int);
paddr->dbr_field_type = DBR_LONG;
break;
}
case zDDMRecordSPCT:{
paddr->pfield = (void *)(pzDDM->pspct);
paddr->no_elements = 4096; /* One spectrum for real-time display */
paddr->field_type = DBF_LONG;
paddr->field_size = sizeof(int);
paddr->dbr_field_type = DBR_LONG;
break;
}
case zDDMRecordCHEN:{
paddr->pfield = (void *)(pzDDM->pchen);
paddr->no_elements = pzDDM->nelm;
paddr->field_type = DBF_CHAR;
paddr->field_size = sizeof(char);
paddr->dbr_field_type = DBR_CHAR;
paddr->special = SPC_MOD;
break;
}
case zDDMRecordSLP:{
paddr->pfield = (void *)(pzDDM->pslp);
paddr->no_elements = pzDDM->nelm;
paddr->field_type = DBF_FLOAT;
paddr->field_size = sizeof(float);
paddr->dbr_field_type = DBR_FLOAT;
paddr->special = SPC_MOD;
break;
}
case zDDMRecordOFFS:{
paddr->pfield = (void *)(pzDDM->poffs);
paddr->no_elements = pzDDM->nelm;
paddr->field_type = DBF_FLOAT;
paddr->field_size = sizeof(float);
paddr->dbr_field_type = DBR_FLOAT;
paddr->special = SPC_MOD;
break;
}
case zDDMRecordTSEN:{
paddr->pfield = (void *)(pzDDM->ptsen);
paddr->no_elements = pzDDM->nelm;
paddr->field_type = DBF_CHAR;
paddr->field_size = sizeof(char);
paddr->dbr_field_type = DBR_CHAR;
paddr->special = SPC_MOD;
break;
}
case zDDMRecordPUTR:{
paddr->pfield = (void *)(pzDDM->pputr);
paddr->no_elements = pzDDM->nelm;
paddr->field_type = DBF_CHAR;
paddr->field_size = sizeof(char);
paddr->dbr_field_type = DBR_CHAR;
paddr->special = SPC_MOD;
break;
}
case zDDMRecordTHTR:{
paddr->pfield = (void *)(pzDDM->pthtr);
paddr->no_elements = pzDDM->nelm;
paddr->field_type = DBF_CHAR;
paddr->field_size = sizeof(char);
paddr->dbr_field_type = DBR_CHAR;
paddr->special = SPC_MOD;
break;
}
case zDDMRecordTHRSH:{
paddr->pfield = (void *)(pzDDM->pthrsh);
paddr->no_elements = zDDM_NCHIPS;
paddr->field_type = DBF_LONG;
paddr->field_size = sizeof(int);
paddr->dbr_field_type = DBR_LONG;
paddr->special = SPC_MOD;
break;
}
}
return(0);
}
static long get_array_info(DBADDR *paddr, long *no_elements, long *offset)
{
int index;
index=dbGetFieldIndex(paddr);
zDDMRecord *pzDDM=(zDDMRecord *)paddr->precord;
switch(index){
case zDDMRecordMCA:{
*no_elements = 1572864;
*offset = 0;
printf("get_array_info: MCA\n");
break;
}
case zDDMRecordTDC:{
*no_elements = 393216;
*offset = 0;
printf("get_array_info: TDC\n");
break;
}
case zDDMRecordSPCT:{
*no_elements = 4096;
*offset = 0;
printf("get_array_info: SPCT\n");
break;
}
case zDDMRecordCHEN:{
*no_elements = pzDDM->nelm;
*offset = 0;
printf("get_array_info: CHEN\n");
break;
}
case zDDMRecordSLP:{
*no_elements = pzDDM->nelm;
*offset = 0;
printf("get_array_info: SLO\n");
break;
}
case zDDMRecordOFFS:{
*no_elements = pzDDM->nelm;
*offset = 0;
printf("get_array_info: OFFS\n");
break;
}
case zDDMRecordTSEN:{
*no_elements = pzDDM->nelm;
*offset = 0;
printf("get_array_info: TSEN\n");
break;
}
case zDDMRecordTHTR:{
*no_elements = pzDDM->nelm;
*offset = 0;
printf("get_array_info: THTR\n");
break;
}
case zDDMRecordTHRSH:{
