/// HIFN Creates a Sink VChan which may support multiple data types. Provide an array of dataTypes of DLDataTypes elements.
SinkVChan_type* init_SinkVChan_type (char name[],
DLDataTypes dataTypes[],
size_t nDataTypes,
void* VChanOwner,
double readTimeout,
VChanStateChangeCBFptr_type VChanStateChangeCBFptr)
{
SinkVChan_type* vchan = malloc(sizeof(SinkVChan_type));
if (!vchan) return NULL;
// init
vchan->dataTypes = NULL;
// init base VChan type
if (init_VChan_type ((VChan_type*) vchan, name, VChan_Sink, VChanOwner, (DiscardVChanFptr_type)discard_SinkVChan_type,
(DisconnectVChanFptr_type)disconnectSinkVChan, VChanStateChangeCBFptr, (VChanIsConnectedFptr_type)SinkVChanIsConnected) < 0) goto Error;
// INIT DATA
vchan->sourceVChan = NULL;
vchan->nDataTypes = nDataTypes;
vchan->readTimeout = readTimeout;
// copy data types
vchan->dataTypes = malloc(nDataTypes * sizeof(DLDataTypes));
if (!vchan->dataTypes) goto Error;
memcpy(vchan->dataTypes, dataTypes, nDataTypes*sizeof(DLDataTypes));
// init thread safe queue
CmtNewTSQ(DEFAULT_SinkVChan_QueueSize, sizeof(DataPacket_type*), 0, &vchan->tsqHndl);
// init write timeout (time to keep on trying to write a data packet to the queue)
vchan->writeTimeout = DEFAULT_SinkVChan_QueueWriteTimeout;
return vchan;
Error:
OKfree(vchan->dataTypes);
discard_VChan_type ((VChan_type**)&vchan); // do this last
return NULL;
}
/* 按钮-Start-Btn */
int CVICALLBACK ControlShowingBtnCallback(int panel, int control, int event,
void *callbackData, int eventData1, int eventData2){
switch (event){
case EVENT_COMMIT:
if(CPanels[0] <=0 && TPanels[0]<=0){
initChildPanels();
CmtNewTSQ(READ_LENGTH, sizeof(char), OPT_TSQ_DYNAMIC_SIZE, &tsqHdl);
CmtInstallTSQCallback (tsqHdl, EVENT_TSQ_ITEMS_IN_QUEUE, READ_LENGTH,
readDataAndPlot, NULL, CmtGetCurrentThreadID(), NULL);
}
int i; GetCtrlVal(panel, MainPanel_Signal_ID_List, &i);
if(i == 6){
for(int j=0; j<validMonNum; j++)
signalShowingStat[j] = 1;//temp signalShowingStat[j]==1?0:1;
}else{
signalShowingStat[i] = signalShowingStat[i]==1?0:1;
}
if( isDataAcqRunning == 0)
startDataAcq();
break;
}//switch()
return 0;
}