1066 lines
46 KiB
C++
1066 lines
46 KiB
C++
/**
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* ESP32-C6 Home Assistant Integration
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* Arduino IDE Project
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*
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* Board: ESP32C6 Dev Module
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* Flash Size: 4MB
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* USB CDC On Boot: Enabled (REQUIRED for serial output!)
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*
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* Provides REST API for Home Assistant integration
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*/
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// version 1.9 Initial release
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#include <WiFi.h>
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#include <WebServer.h>
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#include <WiFiClient.h>
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// ── NFC: PN532 over UART (HSU mode) via UEXT1 ───────────────────────────────
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// UEXT1 pin 3 = TXD (ESP32 → PN532 RXD) → GPIO4
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// UEXT1 pin 4 = RXD (PN532 TXD → ESP32) → GPIO5
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// PN532 module wiring note: set HSU mode — DIP1 = 0, DIP2 = 0
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#include <PN532_HSU.h>
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#include <PN532.h>
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#define NFC_TX_PIN 4 // UEXT1 pin 3 — ESP32 transmits to PN532
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#define NFC_RX_PIN 5 // UEXT1 pin 4 — ESP32 receives from PN532
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#define NFC_POLL_MS 500 // idle detection interval (ms)
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// ── Web UI credentials ────────────────────────────────────────────────────
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// Only browser-facing pages (/ and /debug) are protected.
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// All REST API endpoints are intentionally left open so the Location
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// Management board driver can communicate without credentials.
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#define WEB_USER "ske087"
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#define WEB_PASSWORD "Matei@123"
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HardwareSerial nfcSerial(1); // UART1
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PN532_HSU pn532hsu(nfcSerial);
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PN532 nfc(pn532hsu);
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bool nfc_initialized = false;
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String nfc_last_uid = "";
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unsigned long nfc_last_poll_ms = 0;
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int nfc_miss_count = 0; // consecutive polls with no card detected
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// NFC Access Control
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char nfc_auth_uid[32] = ""; // authorized card UID; empty = any card triggers
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int nfc_relay_num = 1; // relay to open on match (1-4)
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unsigned long nfc_pulse_ms = 5000; // absence timeout: relay closes after this many ms of no card
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char nfc_access_state[8] = "idle"; // "idle" | "granted" | "denied"
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// ────────────────────────────────────────────────────────────────────────────
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// WiFi credentials
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const char* ssid = "BUON GUSTO PARTER";
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const char* password = "arleta13";
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// Web server on port 80
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WebServer server(80);
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// GPIO pins - Olimex ESP32-C6-EVB board configuration
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const int LED_PIN = 8; // Onboard LED
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const int BUT_PIN = 9; // Onboard button
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const int RELAY_1_PIN = 10; // Relay 1
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const int RELAY_2_PIN = 11; // Relay 2
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const int RELAY_3_PIN = 22; // Relay 3
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const int RELAY_4_PIN = 23; // Relay 4
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const int DIN1_PIN = 1; // Digital Input 1
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const int DIN2_PIN = 2; // Digital Input 2
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const int DIN3_PIN = 3; // Digital Input 3
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const int DIN4_PIN = 15; // Digital Input 4
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// State tracking
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bool relay1_state = false;
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bool relay2_state = false;
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bool relay3_state = false;
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bool relay4_state = false;
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bool led_state = false;
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// Input state tracking - for change detection
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bool input1_state = true; // HIGH when not pressed (pull-up)
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bool input2_state = true;
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bool input3_state = true;
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bool input4_state = true;
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bool last_input1_state = true;
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bool last_input2_state = true;
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bool last_input3_state = true;
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bool last_input4_state = true;
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unsigned long last_input_check = 0;
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// Home Assistant callback configuration
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char ha_callback_url[256] = ""; // URL to POST input events to
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bool ha_registered = false;
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// Temperature simulation
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float temperature = 25.0;
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unsigned long last_temp_update = 0;
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void setup() {
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// Initialize USB CDC serial
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Serial.begin(115200);
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delay(2000); // Give time for USB CDC to initialize
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// Wait for serial port to be ready (up to 5 seconds)
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for (int i = 0; i < 10 && !Serial; i++) {
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delay(500);
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}
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Serial.println("\n\n=================================");
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Serial.println("ESP32-C6 Home Assistant Device");
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Serial.println("Arduino Framework");
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Serial.println("=================================");
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// Initialize GPIO - Outputs
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pinMode(LED_PIN, OUTPUT);
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pinMode(RELAY_1_PIN, OUTPUT);
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pinMode(RELAY_2_PIN, OUTPUT);
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pinMode(RELAY_3_PIN, OUTPUT);
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pinMode(RELAY_4_PIN, OUTPUT);
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// Initialize GPIO - Inputs with pull-up
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pinMode(BUT_PIN, INPUT_PULLUP);
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pinMode(DIN1_PIN, INPUT_PULLUP);
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pinMode(DIN2_PIN, INPUT_PULLUP);
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pinMode(DIN3_PIN, INPUT_PULLUP);
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pinMode(DIN4_PIN, INPUT_PULLUP);
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// Set all outputs to LOW
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digitalWrite(LED_PIN, LOW);
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digitalWrite(RELAY_1_PIN, LOW);
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digitalWrite(RELAY_2_PIN, LOW);
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digitalWrite(RELAY_3_PIN, LOW);
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digitalWrite(RELAY_4_PIN, LOW);
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Serial.println("GPIO initialized");
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// Configure WiFi
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// ESP32-C6 note: the radio sometimes needs a full reset cycle before it can
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// associate. We do WiFi.disconnect(true) → mode() → config() → begin() and
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// allow up to 3 full connection attempts (60 s total) before giving up.
