First commit

ESP_MidRoom/.gitignore

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+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

ESP_MidRoom/.travis.yml

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+# Continuous Integration (CI) is the practice, in software
+# engineering, of merging all developer working copies with a shared mainline
+# several times a day < https://docs.platformio.org/page/ci/index.html >
+#
+# Documentation:
+#
+# * Travis CI Embedded Builds with PlatformIO
+#   < https://docs.travis-ci.com/user/integration/platformio/ >
+#
+# * PlatformIO integration with Travis CI
+#   < https://docs.platformio.org/page/ci/travis.html >
+#
+# * User Guide for `platformio ci` command
+#   < https://docs.platformio.org/page/userguide/cmd_ci.html >
+#
+#
+# Please choose one of the following templates (proposed below) and uncomment
+# it (remove "# " before each line) or use own configuration according to the
+# Travis CI documentation (see above).
+#
+
+
+#
+# Template #1: General project. Test it using existing `platformio.ini`.
+#
+
+# language: python
+# python:
+#     - "2.7"
+#
+# sudo: false
+# cache:
+#     directories:
+#         - "~/.platformio"
+#
+# install:
+#     - pip install -U platformio
+#     - platformio update
+#
+# script:
+#     - platformio run
+
+
+#
+# Template #2: The project is intended to be used as a library with examples.
+#
+
+# language: python
+# python:
+#     - "2.7"
+#
+# sudo: false
+# cache:
+#     directories:
+#         - "~/.platformio"
+#
+# env:
+#     - PLATFORMIO_CI_SRC=path/to/test/file.c
+#     - PLATFORMIO_CI_SRC=examples/file.ino
+#     - PLATFORMIO_CI_SRC=path/to/test/directory
+#
+# install:
+#     - pip install -U platformio
+#     - platformio update
+#
+# script:
+#     - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N

ESP_MidRoom/.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ]
+}

ESP_MidRoom/include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the usual convention is to give header files names that end with `.h'.
+It is most portable to use only letters, digits, dashes, and underscores in
+header file names, and at most one dot.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

ESP_MidRoom/include/amqtt.h

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+// #ifndef __AMQTT__
+// #define __AMQTT__
+// //#include <main.h>
+// #include <Arduino.h>
+// #include <ArduinoOTA.h>
+// #include <Ticker.h>
+// #include <AsyncMqttClient.h>
+
+// const char* ssid = "wf-home";
+// const char* password = "0ndthnrf";
+// const char* mqtt_server = "192.168.1.250";
+
+// AsyncMqttClient mqttClient;
+// Ticker mqttReconnectTimer;
+
+// WiFiEventHandler wifiConnectHandler;
+// WiFiEventHandler wifiDisconnectHandler;
+// Ticker wifiReconnectTimer;
+
+// void connectToWifi();
+// void connectToMqtt();
+// void onWifiConnect(const WiFiEventStationModeGotIP& event);
+// void onWifiDisconnect(const WiFiEventStationModeDisconnected& event);
+// void onMqttConnect(bool sessionPresent);
+// void onMqttDisconnect(AsyncMqttClientDisconnectReason reason);
+// void onMqttSubscribe(uint16_t packetId, uint8_t qos);
+// void onMqttUnsubscribe(uint16_t packetId);
+// void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total);
+// void onMqttPublish(uint16_t packetId);
+// #endif

ESP_MidRoom/include/leds.h

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+#ifndef __LEDS_H__
+#define __LEDS_H__
+#include <Arduino.h>
+
+class leds
+{
+private:
+    int ledPin;
+    bool inv, state;
+    int onMS;
+    unsigned long curMS;
+public:
+    leds(int ledPin, int onms = 300, bool inverse = false);
+    //~leds();
+    void start();
+    void tick();
+};
+
+#endif

