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mhsw-espurna/code/espurna/thermostat.cpp

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/*
THERMOSTAT MODULE
Copyright (C) 2017 by Dmitry Blinov <dblinov76 at gmail dot com>
*/
#include "thermostat.h"
#if THERMOSTAT_SUPPORT
#include "ntp.h"
#include "ntp_timelib.h"
#include "relay.h"
#include "sensor.h"
#include "mqtt.h"
#include "ws.h"
#include <ArduinoJson.h>
#if THERMOSTAT_DISPLAY_SUPPORT
// alias for `#include "SSD1306Wire.h"`
#include <SSD1306.h>
#endif
#include <limits>
#include <cmath>
#include <cfloat>
const char* NAME_THERMOSTAT_ENABLED = "thermostatEnabled";
const char* NAME_THERMOSTAT_MODE = "thermostatMode";
const char* NAME_TEMP_RANGE_MIN = "tempRangeMin";
const char* NAME_TEMP_RANGE_MAX = "tempRangeMax";
const char* NAME_REMOTE_SENSOR_NAME = "remoteSensorName";
const char* NAME_REMOTE_TEMP_MAX_WAIT = "remoteTempMaxWait";
const char* NAME_ALONE_ON_TIME = "aloneOnTime";
const char* NAME_ALONE_OFF_TIME = "aloneOffTime";
const char* NAME_MAX_ON_TIME = "maxOnTime";
const char* NAME_MIN_OFF_TIME = "minOffTime";
const char* NAME_BURN_TOTAL = "burnTotal";
const char* NAME_BURN_TODAY = "burnToday";
const char* NAME_BURN_YESTERDAY = "burnYesterday";
const char* NAME_BURN_THIS_MONTH = "burnThisMonth";
const char* NAME_BURN_PREV_MONTH = "burnPrevMonth";
const char* NAME_BURN_DAY = "burnDay";
const char* NAME_BURN_MONTH = "burnMonth";
const char* NAME_OPERATION_MODE = "thermostatOperationMode";
unsigned long _thermostat_remote_temp_max_wait = THERMOSTAT_REMOTE_TEMP_MAX_WAIT * MILLIS_IN_SEC;
unsigned long _thermostat_alone_on_time = THERMOSTAT_ALONE_ON_TIME * MILLIS_IN_MIN;
unsigned long _thermostat_alone_off_time = THERMOSTAT_ALONE_OFF_TIME * MILLIS_IN_MIN;
unsigned long _thermostat_max_on_time = THERMOSTAT_MAX_ON_TIME * MILLIS_IN_MIN;
unsigned long _thermostat_min_off_time = THERMOSTAT_MIN_OFF_TIME * MILLIS_IN_MIN;
unsigned int _thermostat_on_time_for_day = 0;
unsigned int _thermostat_burn_total = 0;
unsigned int _thermostat_burn_today = 0;
unsigned int _thermostat_burn_yesterday = 0;
unsigned int _thermostat_burn_this_month = 0;
unsigned int _thermostat_burn_prev_month = 0;
unsigned int _thermostat_burn_day = 0;
unsigned int _thermostat_burn_month = 0;
enum temperature_source_t {temp_none, temp_local, temp_remote};
struct thermostat_t {
unsigned long last_update = 0;
unsigned long last_switch = 0;
String remote_sensor_name;
unsigned int temperature_source = temp_none;
};
bool _thermostat_enabled = true;
bool _thermostat_mode_cooler = false;
temp_t _remote_temp;
temp_range_t _temp_range;
thermostat_t _thermostat;
enum thermostat_cycle_type {cooling, heating};
unsigned int _thermostat_cycle = heating;
String thermostat_remote_sensor_topic;
//------------------------------------------------------------------------------
const temp_t& thermostatRemoteTemp() {
return _remote_temp;
}
//------------------------------------------------------------------------------
const temp_range_t& thermostatRange() {
return _temp_range;
}
//------------------------------------------------------------------------------
void thermostatEnabled(bool enabled) {
_thermostat_enabled = enabled;
}
//------------------------------------------------------------------------------
bool thermostatEnabled() {
return _thermostat_enabled;
}
//------------------------------------------------------------------------------
void thermostatModeCooler(bool cooler) {
_thermostat_mode_cooler = cooler;
}
//------------------------------------------------------------------------------
bool thermostatModeCooler() {
return _thermostat_mode_cooler;
}
//------------------------------------------------------------------------------
std::vector<thermostat_callback_f> _thermostat_callbacks;
void thermostatRegister(thermostat_callback_f callback) {
_thermostat_callbacks.push_back(callback);
}
//------------------------------------------------------------------------------
void updateRemoteTemp(bool remote_temp_actual) {
#if WEB_SUPPORT
char tmp_str[16];
if (remote_temp_actual) {