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Serial.println("\n--- WiFi Configuration ---");
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WiFi.disconnect(true); // reset radio & erase any stale state
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delay(200);
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WiFi.mode(WIFI_STA);
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WiFi.setAutoReconnect(true);
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// Static IP
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IPAddress staticIP(192, 168, 0, 181);
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IPAddress gateway(192, 168, 0, 1);
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IPAddress subnet(255, 255, 255, 0);
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WiFi.config(staticIP, gateway, subnet);
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bool wifi_ok = false;
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for (int pass = 1; pass <= 3 && !wifi_ok; pass++) {
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Serial.printf("Connecting to WiFi: %s (attempt %d/3)\n", ssid, pass);
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WiFi.begin(ssid, password);
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for (int t = 0; t < 40 && WiFi.status() != WL_CONNECTED; t++) {
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delay(500);
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Serial.print(".");
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}
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Serial.println();
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if (WiFi.status() == WL_CONNECTED) wifi_ok = true;
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else if (pass < 3) {
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Serial.println(" Not connected yet, retrying...");
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WiFi.disconnect(true);
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delay(1000);
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WiFi.mode(WIFI_STA);
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WiFi.config(staticIP, gateway, subnet);
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}
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}
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if (wifi_ok) {
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Serial.println("\n\u2713 WiFi connected!");
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Serial.print(" IP : "); Serial.println(WiFi.localIP());
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Serial.print(" RSSI : "); Serial.print(WiFi.RSSI()); Serial.println(" dBm");
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Serial.print(" MAC : "); Serial.println(WiFi.macAddress());
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} else {
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Serial.println("\n\u2717 WiFi connection failed after 3 attempts.");
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Serial.print(" Status code: "); Serial.println(WiFi.status());
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Serial.println(" Check: correct SSID/password, 2.4 GHz band, board in range.");
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Serial.println(" HTTP server will start anyway \u2014 accessible once WiFi reconnects.");
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}
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// Setup API endpoints
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server.on("/", handleRoot);
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server.on("/api/status", HTTP_GET, handleStatus);
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// Relay endpoints
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server.on("/relay/on", HTTP_POST, handleRelayOn);
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server.on("/relay/off", HTTP_POST, handleRelayOff);
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server.on("/relay/status", HTTP_GET, handleRelayStatus);
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// Input endpoints
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server.on("/input/status", HTTP_GET, handleInputStatus);
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// Home Assistant webhook registration
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server.on("/register", HTTP_POST, handleRegister);
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// LED endpoints
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server.on("/led/on", HTTP_POST, handleLEDOn);
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server.on("/led/off", HTTP_POST, handleLEDOff);
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server.onNotFound(handleNotFound);
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server.on("/nfc/status", HTTP_GET, handleNFCStatus);
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server.on("/nfc/config", HTTP_GET, handleNFCConfigGet);
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server.on("/nfc/config", HTTP_POST, handleNFCConfigSet);
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server.on("/debug", HTTP_GET, handleDebug);
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// Start server
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server.begin();
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Serial.println("\n✓ HTTP server started on port 80");
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Serial.println("\n=================================");
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Serial.println("Ready! Try these endpoints:");
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Serial.print(" http://");
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Serial.print(WiFi.localIP());
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Serial.println("/api/status");
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Serial.println("=================================\n");
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// ── NFC (PN532 HSU) initialisation — multi-baud auto-detect ─────────────
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// The PN532 default HSU baud is 115200, but some modules ship at 9600.
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// We try both, plus RX/TX swapped, so the board will find the module
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// regardless of those two variables.
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Serial.println("--- NFC (PN532 HSU) Initialization ---");
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// Baud rates to try, in order
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const long NFC_BAUDS[] = {115200, 9600, 57600, 38400};
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const int NFC_NBAUDS = 4;
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// Pin pairs to try: {RX, TX}. Second pair = swapped.
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const int NFC_PINS[2][2] = {{NFC_RX_PIN, NFC_TX_PIN},
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{NFC_TX_PIN, NFC_RX_PIN}};
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uint32_t versiondata = 0;
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long found_baud = 0;
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int found_rx = NFC_RX_PIN;
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int found_tx = NFC_TX_PIN;
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for (int pi = 0; pi < 2 && !versiondata; pi++) {
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int rx = NFC_PINS[pi][0];
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int tx = NFC_PINS[pi][1];