ESP_MidRoom/include/main.h

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+#include <Arduino.h>
+#include <ArduinoOTA.h>
+#include <Ticker.h>
+#include <AsyncMqttClient.h>
+
+#include <Adafruit_BME280.h>
+#include <MHZ19.h>
+
+//#define POWER_SENS (7)
+
+Adafruit_BME280 bme;
+MHZ19 mhz19;
+
+unsigned long crun;
+uint32_t co2;
+bool firstRun;
+float p, t, h;
+//uint16_t cntSec;
+int light, lightPrev;

ESP_MidRoom/lib/README

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+
+This directory is intended for project specific (private) libraries.
+PlatformIO will compile them to static libraries and link into executable file.
+
+The source code of each library should be placed in a an own separate directory
+("lib/your_library_name/[here are source files]").
+
+For example, see a structure of the following two libraries `Foo` and `Bar`:
+
+|--lib
+|  |
+|  |--Bar
+|  |  |--docs
+|  |  |--examples
+|  |  |--src
+|  |     |- Bar.c
+|  |     |- Bar.h
+|  |  |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
+|  |
+|  |--Foo
+|  |  |- Foo.c
+|  |  |- Foo.h
+|  |
+|  |- README --> THIS FILE
+|
+|- platformio.ini
+|--src
+   |- main.c
+
+and a contents of `src/main.c`:
+```
+#include <Foo.h>
+#include <Bar.h>
+
+int main (void)
+{
+  ...
+}
+
+```
+
+PlatformIO Library Dependency Finder will find automatically dependent
+libraries scanning project source files.
+
+More information about PlatformIO Library Dependency Finder
+- https://docs.platformio.org/page/librarymanager/ldf.html

ESP_MidRoom/platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:nodemcuv2]
+platform = espressif8266
+board = esp12e
+framework = arduino
+board_build.f_cpu = 26000000L
+board_build.ldscript = eagle.flash.1m.ld
+;board_build.flash_mode = dout
+upload_protocol = espota
+upload_port = 192.168.1.132

ESP_MidRoom/src/amqtt.cpp

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+// #include <amqtt.h>
+
+// void connectToWifi() {
+//   Serial.println("Connecting to Wi-Fi...");
+//   WiFi.begin(ssid, password);
+// }
+
+// void connectToMqtt() {
+//   Serial.println("Connecting to MQTT...");
+//   //mqttClient.connect();
+// }
+
+// void onWifiConnect(const WiFiEventStationModeGotIP& event) {
+//   Serial.println("Connected to Wi-Fi.");
+//   Serial.print("IP: ");
+//   Serial.println(WiFi.localIP());
+//   connectToMqtt();
+// }
+
+// void onWifiDisconnect(const WiFiEventStationModeDisconnected& event) {
+//   Serial.println("Disconnected from Wi-Fi.");
+//   mqttReconnectTimer.detach(); // ensure we don't reconnect to MQTT while reconnecting to Wi-Fi
+//   wifiReconnectTimer.once(2, connectToWifi);
+// }
+
+// void onMqttConnect(bool sessionPresent) {
+//   Serial.println("Connected to MQTT.");
+//   Serial.print("Session present: ");
+//   Serial.println(sessionPresent);
+//   //uint16_t packetIdSub = 
+//   // Serial.print("Subscribing Lamp1, packetId: ");
+//   // Serial.println(packetIdSub);
+//   //packetIdSub = mqttClient.subscribe("/home/kor/lamp2_set", 1);
+//   //Serial.print("Subscribing Lamp2, packetId: ");
+//   //Serial.println(packetIdSub);
+//   //Serial.println("Publishing at Lamp 1");
+//   //mqttClient.publish("/home/kor/lamp2", 1, false, lStat2 ? "1" : "0");
+//   //Serial.println("Publishing at Lamp 2");
+// }
+
+// void onMqttDisconnect(AsyncMqttClientDisconnectReason reason) {
+//   Serial.println("Disconnected from MQTT.");
+
+//   if (WiFi.isConnected()) {
+//     mqttReconnectTimer.once(2, connectToMqtt);
+//   }
+// }
+
+// void onMqttSubscribe(uint16_t packetId, uint8_t qos) {
+//   // Serial.println("Subscribe acknowledged.");
+//   // Serial.print("  packetId: ");
+//   // Serial.println(packetId);
+//   // Serial.print("  qos: ");
+//   // Serial.println(qos);
+// }
+
+// void onMqttUnsubscribe(uint16_t packetId) {
+//   // Serial.println("Unsubscribe acknowledged.");
+//   // Serial.print("  packetId: ");
+//   // Serial.println(packetId);
+// }
+
+// void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
+//   if(strcmp(topic, "/home/kor/lamp1_set") == 0){
+//   }
+// }
+
+// void onMqttPublish(uint16_t packetId) {
+//   // Serial.println("Publish acknowledged.");
+//   // Serial.print("  packetId: ");
+//   // Serial.println(packetId);
+// }

