void scanShutdown(void)
{
int i;
if (scanCtl == ctlExit) return;
scanCtl = ctlExit;
interruptAccept = FALSE;
for (i = 0; i < nPeriodic; i++) {
papPeriodic[i]->scanCtl = ctlExit;
epicsEventSignal(papPeriodic[i]->loopEvent);
epicsEventWait(startStopEvent);
}
scanOnce((dbCommon *)&exitOnce);
epicsEventWait(startStopEvent);
deletePeriodic();
ioscanDestroy();
epicsRingPointerDelete(onceQ);
epicsEventDestroy(startStopEvent);
epicsEventDestroy(onceSem);
onceSem = startStopEvent = NULL;
free(periodicTaskId);
papPeriodic = NULL;
periodicTaskId = NULL;
}
void dbProcessNotify(processNotify *ppn)
{
struct dbChannel *chan = ppn->chan;
dbCommon *precord = dbChannelRecord(chan);
short dbfType = dbChannelFieldType(chan);
notifyPvt *pnotifyPvt;
/* Must handle DBF_XXXLINKs as special case.
* Only dbPutField will change link fields.
* Also the record is not processed as a result
*/
ppn->status = notifyOK;
ppn->wasProcessed = 0;
if (dbfType>=DBF_INLINK && dbfType<=DBF_FWDLINK) {
if (ppn->requestType == putProcessRequest ||
ppn->requestType == putProcessGetRequest) {
/* Check if puts disabled */
if (precord->disp && (dbChannelField(ppn->chan) != (void *) &precord->disp)) {
ppn->putCallback(ppn, putDisabledType);
} else {
ppn->putCallback(ppn, putFieldType);
}
}
if (ppn->requestType == processGetRequest ||
ppn->requestType == putProcessGetRequest) {
ppn->getCallback(ppn, getFieldType);
}
ppn->doneCallback(ppn);
return;
}
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
if (pnotifyPvt && (pnotifyPvt->magic != MAGIC)) {
printf("dbPutNotify:pnotifyPvt was not initialized\n");
pnotifyPvt = 0;
}
if (pnotifyPvt) {
assert(pnotifyPvt->state == notifyUserCallbackActive);
pnotifyPvt->userCallbackWait = 1;
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
epicsEventWait(pnotifyPvt->userCallbackEvent);
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
notifyCleanup(ppn);
}
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
assert(!pnotifyPvt);
notifyInit(ppn);
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
if (!precord->ppnr) {
/* make sure record has a processNotifyRecord*/
precord->ppnr = dbCalloc(1, sizeof(processNotifyRecord));
precord->ppnr->precord = precord;
ellInit(&precord->ppnr->restartList);
}
processNotifyCommon(ppn, precord);
}
static asynStatus
asynSetEos(const char *portName, int addr, enum eosType type, const char *eos)
{
asynUser *pasynUser;
asynInterface *pasynInterface;
eosArgs eosargs;
if (eos == NULL) {
printf("Missing EOS argument\n");
return asynError;
}
eosargs.eosLen = epicsStrnRawFromEscaped(eosargs.eos, sizeof eosargs.eos, eos, strlen(eos));
if (eosargs.eosLen >= sizeof eosargs.eos) {
printf("End of string argument \"%s\" too long.\n", eos);
return asynError;
}
if (findInterface(portName, addr, asynOctetType, setEos,
&pasynUser, &pasynInterface) != asynSuccess)
return asynError;
pasynUser->timeout = 2;
pasynUser->userPvt = &eosargs;
pasynUser->reason = ASYN_REASON_QUEUE_EVEN_IF_NOT_CONNECTED;
eosargs.pasynOctet = (asynOctet *)pasynInterface->pinterface;
eosargs. drvPvt = pasynInterface->drvPvt;
eosargs.type = type;
eosargs.done = epicsEventMustCreate(epicsEventEmpty);
eosargs.status = pasynManager->queueRequest(pasynUser, asynQueuePriorityConnect, 0.0);
if (eosargs.status == asynSuccess)
epicsEventWait(eosargs.done);
epicsEventDestroy(eosargs.done);
if (eosargs.status != asynSuccess)
printf("Set EOS failed: %s\n", pasynUser->errorMessage);
pasynManager->freeAsynUser(pasynUser);
return eosargs.status;
}
epicsShareFunc int
asynShowEos(const char *portName, int addr, enum eosType type)
{
asynInterface *pasynInterface;
eosArgs eosargs;
asynUser *pasynUser;
if (findInterface(portName, addr, asynOctetType, getEos,
&pasynUser, &pasynInterface) != asynSuccess)
return asynError;
pasynUser->timeout = 2;
pasynUser->userPvt = &eosargs;
pasynUser->reason = ASYN_REASON_QUEUE_EVEN_IF_NOT_CONNECTED;
eosargs.pasynOctet = (asynOctet *)pasynInterface->pinterface;
eosargs. drvPvt = pasynInterface->drvPvt;
eosargs.type = type;
eosargs.done = epicsEventMustCreate(epicsEventEmpty);
eosargs.status = pasynManager->queueRequest(pasynUser, asynQueuePriorityConnect, 0.0);
if (eosargs.status == asynSuccess)
epicsEventWait(eosargs.done);
epicsEventDestroy(eosargs.done);
if (eosargs.status != asynSuccess)
printf("Set EOS failed: %s\n", pasynUser->errorMessage);
pasynManager->freeAsynUser(pasynUser);
if (eosargs.status == asynSuccess) {