dtostrf(_remote_temp.temp, 1, 1, tmp_str);
} else {
strcpy(tmp_str, "\"?\"");
}
char buffer[128];
snprintf_P(buffer, sizeof(buffer), PSTR("{\"thermostatVisible\": 1, \"remoteTmp\": %s}"), tmp_str);
wsSend(buffer);
#endif
}
//------------------------------------------------------------------------------
void updateOperationMode() {
#if WEB_SUPPORT
String message(F("{\"thermostatVisible\": 1, \"thermostatOperationMode\": \""));
if (_thermostat.temperature_source == temp_remote) {
message += F("remote temperature");
updateRemoteTemp(true);
} else if (_thermostat.temperature_source == temp_local) {
message += F("local temperature");
updateRemoteTemp(false);
} else {
message += F("autonomous");
updateRemoteTemp(false);
}
message += F("\"}");
wsSend(message.c_str());
#endif
}
//------------------------------------------------------------------------------
// MQTT
//------------------------------------------------------------------------------
bool _thermostatMqttHeartbeat(heartbeat::Mask mask) {
if (mask & heartbeat::Report::Range) {
const auto& range = thermostatRange();
mqttSend(MQTT_TOPIC_HOLD_TEMP "_" MQTT_TOPIC_HOLD_TEMP_MIN, String(range.min).c_str());
mqttSend(MQTT_TOPIC_HOLD_TEMP "_" MQTT_TOPIC_HOLD_TEMP_MAX, String(range.max).c_str());
}
if (mask & heartbeat::Report::RemoteTemp) {
const auto& remote_temp = thermostatRemoteTemp();
char buffer[16];
dtostrf(remote_temp.temp, 1, 1, buffer);
mqttSend(MQTT_TOPIC_REMOTE_TEMP, buffer);
}
return mqttConnected();
}
void thermostatMqttCallback(unsigned int type, const char * topic, const char * payload) {
if (type == MQTT_CONNECT_EVENT) {
mqttSubscribeRaw(thermostat_remote_sensor_topic.c_str());
mqttSubscribe(MQTT_TOPIC_HOLD_TEMP);
}
if (type == MQTT_MESSAGE_EVENT) {
// Match topic
String t = mqttMagnitude((char *) topic);
if (strcmp(topic, thermostat_remote_sensor_topic.c_str()) != 0
&& !t.equals(MQTT_TOPIC_HOLD_TEMP))
return;
// Parse JSON input
DynamicJsonBuffer jsonBuffer;
JsonObject& root = jsonBuffer.parseObject(payload);
if (!root.success()) {
DEBUG_MSG_P(PSTR("[THERMOSTAT] Error parsing data\n"));
return;
}
// Check rempte sensor temperature
if (strcmp(topic, thermostat_remote_sensor_topic.c_str()) == 0) {
if (root.containsKey(magnitudeTopic(MAGNITUDE_TEMPERATURE))) {
String remote_temp = root[magnitudeTopic(MAGNITUDE_TEMPERATURE)];
_remote_temp.temp = remote_temp.toFloat();
_remote_temp.last_update = millis();
_remote_temp.need_display_update = true;
DEBUG_MSG_P(PSTR("[THERMOSTAT] Remote sensor temperature: %s\n"), remote_temp.c_str());
updateRemoteTemp(true);
}
}
// Check temperature range change
if (t.equals(MQTT_TOPIC_HOLD_TEMP)) {
if (root.containsKey(MQTT_TOPIC_HOLD_TEMP_MIN)) {
int t_min = root[MQTT_TOPIC_HOLD_TEMP_MIN];
int t_max = root[MQTT_TOPIC_HOLD_TEMP_MAX];
if (t_min < THERMOSTAT_TEMP_RANGE_MIN_MIN || t_min > THERMOSTAT_TEMP_RANGE_MIN_MAX ||
t_max < THERMOSTAT_TEMP_RANGE_MAX_MIN || t_max > THERMOSTAT_TEMP_RANGE_MAX_MAX) {
DEBUG_MSG_P(PSTR("[THERMOSTAT] Hold temperature range error\n"));
return;
}
_temp_range.min = root[MQTT_TOPIC_HOLD_TEMP_MIN];
_temp_range.max = root[MQTT_TOPIC_HOLD_TEMP_MAX];
setSetting(NAME_TEMP_RANGE_MIN, _temp_range.min);
setSetting(NAME_TEMP_RANGE_MAX, _temp_range.max);
saveSettings();
_temp_range.ask_interval = ASK_TEMP_RANGE_INTERVAL_REGULAR;
_temp_range.last_update = millis();
_temp_range.need_display_update = true;
DEBUG_MSG_P(PSTR("[THERMOSTAT] Hold temperature range: (%d - %d)\n"), _temp_range.min, _temp_range.max);
// Update websocket clients
#if WEB_SUPPORT
char buffer[100];
snprintf_P(buffer, sizeof(buffer), PSTR("{\"thermostatVisible\": 1, \"tempRangeMin\": %d, \"tempRangeMax\": %d}"), _temp_range.min, _temp_range.max);
wsSend(buffer);
#endif
} else {
DEBUG_MSG_P(PSTR("[THERMOSTAT] Error temperature range data\n"));
}
}
}
}
//------------------------------------------------------------------------------
void notifyRangeChanged(bool min) {
DEBUG_MSG_P(PSTR("[THERMOSTAT] notifyRangeChanged %s = %d\n"), min ? "MIN" : "MAX", min ? _temp_range.min : _temp_range.max);
char tmp_str[6];
