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Rename squelch algorithm variable for clarity.

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Helps to understand meaning of threshold.
This commit is contained in:
Jared Boone 2016-01-10 20:14:26 -08:00
parent 6f00687d88
commit 01df79641c
1 changed files with 4 additions and 4 deletions
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8
firmware/baseband/dsp_squelch.cpp
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@ -33,15 +33,15 @@ bool FMSquelch::execute(const buffer_s16_t& audio) {
}; };
non_audio_hpf.execute(audio, squelch_energy); non_audio_hpf.execute(audio, squelch_energy);
uint32_t max_squared = 0; uint32_t non_audio_max_squared = 0;
for(const auto sample : squelch_energy_buffer) { for(const auto sample : squelch_energy_buffer) {
const uint32_t sample_squared = sample * sample; const uint32_t sample_squared = sample * sample;
if( sample_squared > max_squared ) { if( sample_squared > non_audio_max_squared ) {
max_squared = sample_squared; non_audio_max_squared = sample_squared;
} }
} }
return (max_squared < threshold_squared); return (non_audio_max_squared < threshold_squared);
} }
void FMSquelch::set_threshold(const uint32_t new_value) { void FMSquelch::set_threshold(const uint32_t new_value) {