Merge pull request 'feature/netman' (#1) from feature/netman into master

Reviewed-on: #1

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+    "files.associations": {
+        "*.page-template": "vue",
+        "*.layout-template": "vue",
+        "*.vue": "vue",
+        "*.tcc": "cpp",
+        "functional": "cpp"
+    }
+}

src/bitmaps.h

@@ -0,0 +1,23 @@
+#include <avr/pgmspace.h>
+
+const unsigned char bitmap_nozzle[] PROGMEM = {
+    0b00111100,
+    0b00111100,
+    0b00111100,
+    0b11111111,
+    0b11111111,
+    0b01111110,
+    0b00111100,
+    0b00011000  
+};
+
+const unsigned char bitmap_bed[] PROGMEM = {
+    0b00100010,
+    0b01000100,
+    0b00100010,
+    0b01000100,
+    0b11111111,
+    0b11111111,
+    0b01100110,
+    0b00000000  
+};

src/example_config.h

@@ -1,7 +1,3 @@
-// WiFi settings
-#define WIFI_SSID "Your_SSID"
-#define WIFI_PASSWORD "Your_Password"
-
 // OctoPrint settings
 #define OCTOPRINT_HOST "your.octoprint.local"
 #define OCTOPRINT_PORT 9000
@@ -15,7 +11,7 @@
 #define FRAMERATE 8
 
 // Buttons and buzzer
-#define PIN_BTN_L 12 // D6
+#define PIN_BTN_L 15 // D6
 #define PIN_BTN_M 13 // D7
-#define PIN_BTN_R 15 // D8
+#define PIN_BTN_R 12 // D8
 #define PIN_BUZZER 0 // D3

src/functions.h

@@ -4,6 +4,9 @@
 #include <Adafruit_SSD1306.h>
 #include <ESP8266WiFi.h>
 
+void playTune(int tuneNumber);
+void beep(int buzz);
+
 unsigned long middle_long_press_started = 0;
 unsigned long right_long_press_started = 0; 
 bool is_display_off = false;
@@ -35,79 +38,94 @@ void initSystems() {
   display.display();
 }
 
-// Connect to WiFi
-void connectToWifi() {
-
-  Serial.println("Connecting to WiFi...");
-  display.clearDisplay();
-  display.setCursor(0, 0);
-  display.print("Connecting to WiFi...");
-  display.display();
-
-  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
-
-  int attemptCount = 0;
-  while (WiFi.status() != WL_CONNECTED && attemptCount < 20) { // Timeout after 20 attempts
-    delay(500);
-    Serial.print(".");
-    display.print(".");
-    display.display();
-    attemptCount++;
-  }
-
-  // Check if connected
-  if (WiFi.status() == WL_CONNECTED) {
-    Serial.println("\nConnected to WiFi!");
-    Serial.print("IP Address: ");
-    Serial.println(WiFi.localIP());
-
-    // Display connection success and IP address
-    display.clearDisplay();
-    display.setCursor(0, 0);
-    display.print("WiFi Connected!");
-    display.setCursor(0, 10);
-    display.print("IP: ");
-    display.print(WiFi.localIP());
-    display.display();
-  } else {
-    Serial.println("\nFailed to connect to WiFi.");
-    display.clearDisplay();
-    display.setCursor(0, 0);
-    display.print("WiFi Connection");
-    display.setCursor(0, 10);
-    display.print("Failed");
-    display.display();
-  }
-  delay(1000);
-}
-
 void commonButtonHandler() {
-
     unsigned long currentMillis = millis();
-    bool middleLeftPressed = (digitalRead(PIN_BTN_M) == HIGH) && (digitalRead(PIN_BTN_L) == HIGH);
+    static unsigned long leftPressStart = 0;
+    static unsigned long middlePressStart = 0;
+    static unsigned long rightPressStart = 0;
+
+    static bool leftBeeped = false;
+    static bool middleBeeped = false;
+    static bool rightBeeped = false;
+
+    bool leftPressed = (digitalRead(PIN_BTN_L) == HIGH);
+    bool middlePressed = (digitalRead(PIN_BTN_M) == HIGH);
     bool rightPressed = (digitalRead(PIN_BTN_R) == HIGH);
 