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for (int bi = 0; bi < NFC_NBAUDS && !versiondata; bi++) {
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long baud = NFC_BAUDS[bi];
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Serial.printf(" Trying baud=%-7ld RX=GPIO%d TX=GPIO%d ...\n", baud, rx, tx);
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nfcSerial.begin(baud, SERIAL_8N1, rx, tx);
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delay(500); // PN532 boot / line-settle time
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nfc.begin(); // PN532_HSU::begin() is a no-op — pins already set
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versiondata = nfc.getFirmwareVersion();
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if (!versiondata) delay(200);
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else { found_baud = baud; found_rx = rx; found_tx = tx; }
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}
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}
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if (!versiondata) {
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Serial.println("\u2717 PN532 not detected with any baud/pin combination.");
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Serial.println(" Hardware checklist:");
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Serial.println(" 1. DIP/solder-jumpers on PN532 board: BOTH = 0 (HSU mode)");
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Serial.println(" Some boards label them SEL0/SEL1 or I0/I1 — both must be LOW.");
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Serial.println(" 2. Power: UEXT1 pin 1 = 3V3, pin 2 = GND. Measure with multimeter.");
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Serial.println(" 3. Wiring: UEXT1 pin 3 (GPIO4) ↔ PN532 RXD");
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Serial.println(" UEXT1 pin 4 (GPIO5) ↔ PN532 TXD");
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Serial.println(" 4. Some PN532 breakouts need a 100 ohm series resistor on TX line.");
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} else {
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Serial.printf("\u2713 PN532 found! baud=%ld RX=GPIO%d TX=GPIO%d\n",
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found_baud, found_rx, found_tx);
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Serial.print(" Chip: PN5");
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Serial.println((versiondata >> 24) & 0xFF, HEX);
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Serial.printf(" Firmware: %d.%d\n",
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(versiondata >> 16) & 0xFF, (versiondata >> 8) & 0xFF);
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// Re-init serial with confirmed settings
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nfcSerial.begin(found_baud, SERIAL_8N1, found_rx, found_tx);
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nfc.SAMConfig();
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nfc_initialized = true;
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Serial.println("\u2713 NFC ready \u2014 waiting for ISO14443A / Mifare cards");
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}
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// ──────────────────────────────────────────────────────────────────────────
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}
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void loop() {
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server.handleClient();
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// Simulate temperature reading — update every 5 s
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if (millis() - last_temp_update >= 5000) {
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last_temp_update = millis();
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temperature = 25.0 + (random(-20, 20) / 10.0);
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}
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// Check for input state changes every 50ms
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if (millis() - last_input_check > 50) {
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last_input_check = millis();
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checkInputChanges();
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}
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// ── NFC: two-phase polling ────────────────────────────────────────────────
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// IDLE : fast poll every NFC_POLL_MS (500 ms), 50 ms RF timeout
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// GRANTED/DENIED: slow presence-check every nfc_pulse_ms, 500 ms RF timeout
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// 2 consecutive misses required to confirm card is gone
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{
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bool is_active_state = (strcmp(nfc_access_state, "granted") == 0 ||
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strcmp(nfc_access_state, "denied") == 0);
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unsigned long nfc_interval = is_active_state ? nfc_pulse_ms : (unsigned long)NFC_POLL_MS;
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if (nfc_initialized && millis() - nfc_last_poll_ms >= nfc_interval) {
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nfc_last_poll_ms = millis();
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uint16_t rf_timeout = is_active_state ? 500 : 50;
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uint8_t uid[7] = {0};
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uint8_t uidLen = 0;
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bool found = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uidLen, rf_timeout);
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if (found && uidLen > 0) {
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nfc.inRelease(1); // deselect → card returns to ISO14443A IDLE state for next poll
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nfc_miss_count = 0;
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String uid_str = "";
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for (uint8_t i = 0; i < uidLen; i++) {
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if (uid[i] < 0x10) uid_str += "0";
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uid_str += String(uid[i], HEX);
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if (i < uidLen - 1) uid_str += ":";
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}
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uid_str.toUpperCase();
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if (strcmp(nfc_access_state, "granted") == 0) {
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// Presence check passed — card still on reader
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Serial.printf("NFC: card present UID=%s\n", uid_str.c_str());
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} else if (strcmp(nfc_access_state, "denied") == 0 && uid_str == nfc_last_uid) {
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// Same card that was already denied is still on reader — do nothing
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Serial.printf("NFC: denied card still present UID=%s\n", uid_str.c_str());
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} else {
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// New card — authenticate
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nfc_last_uid = uid_str;
