386 lines
14 KiB
Plaintext
386 lines
14 KiB
Plaintext
#include <WiFi.h> // Include the WiFi library for ESP32
|
|
#include <WebServer.h> // Include the WebServer library for ESP32
|
|
#include <EEPROM.h> // Include the EEPROM library for storing WiFi settings
|
|
#include <WiFiManager.h> // Include the WiFiManager library for managing WiFi connections
|
|
#include "esp_mac.h" // Include the esp_mac library for MAC address functions
|
|
#include <HTTPClient.h> // Include the HTTPClient library for sending logs
|
|
|
|
// Version of the code
|
|
//ver 0.0.11
|
|
|
|
// Constants for Access Point mode
|
|
const char* ap_ssid = "ESP32-AP"; // SSID for the Access Point mode
|
|
const char* ap_password = "12345678"; // Password for the Access Point mode
|
|
|
|
// Pin definitions
|
|
const int userLedPin = 8; // Define the pin for the user LED
|
|
const int buttonPin = 0; // Define the pin for the button
|
|
const int relayPins[4] = {10, 11, 22, 23}; // Define the pins for the relays
|
|
const int inputPins[4] = {1, 2, 3, 15}; // Define the pins for the inputs
|
|
|
|
// Create a web server on port 80
|
|
WebServer server(80);
|
|
|
|
// Variables to store WiFi settings
|
|
String ssid, password, static_ip, netmask, gateway, hostname;
|
|
String logServerIP, logServerPort;
|
|
bool isAPMode = false; // Flag to indicate if the board is in AP mode
|
|
|
|
// Variable to keep track of the last status print time
|
|
unsigned long lastStatusPrintTime = 0;
|
|
unsigned long lastLogTime = 0; // Variable to keep track of the last log time
|
|
|
|
// Function to send logs to the log server
|
|
void sendLog(String message) {
|
|
if (WiFi.status() == WL_CONNECTED && logServerIP.length() > 0 && logServerPort.length() > 0) {
|
|
HTTPClient http;
|
|
String url = "http://" + logServerIP + ":" + logServerPort + "/log";
|
|
http.begin(url);
|
|
http.addHeader("Content-Type", "application/json");
|
|
String payload = "{\"hostname\": \"" + hostname + "\", \"message\": \"" + message + "\"}";
|
|
int httpResponseCode = http.POST(payload);
|
|
http.end();
|
|
if (httpResponseCode > 0) {
|
|
Serial.println("Log sent successfully: " + message);
|
|
} else {
|
|
Serial.println("Error sending log: " + message);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Handle the root URL ("/") and serve the configuration page
|
|
void handleRoot() {
|
|
// Get the default MAC address of the ESP32
|
|
String macAddress = getDefaultMacAddress();
|
|
|
|
// Start building the HTML response
|
|
String html = "<!DOCTYPE html><html><head><title>Configuration</title>";
|
|
html += "<style>";
|
|
html += "body { font-family: Arial, sans-serif; background-color: #f4f4f9; margin: 0; padding: 0; }";
|
|
html += ".container { max-width: 600px; margin: 50px auto; padding: 20px; background-color: #fff; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); }";
|
|
html += "h2 { text-align: center; color: #333; }";
|
|
html += "form { display: flex; flex-direction: column; }";
|
|
html += "label { margin-bottom: 10px; color: #555; }";
|
|
html += "input[type='text'], input[type='password'] { padding: 10px; margin-bottom: 20px; border: 1px solid #ccc; border-radius: 4px; }";
|
|
html += "input[type='submit'] { padding: 10px; background-color: #28a745; color: #fff; border: none; border-radius: 4px; cursor: pointer; }";
|
|
html += "input[type='submit']:hover { background-color: #218838; }";
|
|
html += "button { padding: 10px; background-color: #007bff; color: #fff; border: none; border-radius: 4px; cursor: pointer; margin: 5px; }";
|
|
html += "button:hover { background-color: #0056b3; }";
|
|
html += "</style></head><body>";
|
|
|
|
// If in AP mode, show the configuration form
|
|
if (isAPMode) {
|
|
html += "<div class='container'><h2>Board Configuration</h2>";
|
|