-    // Handle middle + left button long press for reset
-    if (middleLeftPressed) {
-        if ((currentMillis - middle_long_press_started) > 2000) {
-            ESP.restart(); // Restart if the buttons are pressed for more than 2 seconds
+    // Short press detection
+    if (leftPressed) {
+        if ((currentMillis - leftPressStart > 50)) { // Debounce delay
+            if (!leftBeeped) {
+                beep(1000); // Play beep sound
+                leftBeeped = true; // Set beeped state
+                // Handle left short press action here
+            }
         }
     } else {
-        middle_long_press_started = currentMillis; // Reset timer if the buttons are not pressed
+        leftPressStart = currentMillis; // Reset the timer if button is not pressed
+        leftBeeped = false; // Reset beeped state
     }
 
-  if (rightPressed) {
-    if ((currentMillis - right_long_press_started) > 2000) {
-      if (!is_display_off) {
-        display.ssd1306_command(SSD1306_DISPLAYOFF); // Turn off display
-        is_display_off = true;
-      }
-    } else if (is_display_off) {
-      display.ssd1306_command(SSD1306_DISPLAYON); // Turn on display
-      is_display_off = false;
+    if (middlePressed) {
+        if ((currentMillis - middlePressStart > 50)) { // Debounce delay
+            if (!middleBeeped) {
+                beep(1000); // Play beep sound
+                middleBeeped = true; // Set beeped state
+                // Handle middle short press action here
+            }
+        }
+    } else {
+        middlePressStart = currentMillis; // Reset the timer if button is not pressed
+        middleBeeped = false; // Reset beeped state
+    }
+
+    if (rightPressed) {
+        if ((currentMillis - rightPressStart > 50)) { // Debounce delay
+            if (!rightBeeped) {
+                beep(1000); // Play beep sound
+                rightBeeped = true; // Set beeped state
+                if (is_display_off) {
+                    display.ssd1306_command(SSD1306_DISPLAYON); // Turn on display
+                    is_display_off = false;
+                    beep(1300);
+                }            
+            }
+        }
+    } else {
+        rightPressStart = currentMillis; // Reset the timer if button is not pressed
+        rightBeeped = false; // Reset beeped state
+    }
+
+    // Long press detection
+    if (leftPressed && (currentMillis - leftPressStart > 2000)) {
+        if (!leftBeeped) {
+            beep(1000); // Play beep sound
+            leftBeeped = true; // Set beeped state
+            // Handle left long press action here
+        }
+    }
+
+    if (middlePressed && (currentMillis - middlePressStart > 2000)) {
+        if (!middleBeeped) {
+            beep(1000); // Play beep sound
+            middleBeeped = true; // Set beeped state
+            // Handle middle long press action here
+        }
+    }
+
+    if (rightPressed && (currentMillis - rightPressStart > 2000)) {
+            if (!is_display_off) {
+                beep(1300);
+                display.ssd1306_command(SSD1306_DISPLAYOFF); // Turn off display
+                is_display_off = true;
+                beep(1000);
+            }
+    }
+
+    // Combination of Left and Middle long press
+    if (leftPressed && middlePressed && 
+        (currentMillis - leftPressStart > 2000) && (currentMillis - middlePressStart > 2000)) {
+            beep(1000); // Play beep sound
+            ESP.restart();
     }
-  } else {
-    right_long_press_started = currentMillis;
-  }
 }
-

src/main.cpp

@@ -3,18 +3,20 @@
 #include <Wire.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
+#include "netman.h"
 #include "functions.h"
+#include "bitmaps.h"
 #include "octoprint.h"
 