*no_elements = pzDDM->nchips;
*offset = 0;
printf("get_array_info: THRSH\n");
break;
}
}
return(0);
}
//static long put_array_info(paddr,nNew)
//struct dbAddr *paddr;
//long nNew;
//{
//zDDMRecord *pzDDM=(zDDMRecord *)paddr->precord;
//
// pzDDM->nelm /*nord*/ = nNew;
// /*if (pzDDM->nord > pzDDM->nelm) pzDDM->nord = pzDDM->nelm;*/
// return(0);
//}
static long init_record(zDDMRecord *pscal, int pass)
{
long status;
int i,j, nchips;
unsigned int *mca, *tdc, *spct;
int *thrsh;
float *slp, *offs;
char *thtr, *chen, *tsen, *putr;
det_DSET *pdset = (det_DSET *)(pscal->dset);
CALLBACK *pcallbacks, *pupdateCallback, *pdelayCallback, *pautoCallback, *pdeviceCallback;
struct rpvtStruct *prpvt;
printf("zDDM init_record: pass = %d\n", pass);
pscal->nelm=zDDM_NCHAN;
pscal->nchips=zDDM_NCHIPS;
nchips=zDDM_NCHIPS;
Debug(5, "scaler init_record: pass = %d\n", pass);
Debug(5, "init_record: .PR1 = %ld\n", (unsigned long)pscal->pr1);
if (pass == 0) {
if(pscal->nelm<32) pscal->nelm=32; /* Minimum system is 1 chip, 32 channels */
if(nchips<=0) nchips=1;
pscal->pchen = (char *)calloc(pscal->nelm,sizeof(char));
pscal->ptsen = (char *)calloc(pscal->nelm,sizeof(char));
pscal->pslp = (float *)calloc(pscal->nelm,sizeof(float));
pscal->poffs = (float *)calloc(pscal->nelm,sizeof(float));
pscal->pthtr = (int *)calloc(pscal->nelm,sizeof(int));
pscal->pthrsh = (int *)calloc(pscal->nchips,sizeof(int));
pscal->pputr = (char *)calloc(pscal->nelm,sizeof(char));
pscal->pmca = (unsigned int *)calloc(pscal->nelm*4096,sizeof(int));
pscal->ptdc = (unsigned int *)calloc(pscal->nelm*1024,sizeof(int));
pscal->pspct = (unsigned int *)calloc(4096,sizeof(int));
pscal->vers = VERSION;
pscal->fver=fpgabase[VERSIONREG];
pscal->rpvt = (void *)calloc(1, sizeof(struct rpvtStruct));
prpvt = (struct rpvtStruct *)pscal->rpvt;
if ((prpvt->updateMutex = epicsMutexCreate()) == 0) {
errlogPrintf("zDDMRecord:init_record: could not create mutex.\n");
return(-1);
}
/* Gotta have a .val field. Make its value reproducible. */
pscal->val=0;
chen=pscal->pchen;
slp=pscal->pslp;
offs=pscal->poffs;
tsen=pscal->ptsen;
thtr=pscal->pthtr;
putr=pscal->pputr;
thrsh=pscal->pthrsh;
mca=pscal->pmca;
tdc=pscal->ptdc;
spct=pscal->pspct;
for(i=0;i<pscal->nelm;i++){
for(j=0;j<4096;j++){
mca[i*4096+j] = j*i+1; /* gray ramp along X and Y*/
}
}
printf("Initialized MCA counts\n");
for(i=0;i<pscal->nelm;i++){
for(j=0;j<1024;j++){
tdc[i*1024+j] = j*i+1; /* gray ramp along X and Y*/
}
}
printf("Initialized TDC counts\n");
for(j=0;j<4096;j++){
spct[j] = j; /* gray ramp */
}
printf("Initialized SPCT counts\n");
pscal->monch=0;
for(i=0;i<pscal->nchips;i++){
thrsh[i]=300;
globalstr[i].pa = 300;
printf("Thresh[%i]=%i\n",i,thrsh[i]);
}
for(i=0;i<pscal->nelm;i++){
channelstr[i].sm = 0;
chen[i]=0;
channelstr[i].st = 0;
tsen[i]=0;
channelstr[i].sel = 0;
pscal->loao=0;
channelstr[i].da = 4; /* 3-bits, mid-scale*/
thtr[i]=4;
channelstr[i].dp = 8; /* 4-bits, mid-scale*/
putr[i]=8;