ESP_MidRoom/src/leds.cpp

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+#include <leds.h>
+
+leds::leds(int pinLED, int onms, bool inverse)
+{
+    ledPin = pinLED;
+    inv = inverse;
+    onMS = onms;
+    state = false;
+}
+
+void leds::start()
+{
+    curMS = millis();
+    state = true;
+    if(!inv)
+        analogWrite(ledPin, 100);
+    else
+        analogWrite(ledPin, 0);
+    //digitalWrite(ledPin, !inv);
+}
+
+void leds::tick()
+{
+    if(state && ((curMS + onMS) < millis())){
+        state = false;
+        if(inv)
+            analogWrite(ledPin, 1);
+        else
+            analogWrite(ledPin, 0);
+        //digitalWrite(ledPin, inv);
+    }
+}

ESP_MidRoom/src/main.cpp

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+#include <main.h>
+#include <ArduinoOTA.h>
+#include <Ticker.h>
+#include <AsyncMqttClient.h>
+#include <leds.h>
+
+#define R_LED (13)
+#define G_LED (12)
+#define B_LED (0)
+#define MOV_SENS (16)
+#define P_SENS (14)
+
+bool meas = false;
+short minCnt;
+bool send_move = false;
+int old_mov = 0;
+int adc = 0;
+int lastADC = 0;
+
+unsigned long cRun;
+
+const char* ssid = "wf-home";
+const char* password = "0ndthnrf";
+const char* mqtt_server = "192.168.1.250";
+
+AsyncMqttClient mqttClient;
+Ticker mqttReconnectTimer;
+
+WiFiEventHandler wifiConnectHandler;
+WiFiEventHandler wifiDisconnectHandler;
+Ticker wifiReconnectTimer;
+
+void connectToWifi();
+void connectToMqtt();
+void onWifiConnect(const WiFiEventStationModeGotIP& event);
+void onWifiDisconnect(const WiFiEventStationModeDisconnected& event);
+void onMqttConnect(bool sessionPresent);
+void onMqttDisconnect(AsyncMqttClientDisconnectReason reason);
+void onMqttSubscribe(uint16_t packetId, uint8_t qos);
+void onMqttUnsubscribe(uint16_t packetId);
+void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total);
+void onMqttPublish(uint16_t packetId);
+
+//leds b_led(B_LED);
+leds g_led(G_LED, 100);
+//leds r_led(R_LED, 100);
+
+void setup() {
+  Serial.begin(9600, SERIAL_8N1);
+  Serial1.begin(9600);
+  Serial1.println("Booting");  //  "Загрузка"
+
+  WiFi.mode(WIFI_STA);
+  WiFi.hostname("MidRoom");
+  ArduinoOTA.onStart([]() {
+    //Serial1.println("Start Update");  //  "Начало OTA-апдейта"
+  });
+  ArduinoOTA.onEnd([]() {
+    //Serial1.println("\nEnd Update");  //  "Завершение OTA-апдейта"
+  });
+  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+    ////Serial1.printf("Progress: %u%%\r", (progress / (total / 100)));
+  });
+  ArduinoOTA.onError([](ota_error_t error) {
+    // //Serial1.printf("Error[%u]: ", error);
+    // if (error == OTA_AUTH_ERROR) //Serial1.println("Auth Failed");
+    // //  "Ошибка при аутентификации"
+    // else if (error == OTA_BEGIN_ERROR) //Serial1.println("Begin Failed");
+    // //  "Ошибка при начале OTA-апдейта"
+    // else if (error == OTA_CONNECT_ERROR) //Serial1.println("Connect Failed");
