650 lines
22 KiB
C++
650 lines
22 KiB
C++
#pragma once
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#include "wled.h"
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#ifndef MULTI_RELAY_MAX_RELAYS
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#define MULTI_RELAY_MAX_RELAYS 4
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#endif
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#ifndef MULTI_RELAY_PINS
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#define MULTI_RELAY_PINS -1
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#endif
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#define WLED_DEBOUNCE_THRESHOLD 50 //only consider button input of at least 50ms as valid (debouncing)
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#define ON true
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#define OFF false
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/*
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* This usermod handles multiple relay outputs.
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* These outputs complement built-in relay output in a way that the activation can be delayed.
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* They can also activate/deactivate in reverse logic independently.
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*/
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typedef struct relay_t {
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int8_t pin;
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bool active;
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bool mode;
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bool state;
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bool external;
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uint16_t delay;
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int8_t button;
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} Relay;
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class MultiRelay : public Usermod {
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private:
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// array of relays
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Relay _relay[MULTI_RELAY_MAX_RELAYS];
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// switch timer start time
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uint32_t _switchTimerStart = 0;
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// old brightness
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bool _oldMode;
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// usermod enabled
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bool enabled = false; // needs to be configured (no default config)
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// status of initialisation
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bool initDone = false;
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bool HAautodiscovery = false;
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uint16_t periodicBroadcastSec = 60;
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unsigned long lastBroadcast = 0;
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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 _enabled[];
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static const char _relay_str[];
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static const char _delay_str[];
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static const char _activeHigh[];
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static const char _external[];
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static const char _button[];
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static const char _broadcast[];
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static const char _HAautodiscovery[];
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void publishMqtt(int relay) {
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//Check if MQTT Connected, otherwise it will crash the 8266
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if (WLED_MQTT_CONNECTED){
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char subuf[64];
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sprintf_P(subuf, PSTR("%s/relay/%d"), mqttDeviceTopic, relay);
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mqtt->publish(subuf, 0, false, _relay[relay].state ? "on" : "off");
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}
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}
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/**
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* switch off the strip if the delay has elapsed
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*/
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void handleOffTimer() {
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unsigned long now = millis();
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bool activeRelays = false;
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].active && _switchTimerStart > 0 && now - _switchTimerStart > (_relay[i].delay*1000)) {
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if (!_relay[i].external) toggleRelay(i);
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_relay[i].active = false;
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} else if (periodicBroadcastSec && now - lastBroadcast > (periodicBroadcastSec*1000)) {
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if (_relay[i].pin>=0) publishMqtt(i);
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}
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activeRelays = activeRelays || _relay[i].active;
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}
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if (!activeRelays) _switchTimerStart = 0;
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if (periodicBroadcastSec && now - lastBroadcast > (periodicBroadcastSec*1000)) lastBroadcast = now;
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}
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/**
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* HTTP API handler
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* borrowed from:
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* https://github.com/gsieben/WLED/blob/master/usermods/GeoGab-Relays/usermod_GeoGab.h
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*/
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#define GEOGABVERSION "0.1.3"
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void InitHtmlAPIHandle() { // https://github.com/me-no-dev/ESPAsyncWebServer
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DEBUG_PRINTLN(F("Relays: Initialize HTML API"));
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server.on("/relays", HTTP_GET, [this](AsyncWebServerRequest *request) {
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DEBUG_PRINTLN("Relays: HTML API");
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String janswer;
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String error = "";
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//int params = request->params();
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janswer = F("{\"NoOfRelays\":");
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janswer += String(MULTI_RELAY_MAX_RELAYS) + ",";
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if (getActiveRelayCount()) {
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// Commands
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if(request->hasParam("switch")) {
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/**** Switch ****/
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AsyncWebParameter* p = request->getParam("switch");
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// Get Values
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for (int i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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int value = getValue(p->value(), ',', i);
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if (value==-1) {
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error = F("There must be as many arguments as relays");
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} else {
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// Switch
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if (_relay[i].external) switchRelay(i, (bool)value);
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}
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}
