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Merge remote-tracking branch 'adafruit/master'
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‎Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/Metro M4 WiFi ESP32 Passthru.UF2‎

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‎Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/PyPortal ESP32 Passthru.UF2‎

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‎Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/SerialESPPassthrough.ino‎

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/*
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SerialNINAPassthrough - Use esptool to flash the ESP32 module
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For use with PyPortal, Metro M4 WiFi...
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Copyright (c) 2018 Arduino SA. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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unsigned long baud = 115200;
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void setup() {
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Serial.begin(baud);
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SerialNina.begin(baud);
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pinMode(13, OUTPUT);
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pinMode(ESP32_GPIO0, OUTPUT);
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pinMode(ESP32_RESETN, OUTPUT);
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// manually put the ESP32 in upload mode
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digitalWrite(ESP32_GPIO0, LOW);
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digitalWrite(ESP32_RESETN, LOW);
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delay(100);
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digitalWrite(ESP32_RESETN, HIGH);
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}
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void loop() {
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if (Serial.available()) {
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digitalWrite(13, HIGH);
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SerialESP32.write(Serial.read());
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digitalWrite(13, LOW);
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}
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if (SerialESP32.available()) {
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Serial.write(SerialESP32.read());
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}
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}

‎Adafruit_ESP32_Arduino_Demos/WiFiSSLClient/WiFiSSLClient.ino‎

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/*
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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 "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 "www.google.com" // name address for Google (using DNS)
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//#define PATH "/search?q=arduino"
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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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//#define SERVER "img.shields.io"
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//#define PATH "/discord/327254708534116352.svg"
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//#define SERVER "cdn.thingiverse.com"
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//#define PATH "/renders/77/0c/f0/f6/2e/dbc6c3056540bdf03757ecc90fbe4b5f_preview_featured.jpg"
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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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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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}

‎Adafruit_ESP32_Arduino_Demos/WiFiSSLClient/arduino_secrets.h‎

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#define SECRET_SSID "ssid name"
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#define SECRET_PASS "ssid password"

‎Adafruit_ESP32_Arduino_Demos/WiFiWebClient/WiFiWebClient.ino‎

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/*
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Web client
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This sketch connects to a website (wifitest.adafruit.com/testwifi/index.html)
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using the WiFi module.
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This example is written for a network using WPA encryption. For
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WEP or WPA, change the Wifi.begin() call accordingly.
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This example is written for a network using WPA encryption. For
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WEP or WPA, change the Wifi.begin() call accordingly.
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Circuit:
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* Board with NINA module (Arduino MKR WiFi 1010, MKR VIDOR 4000 and UNO WiFi Rev.2)
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created 13 July 2010
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by dlf (Metodo2 srl)
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modified 31 May 2012
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by Tom Igoe
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*/
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#include <SPI.h>
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#include <WiFiNINA.h>
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// if the wifi definition isnt in the board variant
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#if !defined(SPIWIFI_SS)
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// Don't change the names of these #define's! they match the variant ones
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#define SPIWIFI_SS 10
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#define SPIWIFI_ACK 7
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#define ESP32_RESETN 5
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#define ESP32_GPIO0 -1
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#define SPIWIFI SPI
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#endif
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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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char server[] = "wifitest.adafruit.com"; // name address for adafruit test
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char path[] = "/testwifi/index.html";
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// Initialize the Ethernet 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 80 is default for HTTP):
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WiFiClient 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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// don't continue
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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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Serial.print("Found firmware "); Serial.println(fv);
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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 connection is ready!
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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, 80)) {
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Serial.println("connected to server");
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// Make a HTTP request:
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client.print("GET "); client.print(path); client.println(" HTTP/1.1");
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client.print("Host: "); client.println(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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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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}
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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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// 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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}

‎Adafruit_ESP32_Arduino_Demos/WiFiWebClient/arduino_secrets.h‎

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#define SECRET_SSID "your wifi ssid"
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#define SECRET_PASS "your wifi password"

‎Adafruit_ESP32_Arduino_Demos/streaming_mp3_player/arduino_secrets.h‎

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#define SECRET_SSID "ssid"
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#define SECRET_PASS "password"

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