248 lines
8.5 KiB
C++
248 lines
8.5 KiB
C++
#include <WiFi.h>
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#include <EEPROM.h>
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#include <HTTPClient.h>
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#include <WebServer.h>
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#include "esp_mac.h"
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//ver 1.03
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// Constants for Access Point mode
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const char* ap_ssid = "ESP32-AP";
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const char* ap_password = "12345678";
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// Pin definitions
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const int userLedPin = 8;
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const int buttonPin = 0;
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const int relayPins[4] = {10, 11, 22, 23};
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const int inputPins[4] = {1, 2, 3, 15};
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// Create a WebServer on port 80
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WebServer server(80);
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// Variables to store WiFi settings
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String ssid, password, static_ip, netmask, gateway, dns, hostname;
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String logServerIP, logServerPort;
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bool isAPMode = false;
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// Variable to keep track of the last log time
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unsigned long lastLogTime = 0;
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// Function to send logs to the log server
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void sendLog(String message) {
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if (WiFi.status() == WL_CONNECTED && logServerIP.length() > 0 && logServerPort.length() > 0) {
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HTTPClient http;
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String url = "http://" + logServerIP + ":" + logServerPort + "/log";
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http.begin(url);
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http.addHeader("Content-Type", "application/json");
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String payload = "{\"hostname\": \"" + hostname + "\", \"ip_address\": \"" + WiFi.localIP().toString() + "\", \"message\": \"" + message + "\"}";
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int httpResponseCode = http.POST(payload);
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http.end();
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if (httpResponseCode > 0) {
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Serial.println("Log sent successfully: " + message);
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} else {
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Serial.println("Error sending log: " + message);
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}
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}
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}
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// Handle the root URL ("/") and serve the configuration page
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void handleRoot() {
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String macAddress = getDefaultMacAddress();
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String html = "<!DOCTYPE html><html><head><title>Configuration</title>";
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html += "<style>body { font-family: Arial, sans-serif; background-color: #f4f4f9; margin: 0; padding: 0; }";
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html += ".container { max-width: 600px; margin: 50px auto; padding: 20px; background-color: #fff; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); }";
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html += "h2 { text-align: center; color: #333; } form { display: flex; flex-direction: column; }";
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html += "label { margin-bottom: 10px; color: #555; } input[type='text'], input[type='password'] { padding: 10px; margin-bottom: 20px; border: 1px solid #ccc; border-radius: 4px; }";
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html += "input[type='submit'] { padding: 10px; background-color: #28a745; color: #fff; border: none; border-radius: 4px; cursor: pointer; }";
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html += "input[type='submit']:hover { background-color: #218838; } button { padding: 10px; background-color: #007bff; color: #fff; border: none; border-radius: 4px; cursor: pointer; margin: 5px; }";
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html += "button:hover { background-color: #0056b3; }</style></head><body>";
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if (isAPMode) {
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html += "<div class='container'><h2>Board Configuration</h2>";
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html += "<form action='/save' method='POST'>";
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html += "<label for='ssid'>SSID:</label><input type='text' id='ssid' name='ssid' value='" + ssid + "'><br>";
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html += "<label for='password'>Password:</label><input type='password' id='password' name='password' value='" + password + "'><br>";
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html += "<label for='static_ip'>Static IP:</label><input type='text' id='static_ip' name='static_ip' value='" + static_ip + "'><br>";
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html += "<label for='netmask'>Netmask:</label><input type='text' id='netmask' name='netmask' value='" + netmask + "'><br>";
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html += "<label for='gateway'>Gateway:</label><input type='text' id='gateway' name='gateway' value='" + gateway + "'><br>";
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html += "<label for='dns'>DNS:</label><input type='text' id='dns' name='dns' value='" + dns + "'><br>";
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html += "<label for='hostname'>Hostname:</label><input type='text' id='hostname' name='hostname' value='" + hostname + "'><br>";
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html += "<label for='log_server_ip'>Log Server IP:</label><input type='text' id='log_server_ip' name='log_server_ip' value='" + logServerIP + "'><br>";
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html += "<label for='log_server_port'>Log Server Port:</label><input type='text' id='log_server_port' name='log_server_port' value='" + logServerPort + "'><br>";
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html += "<label for='mac_address'>MAC Address:</label><input type='text' id='mac_address' name='mac_address' value='" + macAddress + "' readonly><br>";
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html += "<input type='submit' value='Save'></form></div>";
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}
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html += "</body></html>";
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server.send(200, "text/html", html);
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}
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// Handle the save URL ("/save") and save the WiFi settings
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void handleSave() {
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ssid = server.arg("ssid");
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password = server.arg("password");
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static_ip = server.arg("static_ip");
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netmask = server.arg("netmask");
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gateway = server.arg("gateway");
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dns = server.arg("dns");
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hostname = server.arg("hostname");
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logServerIP = server.arg("log_server_ip");
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logServerPort = server.arg("log_server_port");
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saveSettings();
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server.send(200, "text/html", "Settings saved. Device will restart in client mode.");
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delay(2000);
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ESP.restart();
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}
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// Handle the relay control URL ("/relay") and control the relays
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void handleRelay() {
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int relay = server.arg("relay").toInt() - 1; // Adjust for zero-based index
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String action = server.arg("action");
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if (relay >= 0 && relay < 4) {
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if (action == "on") {
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digitalWrite(relayPins[relay], HIGH);
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sendLog("Relay " + String(relay + 1) + " turned ON");
