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Tone generator class

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This commit is contained in:
furrtek
2017-11-10 00:25:04 +00:00
parent 32ae059c44
commit 1b93dd53e8
16 changed files with 143 additions and 78 deletions
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14
firmware/baseband/proc_audiotx.cpp
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@@ -52,16 +52,10 @@ void AudioTXProcessor::execute(const buffer_c8_t& buffer){
as--;
}
if (ctcss_enabled) {
ctcss_sample = sine_table_i8[(ctcss_phase & 0xFF000000U) >> 24];
sample_mixed = ((sample * 205) + (ctcss_sample * 50)) / 256; // ~20%
ctcss_phase += ctcss_phase_inc;
} else {
sample_mixed = sample;
}
sample = tone_gen.process(sample);
// FM
delta = sample_mixed * fm_delta;
delta = sample * fm_delta;
phase += delta;
sphase = phase + (64 << 24);
@@ -82,9 +76,9 @@ void AudioTXProcessor::on_message(const Message* const msg) {
case Message::ID::AudioTXConfig:
fm_delta = message.fm_delta * (0xFFFFFFULL / 1536000);
divider = message.divider;
ctcss_enabled = message.ctcss_enabled;
ctcss_phase_inc = message.ctcss_phase_inc;
as = 0;
tone_gen.configure(message.tone_key_delta, message.tone_key_mix_weight);
configured = true;
break;