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

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Reviewed-on: https://git.kopic.hr/tomislav/OctoCube/pulls/1
This commit is contained in:
Tomislav Kopić 2024-11-05 19:43:37 +00:00
commit 987719caa7
6 changed files with 358 additions and 64 deletions
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9
.vscode/settings.json vendored Normal file
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@ -0,0 +1,9 @@
{
"files.associations": {
"*.page-template": "vue",
"*.layout-template": "vue",
"*.vue": "vue",
"*.tcc": "cpp",
"functional": "cpp"
}
}

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

45
src/functions.h
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@ -38,51 +38,6 @@ void initSystems() {
display.display(); display.display();
} }
// Connect to WiFi
void connectToWifi() {
display.clearDisplay();
display.setCursor(0, 0);
display.println("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);
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();
beep(800);
} 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() { void commonButtonHandler() {
unsigned long currentMillis = millis(); unsigned long currentMillis = millis();
static unsigned long leftPressStart = 0; static unsigned long leftPressStart = 0;

6
src/main.cpp
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@ -3,17 +3,17 @@
#include <Wire.h> #include <Wire.h>
#include <Adafruit_GFX.h> #include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h> #include <Adafruit_SSD1306.h>
#include "netman.h"
#include "functions.h" #include "functions.h"
#include "bitmaps.h" #include "bitmaps.h"
#include "octoprint.h" #include "octoprint.h"
void setup() { void setup() {
initSystems(); initSystems();
netman netman(display);
playTune(1); playTune(1);
connectToWifi(); netman.start();
displayOctoPrintVersion(display); displayOctoPrintVersion(display);
} }
void loop() { void loop() {

333
src/netman.h Normal file
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@ -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);
}

3
src/octoprint.h
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@ -138,6 +138,7 @@ bool fetchPrintingStatus(Adafruit_SSD1306& display) {
display.fillRect(0, 26, displayWidth, 11, BLACK); display.fillRect(0, 26, displayWidth, 11, BLACK);
// Check if it’s time to scroll based on the delay // Check if it’s time to scroll based on the delay
if(fileNameWidth > displayWidth) {
if (millis() - lastScrollTime > scrollDelay) { if (millis() - lastScrollTime > scrollDelay) {
// Update scroll position based on the current direction // Update scroll position based on the current direction
scrollPos += scrollDirection; scrollPos += scrollDirection;
@ -150,7 +151,7 @@ bool fetchPrintingStatus(Adafruit_SSD1306& display) {
scrollDirection = 1; // Start moving right scrollDirection = 1; // Start moving right
} }
} }
}
// Draw the file name with current scroll position // Draw the file name with current scroll position
display.setCursor(scrollPos, 27); display.setCursor(scrollPos, 27);
display.print(fileName); display.print(fileName);