unsigned int __stdcall PlotThread(void* data)
{
uint32_t retVal= 0;
WDPlot_t *plotData= (WDPlot_t *)data;
int i, s=0, ntr, comma=0, c, npts=0, WaitTime;
FILE *fplot;
SetPlotOptions(plotData);
fplot = fopen(PLOT_DATA_FILE, "w");
if (fplot == NULL) {
retVal= -1;
goto exitPoint;
}
ntr = plotData->NumTraces;
while(ntr > 0) {
fprintf(fplot, "%d\t", s);
for(i=0; i<plotData->NumTraces; i++) {
if (s < plotData->TraceSize[i]) {
fprintf(fplot, "%d\t", plotData->TraceData[i][s]);
npts++;
}
if (plotData->TraceSize[i] == (s-1))
ntr--;
}
s++;
fprintf(fplot, "\n");
}
fclose(fplot);
/* str contains the plot command for gnuplot */
fprintf(gnuplot, "plot ");
c = 2; /* first column of data */
for(i=0; i<plotData->NumTraces; i++) {
if (comma)
fprintf(gnuplot, ", ");
fprintf(gnuplot, "'%s' using ($1*%f):($%d*%f) title 'ch%d' with lines %d", PLOT_DATA_FILE, plotData->Xscale, c++, plotData->Yscale, i, i+1);
comma = 1;
}
fprintf(gnuplot, "\n");
fflush(gnuplot);
/* wait for gnuplot to finish */
// TODO verificare documentazione gnuPlot per vedere se c'è modo di capire quando gnuPlot ha finito
WaitTime = npts/100;
if (WaitTime < 100)
WaitTime = 100;
Sleep(WaitTime);
exitPoint:
// Free the traces storage
for(i=0; i<plotData->NumTraces; i++)
free( plotData->TraceData[i]);
plotData->NumTraces= 0;
_endthreadex( retVal );
return retVal;
}
void *PlotThread(void* data)
#endif
{
volatile WDPlot_t *plotData= (volatile WDPlot_t *)data;
while( !plotData->Exit) {
int i, s=0, ntr, comma=0, c, npts=0, WaitTime;
FILE *fplot;
while( !plotData->DataReady) {
if( plotData->Exit) {
goto exitPoint;
}
Sleep( 10);
}
plotData->DataReady= 0;
SetPlotOptions(plotData);
fplot = fopen(PLOT_DATA_FILE, "w");
if (fplot == NULL) {
goto exitPoint;
}
ntr = plotData->NumTraces;
while(ntr > 0) {
fprintf(fplot, "%d\t", s);
for(i=0; i<plotData->NumTraces; i++) {
if (s < plotData->TraceSize[i]) {
fprintf(fplot, "%d\t", plotData->TraceData[i][s]);
npts++;
}
if (plotData->TraceSize[i] == (s-1))
ntr--;
}
s++;
fprintf(fplot, "\n");
}
fclose(fplot);
/* str contains the plot command for gnuplot */
fprintf(gnuplot, "plot ");
c = 2; /* first column of data */
for(i=0; i<plotData->NumTraces; i++) {
if (comma)
fprintf(gnuplot, ", ");
fprintf(gnuplot, "'%s' using ($1*%f):($%d*%f) title '%s' with lines %d ", PLOT_DATA_FILE, plotData->Xscale, c++, plotData->Yscale, plotData->TraceName[i], i+1);
comma = 1;
}
fprintf(gnuplot, "\n");
fflush(gnuplot);
/* wait for gnuplot to finish */
WaitTime = npts/100;
if (WaitTime < 100)
WaitTime = 100;
Sleep(WaitTime);
exitPoint:
// Free the traces storage
for(i=0; i<plotData->NumTraces; i++)
free( plotData->TraceData[i]);
plotData->NumTraces= 0;
plotData->Busy= 0;
}
#ifdef WIN32
_endthreadex( 0 );
return 0;
#else
return (void*)0;
#endif
}
int PlotWaveforms(void)
{
int i, s=0, ntr, comma=0, c, npts=0, WaitTime;
FILE *fplot;
Busy = 1;
if (SetOption)
SetPlotOptions();
fplot = fopen(PLOT_DATA_FILE, "w");
if (fplot == NULL) {
Busy = 0;
return -1;
}
ntr = PlotVar.NumTraces;
while(ntr > 0) {
fprintf(fplot, "%d\t", s);
for(i=0; i<PlotVar.NumTraces; i++) {
if (s < PlotVar.TraceSize[i]) {
if (PlotVar.DataType == PLOT_DATA_UINT8) {
uint8_t *data = (uint8_t *)PlotVar.TraceData[i];
fprintf(fplot, "%d\t", data[s]);
} else if (PlotVar.DataType == PLOT_DATA_UINT16) {
uint16_t *data = (uint16_t *)PlotVar.TraceData[i];
fprintf(fplot, "%d\t", data[s]);
} else if (PlotVar.DataType == PLOT_DATA_UINT32) {
uint32_t *data = (uint32_t *)PlotVar.TraceData[i];
fprintf(fplot, "%d\t", data[s]);
} else if (PlotVar.DataType == PLOT_DATA_DOUBLE) {
double *data = (double *)PlotVar.TraceData[i];
fprintf(fplot, "%f\t", data[s]);
} else if (PlotVar.DataType == PLOT_DATA_FLOAT) {
float *data = (float *)PlotVar.TraceData[i];
fprintf(fplot, "%f\t", data[s]);
}
npts++;
}
if (PlotVar.TraceSize[i] == (s-1))
ntr--;
}
s++;
fprintf(fplot, "\n");
}
fclose(fplot);
/* str contains the plot command for gnuplot */
fprintf(gnuplot, "plot ");
c = 2; /* first column of data */
for(i=0; i<PlotVar.NumTraces; i++) {
if (comma)
fprintf(gnuplot, ", ");
fprintf(gnuplot, "'%s' using ($1*%f):($%d*%f) title '%s' with step linecolor %d ", PLOT_DATA_FILE, PlotVar.Xscale, c++, PlotVar.Yscale, PlotVar.TraceName[i], i+1);
comma = 1;
}
fprintf(gnuplot, "\n");
fflush(gnuplot);
/* set the time gnuplot will have finished */
WaitTime = npts/20;
if (WaitTime < 100)
WaitTime = 100;
Tfinish = get_time() + WaitTime;
return 0;
}