LPNU-IoT · xyzHooDlEzyx · Mar 18, 2025 · Mar 18, 2025 · Mar 31, 2025
diff --git a/mc_labs/Bala_lab1/Pins.h b/mc_labs/Bala_lab1/Pins.h
@@ -0,0 +1,16 @@
+#ifndef PINS_H
+#define PINS_H
+
+#define LED1_PIN 2
+#define LED2_PIN 14
+#define LED3_PIN 12
+#define BTN_PIN 13
+
+void pinsSetup(){
+  pinMode(LED1_PIN, OUTPUT);
+  pinMode(LED2_PIN, OUTPUT);
+  pinMode(LED3_PIN, OUTPUT);
+  pinMode(BTN_PIN, INPUT);
+}
+
+#endif
diff --git a/mc_labs/Bala_lab1/Websrv.h b/mc_labs/Bala_lab1/Websrv.h
@@ -0,0 +1,134 @@
+#ifndef WEBSRV_H
+#define WEBSRV_H
+
+#include <ESP8266WiFi.h>
+#include <ESPAsyncTCP.h>
+#include <ESPAsyncWebServer.h>
+
+extern uint32_t ledDelay;
+
+//const char* ssid = "Mi Phone2";
+//const char* password = "12345678";
+
+const char* ssid = "__MY__VAULT__";
+const char* password = "79715218";
+
+const char index_html[] PROGMEM = R"rawliteral(
+    <!DOCTYPE HTML>
+    <html>
+
+    <head>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <style>
+            body {
+                height: 100vh;  
+                display: flex;
+                flex-direction: column;
+                align-items: center;
+                justify-content: center;
+                font-family: Arial;
+                text-align: center;
+                margin: 0px auto;
+                padding-top: 30px;
+            }
+
+            .button {
+                padding: 10px 20px;
+                font-size: 24px;
+                text-align: center;
+                outline: none;
+                color: #fff;
+                background-color: #2f4468;
+                border: none;
+                border-radius: 5px;
+                box-shadow: 0 6px #999;
+                cursor: pointer;
+                -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+            }
+
+            .button:hover {
+                background-color: #1f2e45
+            }
+
+            .button:active {
+                background-color: #1f2e45;
+                box-shadow: 0 4px #666;
+                transform: translateY(2px);
+            }
+
+            @media screen and (max-width: 480px) {
+                .button {
+                    padding: 15px 100px 15px 10px;
+                    font-size: 10px;
+                }
+
+                h1 {
+                    font-size: 24px;
+                    padding-top: 20px;
+                }
+            }
+        </style>
+    </head>
+
+    <body>
+        <h1>ESP Pushbutton Web Server</h1>
+        <button class="button" onclick="changeDelay();">Change Delay</button>
+        <p id="delayValue">Current Delay: 1000 ms</p>
+
+        <script>
+            function changeDelay() {
+                var xhr = new XMLHttpRequest();
+                xhr.open("GET", "/change_delay", true);
+                xhr.send();
+            }
+
+            function getDelayValue() {
+                var xhr = new XMLHttpRequest();
+                xhr.open("GET", "/get_delay", true);
+                xhr.onreadystatechange = function () {
+                    if (xhr.readyState === 4 && xhr.status === 200) {
+                        document.getElementById('delayValue').innerText = "Current Delay: " + xhr.responseText + " ms";
+                    }
+                };
+                xhr.send();
+            }
+
+            setInterval(getDelayValue, 1000);
+        </script>
+    </body>
+
+    </html>
+    )rawliteral";
+
+AsyncWebServer server(80);
+
+void changeDelay();
+
+void setupWebServer() {
+    Serial.begin(115200);
+    WiFi.begin(ssid, password);
+    while (WiFi.status() != WL_CONNECTED) {
+        delay(1000);
+        Serial.println("Connecting to WiFi...");
+    }
+    Serial.println("Connected to WiFi");
+    Serial.print("IP address: ");
+    Serial.println(WiFi.localIP());
+
+    server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
+        request->send_P(200, "text/html", index_html);
+    });
+
+    server.on("/change_delay", HTTP_GET, [](AsyncWebServerRequest *request) {
+        changeDelay();
+        request->send(200, "text/plain", String(ledDelay).c_str());
+    });
+
+    server.on("/get_delay", HTTP_GET, [](AsyncWebServerRequest *request) {
+        request->send(200, "text/plain", String(ledDelay).c_str());
+    });
+
+    server.begin();
+}
+
+#endif
diff --git a/mc_labs/Bala_lab1/lab1_oop.ino b/mc_labs/Bala_lab1/lab1_oop.ino
@@ -0,0 +1,90 @@
+#include "Pins.h"
+#include "Websrv.h"
+#include <ESPAsyncWebServer.h>
+
+
+uint8_t lastButtonState = 1;
+
+uint32_t lastDebounceTime = 0;
+const uint32_t debounceDelay = 50;
+
+uint32_t lastLedToggle = 0;
+uint32_t ledDelay = 1000;
+uint8_t ledState = 0;
+
+
+void setup() {
+  pinsSetup();
+  setupWebServer();
+}
+
+void loop() {
+  handleButton();
+  handleLeds();
+}
+
+void handleButton() {
+  uint32_t tmp = millis();
+  int btnVal = digitalRead(BTN_PIN);
+  bool dbtn=0;
+  if (btnVal != lastButtonState) {
+    Serial.println(btnVal);
+      lastDebounceTime = millis();
+      Serial.println(lastDebounceTime);
+      dbtn=true;
+
+  }
+
+  if (dbtn && ((tmp - lastDebounceTime) > debounceDelay)) {
+    dbtn=false;
+    tmp = 0;
+    lastDebounceTime = 0;
+     Serial.println("deb time past");
+      if (btnVal == LOW && lastButtonState == HIGH) {  
+          Serial.println("btn pressed!");
+          changeDelay();
+      }
+      lastButtonState = btnVal;
+  }
+}
+
+
+void handleLeds() {
+    unsigned long currentMillis = millis();
+
+    if (currentMillis - lastLedToggle >= ledDelay) {
+        Serial.println("leds");
+        lastLedToggle = currentMillis;
+
+        if (ledState == 0) {
+            Serial.println("led1");
+            digitalWrite(LED1_PIN, HIGH);
+            digitalWrite(LED3_PIN, LOW);
+        } else if (ledState == 1) {
+            Serial.println("led2");
+            digitalWrite(LED1_PIN, LOW);
+            digitalWrite(LED2_PIN, HIGH);
+        } else if (ledState == 2) {
+            Serial.println("led3");
+            digitalWrite(LED2_PIN, LOW);
+            digitalWrite(LED3_PIN, HIGH);
+        }
+
+        ledState++;
+        if (ledState > 2){
+          ledState = 0;
+          Serial.println("led > 2");
+        }
+    }
+}
+
+void changeDelay() {
+  if (ledDelay > 100) {
+        Serial.println("led change");
+      ledDelay -= 100;
+  } else {
+      ledDelay = 1000;
+  }
+  Serial.print("New ledDelay: ");
+  Serial.println(ledDelay);
+}
diff --git a/mc_labs/Bala_lab2/.gitignore b/mc_labs/Bala_lab2/.gitignore
@@ -0,0 +1,5 @@
+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch
diff --git a/mc_labs/Bala_lab2/.vscode/extensions.json b/mc_labs/Bala_lab2/.vscode/extensions.json
@@ -0,0 +1,10 @@
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}