116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/*
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This example creates a client object that connects and transfers
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data using always SSL.
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It is compatible with the methods normally related to plain
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connections, like client.connect(host, port).
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Written by Arturo Guadalupi
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last revision November 2015
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*/
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#include <SPI.h>
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#include <WiFiNINA.h>
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#include "pin_config.h" // Configure the pins used for the ESP32 connection
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#include "arduino_secrets.h"
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///////please enter your sensitive data in the Secret tab/arduino_secrets.h
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char ssid[] = SECRET_SSID; // your network SSID (name)
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char pass[] = SECRET_PASS; // your network password (use for WPA, or use as key for WEP)
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int keyIndex = 0; // your network key Index number (needed only for WEP)
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int status = WL_IDLE_STATUS;
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// if you don't want to use DNS (and reduce your sketch size)
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// use the numeric IP instead of the name for the server:
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//IPAddress server(74,125,232,128); // numeric IP for Google (no DNS)
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#define SERVER "cdn.syndication.twimg.com"
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#define PATH "/widgets/followbutton/info.json?screen_names=adafruit"
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// Initialize the SSL client library
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// with the IP address and port of the server
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// that you want to connect to (port 443 is default for HTTPS):
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WiFiSSLClient client;
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void setup() {
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//Initialize serial and wait for port to open:
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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// check for the WiFi module:
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WiFi.setPins(SPIWIFI_SS, SPIWIFI_ACK, ESP32_RESETN, ESP32_GPIO0, &SPIWIFI);
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while (WiFi.status() == WL_NO_MODULE) {
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Serial.println("Communication with WiFi module failed!");
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delay(1000);
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}
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String fv = WiFi.firmwareVersion();
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if (fv < "1.0.0") {
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Serial.println("Please upgrade the firmware");
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}
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// attempt to connect to Wifi network:
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Serial.print("Attempting to connect to SSID: ");
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Serial.println(ssid);
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// Connect to WPA/WPA2 network. Change this line if using open or WEP network:
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do {
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status = WiFi.begin(ssid, pass);
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delay(100); // wait until connected
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} while (status != WL_CONNECTED);
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Serial.println("Connected to wifi");
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printWifiStatus();
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Serial.println("\nStarting connection to server...");
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// if you get a connection, report back via serial:
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if (client.connect(SERVER, 443)) {
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Serial.println("connected to server");
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// Make a HTTP request:
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client.println("GET " PATH " HTTP/1.1");
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client.println("Host: " SERVER);
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client.println("Connection: close");
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client.println();
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}
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}
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uint32_t bytes = 0;
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void loop() {
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// if there are incoming bytes available
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// from the server, read them and print them:
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while (client.available()) {
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char c = client.read();
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Serial.write(c);
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bytes++;
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}
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// if the server's disconnected, stop the client:
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if (!client.connected()) {
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Serial.println();
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Serial.println("disconnecting from server.");
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client.stop();
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Serial.print("Read "); Serial.print(bytes); Serial.println(" bytes");
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// do nothing forevermore:
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while (true);
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}
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}
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void printWifiStatus() {
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your board's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("IP Address: ");
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Serial.println(ip);
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// print the received signal strength:
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long rssi = WiFi.RSSI();
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Serial.print("signal strength (RSSI):");
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Serial.print(rssi);
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Serial.println(" dBm");
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}
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