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Consolidate metadata file parsing (#1173)

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* Add metadata file helper and replace old code
* Finish updating metadata read/write
This commit is contained in:
Kyle Reed 2023-06-20 00:32:37 -07:00 • committed by GitHub
parent fa06df1400
commit 63b0093321
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 198 additions and 102 deletions
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67
firmware/application/apps/gps_sim_app.cpp
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@ -26,6 +26,7 @@
#include "ui_fileman.hpp"
#include "io_file.hpp"
#include "metadata_file.hpp"
#include "utility.hpp"
#include "baseband_api.hpp"
@ -33,6 +34,7 @@
#include "portapack_persistent_memory.hpp"
using namespace portapack;
namespace fs = std::filesystem;
namespace ui {
@ -40,51 +42,38 @@ void GpsSimAppView::set_ready() {
ready_signal = true;
}
void GpsSimAppView::on_file_changed(std::filesystem::path new_file_path) {
File data_file, info_file;
char file_data[257];
void GpsSimAppView::on_file_changed(const fs::path& new_file_path) {
file_path = fs::path(u"/") + new_file_path;
File::Size file_size{};
// Get file size
auto data_open_error = data_file.open("/" + new_file_path.string());
if (data_open_error.is_valid()) {
file_error();
return;
}
file_path = new_file_path;
// Get original record frequency if available
std::filesystem::path info_file_path = file_path;
info_file_path.replace_extension(u".TXT");
sample_rate = 500000;
auto info_open_error = info_file.open("/" + info_file_path.string());
if (!info_open_error.is_valid()) {
memset(file_data, 0, 257);
auto read_size = info_file.read(file_data, 256);
if (!read_size.is_error()) {
auto pos1 = strstr(file_data, "center_frequency=");
if (pos1) {
pos1 += 17;
field_frequency.set_value(strtoll(pos1, nullptr, 10));
}
auto pos2 = strstr(file_data, "sample_rate=");
if (pos2) {
pos2 += 12;
sample_rate = strtoll(pos2, nullptr, 10);
}
{ // Get the size of the data file.
File data_file;
auto error = data_file.open(file_path);
if (error) {
file_error();
return;
}
file_size = data_file.size();
}
// Get original record frequency if available.
auto metadata_path = get_metadata_path(file_path);
auto metadata = read_metadata_file(metadata_path);
if (metadata) {
field_frequency.set_value(metadata->center_frequency);
sample_rate = metadata->sample_rate;
} else {
sample_rate = 500000;
}
// UI Fixup.
text_sample_rate.set(unit_auto_scale(sample_rate, 3, 1) + "Hz");
auto file_size = data_file.size();
auto duration = ms_duration(file_size, sample_rate, 2);
progressbar.set_max(file_size / 1024);
text_filename.set(file_path.filename().string().substr(0, 12));
text_filename.set(truncate(file_path.filename().string(), 12));
auto duration = ms_duration(file_size, sample_rate, 2);
text_duration.set(to_string_time_ms(duration));
button_play.focus();