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Adding_WFM_AM_mode_to_Audio_App (#2644)

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* Adding_WFM_AM_mode_to_Audio_App
* more precise values for cos and sin theta, fix sen_theta to sin_theta
* fix sen_theta to sin_theta
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Brumi-2021 2025-05-05 17:48:01 +02:00 • committed by GitHub
parent bd781ce37b
commit 4342f5c0ee
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18 changed files with 448 additions and 49 deletions
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5
firmware/baseband/audio_output.hpp
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@ -46,6 +46,7 @@ class AudioOutput {
const float squelch_threshold = 0.0f);
void write_unprocessed(const buffer_s16_t& audio);
void apt_write(const buffer_s16_t& audio);
void write(const buffer_s16_t& audio);
void write(const buffer_f32_t& audio);
@ -58,6 +59,10 @@ class AudioOutput {
private:
static constexpr float k = 32768.0f;
static constexpr float ki = 1.0f / k;
static constexpr float cos_theta = 0.30901699437494742410f;
static constexpr float sin_theta = 0.95105651629515357212f;
float cur = 0.0f, cur2 = 0.0f, prev = 0.0f, prev2 = 0.0f, mag_am = 0.0f;
BlockDecimator<int16_t, 32> block_buffer_s16{1};
BlockDecimator<float, 32> block_buffer{1};