sprintf(tmp_str, "%d", min ? _temp_range.min : _temp_range.max);
mqttSend(min ? MQTT_TOPIC_NOTIFY_TEMP_RANGE_MIN : MQTT_TOPIC_NOTIFY_TEMP_RANGE_MAX, tmp_str, true);
}
//------------------------------------------------------------------------------
// Setup
//------------------------------------------------------------------------------
void commonSetup() {
_thermostat_enabled = getSetting(NAME_THERMOSTAT_ENABLED, THERMOSTAT_ENABLED_BY_DEFAULT);
DEBUG_MSG_P(PSTR("[THERMOSTAT] _thermostat_enabled = %d\n"), _thermostat_enabled);
_thermostat_mode_cooler = getSetting(NAME_THERMOSTAT_MODE, THERMOSTAT_MODE_COOLER_BY_DEFAULT);
DEBUG_MSG_P(PSTR("[THERMOSTAT] _thermostat_mode_cooler = %d\n"), _thermostat_mode_cooler);
_temp_range.min = getSetting(NAME_TEMP_RANGE_MIN, THERMOSTAT_TEMP_RANGE_MIN);
_temp_range.max = getSetting(NAME_TEMP_RANGE_MAX, THERMOSTAT_TEMP_RANGE_MAX);
DEBUG_MSG_P(PSTR("[THERMOSTAT] _temp_range.min = %d\n"), _temp_range.min);
DEBUG_MSG_P(PSTR("[THERMOSTAT] _temp_range.max = %d\n"), _temp_range.max);
_thermostat.remote_sensor_name = getSetting(NAME_REMOTE_SENSOR_NAME, THERMOSTAT_REMOTE_SENSOR_NAME);
thermostat_remote_sensor_topic = _thermostat.remote_sensor_name + String("/") + String(MQTT_TOPIC_JSON);
_thermostat_remote_temp_max_wait = getSetting(NAME_REMOTE_TEMP_MAX_WAIT, THERMOSTAT_REMOTE_TEMP_MAX_WAIT) * MILLIS_IN_SEC;
_thermostat_alone_on_time = getSetting(NAME_ALONE_ON_TIME, THERMOSTAT_ALONE_ON_TIME) * MILLIS_IN_MIN;
_thermostat_alone_off_time = getSetting(NAME_ALONE_OFF_TIME, THERMOSTAT_ALONE_OFF_TIME) * MILLIS_IN_MIN;
_thermostat_max_on_time = getSetting(NAME_MAX_ON_TIME, THERMOSTAT_MAX_ON_TIME) * MILLIS_IN_MIN;
_thermostat_min_off_time = getSetting(NAME_MIN_OFF_TIME, THERMOSTAT_MIN_OFF_TIME) * MILLIS_IN_MIN;
}
//------------------------------------------------------------------------------
void _thermostatReload() {
int prev_temp_range_min = _temp_range.min;
int prev_temp_range_max = _temp_range.max;
commonSetup();
if (_temp_range.min != prev_temp_range_min)
notifyRangeChanged(true);
if (_temp_range.max != prev_temp_range_max)
notifyRangeChanged(false);
}
//------------------------------------------------------------------------------
void sendTempRangeRequest() {
DEBUG_MSG_P(PSTR("[THERMOSTAT] sendTempRangeRequest\n"));
mqttSend(MQTT_TOPIC_ASK_TEMP_RANGE, "", true);
}
//------------------------------------------------------------------------------
void setThermostatState(bool state) {
DEBUG_MSG_P(PSTR("[THERMOSTAT] setThermostatState: %s\n"), state ? "ON" : "OFF");
relayStatus(THERMOSTAT_RELAY, state, mqttForward(), false);
_thermostat.last_switch = millis();
// Send thermostat change state event to subscribers
for (unsigned char i = 0; i < _thermostat_callbacks.size(); i++) {
(_thermostat_callbacks[i])(state);
}
}
//------------------------------------------------------------------------------
void debugPrintSwitch(bool state, double temp) {
char tmp_str[16];
dtostrf(temp, 1, 1, tmp_str);
DEBUG_MSG_P(PSTR("[THERMOSTAT] switch %s, temp: %s, min: %d, max: %d, mode: %s, relay: %s, last switch %d\n"),
state ? "ON" : "OFF", tmp_str, _temp_range.min, _temp_range.max, _thermostat_mode_cooler ? "COOLER" : "HEATER", relayStatus(THERMOSTAT_RELAY) ? "ON" : "OFF", millis() - _thermostat.last_switch);
}
//------------------------------------------------------------------------------
inline bool lastSwitchEarlierThan(unsigned int comparing_time) {
return millis() - _thermostat.last_switch > comparing_time;
}
//------------------------------------------------------------------------------
inline void switchThermostat(bool state, double temp) {
debugPrintSwitch(state, temp);
setThermostatState(state);
}
//------------------------------------------------------------------------------
//----------- Main function that make decision ---------------------------------
//------------------------------------------------------------------------------
void checkTempAndAdjustRelay(double temp) {
if (_thermostat_mode_cooler == false) { // Main operation mode. Thermostat is HEATER.