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} else if(request->hasParam("toggle")) {
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/**** Toggle ****/
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AsyncWebParameter* p = request->getParam("toggle");
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// Get Values
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for (int i=0;i<MULTI_RELAY_MAX_RELAYS;i++) {
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int value = getValue(p->value(), ',', i);
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if (value==-1) {
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error = F("There must be as many arguments as relays");
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} else {
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// Toggle
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if (value && _relay[i].external) toggleRelay(i);
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}
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}
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} else {
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error = F("No valid command found");
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}
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} else {
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error = F("No active relays");
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}
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// Status response
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char sbuf[16];
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for (int i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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sprintf_P(sbuf, PSTR("\"%d\":%d,"), i, (_relay[i].pin<0 ? -1 : (int)_relay[i].state));
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janswer += sbuf;
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}
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janswer += F("\"error\":\"");
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janswer += error;
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janswer += F("\",");
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janswer += F("\"SW Version\":\"");
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janswer += String(GEOGABVERSION);
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janswer += F("\"}");
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request->send(200, "application/json", janswer);
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});
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}
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int getValue(String data, char separator, int index) {
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int found = 0;
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int strIndex[] = {0, -1};
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int maxIndex = data.length()-1;
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for(int i=0; i<=maxIndex && found<=index; i++){
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if(data.charAt(i)==separator || i==maxIndex){
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found++;
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strIndex[0] = strIndex[1]+1;
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strIndex[1] = (i == maxIndex) ? i+1 : i;
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}
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}
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return found>index ? data.substring(strIndex[0], strIndex[1]).toInt() : -1;
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}
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public:
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/**
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* constructor
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*/
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MultiRelay() {
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const int8_t defPins[] = {MULTI_RELAY_PINS};
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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_relay[i].pin = i<sizeof(defPins) ? defPins[i] : -1;
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_relay[i].delay = 0;
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_relay[i].mode = false;
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_relay[i].active = false;
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_relay[i].state = false;
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_relay[i].external = false;
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_relay[i].button = -1;
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}
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}
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/**
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* desctructor
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*/
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~MultiRelay() {}
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/**
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* Enable/Disable the usermod
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*/
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inline void enable(bool enable) { enabled = enable; }
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/**
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* Get usermod enabled/disabled state
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*/
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inline bool isEnabled() { return enabled; }
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/**
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* switch relay on/off
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*/
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void switchRelay(uint8_t relay, bool mode) {
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if (relay>=MULTI_RELAY_MAX_RELAYS || _relay[relay].pin<0) return;
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_relay[relay].state = mode;
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pinMode(_relay[relay].pin, OUTPUT);
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digitalWrite(_relay[relay].pin, mode ? !_relay[relay].mode : _relay[relay].mode);
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publishMqtt(relay);
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}
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/**
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* toggle relay
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*/
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inline void toggleRelay(uint8_t relay) {
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switchRelay(relay, !_relay[relay].state);
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}
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uint8_t getActiveRelayCount() {
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uint8_t count = 0;
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) if (_relay[i].pin>=0) count++;
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return count;
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}
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//Functions called by WLED
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/**
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* handling of MQTT message
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* topic only contains stripped topic (part after /wled/MAC)
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* topic should look like: /relay/X/command; where X is relay number, 0 based
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*/
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bool onMqttMessage(char* topic, char* payload) {
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if (strlen(topic) > 8 && strncmp_P(topic, PSTR("/relay/"), 7) == 0 && strncmp_P(topic+8, PSTR("/command"), 8) == 0) {
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uint8_t relay = strtoul(topic+7, NULL, 10);
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if (relay<MULTI_RELAY_MAX_RELAYS) {
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String action = payload;
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if (action == "on") {
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if (_relay[relay].external) switchRelay(relay, true);
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return true;
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} else if (action == "off") {