 void setup() {
-
   initSystems();
+  netman netman(display);
   playTune(1);
-  connectToWifi();
+  netman.start();
   displayOctoPrintVersion(display);
-  
 }
 
 void loop() {
   commonButtonHandler();
+  fetchPrintingStatus(display);
 }

src/netman.h

@@ -0,0 +1,333 @@
+#include <ESP8266WiFi.h>
+#include <WiFiClient.h>
+#include <ESP8266WebServer.h>
+#include <Adafruit_SSD1306.h>
+#include <LittleFS.h>
+#include <DNSServer.h>
+#include <map>
+
+// Constants for the HTML pages and config file
+static const String beginHtml = "<!DOCTYPE html><html lang='en'><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width, initial-scale=1.0'><title>SmartCube Configure</title><style>body{font-family:Arial,sans-serif;background-color:#f4f4f9;color:#333;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}.container{width:100%;max-width:300px;padding:20px;background:#fff;border-radius:10px;box-shadow:0 4px 8px rgba(0,0,0,0.2);box-sizing:border-box}h2{margin-top:0;text-align:center;color:#0073e6}label{display:block;margin-bottom:5px;font-weight:bold}input[type='text'],input[type='password']{width:100%;padding:8px;margin-bottom:15px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box}button{width:100%;padding:10px;background-color:#0073e6;color:white;border:none;border-radius:4px;cursor:pointer;font-size:16px}button:hover{background-color:#005bb5}table{width:100%;margin-top:20px}td{padding:5px;text-align:left}</style></head><body><div class='container'><h2>Configure AP</h2><table><tbody><tr><td><label for='ssid'>SSID</label></td><td><input id='ssid' type='text' placeholder='Enter SSID'/></td></tr><tr><td><label for='pass'>Password</label></td><td><input id='pass' type='password' placeholder='Enter Password'/></td></tr><tr><td colspan='2'><button onclick=\"location.href = '/add?ssid=' + encodeURIComponent(document.getElementById('ssid').value) + '&pass=' + encodeURIComponent(document.getElementById('pass').value);\">Add Network</button></td></tr></tbody></table><br/><table><tbody>";
+static const String endHtml = "</tbody></table></body></html>";
+static const String configFile = "/netman";
+
+// Timeout for WiFi connection attempts
+static const unsigned long connectionTimeout = 15000; // 15 seconds
+
+struct netman {
+public:
+    netman(Adafruit_SSD1306& display);
+    netman(String ssid, String pass, bool hidden, Adafruit_SSD1306& display);
+    bool start();
+    void reset();
+    void addSsid(String ssid, String password);
+    void removeSsid(String ssid, String password);
+    
+private:
+    Adafruit_SSD1306& display;
+    std::unique_ptr<ESP8266WebServer> server;
+    std::map<String, String> _ssids;
+    String _ssid, _pass;
+    bool _hidden;
+    
+    void init(String ssid, String pass, bool hidden);
+    bool tryConnectToSsid(const char* ssid, const char* pass);
+    bool tryConnect();
+    void createAP();
+    bool redirectToIp();
+    void readConfig();
+    void writeConfig();
+    void handleRoot();
+    void handleAdd();
+    void handleRemove();
+    void handleSelect();
+};
+
+// Initialization
+void netman::init(String ssid, String pass, bool hidden) {
+    // Ensure password meets minimum length
+    if (pass != "" && pass.length() < 8) {
+            display.clearDisplay();
+            display.setCursor(0, 0);
+            display.println("Password too short");
+            display.display(); 
+            pass = "8characters";
+    }
+    
+    // Get the last 4 characters of the MAC address
+    String macAddress = WiFi.macAddress();
+    String macSuffix = macAddress.substring(macAddress.length() - 5); 
+    macSuffix.replace(":", "");
+
+    // Set default SSID if none provided
+    _ssid = ssid.isEmpty() ? "SmartCube_" + macSuffix : ssid;
+    _pass = pass;
+    _hidden = hidden;
+
+
+    // Initialize LittleFS with error handling
+    if (!LittleFS.begin()) {
+        display.clearDisplay();
+        display.setCursor(0, 0);
+        display.println("FS init failed");
+        display.display(); 
+    }
+}
+
+// Constructors
+netman::netman(Adafruit_SSD1306& display) : display(display) {
+    init("", "", false);
+}
+
+netman::netman(String ssid, String pass, bool hidden, Adafruit_SSD1306& display) : display(display) {
+    init(ssid, pass, hidden);
+}
+
+// Attempt to start and connect or create AP
+bool netman::start() {
