mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-16 21:18:11 +00:00
287 lines
6.7 KiB
C++
287 lines
6.7 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "receiver_model.hpp"
|
|
|
|
#include "baseband_api.hpp"
|
|
|
|
#include "portapack_persistent_memory.hpp"
|
|
using namespace portapack;
|
|
|
|
#include "radio.hpp"
|
|
#include "audio.hpp"
|
|
|
|
#include "dsp_fir_taps.hpp"
|
|
#include "dsp_iir.hpp"
|
|
#include "dsp_iir_config.hpp"
|
|
|
|
namespace {
|
|
|
|
static constexpr std::array<baseband::AMConfig, 3> am_configs { {
|
|
{ taps_6k0_dsb_channel, AMConfigureMessage::Modulation::DSB },
|
|
{ taps_2k8_usb_channel, AMConfigureMessage::Modulation::SSB },
|
|
{ taps_2k8_lsb_channel, AMConfigureMessage::Modulation::SSB },
|
|
} };
|
|
|
|
static constexpr std::array<baseband::NBFMConfig, 3> nbfm_configs { {
|
|
{ taps_4k25_decim_0, taps_4k25_decim_1, taps_4k25_channel, 2500 },
|
|
{ taps_11k0_decim_0, taps_11k0_decim_1, taps_11k0_channel, 2500 },
|
|
{ taps_16k0_decim_0, taps_16k0_decim_1, taps_16k0_channel, 5000 },
|
|
} };
|
|
|
|
static constexpr std::array<baseband::WFMConfig, 1> wfm_configs { {
|
|
{ },
|
|
} };
|
|
|
|
} /* namespace */
|
|
|
|
rf::Frequency ReceiverModel::tuning_frequency() const {
|
|
return persistent_memory::tuned_frequency();
|
|
}
|
|
|
|
void ReceiverModel::set_tuning_frequency(rf::Frequency f) {
|
|
persistent_memory::set_tuned_frequency(f);
|
|
update_tuning_frequency();
|
|
}
|
|
|
|
rf::Frequency ReceiverModel::frequency_step() const {
|
|
return frequency_step_;
|
|
}
|
|
|
|
void ReceiverModel::set_frequency_step(rf::Frequency f) {
|
|
frequency_step_ = f;
|
|
}
|
|
|
|
bool ReceiverModel::antenna_bias() const {
|
|
return antenna_bias_;
|
|
}
|
|
|
|
void ReceiverModel::set_antenna_bias(bool enabled) {
|
|
antenna_bias_ = enabled;
|
|
update_antenna_bias();
|
|
}
|
|
|
|
bool ReceiverModel::rf_amp() const {
|
|
return rf_amp_;
|
|
}
|
|
|
|
void ReceiverModel::set_rf_amp(bool enabled) {
|
|
rf_amp_ = enabled;
|
|
update_rf_amp();
|
|
}
|
|
|
|
int32_t ReceiverModel::lna() const {
|
|
return lna_gain_db_;
|
|
}
|
|
|
|
void ReceiverModel::set_lna(int32_t v_db) {
|
|
lna_gain_db_ = v_db;
|
|
update_lna();
|
|
}
|
|
|
|
uint32_t ReceiverModel::baseband_bandwidth() const {
|
|
return baseband_bandwidth_;
|
|
}
|
|
|
|
void ReceiverModel::set_baseband_bandwidth(uint32_t v) {
|
|
baseband_bandwidth_ = v;
|
|
update_baseband_bandwidth();
|
|
}
|
|
|
|
int32_t ReceiverModel::vga() const {
|
|
return vga_gain_db_;
|
|
}
|
|
|
|
void ReceiverModel::set_vga(int32_t v_db) {
|
|
vga_gain_db_ = v_db;
|
|
update_vga();
|
|
}
|
|
|
|
uint32_t ReceiverModel::sampling_rate() const {
|
|
return sampling_rate_;
|
|
}
|
|
|
|
void ReceiverModel::set_sampling_rate(uint32_t v) {
|
|
sampling_rate_ = v;
|
|
update_sampling_rate();
|
|
}
|
|
|
|
ReceiverModel::Mode ReceiverModel::modulation() const {
|
|
return mode_;
|
|
}
|
|
|
|
void ReceiverModel::set_modulation(const Mode v) {
|
|
mode_ = v;
|
|
update_modulation();
|
|
}
|
|
|
|
volume_t ReceiverModel::headphone_volume() const {
|
|
return headphone_volume_;
|
|
}
|
|
|
|
void ReceiverModel::set_headphone_volume(volume_t v) {
|
|
headphone_volume_ = v;
|
|
update_headphone_volume();
|
|
}
|
|
|
|
uint32_t ReceiverModel::baseband_oversampling() const {
|
|
// TODO: Rename decimation_factor.