+    // //  "Ошибка при подключении"
+    // else if (error == OTA_RECEIVE_ERROR) //Serial1.println("Receive Failed");
+    // //  "Ошибка при получении данных"
+    // else if (error == OTA_END_ERROR) //Serial1.println("End Failed");
+    // //  "Ошибка при завершении OTA-апдейта"
+  });
+  ArduinoOTA.begin();
+
+	wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
+	wifiDisconnectHandler = WiFi.onStationModeDisconnected(onWifiDisconnect);
+
+	mqttClient.onConnect(onMqttConnect);
+	mqttClient.onDisconnect(onMqttDisconnect);
+	mqttClient.onSubscribe(onMqttSubscribe);
+	mqttClient.onUnsubscribe(onMqttUnsubscribe);
+	mqttClient.onMessage(onMqttMessage);
+	mqttClient.onPublish(onMqttPublish);
+	mqttClient.setServer(mqtt_server, 1883);
+
+  pinMode(MOV_SENS, INPUT_PULLUP);
+  pinMode(P_SENS, OUTPUT);
+  pinMode(R_LED, OUTPUT);
+  pinMode(G_LED, OUTPUT);
+  pinMode(B_LED, OUTPUT);
+  //analogWriteRange(100);
+  digitalWrite(P_SENS, HIGH);
+  digitalWrite(B_LED, HIGH);
+  digitalWrite(R_LED, HIGH);
+  Serial1.println(F("Begin MH-Z19"));
+  for(int i = 0; i < 5; i++){
+    Serial1.print('.');
+    delay(1000);
+  }
+  Serial1.println();
+  mhz19.begin(Serial);
+  //char myVersion[4];          
+  //mhz19.getVersion(myVersion);
+
+  // //Serial1.print("\nFirmware Version: ");
+  // for(byte i = 0; i < 4; i++)
+  // {
+  //   //Serial1.print(myVersion[i]);
+  //   if(i == 1)
+  //     //Serial1.print(".");    
+  // }
+  //  //Serial1.println("");
+
+  //  //Serial1.print("Range: ");
+  //  //Serial1.println(mhz19.getRange());   
+  //  //Serial1.print("Background CO2: ");
+  //  //Serial1.println(mhz19.getBackgroundCO2());
+  //  //Serial1.print("Temperature Cal: ");
+  //  //Serial1.println(mhz19.getTempAdjustment());
+  //  //Serial1.print("ABC Status: "); mhz19.getABC() ? //Serial1.println("ON") :  //Serial1.println("OFF");
+  //Serial1.println(F("End Begin MH-Z19"));
+
+  Wire.begin();
+  Serial1.println(F("Begin BME"));
+  bool status = bme.begin(BME280_ADDRESS_ALTERNATE);  
+
+
+  if (!status) {
+    Serial1.println(F("Could not find a valid BME280 sensor, check wiring, address, sensor ID!"));
+  }
+  else{
+    delay(100);
+    p = bme.readPressure();
+    t = bme.readTemperature();
+    h = bme.readHumidity();
+    Serial1.print(F("T: "));
+    Serial1.print(t);
+    Serial1.print(F("\tH: "));
+    Serial1.print(h);
+    Serial1.print(F("\tP: "));
+    Serial1.println(p);
+  }  
+
+	connectToWifi();
+
+  cRun = millis();
+  Serial1.println(F("Start Loop"));
+  //(R_LED, HIGH);
+}
+
+void loop() {
+  float pt, tt, ht;
+  char v[11];
+  static int stDelay = 0;
+  ArduinoOTA.handle();
+  g_led.tick();
+  //r_led.tick();
+  if (digitalRead(MOV_SENS) != old_mov){
+    old_mov = digitalRead(MOV_SENS);
+    Serial1.println(F("Change mov detected"));
+    mqttClient.publish("/home/midroom/move", 1, false, old_mov ? "1" : "0");
