248 lines
9.4 KiB
C++
248 lines
9.4 KiB
C++
#pragma once
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#include "wled.h"
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// v2 Usermod to automatically save settings
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// to configurable preset after a change to any of
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//
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// * brightness
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// * effect speed
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// * effect intensity
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// * mode (effect)
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// * palette
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//
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// but it will wait for configurable number of seconds, a "settle"
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// period in case there are other changes (any change will
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// extend the "settle" window).
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//
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// It can be configured to load auto saved preset at startup,
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// during the first `loop()`.
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//
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// AutoSaveUsermod is standalone, but if FourLineDisplayUsermod
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// is installed, it will notify the user of the saved changes.
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// format: "~ MM-DD HH:MM:SS ~"
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#define PRESET_NAME_BUFFER_SIZE 25
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class AutoSaveUsermod : public Usermod {
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private:
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bool firstLoop = true;
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bool initDone = false;
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bool enabled = true;
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// configurable parameters
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unsigned long autoSaveAfterSec = 15; // 15s by default
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uint8_t autoSavePreset = 250; // last possible preset
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bool applyAutoSaveOnBoot = false; // do we load auto-saved preset on boot?
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// If we've detected the need to auto save, this will be non zero.
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unsigned long autoSaveAfter = 0;
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uint8_t knownBrightness = 0;
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uint8_t knownEffectSpeed = 0;
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uint8_t knownEffectIntensity = 0;
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uint8_t knownMode = 0;
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uint8_t knownPalette = 0;
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#ifdef USERMOD_FOUR_LINE_DISPLAY
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FourLineDisplayUsermod* display;
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#endif
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// strings to reduce flash memory usage (used more than twice)
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static const char _name[];
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static const char _autoSaveEnabled[];
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static const char _autoSaveAfterSec[];
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static const char _autoSavePreset[];
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static const char _autoSaveApplyOnBoot[];
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void inline saveSettings() {
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char presetNameBuffer[PRESET_NAME_BUFFER_SIZE];
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updateLocalTime();
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sprintf_P(presetNameBuffer,
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PSTR("~ %02d-%02d %02d:%02d:%02d ~"),
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month(localTime), day(localTime),
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hour(localTime), minute(localTime), second(localTime));
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savePreset(autoSavePreset, true, presetNameBuffer);
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}
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void inline displayOverlay() {
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#ifdef USERMOD_FOUR_LINE_DISPLAY
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if (display != nullptr) {
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display->wakeDisplay();
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display->overlay("Settings", "Auto Saved", 1500);
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}
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#endif
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}
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public:
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// gets called once at boot. Do all initialization that doesn't depend on
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// network here
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void setup() {
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#ifdef USERMOD_FOUR_LINE_DISPLAY
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// This Usermod has enhanced funcionality if
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// FourLineDisplayUsermod is available.
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display = (FourLineDisplayUsermod*) usermods.lookup(USERMOD_ID_FOUR_LINE_DISP);
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#endif
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initDone = true;
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}
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// gets called every time WiFi is (re-)connected. Initialize own network
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// interfaces here
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void connected() {}
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/*
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* Da loop.
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*/
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void loop() {
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if (!autoSaveAfterSec || !enabled || strip.isUpdating()) return; // setting 0 as autosave seconds disables autosave
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unsigned long now = millis();
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uint8_t currentMode = strip.getMode();
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uint8_t currentPalette = strip.getSegment(0).palette;
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if (firstLoop) {
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firstLoop = false;
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if (applyAutoSaveOnBoot) applyPreset(autoSavePreset);
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knownBrightness = bri;
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knownEffectSpeed = effectSpeed;
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knownEffectIntensity = effectIntensity;
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knownMode = currentMode;
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knownPalette = currentPalette;
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return;
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}
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unsigned long wouldAutoSaveAfter = now + autoSaveAfterSec*1000;
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if (knownBrightness != bri) {
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knownBrightness = bri;
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autoSaveAfter = wouldAutoSaveAfter;
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} else if (knownEffectSpeed != effectSpeed) {
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knownEffectSpeed = effectSpeed;
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autoSaveAfter = wouldAutoSaveAfter;
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} else if (knownEffectIntensity != effectIntensity) {
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knownEffectIntensity = effectIntensity;
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autoSaveAfter = wouldAutoSaveAfter;
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} else if (knownMode != currentMode) {
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knownMode = currentMode;
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autoSaveAfter = wouldAutoSaveAfter;
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} else if (knownPalette != currentPalette) {
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knownPalette = currentPalette;
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autoSaveAfter = wouldAutoSaveAfter;
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}
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if (autoSaveAfter && now > autoSaveAfter) {
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autoSaveAfter = 0;
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// Time to auto save. You may have some flickry?
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saveSettings();
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displayOverlay();
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}
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}
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/*
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* addToJsonInfo() can be used to add custom entries to the /json/info part of the JSON API.
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* Creating an "u" object allows you to add custom key/value pairs to the Info section of the WLED web UI.