slp[i]=1.0;
offs[i]=0.0;
}
stuff_mars(pscal);
return (0);
}
prpvt = (struct rpvtStruct *)pscal->rpvt;
/*** setup callback stuff (note: array of 4 callback structures) ***/
pcallbacks = (CALLBACK *)(calloc(4,sizeof(CALLBACK)));
prpvt->pcallbacks = pcallbacks;
/* callback to implement periodic updates */
pupdateCallback = (CALLBACK *)&(pcallbacks[0]);
callbackSetCallback(updateCallbackFunc, pupdateCallback);
callbackSetPriority(pscal->prio, pupdateCallback);
callbackSetUser((void *)pscal, pupdateCallback);
/* second callback to implement delay */
pdelayCallback = (CALLBACK *)&(pcallbacks[1]);
callbackSetCallback(delayCallbackFunc, pdelayCallback);
callbackSetPriority(pscal->prio, pdelayCallback);
callbackSetUser((void *)pscal, pdelayCallback);
/* third callback to implement auto-count */
pautoCallback = (CALLBACK *)&(pcallbacks[2]);
callbackSetCallback(autoCallbackFunc, pautoCallback);
callbackSetPriority(pscal->prio, pautoCallback);
callbackSetUser((void *)pscal, pautoCallback);
/* fourth callback for device support */
pdeviceCallback = (CALLBACK *)&(pcallbacks[3]);
callbackSetCallback(deviceCallbackFunc, pdeviceCallback);
callbackSetPriority(pscal->prio, pdeviceCallback);
callbackSetUser((void *)pscal, pdeviceCallback);
/* Check that we have everything we need. */
if (!(pdset = (det_DSET *)(pscal->dset)))
{
recGblRecordError(S_dev_noDSET,(void *)pscal, "zDDM: init_record");
return(S_dev_noDSET);
}
Debug(2, "init_record: calling dset->init_record %d\n", 0);
if (pdset->init_record)
{
status=(*pdset->init_record)(pscal, pdeviceCallback);
Debug(3, "init_record: dset->init_record returns %i\n", status);
if (status) {
pscal->card = -1;
return (status);
}
pscal->card = pscal->inp.value.vmeio.card;
db_post_events(pscal,&(pscal->card),DBE_VALUE);
}
/* default clock freq */
if (pscal->freq == 0.0) {
pscal->freq = 1.0e6;
db_post_events(pscal,&(pscal->freq),DBE_VALUE);
}
/* default count time */
if ((pscal->tp == 0.0) && (pscal->pr1 == 0)) {
pscal->tp = 1.0;
db_post_events(pscal,&(pscal->pr1),DBE_VALUE);
}
/* convert between time and clock ticks */
if (pscal->tp) {
/* convert time to clock ticks */
pscal->pr1 = (unsigned long) (pscal->tp * pscal->freq);
db_post_events(pscal,&(pscal->pr1),DBE_VALUE);
Debug(3, "init_record: .TP != 0, so .PR1 set to %ld\n", (unsigned long)pscal->pr1);
} else if (pscal->pr1 && pscal->freq) {
/* convert clock ticks to time */
pscal->tp = (double)(pscal->pr1 / pscal->freq);
db_post_events(pscal,&(pscal->tp),DBE_VALUE);
Debug(3, "init_record: .PR1/.FREQ != 0, so .TP set to %f\n", pscal->tp);
}
// db_post_events(pscal,&pscal->mca,DBE_VALUE);
// db_post_events(pscal,&pscal->tdc,DBE_VALUE);
// db_post_events(pscal,&pscal->spct,DBE_VALUE);
// db_post_events(pscal,&pscal->chen,DBE_VALUE);
// db_post_events(pscal,&pscal->tsen,DBE_VALUE);
return(0);
}
static long process(zDDMRecord *pscal)
{
int status, prev_scaler_state, handled;
int justFinishedUserCount=0, justStartedUserCount=0, putNotifyOperation=0;