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Serial.printf("NFC: card UID=%s\n", uid_str.c_str());
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postNFCEvent(uid_str);
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// Require an explicit authorized UID — empty = no card is authorized yet
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if (strlen(nfc_auth_uid) == 0) {
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strcpy(nfc_access_state, "denied");
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Serial.printf("NFC: ACCESS DENIED — no authorized UID configured. Set one in the web UI.\n");
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} else if (uid_str == String(nfc_auth_uid)) {
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strcpy(nfc_access_state, "granted");
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int gpin = nfcRelayPin(nfc_relay_num);
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if (gpin >= 0) {
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digitalWrite(gpin, HIGH);
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switch (nfc_relay_num) {
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case 1: relay1_state = true; break;
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case 2: relay2_state = true; break;
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case 3: relay3_state = true; break;
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case 4: relay4_state = true; break;
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}
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}
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Serial.printf("NFC: ACCESS GRANTED relay=%d (presence-check every %lums)\n",
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nfc_relay_num, nfc_pulse_ms);
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} else {
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strcpy(nfc_access_state, "denied");
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Serial.printf("NFC: ACCESS DENIED UID=%s\n", uid_str.c_str());
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}
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}
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} else {
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// No card this poll
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if (strcmp(nfc_access_state, "granted") == 0) {
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nfc_miss_count++;
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if (nfc_miss_count >= 2) { // 2 consecutive presence-check failures = card gone
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nfc_miss_count = 0;
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int pin = nfcRelayPin(nfc_relay_num);
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if (pin >= 0) {
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digitalWrite(pin, LOW);
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switch (nfc_relay_num) {
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case 1: relay1_state = false; break;
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case 2: relay2_state = false; break;
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case 3: relay3_state = false; break;
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case 4: relay4_state = false; break;
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}
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}
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strcpy(nfc_access_state, "idle");
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nfc_last_uid = "";
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Serial.printf("NFC: card removed — relay %d closed\n", nfc_relay_num);
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} else {
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Serial.printf("NFC: presence miss %d/2 — retrying\n", nfc_miss_count);
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}
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} else if (strcmp(nfc_access_state, "denied") == 0) {
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nfc_miss_count++;
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if (nfc_miss_count >= 2) {
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Serial.printf("NFC: denied card removed\n");
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strcpy(nfc_access_state, "idle");
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nfc_last_uid = "";
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nfc_miss_count = 0;
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}
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}
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// idle: keep fast-polling, no action needed
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}
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}
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}
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delay(10);
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}
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// ============================================
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// WiFi Debug Function
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// ============================================
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void scanWiFiNetworks() {
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Serial.println("\n--- Available WiFi Networks ---");
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int n = WiFi.scanNetworks();
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if (n == 0) {
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Serial.println("No networks found!");
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} else {
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Serial.print("Found ");
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Serial.print(n);
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Serial.println(" networks:");
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for (int i = 0; i < n; i++) {
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Serial.print(i + 1);
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Serial.print(". ");
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Serial.print(WiFi.SSID(i));
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Serial.print(" (");
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Serial.print(WiFi.RSSI(i));
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Serial.print(" dBm) ");
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Serial.println(WiFi.encryptionType(i) == WIFI_AUTH_OPEN ? "Open" : "Secured");
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}
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}
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Serial.println("-------------------------------\n");
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}
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// ============================================
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// API Handlers
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// ============================================
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void handleRoot() {
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if (!requireAuth()) return;
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// Read all inputs first to get current state
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input1_state = digitalRead(DIN1_PIN);
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input2_state = digitalRead(DIN2_PIN);
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input3_state = digitalRead(DIN3_PIN);
