ARDUINO ESP32实现自动重连WIFI和TCPSERVER
时间: 2024-03-18 08:42:39 浏览: 116
ARDUINO-ESP32
好的,针对您的问题,可以通过以下步骤实现ARDUINO ESP32自动重连WIFI和TCPSERVER:
1. 首先,需要在代码中定义WIFI和TCPSERVER的参数,包括SSID、密码、服务器IP和端口号。
例如:
```
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
const char* serverIP = "your_SERVER_IP";
int serverPort = your_SERVER_PORT;
```
2. 接下来,在setup()函数中,需要连接WIFI并建立TCP连接:
例如:
```
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("WiFi connected");
WiFiClient client;
while (!client.connect(serverIP, serverPort)) {
delay(1000);
Serial.println("Connecting to server...");
}
Serial.println("Server connected");
```
3. 为了实现自动重连,需要在loop()函数中添加重连逻辑。首先,需要检查WIFI连接状态和TCP连接状态:
例如:
```
if (WiFi.status() != WL_CONNECTED) {
Serial.println("WiFi disconnected");
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Reconnecting to WiFi...");
}
Serial.println("WiFi reconnected");
}
if (!client.connected()) {
Serial.println("Server disconnected");
while (!client.connect(serverIP, serverPort)) {
delay(1000);
Serial.println("Reconnecting to server...");
}
Serial.println("Server reconnected");
}
```
4. 最后,为了避免频繁重连造成的资源浪费,可以添加一定的时间间隔限制,例如每10秒钟检查一次连接状态:
例如:
```
unsigned long lastCheckTime = 0;
unsigned long checkInterval = 10000;
void loop() {
if (millis() - lastCheckTime > checkInterval) {
lastCheckTime = millis();
// Check connection status and reconnect if necessary
// ...
}
// Other code
// ...
}
```
通过以上步骤,即可实现ARDUINO ESP32自动重连WIFI和TCPSERVER的功能。
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