/**
* Main processing thread
*
* <p>General functionality: This function is running as a separate thread from the component's
* main thread.
*
* @generated
*/
public void run() {
// begin-user-code
double[] data = new double[this.xfer_len.getValue()];
double phase = 0;
double chirp = 0;
double sample_time_delta;
double delta_phase;
double delta_phase_offset;
sri = new StreamSRI();
sri.hversion = 1;
sri.mode = 0;
sri.xdelta = 0.0;
sri.ydelta = 1.0;
sri.subsize = 0;
sri.xunits = 1; // TIME_S
sri.streamID = (this.stream_id.getValue() != null) ? this.stream_id.getValue() : "";
sriUpdate = true;
// end-user-code
while (this.started()) {
// begin-user-code
try {
/// If the transfer length has changed, reallocate the buffer
if (this.xfer_len.getValue() != data.length) {
data = new double[this.xfer_len.getValue()];
sriUpdate = true;
}
sample_time_delta = (1.0 / this.sample_rate.getValue());
if (sample_time_delta != sri.xdelta) {
sri.xdelta = sample_time_delta;
sriUpdate = true;
}
if (sriUpdate || (!this.port_out.hasSri(sri.streamID))) {
this.port_out.pushSRI(sri);
}
sriUpdate = false;
delta_phase = this.frequency.getValue() * sample_time_delta;
delta_phase_offset = chirp * sample_time_delta * sample_time_delta;
if ((delta_phase < 0) && (!this.shape.getValue().equals("sine"))) {
delta_phase = -delta_phase;
}
// Generate the Waveform
if (this.shape.getValue().equals("sine")) {
Waveform.sincos(
data, this.magnitude.getValue(), phase, delta_phase, this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("square")) {
Waveform.square(
data, this.magnitude.getValue(), phase, delta_phase, this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("triangle")) {
Waveform.triangle(
data, this.magnitude.getValue(), phase, delta_phase, this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("sawtooth")) {
Waveform.sawtooth(
data, this.magnitude.getValue(), phase, delta_phase, this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("pulse")) {
Waveform.pulse(
data, this.magnitude.getValue(), phase, delta_phase, this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("constant")) {
Waveform.constant(data, this.magnitude.getValue(), this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("whitenoise")) {
Waveform.whitenoise(data, this.magnitude.getValue(), this.xfer_len.getValue(), 1);
} else if (this.shape.getValue().equals("lrs")) {
Waveform.lrs(data, this.magnitude.getValue(), this.xfer_len.getValue(), 1, 1);
}
phase += delta_phase * this.xfer_len.getValue(); // increment phase
phase -= Math.floor(phase); // modulo 1.0
// Create a CPU time-stamp
long tmp_time = System.currentTimeMillis();
double wsec = tmp_time / 1000;
double fsec = (tmp_time % 1000) / 1000.;
PrecisionUTCTime tstamp =
new PrecisionUTCTime(BULKIO.TCM_CPU.value, (short) 1, (short) 0, wsec, fsec);
// Push the data
this.port_out.pushPacket(
data,
tstamp,
false,
(this.stream_id.getValue() != null) ? this.stream_id.getValue() : "");
// If we are throttling, wait...otherwise run at full speed
if (this.throttle.getValue() == true) {
long wait_amt = (long) (this.xfer_len.getValue() * sample_time_delta * 1000);
try {
Thread.sleep(wait_amt);
} catch (InterruptedException e) {
break;
}
}
} catch (Throwable t) {
logger.error("Error in processing loop", t);
}
// end-user-code
}
// begin-user-code
// end-user-code
}