char cbuf[4*sizeof eosargs.eos + 2];
epicsStrnEscapedFromRaw(cbuf, sizeof cbuf, eosargs.eos, eosargs.eosLen);
printf("\"%s\"\n", cbuf);
}
return eosargs.status;
}
epicsShareFunc int
asynSetOption(const char *portName, int addr, const char *key, const char *val)
{
asynUser *pasynUser;
asynInterface *pasynInterface;
setOptionArgs optionargs;
if ((key == NULL) || (val == NULL)) {
printf("Missing key/value argument\n");
return asynError;
}
if (findInterface(portName, addr, asynOptionType, setOption,
&pasynUser, &pasynInterface) != asynSuccess)
return asynError;
pasynUser->timeout = 2;
pasynUser->userPvt = &optionargs;
pasynUser->reason = ASYN_REASON_QUEUE_EVEN_IF_NOT_CONNECTED;
optionargs.pasynOption = (asynOption *)pasynInterface->pinterface;
optionargs. drvPvt = pasynInterface->drvPvt;
optionargs.key = key;
optionargs.val = val;
optionargs.done = epicsEventMustCreate(epicsEventEmpty);
if (pasynManager->queueRequest(pasynUser,asynQueuePriorityConnect,0.0) != asynSuccess) {
printf("queueRequest failed: %s\n", pasynUser->errorMessage);
epicsEventDestroy(optionargs.done);
pasynManager->freeAsynUser(pasynUser);
return asynError;
}
epicsEventWait(optionargs.done);
epicsEventDestroy(optionargs.done);
pasynManager->freeAsynUser(pasynUser);
return asynSuccess;
}
void threadFunc_RTcore_DivideB(void *param)
{
ST_RTcore *pRTcore = (ST_RTcore*) param;;
epicsThreadId pthreadInfo;
#if USE_CPU_AFFINITY_RT
pthreadInfo = epicsThreadGetIdSelf();
/* printf("%s: EPICS ID %p, pthreadID %lu\n", pthreadInfo->name, (void *)pthreadInfo, (unsigned long)pthreadInfo->tid); */
epicsThreadSetCPUAffinity( pthreadInfo, AFFINITY_RTCORE_DivB);
epicsThreadSetPosixPriority(pthreadInfo, PRIOTY_RTCORE_DivB, "SCHED_FIFO");
#endif
epicsThreadSleep(1.0);
while(TRUE) {
epicsEventWait( pRTcore->ST_DivThreadB.threadEventId);
#if USE_RTCORE_DivB_HIGH
WRITE32(pRTcore->base0 + 0x4, 0x1);
#endif
#if USE_RTCORE_DivB_LOW
WRITE32(pRTcore->base0 + 0x4, 0x0);
#endif
}
}
static void waitTimeout(niport *pniport,double seconds)
{
epicsEventWaitStatus status;
transferState_t saveState;
if(seconds<0.0) {
status = epicsEventWait(pniport->waitForInterrupt);
} else {
status = epicsEventWaitWithTimeout(pniport->waitForInterrupt,seconds);
}
if(status==epicsEventWaitOK) return;
saveState = pniport->transferState;
pniport->transferState = transferStateIdle;
switch(saveState) {
case transferStateRead:
pniport->status=asynTimeout;
printStatus(pniport,"waitTimeout transferStateRead\n");
break;
case transferStateWrite:
pniport->status=asynTimeout;
printStatus(pniport,"waitTimeout transferStateWrite\n");
break;
case transferStateCmd:
pniport->status=asynTimeout;
printStatus(pniport,"waitTimeout transferStateCmd\n");
break;
default:
pniport->status=asynTimeout;
printStatus(pniport,"waitTimeout transferState ?\n");
}
}
void dbNotifyCancel(processNotify *ppn)
{
dbCommon *precord = dbChannelRecord(ppn->chan);
notifyState state;
notifyPvt *pnotifyPvt;
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
ppn->status = notifyCanceled;
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
if (!pnotifyPvt || pnotifyPvt->state == notifyNotActive) {
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
return;
}
state = pnotifyPvt->state;
switch (state) {
case notifyUserCallbackRequested:
case notifyRestartCallbackRequested:
case notifyUserCallbackActive:
/* Callback is scheduled or active, wait for it to complete */
pnotifyPvt->cancelWait = 1;
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
epicsEventWait(pnotifyPvt->cancelEvent);
epicsMutexMustLock(pnotifyGlobal->lock);
notifyCleanup(ppn);
epicsMutexUnlock(pnotifyGlobal->lock);
return;
case notifyNotActive:
break;
case notifyWaitForRestart:
assert(precord->ppn);
assert(precord->ppn!=ppn);
ellSafeDelete(&precord->ppnr->restartList,&ppn->restartNode);
break;
case notifyRestartInProgress:
case notifyProcessInProgress:
{ /*Take all records out of wait list */
processNotifyRecord *ppnrWait;
while ((ppnrWait = (processNotifyRecord *)
ellFirst(&pnotifyPvt->waitList))) {
ellSafeDelete(&pnotifyPvt->waitList, &ppnrWait->waitNode);
restartCheck(ppnrWait);
}
}
if (precord->ppn == ppn)
restartCheck(precord->ppnr);
break;
default:
printf("dbNotify: illegal state for notifyCallback\n");
}
pnotifyPvt->state = notifyNotActive;
notifyCleanup(ppn);
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
}
/** Simulation task that runs as a separate thread. When the P_Run parameter is set to 1