// if thermostat switched ON and t > max - switch it OFF and start cooling
if (relayStatus(THERMOSTAT_RELAY) && temp > _temp_range.max) {
_thermostat_cycle = cooling;
switchThermostat(false, temp);
// if thermostat switched ON for max time - switch it OFF for rest
} else if (relayStatus(THERMOSTAT_RELAY) && lastSwitchEarlierThan(_thermostat_max_on_time)) {
switchThermostat(false, temp);
// if t < min and thermostat switched OFF for at least minimum time - switch it ON and start
} else if (!relayStatus(THERMOSTAT_RELAY) && temp < _temp_range.min
&& (_thermostat.last_switch == 0 || lastSwitchEarlierThan(_thermostat_min_off_time))) {
_thermostat_cycle = heating;
switchThermostat(true, temp);
// if heating cycle and thermostat switchaed OFF for more than min time - switch it ON
// continue heating cycle
} else if (!relayStatus(THERMOSTAT_RELAY) && _thermostat_cycle == heating
&& lastSwitchEarlierThan(_thermostat_min_off_time)) {
switchThermostat(true, temp);
}
} else { // Thermostat is COOLER. Inverse logic.
// if thermostat switched ON and t < min - switch it OFF and start heating
if (relayStatus(THERMOSTAT_RELAY) && temp < _temp_range.min) {
_thermostat_cycle = heating;
switchThermostat(false, temp);
// if thermostat switched ON for max time - switch it OFF for rest
} else if (relayStatus(THERMOSTAT_RELAY) && lastSwitchEarlierThan(_thermostat_max_on_time)) {
switchThermostat(false, temp);
// if t > max and thermostat switched OFF for at least minimum time - switch it ON and start
} else if (!relayStatus(THERMOSTAT_RELAY) && temp > _temp_range.max
&& (_thermostat.last_switch == 0 || lastSwitchEarlierThan(_thermostat_min_off_time))) {
_thermostat_cycle = cooling;
switchThermostat(true, temp);
// if cooling cycle and thermostat switchaed OFF for more than min time - switch it ON
// continue cooling cycle
} else if (!relayStatus(THERMOSTAT_RELAY) && _thermostat_cycle == cooling
&& lastSwitchEarlierThan(_thermostat_min_off_time)) {
switchThermostat(true, temp);
}
}
}
//------------------------------------------------------------------------------
void updateCounters() {
if (relayStatus(THERMOSTAT_RELAY)) {
setSetting(NAME_BURN_TOTAL, ++_thermostat_burn_total);
setSetting(NAME_BURN_TODAY, ++_thermostat_burn_today);
setSetting(NAME_BURN_THIS_MONTH, ++_thermostat_burn_this_month);
}
if (ntpSynced()) {
const auto ts = now();
unsigned int now_day = day(ts);
unsigned int now_month = month(ts);
if (now_day != _thermostat_burn_day) {
_thermostat_burn_yesterday = _thermostat_burn_today;
_thermostat_burn_today = 0;
_thermostat_burn_day = now_day;
setSetting(NAME_BURN_YESTERDAY, _thermostat_burn_yesterday);
setSetting(NAME_BURN_TODAY, _thermostat_burn_today);
setSetting(NAME_BURN_DAY, _thermostat_burn_day);
}
if (now_month != _thermostat_burn_month) {
_thermostat_burn_prev_month = _thermostat_burn_this_month;
_thermostat_burn_this_month = 0;
_thermostat_burn_month = now_month;
setSetting(NAME_BURN_PREV_MONTH, _thermostat_burn_prev_month);
setSetting(NAME_BURN_THIS_MONTH, _thermostat_burn_this_month);
setSetting(NAME_BURN_MONTH, _thermostat_burn_month);
}
}
}
//------------------------------------------------------------------------------
double _getLocalValue(const char* description, unsigned char type) {
#if SENSOR_SUPPORT
for (unsigned char index = 0; index < magnitudeCount(); ++index) {
if (magnitudeType(index) != type) continue;
auto value = magnitudeValue(index);
char tmp_str[16];
magnitudeFormat(value, tmp_str, sizeof(tmp_str));
DEBUG_MSG_P(PSTR("[THERMOSTAT] %s: %s\n"), description, tmp_str);
return value.get();
}
#endif
return std::numeric_limits<double>::quiet_NaN();
}
double getLocalTemperature() {
return _getLocalValue("getLocalTemperature", MAGNITUDE_TEMPERATURE);
}
double getLocalHumidity() {
return _getLocalValue("getLocalHumidity", MAGNITUDE_HUMIDITY);
