Avr/Max function and dB scale offset

[artmaen]

Hi. Here's some suggestions. When using as spectrum analyzer, normal (averaging) graph shows really low spikes especially with wider sweep. Dynamic suffers and different signal leves are quite off. Min/Max function shows better but all 3 graphs is not useful for this.

Maybe another button for this? I tested next code where replaced Min/Max function as Avr/Max, normally average and Max as one graph for analyzer.

Next, dB scale. I tested additional function for change scale offset as required. Useful to compare levels or set dB scale to show dBm. As gain=0 and offset -45 seems to be quite close to dBm scale on my dongle (at VHF).

I haven't try more as editing config to save settings etc... These just for ideas.

regards

---

Avr/Max function: spektrum.pde:

--edited this, Min/max button text--

cp5.addToggle("minmaxToggle") .setPosition(x + 70, y) .setSize(20,20) .setValue(false) .getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE).setText("Avr/Max") ;

--disabed this--

/
if(minmaxDisplay){ graphDrawLine(lastPoint.x, (int)((lastPoint.yMin - scaleMin) scaleFactor), point.x, (int)((point.yMin - scaleMin) scaleFactor), #C23B22, 255); graphDrawLine(lastPoint.x, (int)((lastPoint.yMax - scaleMin) scaleFactor), point.x, (int)((point.yMax - scaleMin) * scaleFactor), #03C03C, 255);

}

*/

---

scale.pde

--edited, added lines (minmaxDisp..)--

while (position < length) { if (oldIndex != (int)position) { DataPoint dp = new DataPoint(); dp.x = (int)position - 1; dp.yMin = minValue; dp.yMax = maxValue; if(minmaxDisplay){ dp.yAvg = maxValue; } else { dp.yAvg = (double)sum / (double)count; } ret[oldIndex] = dp;

---

Db scale function: spektrum.pde

--added--

int dboffSet = 0;

cp5.addTextfield("dboffsetTxt") .setPosition(x + 100 , y) .setSize(30, 20) .setText(str(dboffSet)) .setAutoClear(false) .getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE).setText("Db offset") ;

public void dboffsetTxt(String tmpText){

dboffSet = parseInt(tmpText); cp5.get(Textfield.class,"dboffsetTxt").setText(str(dboffSet));

}

---

graph.pde:

--edited--

double yPos = maxValue to: double yPos = maxValue + dboffSet;