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input4_state = digitalRead(DIN4_PIN);
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String html = "<html><head><meta charset='UTF-8'><title>ESP32-C6 Device</title>";
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html += "<meta name='viewport' content='width=device-width, initial-scale=1'>";
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html += "<style>";
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html += "body{font-family:Arial;margin:20px;background:#f0f0f0}";
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html += ".card{background:white;padding:20px;margin:10px 0;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,0.1)}";
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html += "h1{color:#333}h2{color:#555;font-size:17px;margin-top:0;margin-bottom:12px}";
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html += ".grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}";
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// Input item with round LED indicator
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html += ".inp-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#f7f7f7;border-radius:8px;border:1px solid #e0e0e0}";
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html += ".led{width:22px;height:22px;border-radius:50%;flex-shrink:0;transition:background 0.3s,box-shadow 0.3s}";
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html += ".led-on{background:#4CAF50;box-shadow:0 0 8px #4CAF5099}";
|
|
html += ".led-off{background:#f44336;box-shadow:0 0 8px #f4433666}";
|
|
html += ".inp-name{font-weight:bold;font-size:14px;color:#333}";
|
|
html += ".inp-state{font-size:11px;color:#888;margin-top:2px}";
|
|
// Relay toggle buttons
|
|
html += ".relay-btn{width:100%;padding:14px 8px;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:bold;transition:background 0.2s,transform 0.1s}";
|
|
html += ".relay-btn:active{transform:scale(0.97)}";
|
|
html += ".relay-on{background:#4CAF50;color:white}";
|
|
html += ".relay-off{background:#9e9e9e;color:white}";
|
|
html += ".relay-on:hover{background:#43A047}.relay-off:hover{background:#757575}";
|
|
// LED control & webhook
|
|
html += ".card-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:10px 0}"; // two big columns
|
|
html += ".card-row .card{margin:0}"; // reset per-card margin inside row
|
|
html += ".btn{padding:8px 16px;margin:4px;border:none;border-radius:4px;cursor:pointer;font-size:14px}";
|
|
html += ".btn-on{background:#4CAF50;color:white}.btn-off{background:#f44336;color:white}";
|
|
html += ".wh-ok{background:#c8e6c9;color:#1b5e20;padding:10px;border-radius:4px}";
|
|
html += ".wh-err{background:#ffcdd2;color:#b71c1c;padding:10px;border-radius:4px}";
|
|
html += ".nfc-state{padding:10px 14px;border-radius:6px;font-weight:bold;font-size:15px;margin-top:4px}";
|
|
html += ".nfc-idle{background:#f5f5f5;color:#757575}";
|
|
html += ".nfc-granted{background:#c8e6c9;color:#1b5e20}";
|
|
html += ".nfc-denied{background:#ffcdd2;color:#b71c1c}";
|
|
html += "</style>";
|
|
html += "<script>";
|
|
// Relay toggle: read current state from data-state attribute, POST, update DOM
|
|
html += "function toggleRelay(n){";
|
|
html += "var b=document.getElementById('r'+n);";
|
|
html += "var on=b.dataset.state==='1';";
|
|
html += "fetch((on?'/relay/off':'/relay/on')+'?relay='+n,{method:'POST'})";
|
|
html += ".then(function(){var ns=!on;b.dataset.state=ns?'1':'0';";
|
|
html += "b.className='relay-btn '+(ns?'relay-on':'relay-off');";
|
|
html += "b.textContent='Relay '+n+': '+(ns?'ON':'OFF');})";
|
|
html += ".catch(function(e){console.error(e);});";
|
|
html += "}";
|
|
// Polling: update LED indicators and relay button states
|
|
html += "function updateStatus(){fetch('/api/status').then(function(r){return r.json();}).then(function(d){";
|
|
html += "for(var i=1;i<=4;i++){";
|
|
// input: raw HIGH=not pressed, so pressed = !d['input'+i]
|
|
html += "var p=!d['input'+i];";
|
|
html += "document.getElementById('led'+i).className='led '+(p?'led-on':'led-off');";
|
|
html += "document.getElementById('is'+i).textContent=p?'PRESSED':'NOT PRESSED';";
|
|
// relay: update toggle button
|
|
html += "var b=document.getElementById('r'+i);var on=d['relay'+i];";
|
|
html += "b.dataset.state=on?'1':'0';";
|
|
html += "b.className='relay-btn '+(on?'relay-on':'relay-off');";
|
|
html += "b.textContent='Relay '+i+': '+(on?'ON':'OFF');";
|
|
html += "}";
|
|
// Update NFC section from polled status
|
|
html += "var nled=document.getElementById('nfc-led');";
|
|
html += "if(nled)nled.className='led '+(d.nfc_card_present?'led-on':'led-off');";
|
|
html += "var nuid=document.getElementById('nfc-uid');";
|
|
html += "if(nuid)nuid.textContent=d.nfc_last_uid||'No card inserted';";
|
|
html += "var ncb=document.getElementById('nfc-copy-btn');";
|
|
html += "if(ncb)ncb.disabled=!d.nfc_card_present;";
|
|
html += "var nac=document.getElementById('nfc-access');";
|
|
html += "if(nac){var as=d.nfc_access_state||'idle';";
|
|
html += "nac.className='nfc-state nfc-'+as;";
|
|
html += "nac.textContent=as==='granted'?'ACCESS GRANTED':as==='denied'?'ACCESS DENIED':'Waiting for card';}";
|
|
html += "var ef=document.getElementById('nfc-auth-field');";
|
|
html += "if(ef&&document.activeElement!==ef)ef.value=d.nfc_auth_uid||'';";
|
|
html += "var ad=document.getElementById('nfc-auth-display');";
|
|
html += "if(ad){if(d.nfc_auth_uid){ad.style.color='#1b5e20';ad.textContent=d.nfc_auth_uid;}";
|
|
html += "else{ad.style.color='#b71c1c';ad.textContent='None \u2014 no card authorized yet';}}";
|
|
html += "var rs=document.getElementById('nfc-relay-sel');";
|
|
html += "if(rs&&document.activeElement!==rs)rs.value=d.nfc_relay_num||1;";
|
|
html += "var pf=document.getElementById('nfc-pulse-field');";
|
|
html += "if(pf&&document.activeElement!==pf)pf.value=d.nfc_pulse_ms||3000;";
|
|
html += "}).catch(function(e){console.error(e);});}";
|
|
html += "function clearNFCAuth(){";
|
|
html += "if(!confirm('Remove the authorized card?'))return;";
|
|
html += "fetch('/nfc/config?auth_uid=&relay='+document.getElementById('nfc-relay-sel').value+'&pulse_ms='+document.getElementById('nfc-pulse-field').value,{method:'POST'})";
|
|
html += ".then(function(r){return r.json();})";
|
|
html += ".then(function(d){if(d.status==='ok'){alert('Authorized card cleared.');}else{alert('Error: '+d.error);}})";
|
|
html += ".catch(function(e){alert('Network error');});}";
|
|
html += "function saveNFCConfig(){";
|
|
html += "var uid=document.getElementById('nfc-auth-field').value.trim().toUpperCase();";
|
|
html += "var relay=document.getElementById('nfc-relay-sel').value;";
|
|
html += "var pulse=document.getElementById('nfc-pulse-field').value;";
|
|
html += "fetch('/nfc/config?auth_uid='+encodeURIComponent(uid)+'&relay='+relay+'&pulse_ms='+pulse,{method:'POST'})";
|
|
html += ".then(function(r){return r.json();})";
|
|
html += ".then(function(d){if(d.status==='ok'){alert('Saved!\\nAuthorized UID: '+(d.auth_uid||'(none)')+'\\nRelay: '+d.relay_num+'\\nAbsent timeout: '+d.pulse_ms+'ms');}else{alert('Error: '+d.error);}})";
|
|
html += ".catch(function(e){alert('Network error');console.error(e);});}";
|
|
html += "function copyUID(){";
|
|
html += "var u=document.getElementById('nfc-uid').textContent;";
|
|
html += "if(u&&u!=='No card inserted'){var f=document.getElementById('nfc-auth-field');f.value=u;";
|
|
html += "var b=document.getElementById('nfc-copy-btn');b.textContent='\u2713 Copied!';";
|
|
html += "setTimeout(function(){b.textContent='\u2193 Use as authorized';},1500);}}";
|
|
html += "window.addEventListener('load',function(){updateStatus();setInterval(updateStatus,2000);});";
|
|
html += "</script>";