}
//------------------------------------------------------------------------------
// Loop
//------------------------------------------------------------------------------
void thermostatLoop(void) {
if (!thermostatEnabled())
return;
// Update temperature range
if (mqttConnected()) {
if (millis() - _temp_range.ask_time > _temp_range.ask_interval) {
_temp_range.ask_time = millis();
sendTempRangeRequest();
}
}
// Update thermostat state
if (millis() - _thermostat.last_update > THERMOSTAT_STATE_UPDATE_INTERVAL) {
_thermostat.last_update = millis();
updateCounters();
unsigned int last_temp_src = _thermostat.temperature_source;
if (_remote_temp.last_update != 0 && millis() - _remote_temp.last_update < _thermostat_remote_temp_max_wait) {
// we have remote temp
_thermostat.temperature_source = temp_remote;
DEBUG_MSG_P(PSTR("[THERMOSTAT] setup thermostat by remote temperature\n"));
checkTempAndAdjustRelay(_remote_temp.temp);
} else if (!std::isnan(getLocalTemperature())) {
// we have local temp
_thermostat.temperature_source = temp_local;
DEBUG_MSG_P(PSTR("[THERMOSTAT] setup thermostat by local temperature\n"));
checkTempAndAdjustRelay(getLocalTemperature());
// updateRemoteTemp(false);
} else {
// we don't have any temp - switch thermostat on for N minutes every hour
_thermostat.temperature_source = temp_none;
DEBUG_MSG_P(PSTR("[THERMOSTAT] setup thermostat by timeout\n"));
if (relayStatus(THERMOSTAT_RELAY) && millis() - _thermostat.last_switch > _thermostat_alone_on_time) {
setThermostatState(false);
} else if (!relayStatus(THERMOSTAT_RELAY) && millis() - _thermostat.last_switch > _thermostat_alone_off_time) {
setThermostatState(false);
}
}
if (last_temp_src != _thermostat.temperature_source) {
updateOperationMode();
}
}
}
//------------------------------------------------------------------------------
String getBurnTimeStr(unsigned int burn_time) {
char burnTimeStr[24] = { 0 };
if (burn_time < 60) {
sprintf(burnTimeStr, "%d мин.", burn_time);
} else {
sprintf(burnTimeStr, "%d ч. %d мин.", (int)floor(burn_time / 60), (int)(burn_time % 60));
}
return String(burnTimeStr);
}
//------------------------------------------------------------------------------
void resetBurnCounters() {
DEBUG_MSG_P(PSTR("[THERMOSTAT] resetBurnCounters\n"));
setSetting(NAME_BURN_TOTAL, 0);
setSetting(NAME_BURN_TODAY, 0);
setSetting(NAME_BURN_YESTERDAY, 0);
setSetting(NAME_BURN_THIS_MONTH, 0);
setSetting(NAME_BURN_PREV_MONTH, 0);
_thermostat_burn_total = 0;
_thermostat_burn_today = 0;
_thermostat_burn_yesterday = 0;
_thermostat_burn_this_month = 0;
_thermostat_burn_prev_month = 0;
}
//#######################################################################
// ___ _ _
// | \ (_) ___ _ __ | | __ _ _ _
// | |) || |(_-<| '_ \| |/ _` || || |
// |___/ |_|/__/| .__/|_|\__,_| \_, |
// |_| |__/
//#######################################################################
#if THERMOSTAT_DISPLAY_SUPPORT
#define wifi_on_width 16
#define wifi_on_height 16
const char wifi_on_bits[] PROGMEM = {
0x00, 0x00, 0x0E, 0x00, 0x7E, 0x00, 0xFE, 0x01, 0xE0, 0x03, 0x80, 0x07,
0x02, 0x0F, 0x1E, 0x1E, 0x3E, 0x1C, 0x78, 0x38, 0xE0, 0x38, 0xC0, 0x31,
0xC6, 0x71, 0x8E, 0x71, 0x8E, 0x73, 0x00, 0x00, };
#define mqtt_width 16
#define mqtt_height 16
const char mqtt_bits[] PROGMEM = {
0x00, 0x00, 0x00, 0x08, 0x00, 0x18, 0x00, 0x38, 0xEA, 0x7F, 0xEA, 0x7F,
0x00, 0x38, 0x10, 0x18, 0x18, 0x08, 0x1C, 0x00, 0xFE, 0x57, 0xFE, 0x57,
0x1C, 0x00, 0x18, 0x00, 0x10, 0x00, 0x00, 0x00, };
#define remote_temp_width 16
#define remote_temp_height 16
const char remote_temp_bits[] PROGMEM = {
0x00, 0x00, 0xE0, 0x18, 0x10, 0x25, 0x10, 0x25, 0x90, 0x19, 0x50, 0x01,
0x50, 0x01, 0xD0, 0x01, 0x50, 0x01, 0x50, 0x01, 0xD0, 0x01, 0x50, 0x01,
0xE0, 0x00, 0xE0, 0x00, 0xE0, 0x00, 0x00, 0x00, };
#define server_width 16