unsigned long *ppreset = (unsigned long *)&(pscal->pr1);
struct rpvtStruct *prpvt = (struct rpvtStruct *)pscal->rpvt;
CALLBACK *pcallbacks = prpvt->pcallbacks;
det_DSET *pdset = (det_DSET *)(pscal->dset);
CALLBACK *pupdateCallback = (CALLBACK *)&(pcallbacks[0]);
CALLBACK *pdelayCallback = (CALLBACK *)&(pcallbacks[1]);
CALLBACK *pautoCallback = (CALLBACK *)&(pcallbacks[2]);
CALLBACK *pdeviceCallback = (CALLBACK *)&(pcallbacks[3]);
if(zDDMRecordDebug>2){
printf("At process entry[%d]:\n",__LINE__);
printf("User state = %d\n",pscal->us);
printf("Scaler state = %d\n",pscal->ss);
}
Debug(5, "process: entry %d\n",0);
epicsMutexLock(prpvt->updateMutex);
Debug(5, "Mutex locked %d\n",0);
pscal->pact = TRUE;
pscal->udf = FALSE;
prev_scaler_state = pscal->ss;
/* If we're being called as a result of a done-counting interrupt, */
/* (*pdset->done)(pscal) will return TRUE */
if ((*pdset->done)(pscal)) {
pscal->ss = zDDM_STATE_IDLE;
Debug(5, "done=1; zDDM_STATE_IDLE %i\n",pscal->ss);
/* Auto-count cycle is not allowed to reset .CNT field. */
if (pscal->us == USER_STATE_COUNTING) {
Debug(5, "Setting CNT to 0 %d\n",0);
pscal->cnt = 0;
db_post_events(pscal,&pscal->cnt,DBE_VALUE);
pscal->us = USER_STATE_IDLE;
Debug(5, "USER_STATE_IDLE %d\n",0);
justFinishedUserCount = 1;
if (pscal->ppn) putNotifyOperation = 1;
}
}
if (pscal->cnt != pscal->pcnt) {
handled = 0;
if (pscal->cnt && ((pscal->us == USER_STATE_REQSTART) ||
(pscal->us == USER_STATE_WAITING)))
{
/*** if we're already counting (auto-count), stop ***/
if (pscal->ss == zDDM_STATE_COUNTING) {
Debug(5, "Killing count %d\n",0);
(*pdset->arm)(pscal, 0);
pscal->ss = zDDM_STATE_IDLE;
}
if (pscal->us == USER_STATE_REQSTART) {
Debug(5, "process: start counting %d\n",0);
(*pdset->reset)(pscal);
pscal->pr1 = (unsigned long)(pscal->tp * pscal->freq);
(*pdset->write_preset)(pscal, pscal->pr1);
Debug(5, "process: Arming scaler %d\n",0);
(*pdset->arm)(pscal, 1);
pscal->ss = zDDM_STATE_COUNTING;
pscal->us = USER_STATE_COUNTING;
handled = 1;
justStartedUserCount = 1;
Debug(5, "process: handled=%d\n",handled);
Debug(5, "process: justStartedUserCount=%d\n",justStartedUserCount);
}
} else if (!pscal->cnt) {
if (pscal->ss != zDDM_STATE_IDLE) (*pdset->arm)(pscal, 0);
pscal->ss = zDDM_STATE_IDLE;
pscal->us = USER_STATE_IDLE;
justFinishedUserCount = 1;
handled = 1;
Debug(5, "process: cnt=%d\n",pscal->cnt);
Debug(5, "process: User state=%d\n",pscal->us);
Debug(5, "process: Scaler state=%d\n",pscal->ss);
}
if (handled) {
pscal->pcnt = pscal->cnt;
Debug(5, "process:handled: pcnt=%d -> cnt\n",pscal->pcnt);
db_post_events(pscal,&pscal->cnt,DBE_VALUE);
}
}
/* read and display scalers */
updateCounts(pscal);
if (justStartedUserCount || justFinishedUserCount) {
/* fire .cout link to trigger anything that should coincide with scaler integration */
status = dbPutLink(&pscal->cout, DBR_SHORT, &pscal->cnt, 1);
if (!RTN_SUCCESS(status)) {
Debug(5, "scaler:process: ERROR %d PUTTING TO COUT LINK.\n", status);
}
if (justFinishedUserCount) {
/* fire .coutp link to trigger anything that should coincide with scaler integration */
status = dbPutLink(&pscal->coutp, DBR_SHORT, &pscal->cnt, 1);
if (!RTN_SUCCESS(status)) {
Debug(5, "scaler:process: ERROR %d PUTTING TO COUTP LINK.\n", status);
}
}
}
/* done counting? */
if (pscal->ss == zDDM_STATE_IDLE) {
Debug(5, "Done counting? %d\n",0);
recGblGetTimeStamp(pscal);
do_alarm(pscal);
monitor(pscal);
if ((pscal->pcnt==0) && (pscal->us == USER_STATE_IDLE)) {
if (prev_scaler_state == zDDM_STATE_COUNTING) {
db_post_events(pscal,&pscal->mca,DBE_VALUE);
db_post_events(pscal,&pscal->tdc,DBE_VALUE);
db_post_events(pscal,&pscal->spct,DBE_VALUE);
}
recGblFwdLink(pscal);
}
}
/* Are we in auto-count mode and not already counting? */
if (pscal->us == USER_STATE_IDLE && pscal->cont &&
pscal->ss != zDDM_STATE_COUNTING) {
double dly_sec=pscal->dly1; /* seconds to delay */
if (justFinishedUserCount) dly_sec = MAX(pscal->dly1, zDDM_wait_time);
if (putNotifyOperation) dly_sec = MAX(pscal->dly1, zDDM_wait_time);
/* if (we-have-to-wait && we-haven't-already-waited) { */
if (dly_sec > 0 && pscal->ss != zDDM_STATE_WAITING) {
Debug(5, "process: scheduling autocount restart: %d\n",0);
/*
* Schedule a callback, and make a note that counting should start
* the next time we process (if pscal->ss is still zDDM_STATE_WAITING
* at that time).
*/
pscal->ss = zDDM_STATE_WAITING; /* tell ourselves to start next time */
callbackRequestDelayed(pautoCallback, dly_sec);
} else {
Debug(5, "process: restarting autocount %d\n",0);
/* Either the delay time is zero, or pscal->ss = zDDM_STATE_WAITING
* (we've already waited), so start auto-count counting.
* Different rules apply for auto-count counting:
* If (.TP1 >= .001 s) we count .TP1 seconds, regardless of any
* presets the user may have set.
*/
(*pdset->reset)(pscal);
if (pscal->tp1 >= 1.e-3) {
(*pdset->write_preset)(pscal, (unsigned long)(pscal->tp1*pscal->freq));
}
(*pdset->arm)(pscal, 1);
pscal->ss = zDDM_STATE_COUNTING;
Debug(5, "zDDM_STATE_COUNTING: %d\n", 0);
/* schedule first update callback */
if (pscal->rat1 > .1) {
callbackRequestDelayed(pupdateCallback, 1.0/pscal->rat1);
}
}
}
pscal->pact = FALSE;
pscal->runno=fpgabase[FRAME_NO];
// db_post_events(pscal,&(pscal->runno),DBE_VALUE);
// db_post_events(pscal,&(pscal->mca),DBE_VALUE);
// db_post_events(pscal,&(pscal->tdc),DBE_VALUE);
// db_post_events(pscal,&(pscal->spct),DBE_VALUE);
db_post_events(pscal,NULL,0xf);
Debug(5, "process:Mutex unlocked\nScaler state=%d\n",pscal->ss);
Debug(5, "process:Mutex unlocked\nUser state=%d\n",pscal->us);
epicsMutexUnlock(prpvt->updateMutex);
return(0);
}
static void updateCounts(zDDMRecord *pscal)
{
unsigned int *mca;
unsigned int *tdc;
unsigned int *spct;
mca=pscal->pmca;
tdc=pscal->ptdc;
spct=pscal->pspct;
int i, j, called_by_process;
float rate;
struct rpvtStruct *prpvt = (struct rpvtStruct *)pscal->rpvt;