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if (_relay[relay].external) switchRelay(relay, false);
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return true;
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} else if (action == "toggle") {
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if (_relay[relay].external) toggleRelay(relay);
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return true;
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}
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}
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}
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return false;
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}
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/**
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* subscribe to MQTT topic for controlling relays
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*/
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void onMqttConnect(bool sessionPresent) {
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//(re)subscribe to required topics
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char subuf[64];
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if (mqttDeviceTopic[0] != 0) {
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strcpy(subuf, mqttDeviceTopic);
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strcat_P(subuf, PSTR("/relay/#"));
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mqtt->subscribe(subuf, 0);
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if (HAautodiscovery) publishHomeAssistantAutodiscovery();
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].pin<0) continue;
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publishMqtt(i); //publish current state
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}
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}
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}
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void publishHomeAssistantAutodiscovery() {
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for (uint8_t i = 0; i < MULTI_RELAY_MAX_RELAYS; i++) {
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char uid[24], json_str[1024], buf[128];
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size_t payload_size;
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sprintf_P(uid, PSTR("%s_sw%d"), escapedMac.c_str(), i);
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if (_relay[i].pin >= 0 && _relay[i].external) {
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StaticJsonDocument<1024> json;
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sprintf_P(buf, PSTR("%s Switch %d"), serverDescription, i); //max length: 33 + 8 + 3 = 44
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json[F("name")] = buf;
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sprintf_P(buf, PSTR("%s/relay/%d"), mqttDeviceTopic, i); //max length: 33 + 7 + 3 = 43
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json["~"] = buf;
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strcat_P(buf, PSTR("/command"));
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mqtt->subscribe(buf, 0);
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json[F("stat_t")] = "~";
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json[F("cmd_t")] = F("~/command");
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json[F("pl_off")] = F("off");
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json[F("pl_on")] = F("on");
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json[F("uniq_id")] = uid;
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strcpy(buf, mqttDeviceTopic); //max length: 33 + 7 = 40
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strcat_P(buf, PSTR("/status"));
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json[F("avty_t")] = buf;
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json[F("pl_avail")] = F("online");
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json[F("pl_not_avail")] = F("offline");
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//TODO: dev
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payload_size = serializeJson(json, json_str);
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} else {
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//Unpublish disabled or internal relays
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json_str[0] = 0;
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payload_size = 0;
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}
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sprintf_P(buf, PSTR("homeassistant/switch/%s/config"), uid);
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mqtt->publish(buf, 0, true, json_str, payload_size);
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}
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}
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/**
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* setup() is called once at boot. WiFi is not yet connected at this point.
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* You can use it to initialize variables, sensors or similar.
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*/
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void setup() {
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// pins retrieved from cfg.json (readFromConfig()) prior to running setup()
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].pin<0) continue;
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if (!pinManager.allocatePin(_relay[i].pin,true, PinOwner::UM_MultiRelay)) {
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_relay[i].pin = -1; // allocation failed
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} else {
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if (!_relay[i].external) _relay[i].state = !offMode;
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switchRelay(i, _relay[i].state);
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_relay[i].active = false;
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}
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}
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_oldMode = offMode;
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initDone = true;
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}
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/**
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* connected() is called every time the WiFi is (re)connected
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* Use it to initialize network interfaces
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*/
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void connected() {
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InitHtmlAPIHandle();
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}
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/**
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* loop() is called continuously. Here you can check for events, read sensors, etc.
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*/
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void loop() {
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yield();
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if (!enabled || strip.isUpdating()) return;
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static unsigned long lastUpdate = 0;
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if (millis() - lastUpdate < 100) return; // update only 10 times/s
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lastUpdate = millis();
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//set relay when LEDs turn on
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if (_oldMode != offMode) {
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_oldMode = offMode;
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_switchTimerStart = millis();
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].pin>=0 && !_relay[i].external) _relay[i].active = true;
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}
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}
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handleOffTimer();
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}
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/**
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* handleButton() can be used to override default button behaviour. Returning true
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* will prevent button working in a default way.