html += "<form action='/save' method='POST'>";
|
|
html += "<label for='ssid'>SSID:</label>";
|
|
html += "<input type='text' id='ssid' name='ssid' value='" + ssid + "'><br>";
|
|
html += "<label for='password'>Password:</label>";
|
|
html += "<input type='password' id='password' name='password' value='" + password + "'><br>";
|
|
html += "<label for='static_ip'>Static IP:</label>";
|
|
html += "<input type='text' id='static_ip' name='static_ip' value='" + static_ip + "'><br>";
|
|
html += "<label for='netmask'>Netmask:</label>";
|
|
html += "<input type='text' id='netmask' name='netmask' value='" + netmask + "'><br>";
|
|
html += "<label for='gateway'>Gateway:</label>";
|
|
html += "<input type='text' id='gateway' name='gateway' value='" + gateway + "'><br>";
|
|
html += "<label for='hostname'>Hostname:</label>";
|
|
html += "<input type='text' id='hostname' name='hostname' value='" + hostname + "'><br>";
|
|
html += "<label for='log_server_ip'>Log Server IP:</label>";
|
|
html += "<input type='text' id='log_server_ip' name='log_server_ip' value='" + logServerIP + "'><br>";
|
|
html += "<label for='log_server_port'>Log Server Port:</label>";
|
|
html += "<input type='text' id='log_server_port' name='log_server_port' value='" + logServerPort + "'><br>";
|
|
html += "<label for='mac_address'>MAC Address:</label>";
|
|
html += "<input type='text' id='mac_address' name='mac_address' value='" + macAddress + "' readonly><br>";
|
|
html += "<input type='submit' value='Save'>";
|
|
html += "</form></div>";
|
|
}
|
|
|
|
// If connected to WiFi, show connection information and relay/input status
|
|
if (WiFi.status() == WL_CONNECTED) {
|
|
html += "<div class='container'><h2>Connection Info</h2>";
|
|
html += "<p>Status: Connected</p>";
|
|
html += "<p>IP Address: " + WiFi.localIP().toString() + "</p>";
|
|
html += "<p>Hostname: " + hostname + "</p>";
|
|
html += "</div>";
|
|
|
|
// Add relay status with control buttons
|
|
html += "<div class='container'><h2>Relay Status</h2>";
|
|
for (int i = 0; i < 4; i++) {
|
|
html += "<div class='container'><h3>Relay " + String(i + 1) + "</h3>";
|
|
html += "<p>Status: " + String(digitalRead(relayPins[i]) == HIGH ? "ON" : "OFF") + "</p>";
|
|
html += "<form action='/relay' method='POST'>";
|
|
html += "<input type='hidden' name='relay' value='" + String(i) + "'>";
|
|
html += "<button type='submit' name='action' value='on'>Turn ON</button>";
|
|
html += "<button type='submit' name='action' value='off'>Turn OFF</button>";
|
|
html += "</form></div>";
|
|
}
|
|
|
|
// Add input status
|
|
html += "<div class='container'><h2>Input Status</h2>";
|
|
for (int i = 0; i < 4; i++) {
|
|
html += "<div class='container'><h3>Input " + String(i + 1) + "</h3>";
|
|
html += "<p>Status: " + String(digitalRead(inputPins[i]) == LOW ? "Pressed" : "Not Pressed") + "</p>";
|
|
html += "</div>";
|
|
}
|
|
} else {
|
|
// If not connected to WiFi, show not connected message
|
|
html += "<div class='container'><h2>Connection Info</h2>";
|
|
html += "<p>Status: Not Connected</p>";
|
|
html += "</div>";
|
|
}
|
|
|
|
// End the HTML response
|
|
html += "</body></html>";
|
|
|
|
// Send the HTML response to the client
|
|
server.send(200, "text/html", html);
|
|
}
|
|
|
|
// Handle the save URL ("/save") and save the WiFi settings
|
|
void handleSave() {
|
|
// Get the WiFi settings from the form
|
|
ssid = server.arg("ssid");
|
|
password = server.arg("password");
|
|
static_ip = server.arg("static_ip");
|
|
netmask = server.arg("netmask");
|
|
gateway = server.arg("gateway");
|
|
hostname = server.arg("hostname");
|
|
logServerIP = server.arg("log_server_ip");
|
|
logServerPort = server.arg("log_server_port");
|
|
|
|
// Save the WiFi settings to EEPROM
|
|
saveSettings();
|
|
|
|
// Send a response to the client and restart the device
