写一个ESP32配网源代码
时间: 2023-05-31 16:02:46 浏览: 69
很抱歉,作为AI语言模型,我无法提供完整的ESP32配网源代码。但是,我可以向您提供一个ESP32配网的基本思路和步骤:
1. 配置ESP32的WiFi模块,使其能够连接到AP(接入点)。
2. 当ESP32第一次启动时,它将作为一个AP(热点)运行,等待用户连接。
3. 用户连接到ESP32的AP之后,打开一个浏览器并访问预设的IP地址,然后输入网络凭据(SSID和密码)。
4. ESP32将使用这些凭据连接到用户指定的网络,并将凭据存储在非易失性存储器(NVS)中,以便在下次启动时自动连接到网络。
5. 如果ESP32没有连接到网络,则将继续运行作为AP,等待用户重新配置网络凭据。
下面是一个ESP32配网的示例代码,仅供参考:
```c
#include <WiFi.h>
#include <WiFiClient.h>
#include <WiFiAP.h>
#include <WebServer.h>
#include <DNSServer.h>
#include <EEPROM.h>
// Replace with your network credentials
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
// Create an instance of the server
WebServer server(80);
// Create an instance of the DNS server
DNSServer dnsServer;
// Create an instance of the WiFi server
WiFiServer wifiServer(80);
void setup() {
// Start serial communication
Serial.begin(9600);
// Start WiFi in AP mode
WiFi.mode(WIFI_AP);
// Set the AP network credentials
WiFi.softAP("ESP32_AP", "12345678");
// Start the DNS server
dnsServer.start(53, "*", WiFi.softAPIP());
// Start the server
server.begin();
// Initialize EEPROM
EEPROM.begin(512);
// Read network credentials from EEPROM
String ssid = "";
String password = "";
for (int i = 0; i < 32; ++i) {
ssid += char(EEPROM.read(i));
password += char(EEPROM.read(i + 32));
}
// Connect to WiFi network
WiFi.begin(ssid.c_str(), password.c_str());
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
// Print the IP address
Serial.println("WiFi connected!");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
}
void loop() {
// Handle client requests
server.handleClient();
// Handle DNS requests
dnsServer.processNextRequest();
// Check if WiFi is connected
if (WiFi.status() != WL_CONNECTED) {
// Start the WiFi server
wifiServer.begin();
// Wait for a client to connect
WiFiClient client = wifiServer.available();
if (client) {
// Read the network credentials from the client
String ssid = "";
String password = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
if (c == '\n') {
break;
}
if (c != '\r') {
ssid += c;
}
}
}
while (client.connected()) {
if (client.available()) {
char c = client.read();
if (c == '\n') {
break;
}
if (c != '\r') {
password += c;
}
}
}
// Save the network credentials to EEPROM
for (int i = 0; i < 32; ++i) {
EEPROM.write(i, ssid[i]);
EEPROM.write(i + 32, password[i]);
}
EEPROM.commit();
// Disconnect the client
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("");
client.println("<html><body>Network credentials saved.</body></html>");
client.stop();
// Restart the ESP32
ESP.restart();
}
}
}
```