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* Replicating button.cpp
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*/
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bool handleButton(uint8_t b) {
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yield();
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if (!enabled
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|| buttonType[b] == BTN_TYPE_NONE
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|| buttonType[b] == BTN_TYPE_RESERVED
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|| buttonType[b] == BTN_TYPE_PIR_SENSOR
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|| buttonType[b] == BTN_TYPE_ANALOG
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|| buttonType[b] == BTN_TYPE_ANALOG_INVERTED) {
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return false;
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}
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bool handled = false;
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].button == b && _relay[i].external) {
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handled = true;
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}
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}
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if (!handled) return false;
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unsigned long now = millis();
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//button is not momentary, but switch. This is only suitable on pins whose on-boot state does not matter (NOT gpio0)
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if (buttonType[b] == BTN_TYPE_SWITCH) {
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//handleSwitch(b);
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if (buttonPressedBefore[b] != isButtonPressed(b)) {
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buttonPressedTime[b] = now;
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buttonPressedBefore[b] = !buttonPressedBefore[b];
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}
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if (buttonLongPressed[b] == buttonPressedBefore[b]) return handled;
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if (now - buttonPressedTime[b] > WLED_DEBOUNCE_THRESHOLD) { //fire edge event only after 50ms without change (debounce)
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].pin>=0 && _relay[i].button == b) {
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switchRelay(i, buttonPressedBefore[b]);
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buttonLongPressed[b] = buttonPressedBefore[b]; //save the last "long term" switch state
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}
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}
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}
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return handled;
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}
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//momentary button logic
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if (isButtonPressed(b)) { //pressed
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if (!buttonPressedBefore[b]) buttonPressedTime[b] = now;
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buttonPressedBefore[b] = true;
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if (now - buttonPressedTime[b] > 600) { //long press
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//longPressAction(b); //not exposed
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//handled = false; //use if you want to pass to default behaviour
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buttonLongPressed[b] = true;
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}
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} else if (!isButtonPressed(b) && buttonPressedBefore[b]) { //released
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long dur = now - buttonPressedTime[b];
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if (dur < WLED_DEBOUNCE_THRESHOLD) {
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buttonPressedBefore[b] = false;
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return handled;
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} //too short "press", debounce
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bool doublePress = buttonWaitTime[b]; //did we have short press before?
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buttonWaitTime[b] = 0;
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if (!buttonLongPressed[b]) { //short press
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// if this is second release within 350ms it is a double press (buttonWaitTime!=0)
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if (doublePress) {
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//doublePressAction(b); //not exposed
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//handled = false; //use if you want to pass to default behaviour
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} else {
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buttonWaitTime[b] = now;
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}
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}
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buttonPressedBefore[b] = false;
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buttonLongPressed[b] = false;
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}
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// if 350ms elapsed since last press/release it is a short press
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if (buttonWaitTime[b] && now - buttonWaitTime[b] > 350 && !buttonPressedBefore[b]) {
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buttonWaitTime[b] = 0;
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//shortPressAction(b); //not exposed
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].pin>=0 && _relay[i].button == b) {
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toggleRelay(i);
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}
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}
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}
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return handled;
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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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*/
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void addToJsonInfo(JsonObject &root) {
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if (enabled) {
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JsonObject user = root["u"];
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if (user.isNull())
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user = root.createNestedObject("u");
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JsonArray infoArr = user.createNestedArray(F("Number of relays")); //name
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infoArr.add(String(getActiveRelayCount()));
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String uiDomString;
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for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
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if (_relay[i].pin<0 || !_relay[i].external) continue;
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uiDomString = F("<button class=\"btn\" onclick=\"requestJson({");
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uiDomString += FPSTR(_name);
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uiDomString += F(":{");
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uiDomString += FPSTR(_relay_str);
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uiDomString += F(":");
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uiDomString += i;
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uiDomString += F(",on:");
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uiDomString += _relay[i].state ? "false" : "true";
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uiDomString += F("}});\">");
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uiDomString += F("Relay ");
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uiDomString += i;
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uiDomString += F(" <i class=\"icons\"></i></button>");
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JsonArray infoArr = user.createNestedArray(uiDomString); // timer value
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infoArr.add(_relay[i].state ? "on" : "off");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* addToJsonState() can be used to add custom entries to the /json/state part of the JSON API (state object).
