simple wifi
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82
WiFiProv/WiFiProv.ino
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82
WiFiProv/WiFiProv.ino
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/*
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Please read README.md file in this folder, or on the web:
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https://github.com/espressif/arduino-esp32/tree/master/libraries/WiFiProv/examples/WiFiProv
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Note: This sketch takes up a lot of space for the app and may not be able to flash with default setting on some chips.
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If you see Error like this: "Sketch too big"
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In Arduino IDE go to: Tools > Partition scheme > chose anything that has more than 1.4MB APP
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- for example "No OTA (2MB APP/2MB SPIFFS)"
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*/
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#include "sdkconfig.h"
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#if CONFIG_ESP_WIFI_REMOTE_ENABLED
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#error "WiFiProv is only supported in SoCs with native Wi-Fi support"
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#endif
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#include "WiFiProv.h"
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#include "WiFi.h"
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// #define USE_SOFT_AP // Uncomment if you want to enforce using the Soft AP method instead of BLE
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const char *pop = "abcd1234"; // Proof of possession - otherwise called a PIN - string provided by the device, entered by the user in the phone app
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const char *service_name = "PROV_123"; // Name of your device (the Espressif apps expects by default device name starting with "Prov_")
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const char *service_key = NULL; // Password used for SofAP method (NULL = no password needed)
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bool reset_provisioned = true; // When true the library will automatically delete previously provisioned data.
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// WARNING: SysProvEvent is called from a separate FreeRTOS task (thread)!
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void SysProvEvent(arduino_event_t *sys_event) {
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switch (sys_event->event_id) {
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case ARDUINO_EVENT_WIFI_STA_GOT_IP:
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Serial.print("\nConnected IP address : ");
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Serial.println(IPAddress(sys_event->event_info.got_ip.ip_info.ip.addr));
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break;
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case ARDUINO_EVENT_WIFI_STA_DISCONNECTED: Serial.println("\nDisconnected. Connecting to the AP again... "); break;
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case ARDUINO_EVENT_PROV_START: Serial.println("\nProvisioning started\nGive Credentials of your access point using smartphone app"); break;
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case ARDUINO_EVENT_PROV_CRED_RECV:
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{
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Serial.println("\nReceived Wi-Fi credentials");
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Serial.print("\tSSID : ");
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Serial.println((const char *)sys_event->event_info.prov_cred_recv.ssid);
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Serial.print("\tPassword : ");
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Serial.println((char const *)sys_event->event_info.prov_cred_recv.password);
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break;
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}
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case ARDUINO_EVENT_PROV_CRED_FAIL:
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{
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Serial.println("\nProvisioning failed!\nPlease reset to factory and retry provisioning\n");
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if (sys_event->event_info.prov_fail_reason == NETWORK_PROV_WIFI_STA_AUTH_ERROR) {
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Serial.println("\nWi-Fi AP password incorrect");
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} else {
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Serial.println("\nWi-Fi AP not found....Add API \" nvs_flash_erase() \" before beginProvision()");
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}
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break;
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}
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case ARDUINO_EVENT_PROV_CRED_SUCCESS: Serial.println("\nProvisioning Successful"); break;
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case ARDUINO_EVENT_PROV_END: Serial.println("\nProvisioning Ends"); break;
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default: break;
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}
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}
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void setup() {
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Serial.begin(115200);
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WiFi.begin(); // no SSID/PWD - get it from the Provisioning APP or from NVS (last successful connection)
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WiFi.onEvent(SysProvEvent);
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// BLE Provisioning using the ESP SoftAP Prov works fine for any BLE SoC, including ESP32, ESP32S3 and ESP32C3.
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#if CONFIG_BLUEDROID_ENABLED && !defined(USE_SOFT_AP)
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Serial.println("Begin Provisioning using BLE");
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// Sample uuid that user can pass during provisioning using BLE
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uint8_t uuid[16] = {0xb4, 0xdf, 0x5a, 0x1c, 0x3f, 0x6b, 0xf4, 0xbf, 0xea, 0x4a, 0x82, 0x03, 0x04, 0x90, 0x1a, 0x02};
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WiFiProv.beginProvision(
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NETWORK_PROV_SCHEME_BLE, NETWORK_PROV_SCHEME_HANDLER_FREE_BLE, NETWORK_PROV_SECURITY_1, pop, service_name, service_key, uuid, reset_provisioned
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);
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log_d("ble qr");
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WiFiProv.printQR(service_name, pop, "ble");
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#else
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Serial.println("Begin Provisioning using Soft AP");
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WiFiProv.beginProvision(NETWORK_PROV_SCHEME_SOFTAP, NETWORK_PROV_SCHEME_HANDLER_NONE, NETWORK_PROV_SECURITY_1, pop, service_name, service_key);
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log_d("wifi qr");
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WiFiProv.printQR(service_name, pop, "softap");
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#endif
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}
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void loop() {}
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92
simple-wifi.
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92
simple-wifi.
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#include <WiFi.h>
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#include <WebServer.h>
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#include <EEPROM.h>
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const char* ap_ssid = "ESP32_Config";
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const char* ap_password = "12345678";
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WebServer server(80);
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String ssid = "";
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String password = "";
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String static_ip = "";
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String hostname = "";
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void setup() {
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Serial.begin(115200);
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EEPROM.begin(512);
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// Load saved settings
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loadSettings();
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// If settings are not set, enter AP mode
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if (ssid == "" || password == "") {
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WiFi.softAP(ap_ssid, ap_password);
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Serial.println("AP Mode: Connect to the network and configure settings.");
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server.on("/", handleRoot);
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server.on("/save", handleSave);
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server.begin();
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} else {
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// Connect to WiFi in client mode
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WiFi.mode(WIFI_STA);
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WiFi.config(IPAddress(static_ip.c_str()), IPAddress(192, 168, 1, 1), IPAddress(255, 255, 255, 0));
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WiFi.begin(ssid.c_str(), password.c_str());
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WiFi.setHostname(hostname.c_str());
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while (WiFi.status() != WL_CONNECTED) {
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delay(1000);
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Serial.println("Connecting to WiFi...");
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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("MAC Address: ");
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Serial.println(WiFi.macAddress());
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}
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}
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void loop() {
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if (WiFi.getMode() == WIFI_AP) {
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server.handleClient();
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}
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}
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void handleRoot() {
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String html = "<form action='/save' method='POST'>";
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html += "SSID: <input type='text' name='ssid'><br>";
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html += "Password: <input type='text' name='password'><br>";
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html += "Static IP: <input type='text' name='static_ip'><br>";
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html += "Hostname: <input type='text' name='hostname'><br>";
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html += "<input type='submit' value='Save'>";
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html += "</form>";
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server.send(200, "text/html", html);
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}
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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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hostname = server.arg("hostname");
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saveSettings();
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server.send(200, "text/html", "Settings saved. Rebooting...");
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delay(2000);
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ESP.restart();
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}
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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, hostname);
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EEPROM.commit();
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}
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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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hostname = EEPROM.readString(96);
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}
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