* to rub the simulation it computes a 1 kHz sine wave with 1V amplitude and user-controllable
* noise, and displays it on
* a simulated scope. It computes waveforms for the X (time) and Y (volt) axes, and computes
* statistics about the waveform. */
void testAsynPortDriver::simTask(void)
{
/* This thread computes the waveform and does callbacks with it */
double timePerDiv, voltsPerDiv, voltOffset, triggerDelay, noiseAmplitude;
double updateTime, minValue, maxValue, meanValue;
double time, timeStep;
double noise, yScale;
int run, i, maxPoints;
double pi=4.0*atan(1.0);
lock();
/* Loop forever */
while (1) {
getDoubleParam(P_UpdateTime, &updateTime);
getIntegerParam(P_Run, &run);
// Release the lock while we wait for a command to start or wait for updateTime
unlock();
if (run) epicsEventWaitWithTimeout(eventId_, updateTime);
else (void) epicsEventWait(eventId_);
// Take the lock again
lock();
/* run could have changed while we were waiting */
getIntegerParam(P_Run, &run);
if (!run) continue;
getIntegerParam(P_MaxPoints, &maxPoints);
getDoubleParam (P_TimePerDiv, &timePerDiv);
getDoubleParam (P_VoltsPerDiv, &voltsPerDiv);
getDoubleParam (P_VoltOffset, &voltOffset);
getDoubleParam (P_TriggerDelay, &triggerDelay);
getDoubleParam (P_NoiseAmplitude, &noiseAmplitude);
time = triggerDelay;
timeStep = timePerDiv * NUM_DIVISIONS / maxPoints;
minValue = 1e6;
maxValue = -1e6;
meanValue = 0.;
yScale = 1.0 / voltsPerDiv;
for (i=0; i<maxPoints; i++) {
noise = noiseAmplitude * (rand()/(double)RAND_MAX - 0.5);
pData_[i] = AMPLITUDE * (sin(time*FREQUENCY*2*pi)) + noise;
/* Compute statistics before doing the yOffset and yScale */
if (pData_[i] < minValue) minValue = pData_[i];
if (pData_[i] > maxValue) maxValue = pData_[i];
meanValue += pData_[i];
pData_[i] = NUM_DIVISIONS/2 + yScale * (voltOffset + pData_[i]);
time += timeStep;
}
updateTimeStamp();
meanValue = meanValue/maxPoints;
setDoubleParam(P_MinValue, minValue);
setDoubleParam(P_MaxValue, maxValue);
setDoubleParam(P_MeanValue, meanValue);
callParamCallbacks();
doCallbacksFloat64Array(pData_, maxPoints, P_Waveform, 0);
}
}
void epicsShareAPI dbNotifyCancel(putNotify *ppn)
{
dbCommon *precord = ppn->paddr->precord;
putNotifyState state;
putNotifyPvt *pputNotifyPvt;
assert(precord);
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
pputNotifyPvt = (putNotifyPvt *)ppn->pputNotifyPvt;
if(!pputNotifyPvt || pputNotifyPvt->state==putNotifyNotActive) {
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
return;
}
state = pputNotifyPvt->state;
/*If callback is scheduled or active wait for it to complete*/
if(state==putNotifyUserCallbackRequested
|| state==putNotifyRestartCallbackRequested
|| state==putNotifyUserCallbackActive) {
pputNotifyPvt->cancelWait = 1;
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
epicsEventWait(pputNotifyPvt->cancelEvent);
epicsMutexMustLock(pnotifyGlobal->lock);
putNotifyCleanup(ppn);
epicsMutexUnlock(pnotifyGlobal->lock);
return;
}
switch(state) {
case putNotifyNotActive: break;
case putNotifyWaitForRestart:
assert(precord->ppn);
assert(precord->ppn!=ppn);
ellSafeDelete(&precord->ppnr->restartList,&ppn->restartNode);
break;
case putNotifyRestartInProgress:
case putNotifyPutInProgress:
{ /*Take all records out of wait list */
putNotifyRecord *ppnrWait;
while((ppnrWait = (putNotifyRecord *)ellFirst(&pputNotifyPvt->waitList))){
ellSafeDelete(&pputNotifyPvt->waitList,&ppnrWait->waitNode);
restartCheck(ppnrWait);
}
}
if(precord->ppn==ppn) restartCheck(precord->ppnr);
break;
default:
printf("dbNotify: illegal state for notifyCallback\n");
}
pputNotifyPvt->state = putNotifyNotActive;
putNotifyCleanup(ppn);
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
}
asynNDArrayDriver::~asynNDArrayDriver()
{
queuedArrayUpdateRun_ = false;
epicsEventSignal(queuedArrayEvent_);
epicsEventWait(queuedArrayUpdateDone_);
delete this->pNDArrayPoolPvt_;
free(this->pArrays);
delete this->pAttributeList;
delete this->queuedArrayCountMutex_;
}
void epicsShareAPI dbPutNotify(putNotify *ppn)
{
dbCommon *precord = ppn->paddr->precord;
short dbfType = ppn->paddr->field_type;
long status=0;
putNotifyPvt *pputNotifyPvt;
assert(precord);
/*check for putField disabled*/
if(precord->disp) {
if((void *)(&precord->disp) != ppn->paddr->pfield) {
ppn->status = putNotifyPutDisabled;
(*ppn->userCallback)(ppn);
return;
}
}
/* Must handle DBF_XXXLINKs as special case.
* Only dbPutField will change link fields.