|
|
* Values in the state object may be modified by connected clients
|
|
*/
|
|
void addToJsonState(JsonObject &root) {
|
|
if (!initDone || !enabled) return; // prevent crash on boot applyPreset()
|
|
JsonObject multiRelay = root[FPSTR(_name)];
|
|
if (multiRelay.isNull()) {
|
|
multiRelay = root.createNestedObject(FPSTR(_name));
|
|
}
|
|
#if MULTI_RELAY_MAX_RELAYS > 1
|
|
JsonArray rel_arr = multiRelay.createNestedArray(F("relays"));
|
|
for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
|
|
if (_relay[i].pin < 0) continue;
|
|
JsonObject relay = rel_arr.createNestedObject();
|
|
relay[FPSTR(_relay_str)] = i;
|
|
relay[F("state")] = _relay[i].state;
|
|
}
|
|
#else
|
|
multiRelay[FPSTR(_relay_str)] = 0;
|
|
multiRelay[F("state")] = _relay[0].state;
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* readFromJsonState() can be used to receive data clients send to the /json/state part of the JSON API (state object).
|
|
* Values in the state object may be modified by connected clients
|
|
*/
|
|
void readFromJsonState(JsonObject &root) {
|
|
if (!initDone || !enabled) return; // prevent crash on boot applyPreset()
|
|
JsonObject usermod = root[FPSTR(_name)];
|
|
if (!usermod.isNull()) {
|
|
if (usermod["on"].is<bool>() && usermod[FPSTR(_relay_str)].is<int>() && usermod[FPSTR(_relay_str)].as<int>()>=0) {
|
|
switchRelay(usermod[FPSTR(_relay_str)].as<int>(), usermod["on"].as<bool>());
|
|
}
|
|
} else if (root[FPSTR(_name)].is<JsonArray>()) {
|
|
JsonArray relays = root[FPSTR(_name)].as<JsonArray>();
|
|
for (JsonVariant r : relays) {
|
|
if (r["on"].is<bool>() && r[FPSTR(_relay_str)].is<int>() && r[FPSTR(_relay_str)].as<int>()>=0) {
|
|
switchRelay(r[FPSTR(_relay_str)].as<int>(), r["on"].as<bool>());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* provide the changeable values
|
|
*/
|
|
void addToConfig(JsonObject &root) {
|
|
JsonObject top = root.createNestedObject(FPSTR(_name));
|
|
|
|
top[FPSTR(_enabled)] = enabled;
|
|
top[FPSTR(_broadcast)] = periodicBroadcastSec;
|
|
for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
|
|
String parName = FPSTR(_relay_str); parName += '-'; parName += i;
|
|
JsonObject relay = top.createNestedObject(parName);
|
|
relay["pin"] = _relay[i].pin;
|
|
relay[FPSTR(_activeHigh)] = _relay[i].mode;
|
|
relay[FPSTR(_delay_str)] = _relay[i].delay;
|
|
relay[FPSTR(_external)] = _relay[i].external;
|
|
relay[FPSTR(_button)] = _relay[i].button;
|
|
}
|
|
top[FPSTR(_HAautodiscovery)] = HAautodiscovery;
|
|
DEBUG_PRINTLN(F("MultiRelay config saved."));
|
|
}
|
|
|
|
/**
|
|
* restore the changeable values
|
|
* readFromConfig() is called before setup() to populate properties from values stored in cfg.json
|
|
*
|
|
* The function should return true if configuration was successfully loaded or false if there was no configuration.