+    if (_pass == "8characters") {
+        display.clearDisplay();
+        display.setCursor(0, 0);
+        display.println("Using default pass:");
+        display.println("8characters");
+        display.display(); 
+    }
+    return tryConnect() || (createAP(), false);
+}
+
+// Attempt connection to each saved SSID in order
+bool netman::tryConnect() {
+    readConfig();
+    for (auto const& item : _ssids) {
+        if (tryConnectToSsid(item.first.c_str(), item.second.c_str())) {
+            return true;
+        }
+    }
+    return false;
+}
+
+// Attempt to connect to a specific SSID with timeout, dot animation, and IP display
+bool netman::tryConnectToSsid(const char* ssid, const char* pass) {
+    WiFi.begin(ssid, pass);
+    unsigned long start = millis();
+
+    // Clear display and set initial message
+    display.clearDisplay();
+    display.setCursor(0, 0);
+    display.println("Connecting to WiFi:");
+    display.setCursor(0, 11);
+    display.println(String(ssid));
+    display.display();
+
+    int dotCount = 0;
+    while (millis() - start < connectionTimeout) {
+        delay(500);
+
+        // Check WiFi connection status
+        if (WiFi.status() == WL_CONNECTED) {
+            // Success message with IP address
+            display.clearDisplay();
+            display.setCursor(0, 0);
+            display.println("Connected!");
+            display.setCursor(0, 12);
+            display.print("IP: ");
+            display.println(WiFi.localIP());
+            display.display();
+            delay(500);
+            return true;
+        }
+
+        // Animate by adding dots
+        display.setCursor(0, 20);
+        for (int i = 0; i < dotCount; i++) {
+            display.print(".");
+        }
+        display.display();
+        dotCount = (dotCount + 1);
+    }
+
+    // Connection failed
+    display.clearDisplay();
+    display.setCursor(0, 0);
+    display.println("Connection failed.");
+    display.display();
+    WiFi.disconnect();
+    return false;
+}
+
+// Setup Access Point with DNS and HTTP server
+void netman::createAP() {
+    WiFi.softAPdisconnect(true);
+    WiFi.mode(WIFI_AP);
+    WiFi.softAP(_ssid.c_str(), _pass.c_str(), 1, _hidden);
+
+    display.clearDisplay();
+    display.setCursor(0, 0);
+    display.println("AccessPoint created");
+    display.setCursor(0, 14);
+    display.println("SSID:");
+    display.setCursor(0, 24);
+    display.setTextSize(1);
+    display.println(_ssid.c_str());
+    display.setTextSize(1);
+    display.setCursor(0, 40);
+    display.println("Config portal:");
+    display.setCursor(0, 50);
+    display.print("http://");
+    display.println(WiFi.softAPIP().toString());
+    display.display(); 
+
+    server.reset(new ESP8266WebServer(80));
+    DNSServer dnsServer;
+    dnsServer.start(53, "*", WiFi.softAPIP());
+
+    server->on("/", std::bind(&netman::handleRoot, this));
+    server->on("/add", std::bind(&netman::handleAdd, this));
+    server->on("/remove", std::bind(&netman::handleRemove, this));
+    server->on("/select", std::bind(&netman::handleSelect, this));
+
+    server->begin();
+
+    while (true) {
+        dnsServer.processNextRequest();
+        server->handleClient();
+        delay(10);
+    }
+}
+
+// Redirect to AP IP if not accessed directly
+bool netman::redirectToIp() {
+    if (server->hostHeader() == WiFi.softAPIP().toString()) {
+        return false;
+    }
+    server->sendHeader("Location", "http://" + WiFi.softAPIP().toString(), true);
+    server->send(302, "text/plain", "");
+    server->client().stop();
+    return true;
+}
+
+// Modify the addSsid function to take parameters from the `select` page
+void netman::addSsid(String ssid, String password) {
+    _ssids[ssid] = password;
+    writeConfig();
+
+    // Attempt to connect to the selected network
+    if (tryConnectToSsid(ssid.c_str(), password.c_str())) {
+        // Redirect to the main page on success
+        server->sendHeader("Location", "/", true);
+        server->send(302, "text/plain", "");
+    } else {
+        // Show error message if connection failed
+        server->send(200, "text/html", "<html><body><h2>Connection failed. Please try again.</h2></body></html>");
+    }
+}
+
+// Remove SSID from config
+void netman::removeSsid(String ssid, String password) {