|
|
server.send(200, "text/html", "Settings saved. Device will restart in client mode.");
|
|
delay(2000);
|
|
ESP.restart();
|
|
}
|
|
|
|
// Handle the relay control URL ("/relay") and control the relays
|
|
void handleRelay() {
|
|
// Get the relay index and action from the form
|
|
int relay = server.arg("relay").toInt();
|
|
String action = server.arg("action");
|
|
|
|
// Control the relay based on the action
|
|
if (relay >= 0 && relay < 4) {
|
|
if (action == "on") {
|
|
digitalWrite(relayPins[relay], HIGH);
|
|
sendLog("Relay " + String(relay + 1) + " turned ON");
|
|
} else if (action == "off") {
|
|
digitalWrite(relayPins[relay], LOW);
|
|
sendLog("Relay " + String(relay + 1) + " turned OFF");
|
|
}
|
|
}
|
|
|
|
// Redirect the client back to the root URL
|
|
server.sendHeader("Location", "/");
|
|
server.send(303);
|
|
}
|
|
|
|
// Save the WiFi settings to EEPROM
|
|
void saveSettings() {
|
|
EEPROM.writeString(0, ssid);
|
|
EEPROM.writeString(32, password);
|
|
EEPROM.writeString(64, static_ip);
|
|
EEPROM.writeString(96, netmask);
|
|
EEPROM.writeString(128, gateway);
|
|
EEPROM.writeString(160, hostname);
|
|
EEPROM.writeString(192, logServerIP);
|
|
EEPROM.writeString(224, logServerPort);
|
|
EEPROM.commit();
|
|
}
|
|
|
|
// Load the WiFi settings from EEPROM
|
|
void loadSettings() {
|
|
ssid = EEPROM.readString(0);
|
|
password = EEPROM.readString(32);
|
|
static_ip = EEPROM.readString(64);
|
|
netmask = EEPROM.readString(96);
|
|
gateway = EEPROM.readString(128);
|
|
hostname = EEPROM.readString(160);
|
|
logServerIP = EEPROM.readString(192);
|
|
logServerPort = EEPROM.readString(224);
|
|
}
|
|
|
|
void setup() {
|
|
Serial.begin(115200); // Start the serial communication
|
|
Serial.println("Setup started");
|
|
EEPROM.begin(256); // Initialize EEPROM with a size of 256 bytes
|
|
|
|
pinMode(userLedPin, OUTPUT); // Set the user LED pin as output
|
|
digitalWrite(userLedPin, LOW); // Turn off the user LED
|
|
|
|
pinMode(buttonPin, INPUT_PULLUP); // Set the button pin as input with an internal pull-up resistor
|
|
|
|
// Set the relay pins as output and turn off all relays at startup
|
|
for (int i = 0; i < 4; i++) {
|
|
pinMode(relayPins[i], OUTPUT);
|
|
digitalWrite(relayPins[i], LOW);
|
|
pinMode(inputPins[i], INPUT_PULLUP); // Set input pins as input with internal pull-up resistors
|
|
}
|
|
|
|
loadSettings(); // Load the WiFi settings from EEPROM
|
|
|
|
// Stop AP mode if it was previously started
|
|
WiFi.softAPdisconnect(true);
|
|
|
|
// Check if the button is pressed at startup
|
|
if (digitalRead(buttonPin) == LOW) {
|
|
Serial.println("Button pressed at startup. Starting in AP mode.");
|
|
startAPMode();
|
|
} else {
|
|
// Attempt to connect to WiFi with saved credentials
|
|
if (ssid.length() > 0 && password.length() > 0) {
|
|
Serial.println("Attempting to connect to WiFi with saved credentials:");
|
|
Serial.print("SSID: ");
|
|
Serial.println(ssid);
|
|
Serial.print("Password: ");
|
|
Serial.println(password);
|
|
|
|
// Convert Strings to IPAddress objects
|
|
IPAddress ip, gw, nm;
|
|
if (!ip.fromString(static_ip) || !gw.fromString(gateway) || !nm.fromString(netmask)) {
|
|
Serial.println("Invalid IP configuration. Starting in AP mode.");
|
|
startAPMode();
|
|
return;
|
|
}
|
|
|
|
// Set hostname and static IP configuration
|
|
WiFi.config(ip, gw, nm);
|
|
WiFi.setHostname(hostname.c_str());
|
|
|
|
WiFi.begin(ssid.c_str(), password.c_str());
|
|
unsigned long startTime = millis();
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
if (millis() - startTime >= 10000) { // 10 seconds timeout
|
|
Serial.println("Failed to connect to WiFi. Starting in AP mode.");
|
|
startAPMode();
|
|
return;
|
|
}
|
|
delay(500);
|
|
}
|
|
|
|
Serial.println("Connected to WiFi.");
|
|