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* Below it is shown how this could be used for e.g. a light sensor
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*/
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//void addToJsonInfo(JsonObject& root) {
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//JsonObject user = root["u"];
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//if (user.isNull()) user = root.createNestedObject("u");
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//JsonArray data = user.createNestedArray(F("Autosave"));
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//data.add(F("Loaded."));
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//}
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/*
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* addToJsonState() can be used to add custom entries to the /json/state part of the JSON API (state object).
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* Values in the state object may be modified by connected clients
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*/
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//void addToJsonState(JsonObject& root) {
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//}
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/*
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* readFromJsonState() can be used to receive data clients send to the /json/state part of the JSON API (state object).
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* Values in the state object may be modified by connected clients
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*/
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//void readFromJsonState(JsonObject& root) {
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// if (!initDone) return; // prevent crash on boot applyPreset()
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//}
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/*
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* addToConfig() can be used to add custom persistent settings to the cfg.json file in the "um" (usermod) object.
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* It will be called by WLED when settings are actually saved (for example, LED settings are saved)
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* If you want to force saving the current state, use serializeConfig() in your loop().
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*
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* CAUTION: serializeConfig() will initiate a filesystem write operation.
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* It might cause the LEDs to stutter and will cause flash wear if called too often.
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* Use it sparingly and always in the loop, never in network callbacks!
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*
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* addToConfig() will also not yet add your setting to one of the settings pages automatically.
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* To make that work you still have to add the setting to the HTML, xml.cpp and set.cpp manually.
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*
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* I highly recommend checking out the basics of ArduinoJson serialization and deserialization in order to use custom settings!
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*/
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void addToConfig(JsonObject& root) {
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// we add JSON object: {"Autosave": {"autoSaveAfterSec": 10, "autoSavePreset": 99}}
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JsonObject top = root.createNestedObject(FPSTR(_name)); // usermodname
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top[FPSTR(_autoSaveEnabled)] = enabled;
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top[FPSTR(_autoSaveAfterSec)] = autoSaveAfterSec; // usermodparam
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top[FPSTR(_autoSavePreset)] = autoSavePreset; // usermodparam
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top[FPSTR(_autoSaveApplyOnBoot)] = applyAutoSaveOnBoot;
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DEBUG_PRINTLN(F("Autosave config saved."));
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}
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/*
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* readFromConfig() can be used to read back the custom settings you added with addToConfig().
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* This is called by WLED when settings are loaded (currently this only happens once immediately after boot)
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*
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* readFromConfig() is called BEFORE setup(). This means you can use your persistent values in setup() (e.g. pin assignments, buffer sizes),
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* but also that if you want to write persistent values to a dynamic buffer, you'd need to allocate it here instead of in setup.
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* If you don't know what that is, don't fret. It most likely doesn't affect your use case :)
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*/
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bool readFromConfig(JsonObject& root) {
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// we look for JSON object: {"Autosave": {"autoSaveAfterSec": 10, "autoSavePreset": 99}}
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JsonObject top = root[FPSTR(_name)];
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if (top.isNull()) {
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DEBUG_PRINTLN(F("No config found. (Using defaults.)"));
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return false;
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}
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bool configComplete = true;
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if (top[FPSTR(_autoSaveEnabled)].is<bool>()) {
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// reading from cfg.json
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enabled = top[FPSTR(_autoSaveEnabled)].as<bool>();
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} else {
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// reading from POST message
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String str = top[FPSTR(_autoSaveEnabled)]; // checkbox -> off or on
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enabled = (bool)(str!="off"); // off is guaranteed to be present
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}
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autoSaveAfterSec = min(3600,max(10,top[FPSTR(_autoSaveAfterSec)].as<int>()));
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autoSavePreset = min(250,max(100,top[FPSTR(_autoSavePreset)].as<int>()));
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if (top[FPSTR(_autoSaveApplyOnBoot)].is<bool>()) {
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// reading from cfg.json
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applyAutoSaveOnBoot = top[FPSTR(_autoSaveApplyOnBoot)].as<bool>();
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} else {
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// reading from POST message
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String str = top[FPSTR(_autoSaveApplyOnBoot)]; // checkbox -> off or on
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applyAutoSaveOnBoot = (bool)(str!="off"); // off is guaranteed to be present
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}
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DEBUG_PRINTLN(F("Autosave config (re)loaded."));
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return true;
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}
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/*
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* getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
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* This could be used in the future for the system to determine whether your usermod is installed.
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*/
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uint16_t getId() {
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return USERMOD_ID_AUTO_SAVE;
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}
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};
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// strings to reduce flash memory usage (used more than twice)
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const char AutoSaveUsermod::_name[] PROGMEM = "Autosave";
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const char AutoSaveUsermod::_autoSaveEnabled[] PROGMEM = "enabled";
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const char AutoSaveUsermod::_autoSaveAfterSec[] PROGMEM = "autoSaveAfterSec";
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const char AutoSaveUsermod::_autoSavePreset[] PROGMEM = "autoSavePreset";
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const char AutoSaveUsermod::_autoSaveApplyOnBoot[] PROGMEM = "autoSaveApplyOnBoot";
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