portapack-mayhem/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2026-09-16 19:43:01 +00:00
Code Issues Packages Projects Releases 10 Wiki Activity

Fix LF/MF RX centering with adaptive FS4 tuning (#3319)

Browse Source 
* Fix LF/MF RX tuning with adaptive FS4 shift

* Enable adaptive FS4 tuning in Waterfall Designer
This commit is contained in:
Brumi-2021
2026-09-15 19:11:30 +02:00
committed by GitHub
parent b8ad44c431
commit b01b23981a
14 changed files with 191 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
firmware/baseband/proc_nfm_audio.hpp
+5
View File
@@ -35,6 +35,7 @@
#include "audio_output.hpp"
#include "filtered_spectrum_collector.hpp"
#include <atomic>
#include <cstdint>
#define Z_MIN_FILTER_COUNT 224
@@ -72,6 +73,10 @@ class NarrowbandFMAudio : public BasebandProcessor {
sizeof(tone) / sizeof(int16_t)};
dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0{};
std::array<int16_t, 24> decim_0_taps_{};
std::atomic<RxFs4Direction> requested_fs4_direction_{RxFs4Direction::Down};
RxFs4Direction applied_fs4_direction_{RxFs4Direction::Down};
void configure_fs4(const std::array<int16_t, 24>& taps);
dsp::decimate::FIRC16xR16x16Decim2 audio_decim_0{};
dsp::FrequencyTranslatingDecimator32By8 translating_decim_1{};
dsp::decimate::FIRAndDecimateComplex channel_filter{};