CALLBACK *pcallbacks = prpvt->pcallbacks;
CALLBACK *pupdateCallback = (CALLBACK *)&(pcallbacks[0]);
called_by_process = (pscal->pact == TRUE);
Debug(5, "updateCounts: %s called by process()\n", called_by_process ? " " : "NOT");
if (!called_by_process) {
if (pscal->ss != zDDM_STATE_IDLE) pscal->pact = TRUE;
else return;
}
/* read scalers (get pointer to actual VME-resident scaler-data array) */
if (pscal->us != USER_STATE_WAITING) {
/* mca and tdc updated in event_publish() */
/* update monitored channel spectrum */
for(i=0;i<4096;i++){
spct[i]=mca[4096*pscal->monch+i];
}
Debug(5, "updateCounts: got counts[] %d\n",0);
} else {
Debug(5, "New frame: clear mca and spct %d\n",0);
/* clear spectrum of selected channel */
for (i=0; i<4096; i++) {
spct[i] = 0;
}
/* clear mca array */
for (i=0; i<384; i++){
for (j=0; j<4096;j++){
mca[4096*i+j]=0;
}
}
}
Debug(5, "updateCounts: posting scaler values %d\n",0);
/* copy and post spectrum values */
for (i=0; i<4096; i++) {
if (mca[4096*pscal->monch+i] != spct[i]) {
spct[i]=mca[4096*pscal->monch+i];
}
}
db_post_events(pscal,&pscal->mca,DBE_VALUE);
db_post_events(pscal,&pscal->tdc,DBE_VALUE);
db_post_events(pscal,&pscal->spct,DBE_VALUE);
/* convert clock ticks to time. Note device support may have changed freq. */
/* freq is fixed in this device, so skip this bit */
if (pscal->ss == zDDM_STATE_COUNTING) {
/* arrange to call this routine again after user-specified time */
Debug(5, "updateCounts: arranging for callback %d\n",0);
rate = ((pscal->us == USER_STATE_COUNTING) ? pscal->rate : pscal->rat1);
if (rate > .1) {
callbackRequestDelayed(pupdateCallback, 1.0/rate);
}
}
if (!called_by_process) pscal->pact = FALSE;
Debug(5, "updateCounts: exit %d\n",0);
}
static long special(dbAddr *paddr, int after)
{
zDDMRecord *pscal = (zDDMRecord *)(paddr->precord);
int status, i=0;
int j, rt, chip;
int mars_modified;
unsigned int *mca, *spct;
struct rpvtStruct *prpvt = (struct rpvtStruct *)pscal->rpvt;
CALLBACK *pcallbacks = prpvt->pcallbacks;
CALLBACK *pdelayCallback = (CALLBACK *)&(pcallbacks[1]);
int fieldIndex = dbGetFieldIndex(paddr);
double dly=0.0;
mca=pscal->pmca;
spct=pscal->pspct;
Debug(5, "special: entry; after=%d\n", after);
if (!after) return (0);
mars_modified=0;
mars_modified=0;
pscal->chip=pscal->monch/32; /* 32 channels per chip */
pscal->chan=pscal->monch%32;
Debug(5, "special: chip; %d\n", pscal->chip);
Debug(5, "special: channel; %d\n", pscal->chan);
switch (fieldIndex) {
case zDDMRecordCNT:
/* Ignore redundant (pscal->cnt == 1) commands */
Debug(5, "special: CNT; User State =%d\n", pscal->us);
if (pscal->cnt && (pscal->us != USER_STATE_IDLE)) return(0);
/* fire .coutp link to trigger anything that should coincide with scaler integration */
status = dbPutLink(&pscal->coutp, DBR_SHORT, &pscal->cnt, 1);
if (!RTN_SUCCESS(status)) {
Debug(5, "scaler:special: ERROR %d PUTTING TO COUTP LINK.\n", status);
}
/* Scan record if it's not Passive. (If it's Passive, it'll get */