* Also the record is not processed as a result
*/
if(dbfType>=DBF_INLINK && dbfType<=DBF_FWDLINK) {
status=dbPutField(ppn->paddr,ppn->dbrType,ppn->pbuffer,ppn->nRequest);
ppn->status = (status==0) ? putNotifyOK : putNotifyError;
(*ppn->userCallback)(ppn);
return;
}
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
pputNotifyPvt = (putNotifyPvt *)ppn->pputNotifyPvt;
if(pputNotifyPvt && (pputNotifyPvt->magic!=MAGIC)) {
printf("dbPutNotify:pputNotifyPvt was not initialized\n");
pputNotifyPvt = 0;
}
if(pputNotifyPvt) {
assert(pputNotifyPvt->state==putNotifyUserCallbackActive);
pputNotifyPvt->userCallbackWait = 1;
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
epicsEventWait(pputNotifyPvt->userCallbackEvent);
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
putNotifyCleanup(ppn);
}
pputNotifyPvt = (putNotifyPvt *)ppn->pputNotifyPvt;
assert(!pputNotifyPvt);
putNotifyInit(ppn);
pputNotifyPvt = (putNotifyPvt *)ppn->pputNotifyPvt;
if(!precord->ppnr) {/* make sure record has a putNotifyRecord*/
precord->ppnr = dbCalloc(1,sizeof(putNotifyRecord));
precord->ppnr->precord = precord;
ellInit(&precord->ppnr->restartList);
}
putNotifyCommon(ppn,precord);
}
static void initOnce(void)
{
if ((onceQ = epicsRingPointerCreate(onceQueueSize)) == NULL) {
cantProceed("initOnce: Ring buffer create failed\n");
}
onceSem = epicsEventMustCreate(epicsEventEmpty);
onceTaskId = epicsThreadCreate("scanOnce",
epicsThreadPriorityScanLow + nPeriodic,
epicsThreadGetStackSize(epicsThreadStackBig), onceTask, 0);
epicsEventWait(startStopEvent);
}
static void twdShutdown(void *arg)
{
ELLNODE *cur;
twdCtl = twdctlExit;
epicsEventSignal(loopEvent);
epicsEventWait(exitEvent);
while ((cur = ellGet(&fList)) != NULL) {
VALGRIND_MEMPOOL_FREE(&fList, cur);
free(cur);
}
VALGRIND_DESTROY_MEMPOOL(&fList);
}
static void tpnThread(void *pvt)
{
tpnInfo *ptpnInfo = (tpnInfo *)pvt;
putNotify *ppn = (putNotify *)ptpnInfo->ppn;
dbPutNotify(ppn);
epicsEventWait(ptpnInfo->callbackDone);
dbNotifyCancel(ppn);
epicsEventDestroy(ptpnInfo->callbackDone);
free((void *)ppn->paddr);
free(ppn);
free(ptpnInfo);
}
static void tpnThread(void *pvt)
{
tpnInfo *ptpnInfo = (tpnInfo *) pvt;
processNotify *ppn = (processNotify *) ptpnInfo->ppn;
dbProcessNotify(ppn);
epicsEventWait(ptpnInfo->callbackDone);
dbNotifyCancel(ppn);
epicsEventDestroy(ptpnInfo->callbackDone);
dbChannelDelete(ppn->chan);
free(ppn);
free(ptpnInfo);
}
static void spawnPeriodic(int ind)
{
periodic_scan_list *ppsl;
char taskName[20];
ppsl = papPeriodic[ind];
sprintf(taskName, "scan-%g", ppsl->period);
periodicTaskId[ind] = epicsThreadCreate(
taskName, epicsThreadPriorityScanLow + ind,
epicsThreadGetStackSize(epicsThreadStackBig),
periodicTask, (void *)ppsl);
epicsEventWait(startStopEvent);
}
void asynNDArrayDriver::updateQueuedArrayCount()
{
while (queuedArrayUpdateRun_) {
epicsEventWait(queuedArrayEvent_);
// Exit early
if (!queuedArrayUpdateRun_)
break;
lock();
setIntegerParam(NDNumQueuedArrays, getQueuedArrayCount());
callParamCallbacks();
unlock();
}
epicsEventSignal(queuedArrayUpdateDone_);
}
void callbackInit(void)
{
int i;
int j;
char threadName[32];
if (callbackIsInit) {
errlogMessage("Warning: callbackInit called again before callbackCleanup\n");
return;
}
callbackIsInit = 1;
if(!startStopEvent)
startStopEvent = epicsEventMustCreate(epicsEventEmpty);
cbCtl = ctlRun;
timerQueue = epicsTimerQueueAllocate(0, epicsThreadPriorityScanHigh);
for (i = 0; i < NUM_CALLBACK_PRIORITIES; i++) {
epicsThreadId tid;
callbackQueue[i].semWakeUp = epicsEventMustCreate(epicsEventEmpty);