#define server_height 16
const char server_bits[] PROGMEM = {
0x00, 0x00, 0xF8, 0x1F, 0xFC, 0x3F, 0x0C, 0x30, 0x0C, 0x30, 0x0C, 0x30,
0x0C, 0x30, 0x0C, 0x30, 0x0C, 0x30, 0xF8, 0x1F, 0xFC, 0x3F, 0xFE, 0x7F,
0x1E, 0x78, 0xFE, 0x7F, 0xFC, 0x3F, 0x00, 0x00, };
#define LOCAL_TEMP_UPDATE_INTERVAL 60000
#define LOCAL_HUM_UPDATE_INTERVAL 61000
SSD1306 display(0x3c, 1, 3);
unsigned long _local_temp_last_update = 0xFFFF;
unsigned long _local_hum_last_update = 0xFFFF;
unsigned long _thermostat_display_off_interval = THERMOSTAT_DISPLAY_OFF_INTERVAL * MILLIS_IN_SEC;
unsigned long _thermostat_display_on_time = millis();
bool _thermostat_display_is_on = true;
bool _display_wifi_status = true;
bool _display_mqtt_status = true;
bool _display_server_status = true;
bool _display_remote_temp_status = true;
bool _display_need_refresh = true;
bool _temp_range_need_update = true;
//------------------------------------------------------------------------------
void drawIco(int16_t x, int16_t y, const char *ico, bool on = true) {
display.drawIco16x16(x, y, ico, !on);
_display_need_refresh = true;
}
//------------------------------------------------------------------------------
void display_wifi_status(bool on) {
_display_wifi_status = on;
drawIco(0, 0, wifi_on_bits, on);
}
//------------------------------------------------------------------------------
void display_mqtt_status(bool on) {
_display_mqtt_status = on;
drawIco(17, 0, mqtt_bits, on);
}
//------------------------------------------------------------------------------
void display_server_status(bool on) {
_display_server_status = on;
drawIco(34, 0, server_bits, on);
}
//------------------------------------------------------------------------------
void display_remote_temp_status(bool on) {
_display_remote_temp_status = on;
drawIco(51, 0, remote_temp_bits, on);
}
//------------------------------------------------------------------------------
void display_temp_range() {
_temp_range.need_display_update = false;
display.setColor(BLACK);
display.fillRect(68, 0, 60, 16);
display.setColor(WHITE);
display.setTextAlignment(TEXT_ALIGN_RIGHT);
display.setFont(ArialMT_Plain_16);
String temp_range = String(_temp_range.min) + "°- " + String(_temp_range.max) + "°";
display.drawString(128, 0, temp_range);
_display_need_refresh = true;
}
//------------------------------------------------------------------------------
void display_remote_temp() {
_remote_temp.need_display_update = false;
display.setColor(BLACK);
display.fillRect(0, 16, 128, 16);
display.setColor(WHITE);
display.setFont(ArialMT_Plain_16);
display.setTextAlignment(TEXT_ALIGN_LEFT);
String temp_range_title = String("Remote t");
display.drawString(0, 16, temp_range_title);
String temp_range_vol = String("= ") + (_display_remote_temp_status ? String(_remote_temp.temp, 1) : String("?")) + "°";
display.drawString(75, 16, temp_range_vol);
_display_need_refresh = true;
}
//------------------------------------------------------------------------------
void display_local_temp() {
display.setColor(BLACK);
display.fillRect(0, 32, 128, 16);
display.setColor(WHITE);
display.setFont(ArialMT_Plain_16);
display.setTextAlignment(TEXT_ALIGN_LEFT);
String local_temp_title = String("Local t");
display.drawString(0, 32, local_temp_title);
String local_temp_vol = String("= ") + (!std::isnan(getLocalTemperature()) ? String(getLocalTemperature(), 1) : String("?")) + "°";
display.drawString(75, 32, local_temp_vol);
_display_need_refresh = true;
}
//------------------------------------------------------------------------------
void display_local_humidity() {
display.setColor(BLACK);
display.fillRect(0, 48, 128, 16);
display.setColor(WHITE);
display.setFont(ArialMT_Plain_16);
display.setTextAlignment(TEXT_ALIGN_LEFT);
String local_hum_title = String("Local h ");
