Merge remote-tracking branch 'adafruit/master' into cp_logging

Author: dastels

Adafruit_AD8495_Guide/AD8495_Temperature.ino

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+#define TC_PIN A0          // set to ADC pin used
+#define AREF 3.3           // set to AREF, typically board voltage like 3.3 or 5.0
+#define ADC_RESOLUTION 10  // set to ADC bit resolution, 10 is default
+
+float reading, voltage, temperature;
+
+float get_voltage(int raw_adc) {
+  return raw_adc * (AREF / (pow(2, ADC_RESOLUTION)-1));  
+}
+
+float get_temperature(float voltage) {
+  return (voltage - 1.25) / 0.005;
+}
+
+void setup() {
+  Serial.begin(9600);
+}
+
+void loop() {
+  reading = analogRead(TC_PIN);
+  voltage = get_voltage(reading);
+  temperature = get_temperature(voltage);
+  Serial.print("Temperature = ");
+  Serial.print(temperature);
+  Serial.println(" C");
+  delay(500);
+}

Adafruit_AD8495_Guide/AD8495_Temperature.py

@@ -0,0 +1,16 @@
+import time
+import analogio
+import board
+
+ad8495 = analogio.AnalogIn(board.A1)
+
+
+def get_voltage(pin):
+    return (pin.value * 3.3) / 65536
+
+
+while True:
+    temperature = (get_voltage(ad8495) - 1.25) / 0.005
+    print(temperature)
+    print(get_voltage(ad8495))
+    time.sleep(0.5)

Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/Metro M4 WiFi ESP32 Passthru.UF2

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+/*
+  SerialNINAPassthrough - Use esptool to flash the ESP32 module
+  For use with PyPortal, Metro M4 WiFi...
+
+  Copyright (c) 2018 Arduino SA. All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <Adafruit_NeoPixel.h>
+
+unsigned long baud = 115200;
+
+Adafruit_NeoPixel pixel = Adafruit_NeoPixel(1, 2, NEO_GRB + NEO_KHZ800);
+
+
+void setup() {
+  Serial.begin(baud);
+  pixel.begin();
+  pixel.setPixelColor(0, 10, 10, 10); pixel.show();
+
+  while (!Serial);
+  pixel.setPixelColor(0, 50, 50, 50); pixel.show();
+
+  delay(100);
+  SerialNina.begin(baud);
+
+  pinMode(13, OUTPUT);
+  pinMode(NINA_GPIO0, OUTPUT);
+  pinMode(NINA_RESETN, OUTPUT);
+  
+  // manually put the ESP32 in upload mode
+  digitalWrite(NINA_GPIO0, LOW);
+
+  digitalWrite(NINA_RESETN, LOW);
+  delay(100);
+  digitalWrite(NINA_RESETN, HIGH);
+  pixel.setPixelColor(0, 20, 20, 0); pixel.show();
+  delay(100);
+}
+
+void loop() {
+  while (Serial.available()) {
+    pixel.setPixelColor(0, 10, 0, 0); pixel.show();
+    SerialESP32.write(Serial.read());
+  }
+
+  while (SerialNina.available()) {
+    pixel.setPixelColor(0, 0, 0, 10); pixel.show();
+    Serial.write(SerialNina.read());
+  }
+}

Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/PyPortal ESP32 Passthru.UF2

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+/*
+This example creates a client object that connects and transfers
+data using always SSL.
+
+It is compatible with the methods normally related to plain
+connections, like client.connect(host, port).
+
+Written by Arturo Guadalupi
+last revision November 2015
+
+*/
+
+#include <SPI.h>
+#include <WiFiNINA.h>
+
+#include "arduino_secrets.h" 
+///////please enter your sensitive data in the Secret tab/arduino_secrets.h
+char ssid[] = SECRET_SSID;        // your network SSID (name)
+char pass[] = SECRET_PASS;    // 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;
+// if you don't want to use DNS (and reduce your sketch size)
+// use the numeric IP instead of the name for the server:
+//IPAddress server(74,125,232,128);  // numeric IP for Google (no DNS)
+
+//#define SERVER "www.google.com"    // name address for Google (using DNS)
+//#define PATH   "/search?q=arduino"
+
+#define SERVER "cdn.syndication.twimg.com"
+#define PATH   "/widgets/followbutton/info.json?screen_names=adafruit"
+
+//#define SERVER "img.shields.io"
+//#define PATH "/discord/327254708534116352.svg"
+
+//#define SERVER "cdn.thingiverse.com"
+//#define PATH "/renders/77/0c/f0/f6/2e/dbc6c3056540bdf03757ecc90fbe4b5f_preview_featured.jpg"
+
+
+// Initialize the SSL client library
+// with the IP address and port of the server
+// that you want to connect to (port 443 is default for HTTPS):
+WiFiSSLClient client;
+
+void setup() {
+  //Initialize serial and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  // check for the WiFi module:
+  while (WiFi.status() == WL_NO_MODULE) {
+    Serial.println("Communication with WiFi module failed!");
+    delay(1000);
+  }
+
+  String fv = WiFi.firmwareVersion();
+  if (fv < "1.0.0") {
+    Serial.println("Please upgrade the firmware");
+  }
+
+  // attempt to connect to Wifi network:
+  Serial.print("Attempting to connect to SSID: ");
+  Serial.println(ssid);
+  // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
+  do {
+    status = WiFi.begin(ssid, pass);
+    delay(100); // wait until connected
+  } while (status != WL_CONNECTED);
+  Serial.println("Connected to wifi");
+  printWifiStatus();
+
+  Serial.println("\nStarting connection to server...");
+  // if you get a connection, report back via serial:
+  if (client.connect(SERVER, 443)) {
+    Serial.println("connected to server");
+    // Make a HTTP request:
+    client.println("GET " PATH " HTTP/1.1");
+    client.println("Host: " SERVER);
+    client.println("Connection: close");
+    client.println();
+  }
+}
+
+uint32_t bytes = 0;
+
+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);
+    bytes++;
+  }
+
+  // if the server's disconnected, stop the client:
+  if (!client.connected()) {
+    Serial.println();
+    Serial.println("disconnecting from server.");
+    client.stop();
+    Serial.print("Read "); Serial.print(bytes); Serial.println(" bytes");
+
+    // do nothing forevermore:
+    while (true);
+  }
+}
+
+
+void printWifiStatus() {
+  // print the SSID of the network you're attached to:
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print your board's IP address:
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+
+  // print the received signal strength:
+  long rssi = WiFi.RSSI();
+  Serial.print("signal strength (RSSI):");
+  Serial.print(rssi);
+  Serial.println(" dBm");
+}

Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/SerialESPPassthrough.ino

@@ -0,0 +1,2 @@
+#define SECRET_SSID "ssid name"
+#define SECRET_PASS "ssid password"

Adafruit_ESP32_Arduino_Demos/WiFiSSLClient/WiFiSSLClient.ino

@@ -0,0 +1,137 @@
+
+/*
+  Web client
+
+ This sketch connects to a website (wifitest.adafruit.com/testwifi/index.html)
+ using the WiFi module.
+
+ This example is written for a network using WPA encryption. For
+ WEP or WPA, change the Wifi.begin() call accordingly.
+
+ This example is written for a network using WPA encryption. For
+ WEP or WPA, change the Wifi.begin() call accordingly.
+
+ Circuit:
+ * Board with NINA module (Arduino MKR WiFi 1010, MKR VIDOR 4000 and UNO WiFi Rev.2)
+
+ created 13 July 2010
+ by dlf (Metodo2 srl)
+ modified 31 May 2012
+ by Tom Igoe
+ */
+
+
+#include <SPI.h>
+#include <WiFiNINA.h>
+
+// if the wifi definition isnt in the board variant
+#if !defined(SPIWIFI_SS)
+  // Don't change the names of these #define's! they match the variant ones
+  #define SPIWIFI_SS       10
+  #define SPIWIFI_ACK       7
+  #define ESP32_RESETN      5
+  #define ESP32_GPIO0      -1
+  #define SPIWIFI          SPI
+#endif
+
+
+#include "arduino_secrets.h" 
+///////please enter your sensitive data in the Secret tab/arduino_secrets.h
+char ssid[] = SECRET_SSID;        // your network SSID (name)
+char pass[] = SECRET_PASS;    // 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;
+// if you don't want to use DNS (and reduce your sketch size)
+// use the numeric IP instead of the name for the server:
+//IPAddress server(74,125,232,128);  // numeric IP for Google (no DNS)
+
+char server[] = "wifitest.adafruit.com";    // name address for adafruit test
+char path[]   = "/testwifi/index.html";
+
+// Initialize the Ethernet 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 native USB port only
+  }
+
+  // check for the WiFi module:
+  WiFi.setPins(SPIWIFI_SS, SPIWIFI_ACK, ESP32_RESETN, ESP32_GPIO0, &SPIWIFI);
+  while (WiFi.status() == WL_NO_MODULE) {
+    Serial.println("Communication with WiFi module failed!");
+    // don't continue
+    delay(1000);
+  }
+
+  String fv = WiFi.firmwareVersion();
+  if (fv < "1.0.0") {
+    Serial.println("Please upgrade the firmware");
+  }
+  Serial.print("Found firmware "); Serial.println(fv);
+
+  // attempt to connect to Wifi network:
+  Serial.print("Attempting to connect to SSID: ");
+  Serial.println(ssid);
+  // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
+  do {
+    status = WiFi.begin(ssid, pass);
+    delay(100);     // wait until connection is ready!
+  } while (status != WL_CONNECTED);
+  
+  Serial.println("Connected to wifi");
+  printWifiStatus();
+
+  Serial.println("\nStarting connection to server...");
+  // if you get a connection, report back via serial:
+  if (client.connect(server, 80)) {
+    Serial.println("connected to server");
+    // Make a HTTP request:
+    client.print("GET "); client.print(path); client.println(" HTTP/1.1");
+    client.print("Host: "); client.println(server);
+    client.println("Connection: close");
+    client.println();
+  }
+}
+
+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);
+  }
+}
+
+
+void printWifiStatus() {
+  // print the SSID of the network you're attached to:
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print your board's IP address:
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+
+  // print the received signal strength:
+  long rssi = WiFi.RSSI();
+  Serial.print("signal strength (RSSI):");
+  Serial.print(rssi);
+  Serial.println(" dBm");
+}

Adafruit_ESP32_Arduino_Demos/WiFiSSLClient/arduino_secrets.h

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

Adafruit_ESP32_Arduino_Demos/WiFiWebClient/WiFiWebClient.ino

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