/* scanned automatically, since .cnt is a Process-Passive field.) */
/* Arrange to process after user-specified delay time */
dly = pscal->dly; /* seconds to delay */
if (dly<0.0) dly = 0.0;
if (dly == 0.0 || pscal->cnt == 0) {
/*** handle request now ***/
if (pscal->cnt) {
pscal->us = USER_STATE_REQSTART;
Debug(5, "special: start counting. User State= %d\n",pscal->us);
} else {
/* abort any counting or request to start counting */
switch (pscal->us) {
case USER_STATE_WAITING:
/* We may have a watchdog timer going. Cancel it. */
if (pdelayCallback->timer) epicsTimerCancel(pdelayCallback->timer);
pscal->us = USER_STATE_IDLE;
break;
case USER_STATE_REQSTART:
pscal->us = USER_STATE_IDLE;
break;
default:
break;
}
}
if (pscal->scan) scanOnce((void *)pscal);
}
else {
/* schedule callback to handle request */
pscal->us = USER_STATE_WAITING;
callbackRequestDelayed(pdelayCallback, pscal->dly);
}
break;
case zDDMRecordCONT:
/* Scan record if it's not Passive. (If it's Passive, it'll get */
/* scanned automatically, since .cont is a Process-Passive field.) */
if (pscal->scan) scanOnce((void *)pscal);
break;
case zDDMRecordTP:
/* convert time to clock ticks */
pscal->pr1 = (unsigned long) (pscal->tp * pscal->freq);
db_post_events(pscal,&(pscal->pr1),DBE_VALUE);
break;
case zDDMRecordPR1:
/* convert clock ticks to time */
pscal->tp = (double)(pscal->pr1 / pscal->freq);
db_post_events(pscal,&(pscal->tp),DBE_VALUE);
break;
case zDDMRecordRATE:
pscal->rate = MIN(60.,MAX(0.,pscal->rate));
db_post_events(pscal,&(pscal->rate),DBE_VALUE);
break;
case zDDMRecordRUNNO:
/* Get frame number */
fpgabase[FRAME_NO]=pscal->runno;
Debug(2, "special: RUNNO %i\n", pscal->runno);
db_post_events(pscal,&(pscal->runno),DBE_VALUE);
break;
case zDDMRecordMODE:
/* Continuous acquisition */
if(pscal->mode==0){
fpgabase[COUNT_MODE]=0;
}
if(pscal->mode==1){
fpgabase[COUNT_MODE]=1;
}
Debug(5, "special: COUNT_MODE %i\n", pscal->mode);
Debug(5, "special: hardware COUNT_MODE %i\n", fpgabase[COUNT_MODE]);
db_post_events(pscal,&(pscal->mode),DBE_VALUE);
break;
case zDDMRecordGMON: /* set switch for channel monitors or others */
if(pscal->gmon==0){/* All monitors off. M0=0, C0-C4=00000*/
for(chip=0;chip<12;chip++){
globalstr[chip].c=0;
globalstr[chip].m0=0;
}
}
if(pscal->gmon==1){/* All off except this chip temp. M0=0 C0-C4=00100*/
for(chip=0;chip<12;chip++){
globalstr[chip].c=0;
globalstr[chip].m0=0;
}
globalstr[pscal->chip].c=4;
}
if(pscal->gmon==2){/* All off except this chip base M0=0 C0-C4=10100 */
for(chip=0;chip<12;chip++){
globalstr[chip].c=0;
globalstr[chip].m0=0;
}
globalstr[pscal->chip].c=5;
}
if(pscal->gmon==3){/* All off except this chip thresh M0=0 C0-C4=01100*/
for(chip=0;chip<12;chip++){
globalstr[chip].c=0;
globalstr[chip].m0=0;
}
globalstr[pscal->chip].c=6;
}
if(pscal->gmon==4){/* All off except this chip test pulse M0=0 C0-C4=11100*/
for(chip=0;chip<12;chip++){
globalstr[chip].c=0;