callbackQueue[i].queue = epicsRingPointerLockedCreate(callbackQueueSize);
if (callbackQueue[i].queue == 0)
cantProceed("epicsRingPointerLockedCreate failed for %s\n",
threadNamePrefix[i]);
callbackQueue[i].queueOverflow = FALSE;
if (callbackQueue[i].threadsConfigured == 0)
callbackQueue[i].threadsConfigured = callbackThreadsDefault;
for (j = 0; j < callbackQueue[i].threadsConfigured; j++) {
if (callbackQueue[i].threadsConfigured > 1 )
sprintf(threadName, "%s-%d", threadNamePrefix[i], j);
else
strcpy(threadName, threadNamePrefix[i]);
tid = epicsThreadCreate(threadName, threadPriority[i],
epicsThreadGetStackSize(epicsThreadStackBig),
(EPICSTHREADFUNC)callbackTask, &priorityValue[i]);
if (tid == 0) {
cantProceed("Failed to spawn callback thread %s\n", threadName);
} else {
epicsEventWait(startStopEvent);
epicsAtomicIncrIntT(&callbackQueue[i].threadsRunning);
}
}
}
}
/* Caller must take devLock */
static
void
stopIsrThread(osdISR *isr)
{
if (isr->waiter_status==osdISRDone)
return;
isr->waiter_status = osdISRStopping;
while (isr->waiter_status!=osdISRDone) {
epicsMutexUnlock(isr->osd->devLock);
epicsEventWait(isr->done);
epicsMutexMustLock(isr->osd->devLock);
}
}
/** Array generation ask that runs as a separate thread. When the P_RunStop parameter is set to 1
* it periodically generates a burst of arrays. */
void testArrayRingBuffer::arrayGenTask(void)
{
double loopDelay;
int runStop;
int i, j;
int burstLength;
double burstDelay;
int maxArrayLength;
int arrayLength;
lock();
/* Loop forever */
getIntegerParam(P_MaxArrayLength, &maxArrayLength);
while (1) {
getDoubleParam(P_LoopDelay, &loopDelay);
getDoubleParam(P_BurstDelay, &burstDelay);
getIntegerParam(P_RunStop, &runStop);
// Release the lock while we wait for a command to start or wait for updateTime
unlock();
if (runStop) epicsEventWaitWithTimeout(eventId_, loopDelay);
else (void)epicsEventWait(eventId_);
// Take the lock again
lock();
/* runStop could have changed while we were waiting */
getIntegerParam(P_RunStop, &runStop);
if (!runStop) continue;
getIntegerParam(P_ArrayLength, &arrayLength);
if (arrayLength > maxArrayLength) {
arrayLength = maxArrayLength;
setIntegerParam(P_ArrayLength, arrayLength);
}
getIntegerParam(P_BurstLength, &burstLength);
for (i=0; i<burstLength; i++) {
for (j=0; j<arrayLength; j++) {
pData_[j] = i;
}
setIntegerParam(P_ScalarData, i);
callParamCallbacks();
doCallbacksInt32Array(pData_, arrayLength, P_ArrayData, 0);
if (burstDelay > 0.0)
epicsThreadSleep(burstDelay);
}
}
}
void verifyTryLock ()
{
struct verifyTryLock verify;
verify.mutex = epicsMutexMustCreate ();
verify.done = epicsEventMustCreate ( epicsEventEmpty );
testOk1(epicsMutexTryLock(verify.mutex) == epicsMutexLockOK);
epicsThreadCreate ( "verifyTryLockThread", 40,
epicsThreadGetStackSize(epicsThreadStackSmall),
verifyTryLockThread, &verify );
testOk1(epicsEventWait ( verify.done ) == epicsEventWaitOK);
epicsMutexUnlock ( verify.mutex );
epicsMutexDestroy ( verify.mutex );
epicsEventDestroy ( verify.done );
}
static void cpuUsageTask(void *parm)
{
while(TRUE)
{
int i;
epicsTimeStamp tStart, tEnd;
epicsEventWait(cpuUsage.startSem);
cpuUsage.nBurnNow=0;
epicsTimeGetCurrent(&tStart);
for(i=0; i< cpuUsage.nBurnNoContention; i++)
{
cpuBurn();
epicsTimeGetCurrent(&tEnd);
cpuUsage.tNow = epicsTimeDiffInSeconds(&tEnd, &tStart);
++cpuUsage.nBurnNow;
}
cpuUsage.didNotComplete = FALSE;
}
}
void FastCCD::dataStatsTask(void)
{
unsigned int status = 0;
double timeout = 0.0;
static const char *functionName = "dataStatsTask";
while(1) {
//Read timeout for polling freq.