|
|
return decimation_factor_;
|
|
}
|
|
|
|
void ReceiverModel::enable() {
|
|
enabled_ = true;
|
|
radio::set_direction(rf::Direction::Receive);
|
|
update_tuning_frequency();
|
|
update_antenna_bias();
|
|
update_rf_amp();
|
|
update_lna();
|
|
update_vga();
|
|
update_baseband_bandwidth();
|
|
update_sampling_rate();
|
|
update_modulation();
|
|
update_headphone_volume();
|
|
}
|
|
|
|
void ReceiverModel::disable() {
|
|
enabled_ = false;
|
|
update_antenna_bias();
|
|
|
|
// TODO: Responsibility for enabling/disabling the radio is muddy.
|
|
// Some happens in ReceiverModel, some inside radio namespace.
|
|
radio::disable();
|
|
}
|
|
|
|
int32_t ReceiverModel::tuning_offset() {
|
|
if( (modulation() == Mode::SpectrumAnalysis) ) {
|
|
return 0;
|
|
} else {
|
|
return -(sampling_rate() / 4);
|
|
}
|
|
}
|
|
|
|
void ReceiverModel::update_tuning_frequency() {
|
|
radio::set_tuning_frequency(persistent_memory::tuned_frequency() + tuning_offset());
|
|
}
|
|
|
|
void ReceiverModel::update_antenna_bias() {
|
|
radio::set_antenna_bias(antenna_bias_ && enabled_);
|
|
}
|
|
|
|
void ReceiverModel::update_rf_amp() {
|
|
radio::set_rf_amp(rf_amp_);
|
|
}
|
|
|
|
void ReceiverModel::update_lna() {
|
|
radio::set_lna_gain(lna_gain_db_);
|
|
}
|
|
|
|
void ReceiverModel::update_baseband_bandwidth() {
|
|
radio::set_baseband_filter_bandwidth(baseband_bandwidth_);
|
|
}
|
|
|
|
void ReceiverModel::update_vga() {
|
|
radio::set_vga_gain(vga_gain_db_);
|
|
}
|
|
|
|
void ReceiverModel::set_am_configuration(const size_t n) {
|
|
if( n < am_configs.size() ) {
|
|
am_config_index = n;
|
|
update_modulation();
|
|
}
|
|
}
|
|
|
|
void ReceiverModel::set_nbfm_configuration(const size_t n) {
|
|
if( n < nbfm_configs.size() ) {
|
|
nbfm_config_index = n;
|
|
update_modulation();
|
|
}
|
|
}
|
|
|
|
void ReceiverModel::set_wfm_configuration(const size_t n) {
|
|
if( n < wfm_configs.size() ) {
|
|
wfm_config_index = n;
|
|
update_modulation();
|
|
}
|
|
}
|
|
|
|
void ReceiverModel::update_sampling_rate() {
|
|
// TODO: Move more low-level radio control stuff to M4. It'll enable tighter
|
|
// synchronization for things like wideband (sweeping) spectrum analysis, and
|
|
// protocols that need quick RX/TX turn-around.
|
|
|
|
// Disabling baseband while changing sampling rates seems like a good idea...
|
|
radio::set_baseband_rate(sampling_rate() * baseband_oversampling());
|
|
update_tuning_frequency();
|
|
radio::set_baseband_decimation_by(baseband_oversampling());
|
|
}
|
|
|
|
void ReceiverModel::update_headphone_volume() {
|
|
// TODO: Manipulating audio codec here, and in ui_receiver.cpp. Good to do
|
|
// both?
|
|
|
|
audio::headphone::set_volume(headphone_volume_);
|
|
}
|
|
|
|
void ReceiverModel::update_modulation() {
|
|
switch(modulation()) {
|
|
default:
|
|
case Mode::AMAudio:
|
|
update_am_configuration();
|
|
break;
|
|
|
|
case Mode::NarrowbandFMAudio:
|
|
update_nbfm_configuration();
|
|
break;
|
|
|
|
case Mode::WidebandFMAudio:
|
|
update_wfm_configuration();
|
|
break;
|
|
|
|
case Mode::SpectrumAnalysis:
|
|
break;
|
|
}
|
|
}
|
|
|
|
size_t ReceiverModel::am_configuration() const {
|
|
return am_config_index;
|
|
}
|
|
|
|
void ReceiverModel::update_am_configuration() {
|
|
am_configs[am_config_index].apply();
|
|
}
|
|
|
|
size_t ReceiverModel::nbfm_configuration() const {
|
|
return nbfm_config_index;
|
|
}
|
|
|
|
void ReceiverModel::update_nbfm_configuration() {
|
|
nbfm_configs[nbfm_config_index].apply();
|
|
}
|
|
|
|
size_t ReceiverModel::wfm_configuration() const {
|
|
return wfm_config_index;
|
|
}
|
|
|
|
void ReceiverModel::update_wfm_configuration() {
|
|
wfm_configs[wfm_config_index].apply();
|
|
}
|