+  }
+  
+  if(cRun + 999 < millis()){
+    cRun = millis();
+    //if(mqttClient.connected()) digitalWrite(R_LED, LOW); else digitalWrite(R_LED, HIGH);
+    adc = analogRead(A0);
+    Serial1.print(F("ADC: "));Serial1.println(adc);
+    Serial1.print(F("MQTT: "));Serial1.println(mqttClient.connected());
+    if(abs(adc - lastADC) > 50){
+      lastADC = adc;
+      itoa(adc, v, 10);
+      mqttClient.publish("/home/midroom/light", 1, false, v);
+    }
+    if(meas){
+      //Serial1.println(adc);
+      Serial1.println("Measure");
+
+      pt = bme.readPressure();
+      tt = bme.readTemperature();
+      ht = bme.readHumidity();
+      Serial1.print(F("T: "));
+      Serial1.print(tt);
+      Serial1.print(F("\tH: "));
+      Serial1.print(ht);
+      Serial1.print(F("\tP: "));
+      Serial1.println(pt);
+      if(!isnan(pt))
+        p += (pt - p) / 60.0f ;
+      else
+      {
+          Serial1.println(F("Error BME"));
+      }
+      
+      if(!isnan(tt))
+        t += (tt - t) / 30.0f ;
+      if(!isnan(ht))
+        h += (ht - h) / 30.0f ;
+      digitalWrite(P_SENS, LOW);
+      meas = false;
+    }
+    else{
+      if(minCnt % 5 == 0){
+        co2 = mhz19.getCO2();
+        Serial1.print("CO2: ");
+        Serial1.println(co2);
+        digitalWrite(P_SENS, HIGH);
+        bme.begin(BME280_ADDRESS_ALTERNATE);
+        meas = true;
+      }
+    }
+    if(++minCnt == 60){
+      minCnt = 0;
+      if(mqttClient.connected()){
+        g_led.start();
+        //r_led.start();
+        //Serial1.println("Begin Publish");
+        dtostrf(t, 5, 1,v);
+        mqttClient.publish("/home/midroom/temp", 0, false, v);
+        //Serial1.println("Publish1");
+        dtostrf(h, 5, 1,v);
+        mqttClient.publish("/home/midroom/humid", 0, false, v);
+        //Serial1.println("Publish2");
+        if(firstRun){
+          stDelay++;
+          if(stDelay > 3) firstRun = false;
+        }
+        if(!firstRun && (mhz19.errorCode == RESULT_OK)){
+          itoa(co2, v, 10);
+          mqttClient.publish("/home/midroom/co2", 0, false, v);
+          //Serial1.println("Publish3");
+        }
+      }
+    }
+    else if(minCnt % 10 == 0){
+      itoa(millis(), v, 10);
+      if(mqttClient.connected()){
+        mqttClient.publish("/home/midroom/millis", 0, false, v);
+        dtostrf(t, 5, 1,v);
+        mqttClient.publish("/home/midroom/temp", 0, false, v);
+        //Serial1.println("Publish1");
+        dtostrf(h, 5, 1,v);
+        mqttClient.publish("/home/midroom/humid", 0, false, v);
+        g_led.start();
+      }
+    }
+  }
+}
+
+void connectToWifi() {
+  Serial1.println(F("Connecting to Wi-Fi..."));
+  //Serial1.flush();
+  WiFi.begin(ssid, password);
+}
+
+void connectToMqtt() {
+  Serial1.println(F("Connecting to MQTT..."));
+  //Serial1.flush();
+  mqttClient.connect();
+}
+
+void onWifiConnect(const WiFiEventStationModeGotIP& event) {
+  Serial1.println(F("Connected to Wi-Fi."));
+  Serial1.print(F("IP: "));
+  //Serial1.flush();
+  Serial1.println(WiFi.localIP());
+  digitalWrite(R_LED, LOW);
+  connectToMqtt();
+}
+
+void onWifiDisconnect(const WiFiEventStationModeDisconnected& event) {
+  Serial1.println(F("Disconnected from Wi-Fi."));
+  //Serial1.flush();
+  mqttReconnectTimer.detach(); // ensure we don't reconnect to MQTT while reconnecting to Wi-Fi
+  wifiReconnectTimer.once(2, connectToWifi);
+  digitalWrite(R_LED, HIGH);
+}
+
+void onMqttConnect(bool sessionPresent) {
+  Serial1.println(F("Connected to MQTT."));
+  Serial1.print(F("Session present: "));
+  //Serial1.flush();
+  Serial1.println(sessionPresent);
+  //digitalWrite(B_LED, HIGH);
+  //digitalWrite(R_LED, LOW);
+  //uint16_t packetIdSub = 
+  // //Serial1.print("Subscribing Lamp1, packetId: ");
+  // //Serial1.println(packetIdSub);
+  //packetIdSub = mqttClient.subscribe("/home/kor/lamp2_set", 1);
+  ////Serial1.print("Subscribing Lamp2, packetId: ");
+  ////Serial1.println(packetIdSub);
+  ////Serial1.println("Publishing at Lamp 1");
+  //mqttClient.publish("/home/kor/lamp2", 1, false, lStat2 ? "1" : "0");
+  ////Serial1.println("Publishing at Lamp 2");
+  digitalWrite(B_LED, LOW);
+}
+
+void onMqttDisconnect(AsyncMqttClientDisconnectReason reason) {
+  Serial1.println("Disconnected from MQTT.");
+  //digitalWrite(B_LED, LOW);
+  //digitalWrite(R_LED, HIGH);
+  if (WiFi.isConnected()) {
+    mqttReconnectTimer.once(2, connectToMqtt);
+  }
+  digitalWrite(B_LED, HIGH);
+}
+
+void onMqttSubscribe(uint16_t packetId, uint8_t qos) {
+  // //Serial1.println("Subscribe acknowledged.");
+  // //Serial1.print("  packetId: ");
+  // //Serial1.println(packetId);
+  // //Serial1.print("  qos: ");
+  // //Serial1.println(qos);
+}
+
+void onMqttUnsubscribe(uint16_t packetId) {
+  // //Serial1.println("Unsubscribe acknowledged.");
+  // //Serial1.print("  packetId: ");
+  // //Serial1.println(packetId);
+}
+
+void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
+  if(strcmp(topic, "/home/kor/lamp1_set") == 0){
+  }
+}
+
+void onMqttPublish(uint16_t packetId) {
+  //Serial1.println("Publish acknowledged.");
+  //Serial1.print("  packetId: ");
+  //Serial1.println(packetId);
+  //g_led.start();
+}
+

ESP_MidRoom/test/README

@@ -0,0 +1,11 @@
+
+This directory is intended for PIO Unit Testing and project tests.
+
+Unit Testing is a software testing method by which individual units of
+source code, sets of one or more MCU program modules together with associated
+control data, usage procedures, and operating procedures, are tested to
+determine whether they are fit for use. Unit testing finds problems early
+in the development cycle.
+
+More information about PIO Unit Testing:
+- https://docs.platformio.org/page/plus/unit-testing.html