display.drawString(0, 48, local_hum_title);
String local_hum_vol = String("= ") + (!std::isnan(getLocalHumidity()) ? String(getLocalHumidity(), 0) : String("?")) + "%";
display.drawString(75, 48, local_hum_vol);
_display_need_refresh = true;
}
//------------------------------------------------------------------------------
void displayOn() {
DEBUG_MSG_P(PSTR("[THERMOSTAT] Display is On.\n"));
_thermostat_display_on_time = millis();
_thermostat_display_is_on = true;
_display_need_refresh = true;
display_wifi_status(_display_wifi_status);
display_mqtt_status(_display_mqtt_status);
display_server_status(_display_server_status);
display_remote_temp_status(_display_remote_temp_status);
_temp_range.need_display_update = true;
_remote_temp.need_display_update = true;
display_local_temp();
display_local_humidity();
}
//------------------------------------------------------------------------------
// Setup
//------------------------------------------------------------------------------
void displaySetup() {
display.init();
display.flipScreenVertically();
displayOn();
espurnaRegisterLoop(displayLoop);
}
//------------------------------------------------------------------------------
void displayLoop() {
if (THERMOSTAT_DISPLAY_OFF_INTERVAL > 0 && millis() - _thermostat_display_on_time > _thermostat_display_off_interval) {
if (_thermostat_display_is_on) {
DEBUG_MSG_P(PSTR("[THERMOSTAT] Display Off by timeout\n"));
_thermostat_display_is_on = false;
display.resetDisplay();
}
return;
}
//------------------------------------------------------------------------------
// Indicators
//------------------------------------------------------------------------------
if (!_display_wifi_status) {
if (wifiConnected() && WiFi.getMode() != WIFI_AP)
display_wifi_status(true);
} else if (!wifiConnected() || WiFi.getMode() == WIFI_AP) {
display_wifi_status(false);
}
if (!_display_mqtt_status) {
if (mqttConnected())
display_mqtt_status(true);
} else if (!mqttConnected()) {
display_mqtt_status(false);
}
if (_temp_range.last_update != 0 && millis() - _temp_range.last_update < THERMOSTAT_SERVER_LOST_INTERVAL) {
if (!_display_server_status)
display_server_status(true);
} else if (_display_server_status) {
display_server_status(false);
}
if (_remote_temp.last_update != 0 && millis() - _remote_temp.last_update < _thermostat_remote_temp_max_wait) {
if (!_display_remote_temp_status)
display_remote_temp_status(true);
} else if (_display_remote_temp_status) {
display_remote_temp_status(false);
display_remote_temp();
}
//------------------------------------------------------------------------------
// Temp range
//------------------------------------------------------------------------------
if (_temp_range.need_display_update) {
display_temp_range();
}
//------------------------------------------------------------------------------
// Remote temp
//------------------------------------------------------------------------------
if (_remote_temp.need_display_update) {
display_remote_temp();
}
//------------------------------------------------------------------------------
// Local temp
//------------------------------------------------------------------------------
if (millis() - _local_temp_last_update > LOCAL_TEMP_UPDATE_INTERVAL) {
_local_temp_last_update = millis();
display_local_temp();
}
//------------------------------------------------------------------------------
// Local temp
//------------------------------------------------------------------------------
if (millis() - _local_hum_last_update > LOCAL_HUM_UPDATE_INTERVAL) {
_local_hum_last_update = millis();
display_local_humidity();
}
//------------------------------------------------------------------------------
// Display update
//------------------------------------------------------------------------------