Serial.print("IP Address: ");
|
|
Serial.println(WiFi.localIP());
|
|
Serial.print("Hostname: ");
|
|
Serial.println(WiFi.getHostname());
|
|
digitalWrite(userLedPin, HIGH); // Turn on the LED if connection is successful
|
|
isAPMode = false;
|
|
startWebServer();
|
|
} else {
|
|
Serial.println("No saved WiFi credentials found. Starting in AP mode.");
|
|
startAPMode();
|
|
}
|
|
}
|
|
Serial.println("Setup completed");
|
|
}
|
|
|
|
void loop() {
|
|
server.handleClient(); // Handle client requests
|
|
blinkLed(); // Blink the LED to indicate the mode
|
|
printStatus(); // Print the status of the board
|
|
|
|
// Send a log message every 20 seconds
|
|
if (millis() - lastLogTime >= 20000) {
|
|
sendLog("Board is functioning");
|
|
lastLogTime = millis();
|
|
}
|
|
}
|
|
|
|
// Blink the LED to indicate the mode (AP mode or client mode)
|
|
void blinkLed() {
|
|
static unsigned long lastBlinkTime = 0;
|
|
static bool ledState = LOW;
|
|
unsigned long interval = isAPMode ? 1000 : 3000; // 1 second interval for AP mode, 3 seconds for client mode
|
|
|
|
if (millis() - lastBlinkTime >= interval) {
|
|
ledState = !ledState;
|
|
digitalWrite(userLedPin, ledState);
|
|
lastBlinkTime = millis();
|
|
}
|
|
}
|
|
|
|
// Print the status of the board every 20 seconds
|
|
void printStatus() {
|
|
if (millis() - lastStatusPrintTime >= 20000) { // 20 seconds interval
|
|
Serial.println("Board Status:");
|
|
if (isAPMode) {
|
|
Serial.println("Mode: Access Point");
|
|
Serial.print("AP SSID: ");
|
|
Serial.println(ap_ssid);
|
|
Serial.print("AP IP Address: ");
|
|
Serial.println(WiFi.softAPIP());
|
|
} else {
|
|
Serial.println("Mode: Client");
|
|
Serial.print("Connected to SSID: ");
|
|
Serial.println(ssid);
|
|
Serial.print("IP Address: ");
|
|
Serial.println(WiFi.localIP());
|
|
Serial.print("Hostname: ");
|
|
Serial.println(WiFi.getHostname());
|
|
}
|
|
for (int i = 0; i < 4; i++) {
|
|
Serial.print("Relay ");
|
|
Serial.print(i + 1);
|
|
Serial.print(": ");
|
|
Serial.println(digitalRead(relayPins[i]) == HIGH ? "ON" : "OFF");
|
|
Serial.print("Input ");
|
|
Serial.print(i + 1);
|
|
Serial.print(": ");
|
|
Serial.println(digitalRead(inputPins[i]) == LOW ? "Pressed" : "Not Pressed");
|
|
}
|
|
Serial.println();
|
|
lastStatusPrintTime = millis();
|
|
}
|
|
}
|
|
|
|
// Start the Access Point mode
|
|
void startAPMode() {
|
|
WiFi.softAP(ap_ssid, ap_password);
|
|
Serial.println("Access Point Started");
|
|
Serial.print("IP Address: ");
|
|
Serial.println(WiFi.softAPIP());
|
|
server.on("/", handleRoot);
|
|
server.on("/save", handleSave);
|
|
server.on("/relay", handleRelay); // Add handler for relay control
|
|
server.begin();
|
|
isAPMode = true;
|
|
}
|
|
|
|
// Start the web server in client mode
|
|
void startWebServer() {
|
|
server.on("/", handleRoot);
|
|
server.on("/save", handleSave);
|
|
server.on("/relay", handleRelay); // Add handler for relay control
|
|
server.begin();
|
|
}
|
|
|
|
// Get the default MAC address of the ESP32
|
|
String getDefaultMacAddress() {
|
|
String mac = "";
|
|
unsigned char mac_base[6] = {0};
|
|
|
|
if (esp_efuse_mac_get_default(mac_base) == ESP_OK) {
|
|
char buffer[18]; // 6*2 characters for hex + 5 characters for colons + 1 character for null terminator
|
|
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]);
|
|
mac = buffer;
|
|
}
|
|
|
|
return mac;
|
|
}
|
|
|
|
// Get the MAC address of a specific interface
|
|
String getInterfaceMacAddress(esp_mac_type_t interface) {
|
|
String mac = "";
|
|
unsigned char mac_base[6] = {0};
|
|
|
|
if (esp_read_mac(mac_base, interface) == ESP_OK) {
|
|
char buffer[18]; // 6*2 characters for hex + 5 characters for colons + 1 character for null terminator
|
|
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]);
|
|
mac = buffer;
|
|
}
|
|
|
|
return mac;
|
|
} |