+    if (_ssids.count(ssid) && _ssids[ssid] == password) {
+        _ssids.erase(ssid);
+        writeConfig();
+    }
+}
+
+// Handle file-based config loading
+void netman::readConfig() {
+    _ssids.clear();
+    File file = LittleFS.open(configFile, "r");
+    if (!file) {
+        display.clearDisplay();
+        display.setCursor(0, 0);
+        display.println("Config not found");
+        display.display(); 
+        return;
+    }
+    
+    while (file.available()) {
+        String ssid = file.readStringUntil('\n');
+        ssid.trim();
+        String pass = file.readStringUntil('\n');
+        pass.trim();
+        _ssids[ssid] = pass;
+    }
+    file.close();
+}
+
+// Handle file-based config saving
+void netman::writeConfig() {
+    File file = LittleFS.open(configFile, "w");
+    for (const auto& item : _ssids) {
+        file.println(item.first);
+        file.println(item.second);
+    }
+    file.close();
+}
+
+// Reset configuration
+void netman::reset() {
+    LittleFS.remove(configFile);
+    _ssids.clear();
+}
+
+String urlEncode(const String &str) {
+    String encoded = "";
+    char c;
+    for (size_t i = 0; i < str.length(); i++) {
+        c = str.charAt(i);
+        if (isalnum(c)) {
+            encoded += c;
+        } else {
+            encoded += '%';
+            char buf[3];
+            snprintf(buf, sizeof(buf), "%02X", c);
+            encoded += buf;
+        }
+    }
+    return encoded;
+}
+
+void netman::handleRoot() {
+    if (redirectToIp()) return;
+
+    // Scan for available networks
+    int n = WiFi.scanNetworks();
+    String result = beginHtml;
+
+    // Add stored SSIDs to the page
+    result += "<h3>Saved Networks</h3>";
+    for (const auto& item : _ssids) {
+        result += "<tr><td><button onclick=\"location.href='/remove?ssid=' + escape('" + item.first + "') + '&pass=' + escape('" + item.second + "') \">&times;</button></td><td>" + item.first + "</td><td>-</td><td>" + item.second + "</td></tr>";
+    }
+
+    // Display available WiFi networks
+    result += "</tbody></table><h3>Available Networks</h3><table><tbody>";
+    for (int i = 0; i < n; i++) {
+        // Get SSID and signal strength
+        String ssid = WiFi.SSID(i);
+        int rssi = WiFi.RSSI(i);
+        bool openNetwork = (WiFi.encryptionType(i) == ENC_TYPE_NONE);
+
+        // Show network with button to select
+        result += "<tr><td><button onclick=\"location.href='/select?ssid=" + urlEncode(ssid) + "'\">" + ssid + "</button></td><td>" + (openNetwork ? "(Open)" : "(Secured)") + "</td><td>" + String(rssi) + " dBm</td></tr>";
+    }
+    result += endHtml;
+    server->send(200, "text/html", result);
+}
+
+void netman::handleAdd() {
+    server->send(200, "text/html", "The ESP will now reboot.");
+    addSsid(server->arg("ssid"), server->arg("pass"));
+    delay(500);
+    ESP.restart();
+}
+
+void netman::handleRemove() {
+    removeSsid(server->arg("ssid"), server->arg("pass"));
+    handleRoot();
+}
+
+// Add SSID to config and save
+void netman::handleSelect() {
+    String ssid = server->arg("ssid");
+    String selectPage = "<!DOCTYPE html><html lang='en'><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width, initial-scale=1.0'><title>Connect to " + ssid + "</title><style>body{font-family:Arial,sans-serif;background-color:#f4f4f9;color:#333;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}.container{width:100%;max-width:300px;padding:20px;background:#fff;border-radius:10px;box-shadow:0 4px 8px rgba(0,0,0,0.2);box-sizing:border-box}h2{margin-top:0;text-align:center;color:#0073e6}label{display:block;margin-bottom:5px;font-weight:bold}input[type='password']{width:100%;padding:8px;margin-bottom:15px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box}button{width:100%;padding:10px;background-color:#0073e6;color:white;border:none;border-radius:4px;cursor:pointer;font-size:16px}button:hover{background-color:#005bb5}</style></head><body><div class='container'><h2>Connect to " + ssid + "</h2><form action='/add' method='get'><input type='hidden' name='ssid' value='" + ssid + "'><label for='pass'>Password:</label><input id='pass' type='password' name='pass' placeholder='Enter Password'><button type='submit'>Connect</button></form></div></body></html>";
+    server->send(200, "text/html", selectPage);
+}

