说明
使用 SSL 协议连接到构造函数中指定的 IP 地址和端口。当服务器仅提供 HTTPS 连接时,需要方法 connectSSL。在使用此方法之前,需要将服务器使用的 SSL 证书加载到 Arduino WiFi 模块中。这些板已经加载了证书,应该可以使用了。要更改或上传新的 SSL 证书,您应该遵循将提供的程序。 connectSSL() 还支持在使用域名(例如:google.com)时进行 DNS 查找。
用法
client.connectSSL(ip, port)
client.connectSSL(URL, port)
参数
- ip:客户端要连接的IP地址(4字节数组)
- URL:客户端将连接的域名(字符串,例如:“arduino.cc”)
- 端口:客户端将连接到的端口(int)
返回
如果连接成功则返回 true,否则返回 false。
示例
…
/*
Web client
This sketch connects to a website through a SSL connection
using a WiFi board.
This example is written for a network using WPA encryption. For
WEP or WPA, change the Wifi.begin() call accordingly.
Circuit:
* WiFiNINA supported board
created 13 July 2010
by dlf (Metodo2 srl)
modified 31 May 2012
by Tom Igoe
*/
#include <SPI.h>
#include <WiFiNINA.h>
char ssid[] = "yourNetwork"; // your network SSID (name)
char pass[] = "secretPassword"; // your network password (use for WPA, or use as key for WEP)
int keyIndex = 0; // your network key Index number (needed only for WEP)
int status = WL_IDLE_STATUS;
char server[] = "arduino.tips"; // name address for Arduino (using DNS)
// Initialize the Wifi client library
// with the IP address and port of the server
// that you want to connect to (port 80 is default for HTTP):
WiFiClient client;
void setup() {
//Initialize serial and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
// attempt to connect to Wifi network:
while (status != WL_CONNECTED) {
Serial.print("Attempting to connect to SSID: ");
Serial.println(ssid);
// Connect to WPA/WPA2 network. Change this line if using open or WEP network:
status = WiFi.begin(ssid, pass);
// wait 10 seconds for connection:
delay(10000);
}
Serial.println("Connected to wifi");
Serial.println("\nStarting connection to server...");
// if you get a connection, report back via serial:
if (client.connectSSL(server, 443)) {
Serial.println("Connected to server");
// Make a HTTP request:
client.println("GET /asciilogo.txt HTTP/1.1");
client.println("Host: arduino.tips");
client.println("Connection: close");
client.println();
Serial.println("Request sent");
}
}
void loop() {
// if there are incoming bytes available
// from the server, read them and print them:
while (client.available()) {
char c = client.read();
Serial.write(c);
}
// if the server's disconnected, stop the client:
if (!client.connected()) {
Serial.println();
Serial.println("disconnecting from server.");
client.stop();
// do nothing forevermore:
while (true);
}
}
…
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注:本文由纯净天空筛选整理自arduino.cc大神的英文原创作品 WiFiNINA - client.connectSSL()。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。