this->lock();
timeout = dataStatsPollingPeriod;
this->unlock();
if (timeout != 0.0) {
status = epicsEventWaitWithTimeout(dataStatsEvent, timeout);
} else {
status = epicsEventWait(dataStatsEvent);
}
if (status == epicsEventWaitOK) {
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: Got status event\n",
driverName, functionName);
}
cin_data_stats_t stats;
cin_data_compute_stats(&stats);
setIntegerParam(FastCCDDroppedPck, (int)stats.dropped_packets);
setIntegerParam(FastCCDBadPck, (int)stats.mallformed_packets);
setIntegerParam(FastCCDLastFrame, stats.last_frame);
setIntegerParam(FastCCDPacketBuffer, stats.packet_used);
setIntegerParam(FastCCDFrameBuffer, stats.frame_used);
setIntegerParam(FastCCDImageBuffer, stats.image_used);
//setDoubleParam(FastCCDDataRate, stats.datarate);
this->lock();
callParamCallbacks();
this->unlock();
}
}
void Scaler974::eventThread()
{
int done, presetCount;
char response[100], statusString[20];
size_t responseLen, statusLen;
int counts[MAX_CHANNELS];
int i;
asynStatus status;
static const char *functionName="eventThread";
while(1)
{
epicsEventWait(this->eventId);
while(1)
{
status = this->sendCommand("SHOW_COUNTS", statusString, sizeof(statusString), &statusLen,
response, sizeof(response), &responseLen);
sscanf(response, "%d;%d;%d;%d;",
&counts[0], &counts[1], &counts[2], &counts[3]);
asynPrint(this->pasynUserSelf, ASYN_TRACEIO_DRIVER,
"%s:%s status=%d, counts=%d %d %d %d\n",
driverName, functionName, status, counts[0], counts[1], counts[2], counts[3]);
this->lock();
/* Get value of done in case scaler was stopped by scalerArm(0) */
getIntegerParam(scalerDone, &done);
getIntegerParam(scalerPreset, &presetCount);
if (!done && (counts[0] >= presetCount)) done = 1;
setIntegerParam(scalerDone, done);
for (i=0; i<MAX_CHANNELS; i++) {
setIntegerParam(i, scalerReadSingle, counts[i]);
callParamCallbacks(i, i);
}
this->unlock();
if (done) break;
epicsThreadSleep(this->polltime);
}
}
}
void drvQuadEM::callbackTask()
{
lock();
int numAcquire;
int acquireMode;
while (1) {
unlock();
(void)epicsEventWait(ringEvent_);
lock();
getIntegerParam(P_AcquireMode, &acquireMode);
getIntegerParam(P_NumAcquire, &numAcquire);
doDataCallbacks();
numAcquired_++;
setIntegerParam(P_NumAcquired, numAcquired_);
if ( (acquireMode == QEAcquireModeSingle) ||
((acquireMode == QEAcquireModeMultiple) && (numAcquired_ >= numAcquire))) {
setAcquire(0);
setIntegerParam(P_Acquire, 0);
}
callParamCallbacks();
}
}
void threadFunc_user_DAQ(void *param)
{
ST_STD_device *pSTDdev = (ST_STD_device*) param;
/* ST_threadCfg *pDAQST_threadConfig ; */
if( !pSTDdev ) {
printf("ERROR! threadFunc_user_DAQ() has null pointer of STD device.\n");
return;
}
while(TRUE) {
/* sem_wait( &DAQsemaphore ); */
epicsEventWait( pSTDdev->ST_DAQThread.threadEventId);
#if PRINT_DAQ_DEBUG
printf(">>> %s: DAQthreadFunc() : Got epics Event and DAQ start\n", pSTDdev->taskName);
#endif
/* pSTDdev->StatusDev &= ~TASK_DAQ_STOPED; */
pSTDdev->StatusDev |= TASK_WAIT_FOR_TRIGGER;
pSTDdev->StatusDev |= DEV_IN_LOOP_HTSTREAM;
scanIoRequest(pSTDdev->ioScanPvt_status);
// remove TG acq196_htstream(pSTDdev);
}
}
static void MM4000Poller(MM4000Controller *pController)
{
/* This is the task that polls the MM4000 */
double timeout;
AXIS_HDL pAxis;
int status;
int itera, j;
int axisDone;
int offset;
int anyMoving;
int comStatus;
int forcedFastPolls=0;
char *p, *tokSave;
char statusAllString[BUFFER_SIZE];
char positionAllString[BUFFER_SIZE];
char buff[BUFFER_SIZE];
timeout = pController->idlePollPeriod;
epicsEventSignal(pController->pollEventId); /* Force on poll at startup */
while (1)
{
if (timeout != 0.)
status = epicsEventWaitWithTimeout(pController->pollEventId, timeout);
else
status = epicsEventWait(pController->pollEventId);
if (status == epicsEventWaitOK)
{
/* We got an event, rather than a timeout. This is because other software
* knows that an axis should have changed state (started moving, etc.).
* Force a minimum number of fast polls, because the controller status
* might not have changed the first few polls
*/
forcedFastPolls = 10;
}
anyMoving = 0;
/* Lock all the controller's axis. */
for (itera = 0; itera < pController->numAxes; itera++)
{
pAxis = &pController->pAxis[itera];
if (!pAxis->mutexId)
break;
epicsMutexLock(pAxis->mutexId);
}
comStatus = sendAndReceive(pController, "MS;", statusAllString, sizeof(statusAllString));
if (comStatus == 0)
comStatus = sendAndReceive(pController, "TP;", positionAllString, sizeof(positionAllString));
for (itera=0; itera < pController->numAxes; itera++)
{
pAxis = &pController->pAxis[itera];
if (!pAxis->mutexId)
break;
if (comStatus != 0)
{
PRINT(pAxis->logParam, MOTOR_ERROR, "MM4000Poller: error reading status=%d\n", comStatus);
motorParam->setInteger(pAxis->params, motorAxisCommError, 1);
}
else
{
PARAMS params = pAxis->params;
int intval, axisStatus;
motorParam->setInteger(params, motorAxisCommError, 0);
/*
* Parse the status string
* Status string format: 1MSx,2MSy,3MSz,... where x, y and z are the status
* bytes for the motors
*/
offset = pAxis->axis*5 + 3; /* Offset in status string */
axisStatus = pAxis->axisStatus = statusAllString[offset];
if (axisStatus & MM4000_MOVING)
{
axisDone = 0;
anyMoving = 1;
}
else
axisDone = 1;
motorParam->setInteger(params, motorAxisDone, axisDone);
motorParam->setInteger(params, motorAxisHomeSignal, (axisStatus & MM4000_HOME));
motorParam->setInteger(params, motorAxisHighHardLimit, (axisStatus & MM4000_HIGH_LIMIT));
motorParam->setInteger(params, motorAxisLowHardLimit, (axisStatus & MM4000_LOW_LIMIT));
motorParam->setInteger(params, motorAxisDirection, (axisStatus & MM4000_DIRECTION));
motorParam->setInteger(params, motorAxisPowerOn, !(axisStatus & MM4000_POWER_OFF));
/*
* Parse motor position
* Position string format: 1TP5.012,2TP1.123,3TP-100.567,...
