arduino环境下 esp32每5秒连一次wifi,3次失败后等待60秒再重复每五秒重连动作
时间: 2024-03-18 10:42:44 浏览: 19
可以使用以下代码实现每5秒尝试连接WiFi,连接失败后等待60秒再重复连接的功能:
```c++
#include <WiFi.h>
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
int failedAttempts = 0;
void setup() {
Serial.begin(9600);
delay(1000);
connectToWiFi();
}
void loop() {
if (WiFi.status() != WL_CONNECTED) {
failedAttempts++;
Serial.println("Failed to connect to WiFi");
if (failedAttempts >= 3) {
Serial.println("Waiting for 60 seconds before retrying...");
delay(60000);
failedAttempts = 0;
}
connectToWiFi();
}
delay(5000);
}
void connectToWiFi() {
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
int attempts = 0;
while (WiFi.status() != WL_CONNECTED && attempts < 10) {
delay(1000);
Serial.print(".");
attempts++;
}
if (WiFi.status() == WL_CONNECTED) {
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
failedAttempts = 0;
} else {
Serial.println("Failed to connect to WiFi after 10 attempts");
}
}
```
其中,connectToWiFi()函数用于连接WiFi,当连接失败时会尝试10次连接,每次间隔1秒。如果连接成功,则将failedAttempts重置为0;如果连接失败,则会增加failedAttempts的值。当failedAttempts大于等于3时,会等待60秒再重试连接。主循环中,每5秒会检查一次WiFi连接状态。如果连接失败,则会调用connectToWiFi()函数尝试重连WiFi。