src/octoprint.h

@@ -7,56 +7,192 @@
 #include "tunes.h"
 
 void playTune(int tuneNumber);
-
 WiFiClient client;
 
-String printerOperational;
-String printerPaused;
-String printerPrinting;
-String printerReady;
-String printerText;
-String printerHotend;
-String printerTarget;
-String payload;
-
-OctoprintApi api(client, OCTOPRINT_HOST, OCTOPRINT_PORT, OCTOPRINT_API_KEY);
+OctoprintApi octoprint(client, (const char*)OCTOPRINT_HOST, OCTOPRINT_PORT, OCTOPRINT_API_KEY);
+unsigned long octoprint_mtbs = OCTOPRINT_API_REFRESH_INTERVAL;
+unsigned long octoprint_lasttime = 0;
 
 bool displayOctoPrintVersion(Adafruit_SSD1306& display) {
+    const int maxRetries = 3;  // Maximum number of attempts
+    int attempts = 0;
+
+    // Initial display of connecting message with host and port
     display.clearDisplay();
     display.setCursor(0, 0);
     display.setTextSize(1);
     display.setTextColor(WHITE);
-    display.print("Fetching OctoPrint Version...");
-    display.display(); // Show loading message
+    display.print("Connecting to");
+    display.setCursor(0, 10);
+    display.print("OctoPrint");
+    display.setCursor(0, 25);
+    display.print("Host: ");
+    display.print(OCTOPRINT_HOST);
+    display.setCursor(0, 35);
+    display.print("Port: ");
+    display.print(OCTOPRINT_PORT);
+    display.display();
 
