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Merge pull request #381 from teixeluis/feature-radiosondes-beep-371

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Radiosonde beep pitch RSSI improvements. Keeping current frequency in battery backed RAM
This commit is contained in:
Erwin Ried 2021-06-17 21:48:14 +02:00 committed by GitHub
commit 8afd83a4e1
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 25 additions and 22 deletions
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2
firmware/application/apps/ui_sonde.cpp
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@ -211,7 +211,7 @@ void SondeView::set_target_frequency(const uint32_t new_value) {
target_frequency_ = new_value;
//radio::set_tuning_frequency(tuning_frequency());
// we better remember the tuned frequency, by using this function instead:
receiver_model.set_tuning_frequency(tuning_frequency());
receiver_model.set_tuning_frequency(target_frequency_);
}
uint32_t SondeView::tuning_frequency() const {

8
firmware/baseband/proc_sonde.cpp
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@ -35,7 +35,7 @@ SondeProcessor::SondeProcessor() {
audio_output.configure(false);
tone_gen.configure(0, 1, ToneGen::tone_type::square);
tone_gen.configure(BEEP_BASE_FREQ, 1.0, ToneGen::tone_type::sine, AUDIO_SAMPLE_RATE);
}
void SondeProcessor::execute(const buffer_c8_t& buffer) {
@ -135,9 +135,11 @@ void SondeProcessor::generate_silence() {
void SondeProcessor::pitch_rssi_config(const PitchRSSIConfigureMessage& message) {
pitch_rssi_enabled = message.enabled;
uint32_t tone_delta = (int) ((float) message.rssi * (float) RSSI_PITCH_WEIGHT + (float) 1000) * ((float) (1ULL << 32) / (float) 24000);
uint32_t freq = (int) ((float) message.rssi * (float) RSSI_PITCH_WEIGHT + (float) BEEP_BASE_FREQ);
last_rssi = message.rssi;
tone_gen.configure(tone_delta, 1.0, ToneGen::tone_type::square);
tone_gen.configure(freq, 1.0, ToneGen::tone_type::sine, AUDIO_SAMPLE_RATE);
}
int main() {

8
firmware/baseband/proc_sonde.hpp
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@ -98,11 +98,13 @@
#include <bitset>
#define BEEP_MIN_DURATION 80
#define BEEP_DURATION_RANGE 150
#define BEEP_MIN_DURATION 60
#define BEEP_DURATION_RANGE 100
#define BEEP_BASE_FREQ 200
#define RSSI_CEILING 1000
#define PROPORTIONAL_BEEP_THRES 0.8
#define RSSI_PITCH_WEIGHT 0.7
#define RSSI_PITCH_WEIGHT 0.5
#define AUDIO_SAMPLE_RATE 24000
class SondeProcessor : public BasebandProcessor {
public:

13
firmware/baseband/tone_gen.cpp
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@ -24,8 +24,8 @@
#include "sine_table_int8.hpp"
int32_t ToneGen::tone_from_sine_table() {
int32_t tone_sample = sine_table_i8[(tone_phase_ & 0xFF000000U) >> 24] << 24;
int32_t ToneGen::tone_sine() {
int32_t tone_sample = sine_table_i8[tone_phase_] * 0x1000000;
tone_phase_ += delta_;
return tone_sample;
@ -47,14 +47,15 @@ int32_t ToneGen::tone_square() {
}
void ToneGen::configure(const uint32_t delta, const float tone_mix_weight) {
delta_ = delta;
delta_ = (uint8_t) ((delta & 0xFF000000U) >> 24);
tone_mix_weight_ = tone_mix_weight;
input_mix_weight_ = 1.0 - tone_mix_weight;
current_tone_type_ = sine;
}
void ToneGen::configure(const uint32_t delta, const float tone_mix_weight, const tone_type tone_type) {
delta_ = delta;
void ToneGen::configure(const uint32_t freq, const float tone_mix_weight, const tone_type tone_type, const uint32_t sample_rate) {
delta_ = (uint8_t) ((freq * sizeof(sine_table_i8)) / sample_rate);
tone_mix_weight_ = tone_mix_weight;
input_mix_weight_ = 1.0 - tone_mix_weight;
current_tone_type_ = tone_type;
@ -67,7 +68,7 @@ int32_t ToneGen::process(const int32_t sample_in) {
int32_t tone_sample = 0;
if(current_tone_type_ == sine) {
tone_sample = tone_from_sine_table();
tone_sample = tone_sine();
}
else if(current_tone_type_ == square) {
tone_sample = tone_square();

16
firmware/baseband/tone_gen.hpp
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@ -25,9 +25,6 @@
#include <cstdint>
#include <cstddef>
#include <bitset>
static const std::bitset<2048> wave_bits (0xFFFFFF);
class ToneGen {
public:
@ -38,23 +35,24 @@ public:
{};*/
void configure(const uint32_t delta, const float tone_mix_weight);
void configure(const uint32_t delta, const float tone_mix_weight, const tone_type tone_type);
void configure(const uint32_t freq, const float tone_mix_weight, const tone_type tone_type, const uint32_t sample_rate);
int32_t process(const int32_t sample_in);
private:
tone_type current_tone_type_ { sine };
//size_t sample_rate_;
float input_mix_weight_ { 1 };
float tone_mix_weight_ { 0 };
uint32_t delta_ { 0 };
uint32_t tone_phase_ { 0 };
uint8_t delta_ { 0 };
uint8_t tone_phase_ { 0 };
/**
* Generator function for sine waves:
* Generator function which selects every other sample from the reference sine waveform to the output sample:
*/
int32_t tone_from_sine_table();
int32_t tone_sine();
/**
* Generator function for square waves: