LPNU-IoT · Starik1500 · Mar 18, 2025 · Apr 3, 2025 · Jun 11, 2025
diff --git a/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/1_LED.ino b/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/1_LED.ino
@@ -0,0 +1,84 @@
+#define LED1_PIN 0 
+#define LED2_PIN 14
+#define LED3_PIN 13
+
+#define BUTTON_PIN 12
+
+extern bool isBlinking;
+extern unsigned long prevMillis;
+extern const int blinkInterval;
+extern unsigned long timerStart;
+extern bool timerActive;
+extern int ledState;  
+extern int pauseState;
+extern int ledCount;
+extern int timer;
+
+int stepState = 0; 
+
+void initLEDs() {
+  pinMode(LED1_PIN, OUTPUT);
+  pinMode(LED2_PIN, OUTPUT);
+  pinMode(LED3_PIN, OUTPUT);
+}
+
+void updateLEDs() {
+  if (digitalRead(BUTTON_PIN) == LOW && isBlinking) {
+    isBlinking = false;
+    timerActive = true;
+    timerStart = millis();
+    pauseState = getActiveLed(); 
+    Serial.println("Button pressed, pausing LEDs for 15 sec");
+  }
+
+  if (timerActive && millis() - timerStart >= timer) {
+    isBlinking = true;
+    timerActive = false;
+    Serial.println("15 seconds passed, resuming blinking");
+  }
+
+  if (isBlinking) {
+    unsigned long currentMillis = millis();
+    if (currentMillis - prevMillis >= blinkInterval) {
+      prevMillis = currentMillis;
+
+      digitalWrite(LED1_PIN, LOW);
+      digitalWrite(LED2_PIN, LOW);
+      digitalWrite(LED3_PIN, LOW);
+
+      int currentLed = getCurrentLed();
+      switch (currentLed) {
+        case 0: digitalWrite(LED1_PIN, HIGH); break;
+        case 1: digitalWrite(LED2_PIN, HIGH); break;
+        case 2: digitalWrite(LED3_PIN, HIGH); break;
+      }
+
+      stepState++;
+      if (stepState > 2) {
+        stepState = 0;
+        ledState = (ledState + 1) % ledCount;
+      }
+    }
+  } else {
+    digitalWrite(LED1_PIN, pauseState == 0 ? HIGH : LOW);
+    digitalWrite(LED2_PIN, pauseState == 1 ? HIGH : LOW);
+    digitalWrite(LED3_PIN, pauseState == 2 ? HIGH : LOW);
+  }
+}
+
+int getCurrentLed() {
+  if (stepState == 0) {
+    return ledState;
+  } else if (stepState == 1) {
+    if (ledState == 0) return 2; 
+    if (ledState == 1) return 0; 
+    if (ledState == 2) return 1; 
+  } else if (stepState == 2) {
+    return ledState; 
+  }
+  return ledState;
+}
+
+int getActiveLed() {
+  return getCurrentLed();
+}
diff --git a/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/1_laboratory.ino b/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/1_laboratory.ino
@@ -0,0 +1,48 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
+
+#define BUTTON_PIN 12
+
+bool isBlinking = true;
+unsigned long prevMillis = 0;
+const int blinkInterval = 500;
+unsigned long timerStart = 0;
+bool timerActive = false;
+int ledState = 0;
+int pauseState = LOW;
+int ledCount = 3;
+int timer = 15000;
+
+const char* ssid = "netis";
+const char* password = "password";
+
+ESP8266WebServer server(80);
+
+void updateLEDs();
+void web();
+void webToggle();
+void initLEDs();
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
+
+  WiFi.begin(ssid, password);
+  Serial.print("Connecting to WiFi...");
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("\nConnected! IP: " + WiFi.localIP().toString());
+
+  initLEDs();
+
+  server.on("/", web);
+  server.on("/toggle", webToggle);
+  server.begin();
+}
+
+void loop() {
+  server.handleClient();
+  updateLEDs();
+}
diff --git a/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/1_web_server.ino b/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/1_web_server.ino
@@ -0,0 +1,51 @@
+#include <ESP8266WebServer.h>
+
+extern ESP8266WebServer server;
+
+extern bool isBlinking;
+extern unsigned long timerStart;
+extern bool timerActive;
+extern int pauseState;
+extern int ledState;
+extern int ledCount;
+extern int timer;
+
+void web() {
+  String html = "<html>\
+  <head>\
+    <meta name='viewport' content='width=device-width, initial-scale=1'>\
+    <style>\
+      body { font-family: Arial, sans-serif; text-align: center; margin-top: 50px; }\
+      button { font-size: 20px; padding: 10px 20px; background: navy; color: white; border: none; cursor: pointer; }\
+      button:hover { background: darkblue; }\
+    </style>\
+    <script>\
+      function toggleLED() {\
+        var xhr = new XMLHttpRequest();\
+        xhr.open('GET', 'toggle', true);\
+        xhr.send();\
+      }\
+    </script>\
+  </head>\
+  <body>\
+    <h2>ESP Pushbutton Web Server</h2>\
+    <button onclick='toggleLED()'>LED PUSHBUTTON</button>\
+  </body>\
+  </html>";
+
+  server.send(200, "text/html", html);
+}
+
+void webToggle() {
+  isBlinking = !isBlinking;
+
+  if (!isBlinking) {
+    timerActive = true;
+    timerStart = millis();
+    pauseState = ledState;
+
+    Serial.println("Web button pressed, pausing LEDs for 15 sec");
+  }
+
+  server.send(200, "text/plain", "Toggled");
+}
diff --git a/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/data/image.png b/mc_labs/mc_lab_01/Staryk_Vitalii_Lab_01/data/image.png
diff --git a/mc_labs/mc_lab_01/Завдання №1(MK).pdf b/mc_labs/mc_lab_01/Завдання №1(MK).pdf
diff --git a/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_ESP.ino b/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_ESP.ino
@@ -0,0 +1,49 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
+
+const int CMD_STOP_L = 65;
+const int CMD_STOP_M = 66;
+
+const char* ssid = "iPhone de Vitaliy";
+const char* password = "iphone14";
+
+ESP8266WebServer server(80);
+
+const int leds[] = {2, 13, 14};
+const int numLeds = sizeof(leds) / sizeof(leds[0]);
+const int buttonPin = 16; 
+const int ledBlinkDuration = 15000;
+
+int currentLed = 0;
+bool stopRequested = false;
+unsigned long stopTime = 0;
+
+extern void setupLeds();
+extern void blinkLeds();
+extern bool shouldStopLeds();
+
+extern void setupWiFi();
+extern void setupServer();
+extern void handleWebRequests();
+extern void checkRX();
+
+extern void setupButton();
+extern void checkButton();
+
+void setup() {
+  Serial.begin(115200);
+  setupWiFi();
+  setupLeds();
+  setupButton();
+  setupServer();
+}
+
+void loop() {
+  handleWebRequests();
+  checkRX();
+  checkButton();
+
+  if (!shouldStopLeds()) {
+    blinkLeds();
+  }
+}
diff --git a/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_LED.ino b/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_LED.ino
@@ -0,0 +1,27 @@
+extern const int leds[];
+extern const int numLeds;
+extern int currentLed;
+extern bool stopRequested;
+extern unsigned long stopTime;
+
+void setupLeds() {
+  for (int i = 0; i < numLeds; i++) {
+    pinMode(leds[i], OUTPUT);
+    digitalWrite(leds[i], LOW);
+  }
+}
+
+void blinkLeds() {
+  digitalWrite(leds[currentLed], LOW);
+  currentLed = (currentLed + 1) % numLeds;
+  digitalWrite(leds[currentLed], HIGH);
+  delay(500);
+}
+
+bool shouldStopLeds() {
+  if (stopRequested && millis() - stopTime < ledBlinkDuration) {
+    return true;
+  }
+  stopRequested = false;
+  return false;
+}
diff --git a/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_Server.ino b/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_Server.ino
@@ -0,0 +1,105 @@