* Skip to substring for this motor, convert to double
*/
strcpy(buff, positionAllString);
tokSave = NULL;
p = epicsStrtok_r(buff, ",", &tokSave);
for (j=0; j < pAxis->axis; j++)
p = epicsStrtok_r(NULL, ",", &tokSave);
pAxis->currentPosition = atof(p+3);
motorParam->setDouble(params, motorAxisPosition, (pAxis->currentPosition/pAxis->stepSize));
motorParam->setDouble(params, motorAxisEncoderPosn, (pAxis->currentPosition/pAxis->stepSize));
PRINT(pAxis->logParam, IODRIVER, "MM4000Poller: axis %d axisStatus=%x, position=%f\n",
pAxis->axis, pAxis->axisStatus, pAxis->currentPosition);
/* We would like a way to query the actual velocity, but this is not possible. If we could we could
* set the direction, and Moving flags */
/* Check for controller error. */
comStatus = sendAndReceive(pController, "TE;", buff, sizeof(statusAllString));
if (buff[2] == '@')
intval = 0;
else
{
intval = 1;
PRINT(pAxis->logParam, MOTOR_ERROR, "MM4000Poller: controller error %s\n", buff);
}
motorParam->setInteger(params, motorAxisProblem, intval);
}
motorParam->callCallback(pAxis->params);
} /* Next axis */
/* UnLock all the controller's axis. */
for (itera = 0; itera < pController->numAxes; itera++)
{
pAxis = &pController->pAxis[itera];
if (!pAxis->mutexId)
break;
epicsMutexUnlock(pAxis->mutexId);
}
if (forcedFastPolls > 0)
{
timeout = pController->movingPollPeriod;
forcedFastPolls--;
}
else if (anyMoving)
timeout = pController->movingPollPeriod;
else
timeout = pController->idlePollPeriod;
} /* End while */
}
/** This thread is woken up by an interrupt or a request to read status
* It loops calling readFIFO until acquiring_ goes to false.
* readFIFO only reads a limited amount of FIFO data at once in order
* to avoid blocking the device support threads. */
void drvSIS3801::readFIFOThread()
{
int count;
int signal;
int chan;
int nChans;
int status;
int i;
bool acquiring; // We have a separate flag because we need to continue processing one last
// time even if acquiring_ goes to false because acquisition was manually stopped
epicsUInt32 scalerPresets[SIS38XX_MAX_SIGNALS];
epicsUInt32 *pOut=NULL;
epicsTimeStamp t1, t2;
static const char* functionName="readFIFOThread";
while(true)
{
epicsEventWait(readFIFOEventId_);
// We got an event, which can come from acquisition starting, or FIFO full interrupt
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: got readFIFOEvent, eventType=%d, interrupt status=0x%8.8x\n",
driverName, functionName, eventType_, registers_->csr_reg & 0xFFF00000);
lock();
acquiring = acquiring_;
unlock();
while (acquiring) {
lock();
for (i=0; i<maxSignals_; i++)
getIntegerParam(i, scalerPresets_, (int *)&scalerPresets[i]);
getIntegerParam(mcaNumChannels_, &nChans);
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: scaler presets[0]=%d, scalerData[0]=%d\n",
driverName, functionName, scalerPresets[0], scalerData_[0]);
signal = nextSignal_;
chan = nextChan_;
count = 0;
// This block of code can be slow and does not require the asynPortDriver lock because we are not
// accessing object data that could change.
// It does require the FIFO lock so no one resets the FIFO while it executes
epicsMutexLock(fifoLockId_);
unlock();
epicsTimeGetCurrent(&t1);
/* Read out FIFO. It would be more efficient not to check the empty
* flag on each transfer, using the almost empty flag. But this has gotten
* too complex, and is unlikely to save time on new boards with lots of
* memory.
