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fix filter setup

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This commit is contained in:
Jakob Ketterl 2020-05-02 01:25:23 +02:00
parent b956a0dcd6
commit 19518da2e2
1 changed files with 16 additions and 5 deletions
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21
htdocs/lib/Demodulator.js
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@ -1,10 +1,11 @@
function Filter() {
function Filter(demodulator) {
this.demodulator = demodulator;
this.min_passband = 100;
}
Filter.prototype.getLimits = function() {
var max_bw;
if (secondary_demod === 'pocsag') {
if (this.demodulator.get_secondary_demod() === 'pocsag') {
max_bw = 12500;
} else {
max_bw = (audioEngine.getOutputRate() / 2) - 1;
@ -142,7 +143,7 @@ Envelope.prototype.drag_move = function(x) {
if (this.demodulator.high_cut - new_value < this.demodulator.filter.min_passband) return true;
//sanity check to prevent GNU Radio "firdes check failed: fa <= fb"
if (new_value >= this.demodulator.high_cut) return true;
this.demodulator.low_cut = new_value;
this.demodulator.setLowCut(new_value);
}
if (this.dragged_range === dr.ending || this.dragged_range === dr.bfo || this.dragged_range === dr.pbs) {
//we don't let high_cut go beyond its limits
@ -151,7 +152,7 @@ Envelope.prototype.drag_move = function(x) {
if (new_value - this.demodulator.low_cut < this.demodulator.filter.min_passband) return true;
//sanity check to prevent GNU Radio "firdes check failed: fa <= fb"
if (new_value <= this.demodulator.low_cut) return true;
this.demodulator.high_cut = new_value;
this.demodulator.setHighCut(new_value);
}
if (this.dragged_range === dr.anything_else || this.dragged_range === dr.bfo) {
//when any other part of the envelope is dragged, the offset frequency is changed (whole passband also moves with it)
@ -181,7 +182,7 @@ function Demodulator(offset_frequency, modulation) {
this.envelope = new Envelope(this);
this.color = Demodulator.get_next_color();
this.modulation = modulation;
this.filter = new Filter();
this.filter = new Filter(this);
this.squelch_level = -150;
this.dmr_filter = 3;
this.state = {};
@ -307,6 +308,16 @@ Demodulator.prototype.setBandpass = function(bandpass) {
this.set();
};
Demodulator.prototype.setLowCut = function(low_cut) {
this.low_cut = low_cut;
this.set();
};
Demodulator.prototype.setHighCut = function(high_cut) {
this.high_cut = high_cut;
this.set();
};
Demodulator.prototype.getBandpass = function() {
return {
low_cut: this.low_cut,