|
|
html += "</head><body>";
|
|
html += "<h1>ESP32-C6 Control Panel</h1>";
|
|
|
|
// Device Info
|
|
html += "<div class='card'><h2>Device Info</h2>";
|
|
html += "IP: " + WiFi.localIP().toString() + " ";
|
|
html += "RSSI: " + String(WiFi.RSSI()) + " dBm ";
|
|
html += "Temp: " + String(temperature, 1) + "°C ";
|
|
html += "Uptime: " + String(millis() / 1000) + "s</div>";
|
|
|
|
// Inputs + Relays side by side in a 2-column row
|
|
html += "<div class='card-row'>";
|
|
|
|
// Inputs — 2-column inner grid, round LED indicator
|
|
html += "<div class='card'><h2>Inputs</h2><div class='grid2'>";
|
|
bool inputStates[5] = {false, input1_state, input2_state, input3_state, input4_state};
|
|
for (int i = 1; i <= 4; i++) {
|
|
bool pressed = !inputStates[i]; // pull-up: LOW=pressed
|
|
html += "<div class='inp-item'>";
|
|
html += "<div class='led " + String(pressed ? "led-on" : "led-off") + "' id='led" + String(i) + "'></div>";
|
|
html += "<div><div class='inp-name'>Input " + String(i) + "</div>";
|
|
html += "<div class='inp-state' id='is" + String(i) + "'>" + String(pressed ? "PRESSED" : "NOT PRESSED") + "</div></div>";
|
|
html += "</div>";
|
|
}
|
|
html += "</div></div>"; // close Inputs card
|
|
|
|
// Relays — 2-column inner grid, toggle buttons
|
|
html += "<div class='card'><h2>Relays</h2><div class='grid2'>";
|
|
bool relayStates[5] = {false, relay1_state, relay2_state, relay3_state, relay4_state};
|
|
for (int i = 1; i <= 4; i++) {
|
|
bool on = relayStates[i];
|
|
html += "<button class='relay-btn " + String(on ? "relay-on" : "relay-off") + "' ";
|
|
html += "id='r" + String(i) + "' data-state='" + String(on ? "1" : "0") + "' ";
|
|
html += "onclick='toggleRelay(" + String(i) + ")'>";
|
|
html += "Relay " + String(i) + ": " + String(on ? "ON" : "OFF");
|
|
html += "</button>";
|
|
}
|
|
html += "</div></div>"; // close Relays card
|
|
html += "</div>"; // close .card-row
|
|
|
|
// LED Control
|
|
html += "<div class='card'><h2>LED Control</h2>";
|
|
html += "<button class='btn btn-on' onclick='fetch(\"/led/on\",{method:\"POST\"}).then(()=>location.reload())'>LED ON</button>";
|
|
html += "<button class='btn btn-off' onclick='fetch(\"/led/off\",{method:\"POST\"}).then(()=>location.reload())'>LED OFF</button>";
|
|
html += " Status: <strong>" + String(led_state ? "ON" : "OFF") + "</strong></div>";
|
|
|
|
// ── NFC Access Control card ───────────────────────────────────────────────
|
|
bool nfc_present_now = nfc_initialized && (strcmp(nfc_access_state, "granted") == 0);
|
|
String ac_class = String(nfc_access_state) == "granted" ? "nfc-granted" :
|
|
String(nfc_access_state) == "denied" ? "nfc-denied" : "nfc-idle";
|
|
String ac_text = String(nfc_access_state) == "granted" ? "ACCESS GRANTED" :
|
|
String(nfc_access_state) == "denied" ? "ACCESS DENIED" : "Waiting for card";
|
|
html += "<div class='card'><h2>NFC Access Control (PN532 — UEXT1)</h2>";
|
|
|
|
// ── Live status row ────────────────────────────────────────────────────
|
|
html += "<div style='display:flex;align-items:center;gap:14px;margin-bottom:12px'>";
|
|
html += "<div class='led " + String(nfc_present_now ? "led-on" : "led-off") + "' id='nfc-led'></div>";
|
|
html += "<div style='flex:1'>";
|
|
html += "<div style='font-size:11px;color:#888;margin-bottom:4px'>Detected card UID</div>";
|
|
html += "<div id='nfc-uid' style='font-size:20px;font-weight:bold;font-family:monospace;letter-spacing:2px'>";
|
|
html += (nfc_last_uid.length() > 0 ? nfc_last_uid : "No card inserted");
|
|
html += "</div></div>";
|
|
html += "<button id='nfc-copy-btn' class='btn' onclick='copyUID()' style='white-space:nowrap'" + String(nfc_present_now ? "" : " disabled") + ">↓ Use as authorized</button>";
|
|
html += "</div>";
|
|
html += "<div id='nfc-access' class='nfc-state " + ac_class + "'>" + ac_text + "</div>";
|
|
|
|
// ── Current Settings (read-only) ───────────────────────────────────────
|
|
html += "<h3 style='font-size:14px;color:#555;margin:18px 0 8px'>Current Settings</h3>";
|
|
html += "<table style='width:100%;border-collapse:collapse;font-size:13px'>";
|
|
// Authorized card row
|
|
html += "<tr style='border-bottom:1px solid #eee'>";
|
|
html += "<td style='padding:8px 6px;color:#666;width:160px'>Authorized card</td>";
|
|
if (strlen(nfc_auth_uid) > 0) {
|
|
html += "<td style='padding:8px 6px;font-family:monospace;font-weight:bold;color:#1b5e20' id='nfc-auth-display'>" + String(nfc_auth_uid) + "</td>";
|
|
html += "<td style='padding:8px 6px;text-align:right'><button class='btn btn-off' style='font-size:12px;padding:4px 10px' onclick='clearNFCAuth()'>✕ Remove</button></td>";
|
|
} else {
|
|
html += "<td colspan='2' style='padding:8px 6px;color:#b71c1c' id='nfc-auth-display'>None — no card authorized yet</td>";
|
|
}
|
|
html += "</tr>";
|
|
// Relay row
|
|
html += "<tr style='border-bottom:1px solid #eee'>";
|
|
html += "<td style='padding:8px 6px;color:#666'>Trigger relay</td>";
|
|
html += "<td colspan='2' style='padding:8px 6px;font-weight:bold'>Relay " + String(nfc_relay_num) + "</td>";
|
|
html += "</tr>";
|
|
// Timeout row
|
|
html += "<tr>";
|
|
html += "<td style='padding:8px 6px;color:#666'>Absent timeout</td>";
|
|
html += "<td colspan='2' style='padding:8px 6px;font-weight:bold'>" + String(nfc_pulse_ms) + " ms</td>";
|
|
html += "</tr>";
|
|
html += "</table>";
|
|
|
|
// ── Edit Settings form ─────────────────────────────────────────────────
|
|
html += "<h3 style='font-size:14px;color:#555;margin:18px 0 8px'>Edit Settings</h3>";
|
|
html += "<div style='display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:8px;align-items:end'>";
|
|
html += "<div><div style='font-size:12px;color:#666;margin-bottom:4px'>Authorized UID</div>";
|
|
html += "<input id='nfc-auth-field' style='width:100%;padding:8px;border:1px solid #ccc;border-radius:4px;font-family:monospace;box-sizing:border-box' placeholder='e.g. 04:AB:CD:EF' value='" + String(nfc_auth_uid) + "'></div>";
|
|
html += "<div><div style='font-size:12px;color:#666;margin-bottom:4px'>Trigger relay</div>";
|
|
html += "<select id='nfc-relay-sel' style='width:100%;padding:8px;border:1px solid #ccc;border-radius:4px'>";
|
|
for (int r = 1; r <= 4; r++) {
|
|
html += "<option value='" + String(r) + "'" + String(nfc_relay_num == r ? " selected" : "") + ">Relay " + String(r) + "</option>";
|
|
}
|
|
html += "</select></div>";
|
|
html += "<div><div style='font-size:12px;color:#666;margin-bottom:4px'>Absent timeout (ms)</div>";
|
|
html += "<input id='nfc-pulse-field' type='number' min='100' max='60000' style='width:100%;padding:8px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box' value='" + String(nfc_pulse_ms) + "'></div>";
|
|
html += "<button class='btn btn-on' onclick='saveNFCConfig()' style='padding:8px 18px'>Save</button>";
|
|
html += "</div>";
|
|
if (!nfc_initialized) {
|
|
html += "<p style='color:#b71c1c;font-size:13px;margin:8px 0 0'>✗ PN532 not detected — check UEXT1 wiring (TX=GPIO4, RX=GPIO5)</p>";
|
|
}
|
|
if (nfc_initialized && strlen(nfc_auth_uid) == 0) {
|
|
html += "<p style='color:#e65100;font-size:13px;margin:8px 0 0'>⚠ No authorized UID saved — present a card, click “Use as authorized” then Save.</p>";
|
|
}
|
|
html += "</div>";
|
|
|
|
// Home Assistant Webhook Status
|
|
html += "<div class='card'><h2>Home Assistant Webhook</h2>";
|
|
if (ha_registered && strlen(ha_callback_url) > 0) {
|
|
html += "<div class='wh-ok'>✓ Connected — " + String(ha_callback_url) + "</div>";
|
|
} else {
|
|
html += "<div class='wh-err'>✗ Not registered — waiting for Home Assistant...</div>";
|
|
}
|
|
html += "</div>";
|
|
|
|
html += "<div class='card'><h2>API Endpoints</h2>";
|
|
html += "GET /api/status POST /relay/on?relay=1-4 POST /relay/off?relay=1-4<br>";
|
|
