Files
libGravity/examples/Gravity/save_state.cpp

93 lines
3.1 KiB
C++

#include "save_state.h"
#include <EEPROM.h>
#include "app_state.h"
bool StateManager::initialize(AppState& app) {
if (isDataValid()) {
EepromData load_data;
EEPROM.get(sizeof(Metadata), load_data);
// Restore main app state
app.tempo = load_data.tempo;
app.selected_param = load_data.selected_param;
app.selected_channel = load_data.selected_channel;
app.selected_source = static_cast<Clock::Source>(load_data.selected_source);
// Loop through and restore each channel's state.
for (int i = 0; i < Gravity::OUTPUT_COUNT; i++) {
auto& ch = app.channel[i];
const auto& saved_ch_state = load_data.channel_data[i];
ch.setClockMod(saved_ch_state.base_clock_mod_index);
ch.setProbability(saved_ch_state.base_probability);
ch.setDutyCycle(saved_ch_state.base_duty_cycle);
ch.setOffset(saved_ch_state.base_offset);
ch.setCvSource(static_cast<CvSource>(saved_ch_state.cv_source));
ch.setCvDestination(static_cast<CvDestination>(saved_ch_state.cv_destination));
}
return true;
} else {
writeMetadata();
save(app); // Save the initial default state
return false;
}
}
void StateManager::save(const AppState& app) {
EepromData save_data;
// Populate main app state
save_data.tempo = app.tempo;
save_data.selected_param = app.selected_param;
save_data.selected_channel = app.selected_channel;
save_data.selected_source = static_cast<byte>(app.selected_source);
// Loop through and populate each channel's state
for (int i = 0; i < Gravity::OUTPUT_COUNT; i++) {
const auto& ch = app.channel[i];
auto& saved_ch_state = save_data.channel_data[i];
// Use the getters with 'withCvMod = false' to get the base values
saved_ch_state.base_clock_mod_index = ch.getClockModIndex(false);
saved_ch_state.base_probability = ch.getProbability(false);
saved_ch_state.base_duty_cycle = ch.getDutyCycle(false);
saved_ch_state.base_offset = ch.getOffset(false);
saved_ch_state.cv_source = static_cast<byte>(ch.getCvSource());
saved_ch_state.cv_destination = static_cast<byte>(ch.getCvDestination());
}
// Write the entire state struct to EEPROM
EEPROM.put(sizeof(Metadata), save_data);
}
void StateManager::reset(AppState& app) {
app.tempo = Clock::DEFAULT_TEMPO;
app.selected_param = 0;
app.selected_channel = 0;
app.selected_source = Clock::SOURCE_INTERNAL;
for (int i = 0; i < Gravity::OUTPUT_COUNT; i++) {
app.channel[i].Init();
}
writeMetadata();
save(app);
}
bool StateManager::isDataValid() {
Metadata load_meta;
EEPROM.get(0, load_meta);
bool nameMatch = (strcmp(load_meta.sketchName, CURRENT_SKETCH_NAME) == 0);
bool versionMatch = (load_meta.version == CURRENT_SKETCH_VERSION);
return nameMatch && versionMatch;
}
void StateManager::writeMetadata() {
Metadata save_meta;
strcpy(save_meta.sketchName, CURRENT_SKETCH_NAME);
save_meta.version = CURRENT_SKETCH_VERSION;
EEPROM.put(0, save_meta);
}