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Display CTCSS tone freq in Audio, Recon, and Level apps (#1231)

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* Generate CTCSS messages at fixed rate regardless of tone freq

* Generate CTCSS messages at fixed rate regardless of tone freq

* Function for generating CTCSS description strings

* Function for generating CTCSS description strings

* Increase width of CTCSS text to include tone freq

* Increase width of CTCSS text field to include frequency

* Use CTCSS tone freq when saving HAM freqs to freq file

* Use function in tone_key.cpp for displaying CTCSS string

* Use function in tone_key.cpp for CTCSS descr strings

* Use function in tone_key.cpp for CTCSS descr strings

* Clang test

* Clang

* Clang

* Support for reading CTCSS tones from FreqMan file

* Clang

* Clean up and eliminate floating point

* Clean up and eliminate floating point

* Corrected CTCSS field length

* Corrected CTCSS field length

* Clang
This commit is contained in:
Mark Thompson
2023-07-02 18:53:51 -05:00
committed by GitHub
parent 44dd8fd083
commit 80c769b97d
12 changed files with 174 additions and 126 deletions
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8
firmware/baseband/proc_nfm_audio.cpp
View File

@@ -53,7 +53,9 @@ void NarrowbandFMAudio::execute(const buffer_c8_t& buffer) {
if (ctcss_detect_enabled) {
/* 24kHz int16_t[16]
* -> FIR filter, <300Hz pass, >300Hz stop, gain of 1
* -> 12kHz int16_t[8] */
* -> 12kHz int16_t[8]
*
* Note we're only processing a small section of the wave each time this fn is called */
auto audio_ctcss = ctcss_filter.execute(audio, work_audio_buffer);
// s16 to f32 for hpf
@@ -79,9 +81,11 @@ void NarrowbandFMAudio::execute(const buffer_c8_t& buffer) {
prev_sample = cur_sample;
}
if (z_count >= 30) {
z_filter_count++;
if ((z_filter_count >= Z_MIN_FILTER_COUNT) && (z_count >= Z_MIN_ZERO_CROSSINGS)) {
ctcss_message.value = (100 * 12000 / 2 * z_count) / z_acc;
shared_memory.application_queue.push(ctcss_message);
z_filter_count = 0;
z_count = 0;
z_acc = 0;
}

5
firmware/baseband/proc_nfm_audio.hpp
View File

@@ -36,6 +36,9 @@
#include <cstdint>
#define Z_MIN_FILTER_COUNT 224
#define Z_MIN_ZERO_CROSSINGS 20
class NarrowbandFMAudio : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
@@ -88,7 +91,7 @@ class NarrowbandFMAudio : public BasebandProcessor {
bool pitch_rssi_enabled{false};
float cur_sample{}, prev_sample{};
uint32_t z_acc{0}, z_timer{0}, z_count{0};
uint32_t z_acc{0}, z_timer{0}, z_count{0}, z_filter_count{0};
bool ctcss_detect_enabled{true};
static constexpr float k = 32768.0f;
static constexpr float ki = 1.0f / k;