*/
if (acquireMode_== ACQUIRE_MODE_MCS) {
// Copy the data from the FIFO to the mcsBuffer
pOut = mcsData_ + signal*maxChans_ + chan;
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: pOut=%p, signal=%d, chan=%d\n",
driverName, functionName, pOut, signal, chan);
while (((registers_->csr_reg & STATUS_M_FIFO_FLAG_EMPTY)==0) && (chan < nChans) && acquiring_) {
*pOut = registers_->fifo_reg;
signal++;
count++;
if (signal >= maxSignals_) {
signal = 0;
chan++;
pOut = mcsData_ + chan;
} else {
pOut += maxChans_;
}
}
} else if (acquireMode_ == ACQUIRE_MODE_SCALER) {
while ((registers_->csr_reg & STATUS_M_FIFO_FLAG_EMPTY)==0 && acquiring_) {
scalerData_[signal] += registers_->fifo_reg;
signal++;
count++;
if (signal >= maxSignals_) {
for (i=0; i<maxSignals_; i++) {
if ((scalerPresets[i] != 0) &&
(scalerData_[i] >= scalerPresets[i]))
acquiring = false;
}
asynPrintIO(pasynUserSelf, ASYN_TRACEIO_DRIVER,
(const char*)scalerData_, maxSignals_*sizeof(epicsUInt32),
"%s:%s:\n",
driverName, functionName);
if (!acquiring) break;
signal = 0;
}
}
}
epicsTimeGetCurrent(&t2);
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: read FIFO (%d) in %fs, acquiring=%d\n",
driverName, functionName, count, epicsTimeDiffInSeconds(&t2, &t1), acquiring_);
// Release the FIFO lock, we are done accessing the FIFO
epicsMutexUnlock(fifoLockId_);
// Take the lock since we are now changing object data
lock();
nextChan_ = chan;
nextSignal_ = signal;
if (acquireMode_ == ACQUIRE_MODE_MCS) {
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: pOut=%p,signal=%d, chan=%d\n",
driverName, functionName, pOut, signal, chan);
checkMCSDone();
} else if (acquireMode_ == ACQUIRE_MODE_SCALER) {
if (!acquiring) acquiring_ = false;
if (!acquiring_) {
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: scaler done, doing callbacks\n",
driverName, functionName);
stopScaler();
setIntegerParam(scalerDone_, 1);
callParamCallbacks();
}
}
/* Reenable interrupts in case we were woken up by an interrupt for FIFO almost full */
enableInterrupts();
acquiring = acquiring_;
// Release the lock
unlock();
// If we are still acquiring then sleep for a short time, but wake up if there is an interrupt
if (acquiring) {
status = epicsEventWaitWithTimeout(readFIFOEventId_, epicsThreadSleepQuantum());
if (status == epicsEventWaitOK)
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: got interrupt in epicsEventWaitWithTimeout, eventType=%d\n",
driverName, functionName, eventType_);
}
}
}
}
/** Callback task that runs as a separate thread. */
void testErrors::callbackTask(void)
{
asynStatus currentStatus;
int itemp;
epicsInt32 iVal;
epicsUInt32 uiVal;
epicsFloat64 dVal;
int i;
char octetValue[20];
/* Loop forever */
while (1) {
lock();
updateTimeStamp();
getIntegerParam(P_StatusReturn, &itemp); currentStatus = (asynStatus)itemp;
getIntegerParam(P_Int32Value, &iVal);
iVal++;
if (iVal > 64) iVal=0;
setIntegerParam(P_Int32Value, iVal);
setParamStatus( P_Int32Value, currentStatus);
getIntegerParam(P_BinaryInt32Value, &iVal);
iVal++;
if (iVal > 1) iVal=0;
setIntegerParam(P_BinaryInt32Value, iVal);
setParamStatus( P_BinaryInt32Value, currentStatus);
getIntegerParam(P_MultibitInt32Value, &iVal);
iVal++;
if (iVal > MAX_INT32_ENUMS-1) iVal=0;
setIntegerParam(P_MultibitInt32Value, iVal);
setParamStatus( P_MultibitInt32Value, currentStatus);
getUIntDigitalParam(P_UInt32DigitalValue, &uiVal, UINT32_DIGITAL_MASK);
uiVal++;
if (uiVal > 64) uiVal=0;
setUIntDigitalParam(P_UInt32DigitalValue, uiVal, UINT32_DIGITAL_MASK);
setParamStatus( P_UInt32DigitalValue, currentStatus);
getUIntDigitalParam(P_BinaryUInt32DigitalValue, &uiVal, UINT32_DIGITAL_MASK);
uiVal++;
if (uiVal > 1) uiVal=0;
setUIntDigitalParam(P_BinaryUInt32DigitalValue, uiVal, UINT32_DIGITAL_MASK);
setParamStatus( P_BinaryUInt32DigitalValue, currentStatus);
getUIntDigitalParam(P_MultibitUInt32DigitalValue, &uiVal, UINT32_DIGITAL_MASK);
uiVal++;
if (uiVal > MAX_UINT32_ENUMS-1) uiVal=0;
setUIntDigitalParam(P_MultibitUInt32DigitalValue, uiVal, UINT32_DIGITAL_MASK);
setParamStatus( P_MultibitUInt32DigitalValue, currentStatus);
getDoubleParam(P_Float64Value, &dVal);
dVal += 0.1;
setDoubleParam(P_Float64Value, dVal);
setParamStatus(P_Float64Value, currentStatus);
sprintf(octetValue, "%.1f", dVal);
setStringParam(P_OctetValue, octetValue);
setParamStatus(P_OctetValue, currentStatus);
for (i=0; i<MAX_ARRAY_POINTS; i++) {
int8ArrayValue_[i] = iVal;
int16ArrayValue_[i] = iVal;
int32ArrayValue_[i] = iVal;
float32ArrayValue_[i] = (epicsFloat32)dVal;
float64ArrayValue_[i] = dVal;
}
callParamCallbacks();
setParamStatus(P_Int8ArrayValue, currentStatus);
setParamStatus(P_Int16ArrayValue, currentStatus);
setParamStatus(P_Int32ArrayValue, currentStatus);
setParamStatus(P_Float32ArrayValue, currentStatus);
setParamStatus(P_Float64ArrayValue, currentStatus);
doCallbacksInt8Array(int8ArrayValue_, MAX_ARRAY_POINTS, P_Int8ArrayValue, 0);
doCallbacksInt16Array(int16ArrayValue_, MAX_ARRAY_POINTS, P_Int16ArrayValue, 0);
doCallbacksInt32Array(int32ArrayValue_, MAX_ARRAY_POINTS, P_Int32ArrayValue, 0);
doCallbacksFloat32Array(float32ArrayValue_, MAX_ARRAY_POINTS, P_Float32ArrayValue, 0);
doCallbacksFloat64Array(float64ArrayValue_, MAX_ARRAY_POINTS, P_Float64ArrayValue, 0);
unlock();
epicsEventWait(eventId_);
}
}