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} else if (action == "off") {
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digitalWrite(relayPins[relay], LOW);
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sendLog("Relay " + String(relay + 1) + " turned OFF");
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}
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}
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server.sendHeader("Location", "/");
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server.send(303);
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}
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// Save the WiFi settings to EEPROM
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void saveSettings() {
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EEPROM.writeString(0, ssid);
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EEPROM.writeString(32, password);
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EEPROM.writeString(64, static_ip);
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EEPROM.writeString(96, netmask);
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EEPROM.writeString(128, gateway);
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EEPROM.writeString(160, dns);
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EEPROM.writeString(192, hostname);
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EEPROM.writeString(224, logServerIP);
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EEPROM.writeString(256, logServerPort);
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EEPROM.commit();
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}
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// Load the WiFi settings from EEPROM
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void loadSettings() {
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ssid = EEPROM.readString(0);
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password = EEPROM.readString(32);
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static_ip = EEPROM.readString(64);
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netmask = EEPROM.readString(96);
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gateway = EEPROM.readString(128);
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dns = EEPROM.readString(160);
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hostname = EEPROM.readString(192);
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logServerIP = EEPROM.readString(224);
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logServerPort = EEPROM.readString(256);
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}
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// Get the default MAC address of the ESP32
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String getDefaultMacAddress() {
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String mac = "";
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unsigned char mac_base[6] = {0};
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if (esp_efuse_mac_get_default(mac_base) == ESP_OK) {
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char buffer[18];
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sprintf(buffer, "%02X:%02X:%02X:%02X:%02X:%02X", mac_base[0], mac_base[1], mac_base[2], mac_base[3], mac_base[4], mac_base[5]);
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mac = buffer;
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}
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return mac;
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}
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void setup() {
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Serial.begin(115200);
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EEPROM.begin(512);
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pinMode(userLedPin, OUTPUT);
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digitalWrite(userLedPin, LOW);
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pinMode(buttonPin, INPUT_PULLUP);
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for (int i = 0; i < 4; i++) {
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pinMode(relayPins[i], OUTPUT);
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digitalWrite(relayPins[i], LOW);
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pinMode(inputPins[i], INPUT_PULLUP);
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}
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loadSettings();
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WiFi.softAPdisconnect(true);
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if (digitalRead(buttonPin) == LOW || ssid.length() == 0) {
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startAPMode();
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} else {
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connectToWiFi();
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}
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}
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void loop() {
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server.handleClient();
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if (millis() - lastLogTime >= 30000) {
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sendLog("Board is functioning");
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lastLogTime = millis();
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}
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}
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void startAPMode() {
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WiFi.softAP(ap_ssid, ap_password);
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Serial.println("Access Point Started");
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Serial.print("IP Address: ");
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Serial.println(WiFi.softAPIP());
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server.on("/", handleRoot);
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server.on("/save", handleSave);
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server.on("/relay", handleRelay);
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server.begin();
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isAPMode = true;
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}
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void connectToWiFi() {
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IPAddress ip, gw, nm, dnsServer;
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if (!ip.fromString(static_ip) || !gw.fromString(gateway) || !nm.fromString(netmask) || !dnsServer.fromString(dns)) {
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startAPMode();
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return;
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}
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WiFi.config(ip, gw, nm, dnsServer);
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WiFi.setHostname(hostname.c_str());
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WiFi.begin(ssid.c_str(), password.c_str());
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unsigned long startTime = millis();
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while (WiFi.status() != WL_CONNECTED) {
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if (millis() - startTime >= 10000) {
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startAPMode();
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return;
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}
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delay(500);
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}
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Serial.println("Connected to WiFi.");
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Serial.print("IP Address: ");
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Serial.println(WiFi.localIP());
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Serial.print("Hostname: ");
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Serial.println(WiFi.getHostname());
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digitalWrite(userLedPin, HIGH);
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isAPMode = false;
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startWebServer();
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}
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void startWebServer() {
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server.on("/", handleRoot);
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server.on("/save", handleSave);
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server.on("/relay", handleRelay);
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server.begin();
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}
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void blinkLed() {
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static unsigned long lastBlinkTime = 0;
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static bool ledState = LOW;
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unsigned long interval = isAPMode ? 1000 : 3000;
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if (millis() - lastBlinkTime >= interval) {
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ledState = !ledState;
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digitalWrite(userLedPin, ledState);
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lastBlinkTime = millis();
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}
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} |