TheArchive/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2025-08-21 05:57:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added support for multiple sample rates in IQ record

Browse Source 
Support for any sample rate <= 500k in IQ replay
Fixed bias-t power not activating in TX
Removed RSSI pitch output option (awful code)
Udated binary
This commit is contained in:
furrtek
2018-02-22 07:04:19 +00:00
parent 57c759627d
commit 7fd987a2b4
23 changed files with 193 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
firmware/baseband/proc_capture.cpp
View File

@@ -1,5 +1,6 @@
/*
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2018 Furrtek
*
* This file is part of PortaPack.
*
@@ -28,23 +29,9 @@
#include "utility.hpp"
CaptureProcessor::CaptureProcessor() {
const auto& decim_0_filter = taps_200k_decim_0;
constexpr size_t decim_0_input_fs = baseband_fs;
constexpr size_t decim_0_output_fs = decim_0_input_fs / decim_0.decimation_factor;
const auto& decim_1_filter = taps_200k_decim_1;
constexpr size_t decim_1_input_fs = decim_0_output_fs;
constexpr size_t decim_1_output_fs = decim_1_input_fs / decim_1.decimation_factor;
decim_0.configure(decim_0_filter.taps, 33554432);
decim_1.configure(decim_1_filter.taps, 131072);
channel_filter_pass_f = decim_1_filter.pass_frequency_normalized * decim_1_input_fs; // 162760.416666667
channel_filter_stop_f = decim_1_filter.stop_frequency_normalized * decim_1_input_fs; // 337239.583333333
spectrum_interval_samples = decim_1_output_fs / spectrum_rate_hz;
spectrum_samples = 0;
decim_0.configure(taps_200k_decim_0.taps, 33554432);
decim_1.configure(taps_200k_decim_1.taps, 131072);
channel_spectrum.set_decimation_factor(1);
}
@@ -76,6 +63,10 @@ void CaptureProcessor::on_message(const Message* const message) {
channel_spectrum.on_message(message);
break;
case Message::ID::SamplerateConfig:
samplerate_config(*reinterpret_cast<const SamplerateConfigMessage*>(message));
break;
case Message::ID::CaptureConfig:
capture_config(*reinterpret_cast<const CaptureConfigMessage*>(message));
break;
@@ -85,6 +76,22 @@ void CaptureProcessor::on_message(const Message* const message) {
}
}
void CaptureProcessor::samplerate_config(const SamplerateConfigMessage& message) {
baseband_fs = message.sample_rate;
baseband_thread.set_sampling_rate(baseband_fs);
size_t decim_0_output_fs = baseband_fs / decim_0.decimation_factor;
size_t decim_1_input_fs = decim_0_output_fs;
size_t decim_1_output_fs = decim_1_input_fs / decim_1.decimation_factor;
channel_filter_pass_f = taps_200k_decim_1.pass_frequency_normalized * decim_1_input_fs; // 162760.416666667
channel_filter_stop_f = taps_200k_decim_1.stop_frequency_normalized * decim_1_input_fs; // 337239.583333333
spectrum_interval_samples = decim_1_output_fs / spectrum_rate_hz;
spectrum_samples = 0;
}
void CaptureProcessor::capture_config(const CaptureConfigMessage& message) {
if( message.config ) {
stream = std::make_unique<StreamInput>(message.config);