if (_display_need_refresh) {
yield();
display.display();
_display_need_refresh = false;
}
}
#endif // THERMOSTAT_DISPLAY_SUPPORT
#if WEB_SUPPORT
//------------------------------------------------------------------------------
void _thermostatWebSocketOnConnected(JsonObject& root) {
root["thermostatEnabled"] = thermostatEnabled();
root["thermostatMode"] = thermostatModeCooler();
root["thermostatVisible"] = 1;
root[NAME_TEMP_RANGE_MIN] = _temp_range.min;
root[NAME_TEMP_RANGE_MAX] = _temp_range.max;
root[NAME_REMOTE_SENSOR_NAME] = _thermostat.remote_sensor_name;
root[NAME_REMOTE_TEMP_MAX_WAIT] = _thermostat_remote_temp_max_wait / MILLIS_IN_SEC;
root[NAME_MAX_ON_TIME] = _thermostat_max_on_time / MILLIS_IN_MIN;
root[NAME_MIN_OFF_TIME] = _thermostat_min_off_time / MILLIS_IN_MIN;
root[NAME_ALONE_ON_TIME] = _thermostat_alone_on_time / MILLIS_IN_MIN;
root[NAME_ALONE_OFF_TIME] = _thermostat_alone_off_time / MILLIS_IN_MIN;
root[NAME_BURN_TODAY] = _thermostat_burn_today;
root[NAME_BURN_YESTERDAY] = _thermostat_burn_yesterday;
root[NAME_BURN_THIS_MONTH] = _thermostat_burn_this_month;
root[NAME_BURN_PREV_MONTH] = _thermostat_burn_prev_month;
root[NAME_BURN_TOTAL] = _thermostat_burn_total;
if (_thermostat.temperature_source == temp_remote) {
root[NAME_OPERATION_MODE] = "remote temperature";
root["remoteTmp"] = _remote_temp.temp;
} else if (_thermostat.temperature_source == temp_local) {
root[NAME_OPERATION_MODE] = "local temperature";
root["remoteTmp"] = "?";
} else {
root[NAME_OPERATION_MODE] = "autonomous";
root["remoteTmp"] = "?";
}
}
//------------------------------------------------------------------------------
bool _thermostatWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
if (strncmp(key, NAME_THERMOSTAT_ENABLED, strlen(NAME_THERMOSTAT_ENABLED)) == 0) return true;
if (strncmp(key, NAME_THERMOSTAT_MODE, strlen(NAME_THERMOSTAT_MODE)) == 0) return true;
if (strncmp(key, NAME_TEMP_RANGE_MIN, strlen(NAME_TEMP_RANGE_MIN)) == 0) return true;
if (strncmp(key, NAME_TEMP_RANGE_MAX, strlen(NAME_TEMP_RANGE_MAX)) == 0) return true;
if (strncmp(key, NAME_REMOTE_SENSOR_NAME, strlen(NAME_REMOTE_SENSOR_NAME)) == 0) return true;
if (strncmp(key, NAME_REMOTE_TEMP_MAX_WAIT, strlen(NAME_REMOTE_TEMP_MAX_WAIT)) == 0) return true;
if (strncmp(key, NAME_MAX_ON_TIME, strlen(NAME_MAX_ON_TIME)) == 0) return true;
if (strncmp(key, NAME_MIN_OFF_TIME, strlen(NAME_MIN_OFF_TIME)) == 0) return true;
if (strncmp(key, NAME_ALONE_ON_TIME, strlen(NAME_ALONE_ON_TIME)) == 0) return true;
if (strncmp(key, NAME_ALONE_OFF_TIME, strlen(NAME_ALONE_OFF_TIME)) == 0) return true;
return false;
}
//------------------------------------------------------------------------------
void _thermostatWebSocketOnAction(uint32_t client_id, const char * action, JsonObject& data) {
if (strcmp(action, "thermostat_reset_counters") == 0) resetBurnCounters();
}
#endif
//------------------------------------------------------------------------------
void thermostatSetup() {
commonSetup();
_thermostat.temperature_source = temp_none;
_thermostat_burn_total = getSetting(NAME_BURN_TOTAL, 0);
_thermostat_burn_today = getSetting(NAME_BURN_TODAY, 0);
_thermostat_burn_yesterday = getSetting(NAME_BURN_YESTERDAY, 0);
_thermostat_burn_this_month = getSetting(NAME_BURN_THIS_MONTH, 0);
_thermostat_burn_prev_month = getSetting(NAME_BURN_PREV_MONTH, 0);
_thermostat_burn_day = getSetting(NAME_BURN_DAY, 0);
_thermostat_burn_month = getSetting(NAME_BURN_MONTH, 0);
mqttHeartbeat(_thermostatMqttHeartbeat);
mqttRegister(thermostatMqttCallback);
// Websockets
#if WEB_SUPPORT
wsRegister()
.onConnected(_thermostatWebSocketOnConnected)
.onKeyCheck(_thermostatWebSocketOnKeyCheck)
.onAction(_thermostatWebSocketOnAction);
#endif
espurnaRegisterLoop(thermostatLoop);
espurnaRegisterReload(_thermostatReload);
}
#endif // THERMOSTAT_SUPPORT