html += "GET /input/status?input=1-4 POST /led/on POST /led/off<br>";
|
|
html += "GET /nfc/status GET /nfc/config POST /nfc/config?auth_uid=&relay=&pulse_ms= POST /register?callback_url=...</div>";
|
|
|
|
html += "</body></html>";
|
|
|
|
server.send(200, "text/html", html);
|
|
}
|
|
|
|
// ── Web UI authentication helper ────────────────────────────────────────
|
|
bool requireAuth() {
|
|
if (!server.authenticate(WEB_USER, WEB_PASSWORD)) {
|
|
server.requestAuthentication(DIGEST_AUTH, "ESP32-C6 Control Panel",
|
|
"Login required");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Status request monitoring
|
|
static unsigned long last_status_log = 0;
|
|
static int status_request_count = 0;
|
|
|
|
void handleStatus() {
|
|
status_request_count++;
|
|
|
|
// Read fresh input states
|
|
input1_state = digitalRead(DIN1_PIN);
|
|
input2_state = digitalRead(DIN2_PIN);
|
|
input3_state = digitalRead(DIN3_PIN);
|
|
input4_state = digitalRead(DIN4_PIN);
|
|
|
|
String json = "{";
|
|
json += "\"input1\":" + String(input1_state ? "true" : "false") + ",";
|
|
json += "\"input2\":" + String(input2_state ? "true" : "false") + ",";
|
|
json += "\"input3\":" + String(input3_state ? "true" : "false") + ",";
|
|
json += "\"input4\":" + String(input4_state ? "true" : "false") + ",";
|
|
json += "\"relay1\":" + String(relay1_state ? "true" : "false") + ",";
|
|
json += "\"relay2\":" + String(relay2_state ? "true" : "false") + ",";
|
|
json += "\"relay3\":" + String(relay3_state ? "true" : "false") + ",";
|
|
json += "\"relay4\":" + String(relay4_state ? "true" : "false") + ",";
|
|
json += "\"led\":" + String(led_state ? "true" : "false") + ",";
|
|
bool nfc_present = nfc_initialized && (strcmp(nfc_access_state, "granted") == 0);
|
|
json += "\"nfc_initialized\":" + String(nfc_initialized ? "true" : "false") + ",";
|
|
json += "\"nfc_card_present\":" + String(nfc_present ? "true" : "false") + ",";
|
|
json += "\"nfc_last_uid\":\"" + nfc_last_uid + "\",";
|
|
json += "\"nfc_access_state\":\"" + String(nfc_access_state) + "\",";
|
|
json += "\"nfc_auth_uid\":\"" + String(nfc_auth_uid) + "\",";
|
|
json += "\"nfc_relay_num\":" + String(nfc_relay_num) + ",";
|
|
json += "\"nfc_pulse_ms\":" + String(nfc_pulse_ms);
|
|
json += "}";
|
|
|
|
server.send(200, "application/json", json);
|
|
|
|
// Log status every 10 seconds
|
|
if (millis() - last_status_log > 10000) {
|
|
last_status_log = millis();
|
|
Serial.printf("API: %d requests/10sec, Free heap: %d bytes, Uptime: %lus\n", status_request_count, ESP.getFreeHeap(), millis() / 1000);
|
|
status_request_count = 0;
|
|
}
|
|
}
|
|
|
|
void handleRelayOn() {
|
|
if (!server.hasArg("relay")) {
|
|
server.send(400, "application/json", "{\"error\":\"Missing relay parameter\"}");
|
|
return;
|
|
}
|
|
|
|
int relay_num = server.arg("relay").toInt();
|
|
int pin = -1;
|
|
bool *state_ptr = nullptr;
|
|
|
|
switch(relay_num) {
|
|
case 1: pin = RELAY_1_PIN; state_ptr = &relay1_state; break;
|
|
case 2: pin = RELAY_2_PIN; state_ptr = &relay2_state; break;
|
|
case 3: pin = RELAY_3_PIN; state_ptr = &relay3_state; break;
|
|
case 4: pin = RELAY_4_PIN; state_ptr = &relay4_state; break;
|
|
default:
|
|
server.send(400, "application/json", "{\"error\":\"Invalid relay number\"}");
|
|
return;
|
|
}
|
|
|
|
digitalWrite(pin, HIGH);
|
|
*state_ptr = true;
|
|
server.send(200, "application/json", "{\"status\":\"ok\",\"state\":true}");
|
|
Serial.printf("Relay %d ON\n", relay_num);
|
|
}
|
|
|
|
void handleRelayOff() {
|
|
if (!server.hasArg("relay")) {
|
|
server.send(400, "application/json", "{\"error\":\"Missing relay parameter\"}");
|
|
return;
|
|
}
|
|
|
|
int relay_num = server.arg("relay").toInt();
|
|
int pin = -1;
|
|
bool *state_ptr = nullptr;
|
|
|
|
switch(relay_num) {
|
|
case 1: pin = RELAY_1_PIN; state_ptr = &relay1_state; break;
|
|
case 2: pin = RELAY_2_PIN; state_ptr = &relay2_state; break;
|
|
case 3: pin = RELAY_3_PIN; state_ptr = &relay3_state; break;
|
|
case 4: pin = RELAY_4_PIN; state_ptr = &relay4_state; break;
|
|
default:
|
|
server.send(400, "application/json", "{\"error\":\"Invalid relay number\"}");
|
|
return;
|
|
}
|
|
|
|
digitalWrite(pin, LOW);
|
|
*state_ptr = false;
|
|
server.send(200, "application/json", "{\"status\":\"ok\",\"state\":false}");
|
|
Serial.printf("Relay %d OFF\n", relay_num);
|
|
}
|
|
|
|
void handleRelayStatus() {
|
|
if (!server.hasArg("relay")) {
|
|
server.send(400, "application/json", "{\"error\":\"Missing relay parameter\"}");
|
|
return;
|
|
}
|
|
|
|
int relay_num = server.arg("relay").toInt();
|
|
bool state = false;
|
|
|
|
switch(relay_num) {
|
|
case 1: state = relay1_state; break;
|
|
case 2: state = relay2_state; break;
|
|
case 3: state = relay3_state; break;
|
|
case 4: state = relay4_state; break;
|
|
default:
|
|
server.send(400, "application/json", "{\"error\":\"Invalid relay number\"}");
|
|
return;
|
|
}
|
|
|
|
String json = "{\"state\":" + String(state ? "true" : "false") + "}";
|
|
server.send(200, "application/json", json);
|
|
}
|
|
|
|
void handleInputStatus() {
|
|
if (!server.hasArg("input")) {
|
|
server.send(400, "application/json", "{\"error\":\"Missing input parameter\"}");
|
|
return;
|
|
}
|
|
|
|
int input_num = server.arg("input").toInt();
|
|
int pin = -1;
|
|
|
|
switch(input_num) {
|
|
case 1: pin = DIN1_PIN; break;
|
|
case 2: pin = DIN2_PIN; break;
|
|
case 3: pin = DIN3_PIN; break;
|
|
case 4: pin = DIN4_PIN; break;
|
|
default:
|
|
server.send(400, "application/json", "{\"error\":\"Invalid input number\"}");
|
|
return;
|
|
}
|
|
|
|
int level = digitalRead(pin);
|
|
String json = "{\"state\":" + String(level ? "true" : "false") + "}";
|
|
server.send(200, "application/json", json);
|
|
Serial.printf("Input %d status: %d\n", input_num, level);
|
|
}
|
|
|
|
void handleLEDOn() {
|
|
digitalWrite(LED_PIN, LOW); // LED is active-low
|
|
led_state = true;
|
|
server.send(200, "application/json", "{\"status\":\"ok\"}");
|
|
Serial.println("LED ON");
|
|
}
|
|
|
|
void handleLEDOff() {
|
|
digitalWrite(LED_PIN, HIGH); // LED is active-low
|
|
led_state = false;
|
|
server.send(200, "application/json", "{\"status\":\"ok\"}");
|
|
Serial.println("LED OFF");
|
|
}
|
|
|
|
void handleNotFound() {
|
|
String message = "404: Not Found\n\n";
|
|
message += "URI: " + server.uri() + "\n";
|
|
message += "Method: " + String((server.method() == HTTP_GET) ? "GET" : "POST") + "\n";
|
|
server.send(404, "text/plain", message);
|
|
}
|
|
|
|
// ============================================
|
|
// Home Assistant Integration
|
|
// ============================================
|
|
|
|
void handleRegister() {
|
|
if (!server.hasArg("callback_url")) {
|
|
server.send(400, "application/json", "{\"error\":\"Missing callback_url parameter\"}");
|
|
return;
|
|
}
|
|
|
|
String url = server.arg("callback_url");
|
|
if (url.length() > 255) {
|
|
server.send(400, "application/json", "{\"error\":\"URL too long (max 255 chars)\"}");
|
|
return;
|
|
}
|
|
|
|
url.toCharArray(ha_callback_url, 256);
|
|
ha_registered = true;
|
|
|
|
Serial.printf("Home Assistant webhook registered: %s\n", ha_callback_url);
|
|
server.send(200, "application/json", "{\"status\":\"ok\",\"message\":\"Webhook registered\"}");
|
|
}
|
|
|
|
void checkInputChanges() {
|
|
if (!ha_registered) return; // Only check if HA is registered
|
|
|
|
// Read all input states
|
|
bool curr_input1 = digitalRead(DIN1_PIN);
|
|
bool curr_input2 = digitalRead(DIN2_PIN);
|
|
bool curr_input3 = digitalRead(DIN3_PIN);
|
|
bool curr_input4 = digitalRead(DIN4_PIN);
|
|
|
|
// Check for changes and POST events
|
|
if (curr_input1 != last_input1_state) {
|
|
last_input1_state = curr_input1;
|
|
postInputEvent(1, curr_input1);
|
|
}
|
|
if (curr_input2 != last_input2_state) {
|
|
last_input2_state = curr_input2;
|