+#include <ESP8266WebServer.h>
+
+extern ESP8266WebServer server;
+extern const char* ssid;
+extern const char* password;
+
+extern bool stopRequested;
+extern unsigned long stopTime;
+extern const int CMD_STOP_L;
+extern const int CMD_STOP_M;
+
+void handleRoot() {
+  String html = "<html>\
+  <head>\
+    <meta name='viewport' content='width=device-width, initial-scale=1'>\
+    <style>\
+      body { font-family: Arial, sans-serif; text-align: center; margin-top: 50px; }\
+      .led-box { display: inline-block; width: 50px; height: 50px; margin: 10px; border-radius: 10px; border: 2px solid black; }\
+      .off { background: #333; }\
+      .on { background: red; }\
+      button { font-size: 20px; padding: 10px; margin: 5px; background: navy; color: white; border: none; cursor: pointer; }\
+      button:hover { background: darkblue; }\
+    </style>\
+    <script>\
+      function sendCommand(cmd) {\
+        var xhr = new XMLHttpRequest();\
+        xhr.open('GET', '/send?cmd=' + encodeURIComponent(cmd), true);\
+        xhr.send();\
+      }\
+      function updateLEDs() {\
+        var xhr = new XMLHttpRequest();\
+        xhr.open('GET', '/status', true);\
+        xhr.onreadystatechange = function() {\
+          if (xhr.readyState == 4 && xhr.status == 200) {\
+            var activeLed = parseInt(xhr.responseText);\
+            for (var i = 0; i < 3; i++) {\
+              document.getElementById('led' + i).className = 'led-box ' + (i == activeLed ? 'on' : 'off');\
+            }\
+          }\
+        };\
+        xhr.send();\
+      }\
+      setInterval(updateLEDs, 500);\
+    </script>\
+  </head>\
+  <body>\
+    <h2>ESP_L Controller</h2>\
+    <div>\
+      <div id='led0' class='led-box off'></div>\
+      <div id='led1' class='led-box off'></div>\
+      <div id='led2' class='led-box off'></div>\
+    </div>\
+    <button onclick='sendCommand(65)'>Stop ESP_L</button>\
+    <button onclick='sendCommand(66)'>Stop ESP_M</button>\
+  </body>\
+  </html>";
+  server.send(200, "text/html", html);
+}
+
+void handleSendCommand() {
+  if (server.hasArg("code")) {
+    int code = server.arg("code").toInt();
+    Serial.println("Received command via web: " + String(code));
+
+    if (code == CMD_STOP_L) {
+      stopRequested = true;
+      stopTime = millis();
+      server.send(200, "text/plain", "ESP_L stopped");
+    } else if (code == CMD_STOP_M) {
+      Serial.write(CMD_STOP_M);
+      server.send(200, "text/plain", "Sent stop command to ESP_M");
+    }
+  } else {
+    server.send(400, "text/plain", "Invalid command");
+  }
+}
+
+void checkRX() {
+  if (Serial.available() > 0) {
+    int received = Serial.read();
+    Serial.println("Received via RX: " + String(received));
+
+    if (received == CMD_STOP_L || received == CMD_STOP_M) {
+      stopRequested = true;
+      stopTime = millis();
+    }
+  }
+}
+
+void setupWiFi() {
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+  }
+}
+
+void setupServer() {
+  server.on("/", handleRoot);
+  server.on("/send", handleSendCommand);
+  server.begin();
+}
+
+void handleWebRequests() {
+  server.handleClient();
+}
diff --git a/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_button.ino b/mc_labs/mc_lab_02/Staryk_Vitalii_Lab_02/M_ESP/M_button.ino
@@ -0,0 +1,14 @@
+extern const int buttonPin;
+extern bool stopRequested;
+extern unsigned long stopTime;
+
+void setupButton() {
+  pinMode(buttonPin, INPUT);
+}
+
+void checkButton() {
+  if (digitalRead(buttonPin) == HIGH) {
+    stopRequested = true;
+    stopTime = millis();
+  }
+}