mayhem-firmware/firmware/application/apps/capture_app.cpp
Mark Thompson 8ce48dbcf6
Interim Capture hang workaround (#1287)
* Temporary hang workaround

* Clang found a trailing space in a comment :-)
2023-07-20 23:04:54 +02:00

112 lines
4.0 KiB
C++

/*
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2018 Furrtek
*
* 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 "capture_app.hpp"
#include "baseband_api.hpp"
#include "portapack.hpp"
#include "ui_freqman.hpp"
using namespace portapack;
namespace ui {
CaptureAppView::CaptureAppView(NavigationView& nav)
: nav_{nav} {
freqman_set_bandwidth_option(SPEC_MODULATION, option_bandwidth);
baseband::run_image(portapack::spi_flash::image_tag_capture);
add_children({
&labels,
&rssi,
&channel,
&field_frequency,
&field_frequency_step,
&field_rf_amp,
&field_lna,
&field_vga,
&option_bandwidth,
&record_view,
&waterfall,
});
/* THE ONE LINE BELOW IS A TEMPORARY KLUDGE WORKAROUND FOR A MYSTERY M4 BASEBAND HANG ISSUE WHEN THE CAPTURE
APP IS THE FIRST APP STARTED AFTER POWER-UP, OR THE CAPTURE APP IS RUN AFTER RUNNING REPLAY WITH A HIGH
SAMPLE RATE. IT SHOULD NOT BE NECESSARY SINCE sampling_rate IS ALREADY INITIALIZED BY RADIOSTATE BUT
APPARENTLY IS ADDING JUST THE RIGHT AMOUNT OF DELAY. ISSUE DOES NOT AFFECT ALL PORTAPACK UNITS.
INVESTIGATION IS ONGOING, SEE ISSUE #1283. */
receiver_model.set_sampling_rate(3072000);
/* END MYSTERY HANG WORKAROUND. */
field_frequency_step.set_by_value(receiver_model.frequency_step());
field_frequency_step.on_change = [this](size_t, OptionsField::value_t v) {
receiver_model.set_frequency_step(v);
this->field_frequency.set_step(v);
};
option_bandwidth.on_change = [this](size_t, uint32_t base_rate) {
sampling_rate = 8 * base_rate; // Decimation by 8 done on baseband side
/* base_rate is used for FFT calculation and display LCD, and also in recording writing SD Card rate. */
/* ex. sampling_rate values, 4Mhz, when recording 500 kHz (BW) and fs 8 Mhz, when selected 1 Mhz BW ... */
/* ex. recording 500kHz BW to .C16 file, base_rate clock 500kHz x2(I,Q) x 2 bytes (int signed) =2MB/sec rate SD Card */
waterfall.on_hide();
/* Set up proper anti aliasing BPF bandwith in MAX2837 before ADC sampling according to the new added BW Options. */
auto anti_alias_baseband_bandwidth_filter = filter_bandwidth_for_sampling_rate(sampling_rate);
record_view.set_sampling_rate(sampling_rate);
receiver_model.set_sampling_rate(sampling_rate);
receiver_model.set_baseband_bandwidth(anti_alias_baseband_bandwidth_filter);
waterfall.on_show();
};
option_bandwidth.set_selected_index(7); // Preselected default option 500kHz.
receiver_model.enable();
record_view.on_error = [&nav](std::string message) {
nav.display_modal("Error", message);
};
}
CaptureAppView::~CaptureAppView() {
receiver_model.disable();
baseband::shutdown();
}
void CaptureAppView::on_hide() {
waterfall.on_hide();
View::on_hide();
}
void CaptureAppView::set_parent_rect(const Rect new_parent_rect) {
View::set_parent_rect(new_parent_rect);
ui::Rect waterfall_rect{0, header_height, new_parent_rect.width(), new_parent_rect.height() - header_height};
waterfall.set_parent_rect(waterfall_rect);
}
void CaptureAppView::focus() {
record_view.focus();
}
} /* namespace ui */