-    // Attempt to fetch the OctoPrint version
-    if (api.getOctoprintVersion()) {
+    delay(500);  // Delay to allow message display before attempting connection
+
+    // Attempt to connect up to maxRetries times
+    while (attempts < maxRetries) {
+        if (octoprint.getOctoprintVersion()) {
+            // Connection successful; display version information
+            display.clearDisplay();
+            display.setCursor(0, 0);
+            display.setTextSize(1);
+            display.setTextColor(WHITE);
+            display.print("OctoPrint Version:");
+            display.setCursor(0, 10);
+            display.setTextSize(2);
+            display.print(octoprint.octoprintVer.octoprintServer);
+            display.display();
+            playTune(2);  // Success tune
+            return true;  // Exit function, indicating success
+        }
+
+        attempts++;  // Increment attempt count
+
+        // If the connection attempt fails, clear the display and show retry status
         display.clearDisplay();
         display.setCursor(0, 0);
         display.setTextSize(1);
         display.setTextColor(WHITE);
-
-        display.print("OctoPrint Version:");
+        display.print("Retry ");
+        display.print(attempts);
+        display.print(" of ");
+        display.print(maxRetries);
         display.setCursor(0, 10);
-        display.setTextSize(2); // Larger text for version
-        display.print(api.octoprintVer.octoprintServer);
-
-        display.display(); // Update the display
-        playTune(2);
-        return true; // Indicate success
-    } else {
-        display.clearDisplay();
-        display.setCursor(0, 0);
-        display.setTextSize(1);
-        display.setTextColor(WHITE);
-        display.print("Failed to get");
-        display.setCursor(0, 10);
-        display.print("OctoPrint version.");
+        display.print("Failed to connect.");
         display.display();
-        
-        // Optionally, add a short delay to show the error
-        playTune(3);
-        return false; // Indicate failure
+        delay(5000);  // Wait before retrying
     }
-    delay(1000);
+
+    // If all attempts fail, display final failure message
+    display.clearDisplay();
+    display.setCursor(0, 0);
+    display.setTextSize(1);
+    display.setTextColor(WHITE);
+    display.print("Failed to get");
+    display.setCursor(0, 10);
+    display.print("OctoPrint version.");
+    display.display();
+    playTune(3);  // Failure tune
+    return false;
+}
+
+int scrollPos = 0;         // Global variable to keep track of the scroll position
+int scrollDirection = 1;       // 1 for left, -1 for right
+unsigned long lastScrollTime = 0; // To control the scroll speed
+const int scrollDelay = 100; // Delay in milliseconds between scroll updates
+
+bool fetchPrintingStatus(Adafruit_SSD1306& display) {
+    // Fetch printer statistics and update the display every octoprint_mtbs milliseconds
+    if ((millis() - octoprint_lasttime > octoprint_mtbs || octoprint_lasttime == 0) && !is_display_off) {
+        if (octoprint.getPrinterStatistics() && octoprint.getPrintJob()) {
+            // Update last fetch time
+            octoprint_lasttime = millis();
+        } else {
+            Serial.println("Failed to fetch printer statistics.");
+            return false;
+        }
+    }
+
+    // Regardless of whether the fetch was successful, continue with the display updates
+    display.clearDisplay();
+    display.setCursor(0, 0);
+    display.setTextSize(1);
+    display.setTextColor(WHITE);
+    
+    // Display lines
+    display.println(octoprint.printerStats.printerState);
+    display.drawLine(0, 10, 127, 10, WHITE);
+    display.drawLine(63, 10, 63, 22, WHITE);
+    display.drawLine(0, 22, 127, 22, WHITE);
+
+    // Display nozzle and bed temperature
+    display.drawBitmap(10, 13, bitmap_nozzle, 8, 8, WHITE);
+    display.setCursor(21, 13);
+    display.print(octoprint.printerStats.printerTool0TempActual);
