anonChatCounter.ino

// Adafruit IO RGB LED Output Example
// Tutorial Link: https://learn.adafruit.com/adafruit-io-basics-color
//
// Adafruit invests time and resources providing this open source code.
// Please support Adafruit and open source hardware by purchasing
// products from Adafruit!
//
// Written by Todd Treece for Adafruit Industries
// Copyright (c) 2016-2017 Adafruit Industries
// Licensed under the MIT license.
//
// All text above must be included in any redistribution.

/************************** Configuration ***********************************/

// edit the config.h tab and enter your Adafruit IO credentials
// and any additional configuration needed for WiFi, cellular,
// or ethernet clients.
#include "config.h"

/************************ Example Starts Here *******************************/

#include <SPI.h>
#include <Wire.h>
#include <ESP8266WiFi.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Fonts/FreeMono12pt7b.h>


Adafruit_SSD1306 display = Adafruit_SSD1306();

#if defined(ESP8266)
  #define BUTTON_A 0
  #define BUTTON_B 16
  #define BUTTON_C 2
  #define LED      0
#elif defined(ESP32)
  #define BUTTON_A 15
  #define BUTTON_B 32
  #define BUTTON_C 14
  #define LED      13
#elif defined(ARDUINO_STM32F2_FEATHER)
  #define BUTTON_A PA15
  #define BUTTON_B PC7
  #define BUTTON_C PC5
  #define LED PB5
#elif defined(TEENSYDUINO)
  #define BUTTON_A 4
  #define BUTTON_B 3
  #define BUTTON_C 8
  #define LED 13
#elif defined(ARDUINO_FEATHER52)
  #define BUTTON_A 31
  #define BUTTON_B 30
  #define BUTTON_C 27
  #define LED 17
#else // 32u4, M0, and 328p
  #define BUTTON_A 9
  #define BUTTON_B 6
  #define BUTTON_C 5
  #define LED      13
#endif

#if (SSD1306_LCDHEIGHT != 32)
 #error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif

AdafruitIO_Feed *counter = io.feed("anonchatcounter");

void setup() {  
  Serial.begin(115200);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  Serial.println("OLED FeatherWing test");
  Serial.println("OLED begun");
  display.display();
  delay(1000);

  // Clear the buffer.
  display.clearDisplay();
  display.display();

    // text display tests
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);

  // wait for serial monitor to open
  while(! Serial);

    /************************* INITIALIZE WIFI */
 /*Serial.println("Connecting to Wifi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");  Serial.println(WiFi.localIP());
*/
  // connect to io.adafruit.com
  Serial.print("Connecting to Adafruit IO");
  display.print("Connecting to AIO");
  display.display();
  io.connect();
  
  counter->onMessage(handleMessage);
  // wait for a connection
  while(io.status() < AIO_CONNECTED) {
    Serial.print(io.status());
    delay(100);
  }

  // we are connected
  Serial.println();
  Serial.println(io.statusText());
  display.println(io.statusText());
  
  // Show image buffer on the display hardware.
  // Since the buffer is intialized with an Adafruit splashscreen
  // internally, this will display the splashscreen.

  // Clear the buffer.
  display.clearDisplay();
  display.display();
  
  Serial.println("IO test");

  pinMode(BUTTON_A, INPUT_PULLUP);
  pinMode(BUTTON_B, INPUT_PULLUP);
  pinMode(BUTTON_C, INPUT_PULLUP);
}


void loop() {
  io.run();
}

void handleMessage(AdafruitIO_Data *data) {
  display.setTextSize(2);
  Serial.print("received <- ");
  Serial.println(data->value());
  display.clearDisplay();
  display.display();
  display.setCursor(0,10);
  display.print(data->value());
  display.print("-Online");
  display.display();
}