|
|
*/
|
|
bool readFromConfig(JsonObject &root) {
|
|
int8_t oldPin[MULTI_RELAY_MAX_RELAYS];
|
|
|
|
JsonObject top = root[FPSTR(_name)];
|
|
if (top.isNull()) {
|
|
DEBUG_PRINT(FPSTR(_name));
|
|
DEBUG_PRINTLN(F(": No config found. (Using defaults.)"));
|
|
return false;
|
|
}
|
|
|
|
enabled = top[FPSTR(_enabled)] | enabled;
|
|
periodicBroadcastSec = top[FPSTR(_broadcast)] | periodicBroadcastSec;
|
|
periodicBroadcastSec = min(900,max(0,(int)periodicBroadcastSec));
|
|
HAautodiscovery = top[FPSTR(_HAautodiscovery)] | HAautodiscovery;
|
|
|
|
for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
|
|
String parName = FPSTR(_relay_str); parName += '-'; parName += i;
|
|
oldPin[i] = _relay[i].pin;
|
|
_relay[i].pin = top[parName]["pin"] | _relay[i].pin;
|
|
_relay[i].mode = top[parName][FPSTR(_activeHigh)] | _relay[i].mode;
|
|
_relay[i].external = top[parName][FPSTR(_external)] | _relay[i].external;
|
|
_relay[i].delay = top[parName][FPSTR(_delay_str)] | _relay[i].delay;
|
|
_relay[i].button = top[parName][FPSTR(_button)] | _relay[i].button;
|
|
// begin backwards compatibility (beta) remove when 0.13 is released
|
|
parName += '-';
|
|
_relay[i].pin = top[parName+"pin"] | _relay[i].pin;
|
|
_relay[i].mode = top[parName+FPSTR(_activeHigh)] | _relay[i].mode;
|
|
_relay[i].external = top[parName+FPSTR(_external)] | _relay[i].external;
|
|
_relay[i].delay = top[parName+FPSTR(_delay_str)] | _relay[i].delay;
|
|
// end compatibility
|
|
_relay[i].delay = min(600,max(0,abs((int)_relay[i].delay))); // bounds checking max 10min
|
|
}
|
|
|
|
DEBUG_PRINT(FPSTR(_name));
|
|
if (!initDone) {
|
|
// reading config prior to setup()
|
|
DEBUG_PRINTLN(F(" config loaded."));
|
|
} else {
|
|
// deallocate all pins 1st
|
|
for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++)
|
|
if (oldPin[i]>=0) {
|
|
pinManager.deallocatePin(oldPin[i], PinOwner::UM_MultiRelay);
|
|
}
|
|
// allocate new pins
|
|
for (uint8_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
|
|
if (_relay[i].pin>=0 && pinManager.allocatePin(_relay[i].pin, true, PinOwner::UM_MultiRelay)) {
|
|
if (!_relay[i].external) {
|
|
_relay[i].state = !offMode;
|
|
switchRelay(i, _relay[i].state);
|
|
_oldMode = offMode;
|
|
}
|
|
} else {
|
|
_relay[i].pin = -1;
|
|
}
|
|
_relay[i].active = false;
|
|
}
|
|
DEBUG_PRINTLN(F(" config (re)loaded."));
|
|
}
|
|
// use "return !top["newestParameter"].isNull();" when updating Usermod with new features
|
|
return !top[FPSTR(_HAautodiscovery)].isNull();
|
|
}
|
|
|
|
/**
|
|
* getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
|
|
* This could be used in the future for the system to determine whether your usermod is installed.
|
|
*/
|
|
uint16_t getId()
|
|
{
|
|
return USERMOD_ID_MULTI_RELAY;
|
|
}
|
|
};
|
|
|
|
// strings to reduce flash memory usage (used more than twice)
|
|
const char MultiRelay::_name[] PROGMEM = "MultiRelay";
|
|
const char MultiRelay::_enabled[] PROGMEM = "enabled";
|
|
const char MultiRelay::_relay_str[] PROGMEM = "relay";
|
|
const char MultiRelay::_delay_str[] PROGMEM = "delay-s";
|
|
const char MultiRelay::_activeHigh[] PROGMEM = "active-high";
|
|
const char MultiRelay::_external[] PROGMEM = "external";
|
|
const char MultiRelay::_button[] PROGMEM = "button";
|
|
const char MultiRelay::_broadcast[] PROGMEM = "broadcast-sec";
|
|
const char MultiRelay::_HAautodiscovery[] PROGMEM = "HA-autodiscovery";
|