|
postInputEvent(2, curr_input2);
|
|
}
|
|
if (curr_input3 != last_input3_state) {
|
|
last_input3_state = curr_input3;
|
|
postInputEvent(3, curr_input3);
|
|
}
|
|
if (curr_input4 != last_input4_state) {
|
|
last_input4_state = curr_input4;
|
|
postInputEvent(4, curr_input4);
|
|
}
|
|
}
|
|
|
|
// ============================================
|
|
// Shared HTTP POST helper — parses ha_callback_url and POSTs JSON.
|
|
// Uses a 3-second timeout so an unreachable HA server never blocks the loop.
|
|
// ============================================
|
|
|
|
bool postJsonToHA(const String& json) {
|
|
if (!ha_registered || strlen(ha_callback_url) == 0) return false;
|
|
|
|
String url_str = String(ha_callback_url);
|
|
int protocol_end = url_str.indexOf("://");
|
|
if (protocol_end < 0) return false;
|
|
|
|
int host_start = protocol_end + 3;
|
|
int port_sep = url_str.indexOf(":", host_start);
|
|
int path_start = url_str.indexOf("/", host_start);
|
|
if (path_start < 0) path_start = url_str.length();
|
|
if (port_sep < 0 || port_sep > path_start) port_sep = -1;
|
|
|
|
String host = url_str.substring(host_start, (port_sep >= 0) ? port_sep : path_start);
|
|
int port = 80;
|
|
if (port_sep >= 0) {
|
|
int colon_end = url_str.indexOf("/", port_sep);
|
|
if (colon_end < 0) colon_end = url_str.length();
|
|
port = url_str.substring(port_sep + 1, colon_end).toInt();
|
|
}
|
|
String path = url_str.substring(path_start);
|
|
|
|
WiFiClient client;
|
|
client.setTimeout(3000); // 3-second connect/read timeout
|
|
if (!client.connect(host.c_str(), port)) {
|
|
Serial.printf("HA POST: failed to connect to %s:%d\n", host.c_str(), port);
|
|
return false;
|
|
}
|
|
client.println("POST " + path + " HTTP/1.1");
|
|
client.println("Host: " + host);
|
|
client.println("Content-Type: application/json");
|
|
client.println("Content-Length: " + String(json.length()));
|
|
client.println("Connection: close");
|
|
client.println();
|
|
client.print(json);
|
|
|
|
unsigned long deadline = millis() + 3000;
|
|
while (client.connected() && millis() < deadline) {
|
|
if (client.available()) client.read();
|
|
else delay(1);
|
|
}
|
|
client.stop();
|
|
return true;
|
|
}
|
|
|
|
void postInputEvent(int input_num, bool state) {
|
|
if (!ha_registered || strlen(ha_callback_url) == 0) return;
|
|
bool pressed = !state;
|
|
Serial.printf("Input %d event: %s (raw_state=%d) - POSTing to HA\n",
|
|
input_num, pressed ? "input_on" : "input_off", state);
|
|
String json = "{\"input\":" + String(input_num) +
|
|
",\"state\":" + (pressed ? "true" : "false") + "}";
|
|
if (postJsonToHA(json))
|
|
Serial.printf("Input %d event posted successfully\n", input_num);
|
|
}
|
|
|
|
// ============================================
|
|
// NFC Status API
|
|
// ============================================
|
|
|
|
void handleNFCStatus() {
|
|
bool present = nfc_initialized && (strcmp(nfc_access_state, "granted") == 0);
|
|
String json = "{";
|
|
json += "\"initialized\":" + String(nfc_initialized ? "true" : "false") + ",";
|
|
json += "\"card_present\":" + String(present ? "true" : "false") + ",";
|
|
json += "\"last_uid\":\"" + nfc_last_uid + "\",";
|
|
json += "\"access_state\":\"" + String(nfc_access_state) + "\",";
|
|
json += "\"auth_uid\":\"" + String(nfc_auth_uid) + "\",";
|
|
json += "\"relay_num\":" + String(nfc_relay_num) + ",";
|
|
json += "\"pulse_ms\":" + String(nfc_pulse_ms);
|
|
json += "}";
|
|
server.send(200, "application/json", json);
|
|
}
|
|
|
|
// ============================================
|
|
// NFC Webhook — POST card event to Home Assistant
|
|
// ============================================
|
|
|
|
void postNFCEvent(const String& uid) {
|
|
if (!ha_registered || strlen(ha_callback_url) == 0) return;
|
|
Serial.printf("NFC: posting UID %s to HA\n", uid.c_str());
|
|
String json = "{\"type\":\"nfc_card\",\"uid\":\"" + uid +
|
|
"\",\"uptime\":" + String(millis() / 1000) + "}";
|
|
if (postJsonToHA(json))
|
|
Serial.printf("NFC: event posted for UID %s\n", uid.c_str());
|
|
}
|
|
|
|
// ============================================
|
|
// NFC Helper: resolve relay number to GPIO pin
|
|
// ============================================
|
|
|
|
int nfcRelayPin(int rnum) {
|
|
switch (rnum) {
|
|
case 1: return RELAY_1_PIN;
|
|
case 2: return RELAY_2_PIN;
|
|
case 3: return RELAY_3_PIN;
|
|
case 4: return RELAY_4_PIN;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
// ============================================
|
|
// NFC Config API GET /nfc/config
|
|
// POST /nfc/config
|
|
// ============================================
|
|
|
|
void handleNFCConfigGet() {
|
|
String json = "{";
|
|
json += "\"auth_uid\":\"" + String(nfc_auth_uid) + "\",";
|
|
json += "\"relay_num\":" + String(nfc_relay_num) + ",";
|
|
json += "\"pulse_ms\":" + String(nfc_pulse_ms);
|
|
json += "}";
|
|
server.send(200, "application/json", json);
|
|
}
|
|
|
|
void handleNFCConfigSet() {
|
|
if (server.hasArg("auth_uid")) {
|
|
String u = server.arg("auth_uid");
|
|
u.trim();
|
|
u.toUpperCase();
|
|
if (u.length() < sizeof(nfc_auth_uid)) {
|
|
u.toCharArray(nfc_auth_uid, sizeof(nfc_auth_uid));
|
|
} else {
|
|
server.send(400, "application/json", "{\"error\":\"auth_uid too long (max 31 chars)\"}");
|
|
return;
|
|
}
|
|
}
|
|
if (server.hasArg("relay")) {
|
|
int r = server.arg("relay").toInt();
|
|
if (r >= 1 && r <= 4) {
|
|
nfc_relay_num = r;
|
|
} else {
|
|
server.send(400, "application/json", "{\"error\":\"relay must be 1-4\"}");
|
|
return;
|
|
}
|
|
}
|
|
if (server.hasArg("pulse_ms")) {
|
|
long p = server.arg("pulse_ms").toInt();
|
|
if (p >= 100 && p <= 60000) {
|
|
nfc_pulse_ms = (unsigned long)p;
|
|
} else {
|
|
server.send(400, "application/json", "{\"error\":\"pulse_ms range: 100-60000\"}");
|
|
return;
|
|
}
|
|
}
|
|
Serial.printf("NFC config: auth='%s' relay=%d pulse=%lu ms\n",
|
|
nfc_auth_uid, nfc_relay_num, nfc_pulse_ms);
|
|
String json = "{\"status\":\"ok\","
|
|
"\"auth_uid\":\"" + String(nfc_auth_uid) + "\","
|
|
"\"relay_num\":" + String(nfc_relay_num) + ","
|
|
"\"pulse_ms\":" + String(nfc_pulse_ms) + "}";
|
|
server.send(200, "application/json", json);
|
|
}
|
|
|
|
// ============================================
|
|
// Debug endpoint GET /debug
|
|
// Returns plain-text system info for diagnosing
|
|
// connectivity without needing a browser.
|
|
// ============================================
|
|
|
|
void handleDebug() {
|
|
if (!requireAuth()) return;
|
|
|
|
String out = "=== ESP32-C6 Debug ===\n";
|
|
out += "Uptime: " + String(millis() / 1000) + " s\n";
|
|
out += "Free heap: " + String(ESP.getFreeHeap()) + " bytes\n";
|
|
out += "WiFi status: ";
|
|
switch (WiFi.status()) {
|
|
case WL_CONNECTED: out += "CONNECTED\n"; break;
|
|
case WL_NO_SSID_AVAIL: out += "NO SSID\n"; break;
|
|
case WL_CONNECT_FAILED: out += "FAILED\n"; break;
|
|
case WL_DISCONNECTED: out += "DISCONNECTED\n"; break;
|
|
default: out += String(WiFi.status()) + "\n";
|
|
}
|
|
out += "IP: " + WiFi.localIP().toString() + "\n";
|
|
out += "SSID: " + WiFi.SSID() + "\n";
|
|
out += "RSSI: " + String(WiFi.RSSI()) + " dBm\n";
|
|
out += "MAC: " + WiFi.macAddress() + "\n";
|
|
out += "\n";
|
|
out += "NFC init: " + String(nfc_initialized ? "YES" : "NO") + "\n";
|
|
out += "NFC last UID:" + String(nfc_last_uid.length() > 0 ? nfc_last_uid : "(none)") + "\n";
|
|
out += "NFC state: " + String(nfc_access_state) + "\n";
|
|
out += "NFC relay: " + String(nfc_relay_num) + "\n";
|
|
out += "NFC auth: " + String(strlen(nfc_auth_uid) > 0 ? nfc_auth_uid : "(any)") + "\n";
|
|
out += "\n";
|
|
out += "Relay states: R1=" + String(relay1_state) + " R2=" + String(relay2_state)
|
|
+ " R3=" + String(relay3_state) + " R4=" + String(relay4_state) + "\n";
|
|
server.send(200, "text/plain", out);
|
|
}
|