+    display.drawBitmap(74, 13, bitmap_bed, 8, 8, WHITE);
+    display.setCursor(85, 13);
+    display.print(octoprint.printerStats.printerBedTempActual);
+
+    // Estimated print time in HH:MM:SS format
+    int estrunHours = octoprint.printJob.estimatedPrintTime / 3600;
+    int estsecsRemaining = octoprint.printJob.estimatedPrintTime % 3600;
+    int estrunMinutes = estsecsRemaining / 60;
+    int estrunSeconds = estsecsRemaining % 60;
+    char estbuf[31];
+    sprintf(estbuf, "%02d:%02d:%02d", estrunHours, estrunMinutes, estrunSeconds);
+    display.setCursor(80, 0);
+    display.println(estbuf);
+
+    // Display and scroll the file name
+    const char* fileName = octoprint.printJob.jobFileName.c_str(); // Convert to const char*
+    int fileNameWidth = strlen(fileName) * 6;                // Approximate width of the file name in pixels
+    int displayWidth = 127;
+
+    // Clear the area for the file name to avoid overlap
+    display.fillRect(0, 26, displayWidth, 11, BLACK);
+
+    // Check if it’s time to scroll based on the delay
+    if(fileNameWidth > displayWidth) {
+        if (millis() - lastScrollTime > scrollDelay) {
+            // Update scroll position based on the current direction
+            scrollPos += scrollDirection;
+            lastScrollTime = millis();
+
+            // Reverse direction if the text reaches either edge
+            if (scrollPos > 0) { // Reached the left edge
+                scrollDirection = -1; // Start moving left
+            } else if (scrollPos < -fileNameWidth + displayWidth) { // Reached the right edge
+                scrollDirection = 1; // Start moving right
+            }
+        }
+    }
+    // Draw the file name with current scroll position
+    display.setCursor(scrollPos, 27);
+    display.print(fileName);
+
+    // Clear the area for "Time left" display before printing
+    display.fillRect(0, 35, displayWidth, 9, BLACK); // Clear area for "Time left"
+    // Print time left in HH:MM:SS
+    int runHours = octoprint.printJob.progressPrintTimeLeft / 3600;
+    int secsRemaining = octoprint.printJob.progressPrintTimeLeft % 3600;
+    int runMinutes = secsRemaining / 60;
+    int runSeconds = secsRemaining % 60;
+    char buf[31];
+    sprintf(buf, "Time left: %02d:%02d:%02d", runHours, runMinutes, runSeconds);
+    display.setCursor(0, 42);
+    display.println(buf);
+
+    // Progress bar and percentage
+    const float temp_percent = floor(octoprint.printJob.progressCompletion * 100) / 100;
+    int barY = 52;      // Position just above the bottom of a 64-pixel-high display
+    int barWidth = 127; // Full width of the display
+    int barHeight = 12; // Set the height of the progress bar to 12 pixels
+    int filledWidth = (temp_percent / 100.0) * barWidth;
+
+    // Draw the progress bar
+    display.drawRect(0, barY, barWidth, barHeight, WHITE);    // Outline of the bar
+    display.fillRect(0, barY, filledWidth, barHeight, WHITE); // Filled portion
+    
+    // Display centered percentage text in the progress bar
+    char percentText[6];
+    sprintf(percentText, "%.0f%%", temp_percent);
+    int textWidth = strlen(percentText) * 6;  // Approximate text width
+    int textX = (barWidth - textWidth) / 2;   // Center the text horizontally
+    int textY = barY + (barHeight - 8) / 2;   // Center the text vertically within the bar
+    
+    // Clear the area for text and print centered percentage
+    display.fillRect(textX - 1, textY -1, textWidth + 2, 10, BLACK);
+    display.setCursor(textX, textY);
+    display.print(percentText);
+    display.drawLine(0, 38, 127, 38, WHITE);
+
+    display.display();
+
+    return true; // Return true to indicate the display was updated
 }

src/tunes.h

@@ -44,3 +44,9 @@ void playTune(int tuneIndex) {
         noTone(PIN_BUZZER); // Stop the tone
     }
 }
+
+void beep(int buzz) {
+    tone(PIN_BUZZER, buzz, 100);
+    delay(100);
+    noTone(PIN_BUZZER);
+}